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HD24/96 Technical Reference

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An example of how two HDRs can be synchronized to a VTR using video is shown below:

In this setup each of the three devices is a video slave to the master video generator. This
setup works well when digital audio is signals are NOT connected between the digital audio
devices, but will not work when the digital audio signals are connected between the devices.
The setup shown below illustrates this very common mistake.

When digital audio signals are connected between digital audio devices it is imperative that
their clocks be synchronized to a common word clock source, regardless of whether or not
video synchronization is involved.

Digital audio devices expect to receive digital audio signals within a certain “window” of time
relative to the start of the word clock signal. If it receives them outside the time window, the
data may not be read properly and you get a “pop” in your audio. Video signals do not

V i d e o / W o r d C l o c k

G e n e r a t o r

Video Slave

Video Slave

Video Slave

Blackburst

Blackburst

Blackburst

V T R

Video / Word Clock

Generator

Video Slave

Video Slave

Video Slave

Blackburst

Blackburst

Blackburst

V T R

Digital Audio

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Содержание MDR 24/96

Страница 1: ...TECHNICAL REFERENCE HDR 24 HDR 24 HDR 24 HDR 24 HDR 24 96 24 TRACK 24 BIT DIGITAL AUDIO HARD DISK RECORDER AND EDITOR ...

Страница 2: ...11 Ethernet Jack 11 Accessory Slots 11 GRAPHICAL USER INTERFACE GUI OVERVIEW 11 GUI Conventions 13 Mouse Clicking 13 Window and Dialog Box Paradigms 13 Keyboard 14 GUI Track Display and Controls 15 Project Information Display 15 Current Time Display 15 Time Bar Marker Bar Overview 15 Time Bar 16 Song Offset 16 Marker Bar and Markers 16 Track Area 16 Track Area Scrolling Conventions 17 Track View C...

Страница 3: ... Audio Files 28 Render Tracks 28 Purge Unused Files 29 Backup and Restore 30 MEDIA MANAGEMENT 31 Formatting Drives 31 Verify Drive Performance 32 Mount Refresh Drives 32 TRANSPORT OPERATION 33 Transport Controls 33 REWIND 33 FAST FWD 33 STOP 33 PLAY 34 Locate Points LOC LOC1 LOC2 LOC3 and LOC4 34 LOC Transport Locate 34 Numbered Quick Locate Points LOC 1 2 3 and 4 34 Looping LOC 1 and LOC 2 36 Loo...

Страница 4: ... Hand Tool 46 Magnifier 47 The Dive Key Z 47 Node Tool 47 Cursor Location Display 47 Nudge Tools 47 Nudge Resolution 47 Nudge arrows 47 Selection Start left Selection End right Selection center boxes 48 Scrub Wheel 48 Edit Clipboard 48 History List 49 Cut 49 Delete 49 Copy 49 Paste 50 Paste Repeat 50 Splice Mode 50 Snap and Snap to Functions 51 Snap Enable 51 Snap to Grid 51 Snap to Cues 52 REGION...

Страница 5: ...N 60 Project Files Folders 60 System Files Folders 61 Project Files Folders Heirarchy 61 APPENDIX A MENU TABLES 63 GUI Menus 63 File 63 Edit 65 Options 67 Transport 68 Playlist 69 Windows 69 Setup from the Windows menu 69 Front Panel Setup and Utility Buttons and Menus 73 DELETE LAST 73 TRACK OPTIONS 73 PROJECT FILES MENU 74 BACKUP 75 DISK UTIL 76 SYSTEM 77 DIGITAL I O 77 SYNC Options 78 APPENDIX ...

Страница 6: ...ssary 88 TCP IP 88 FTP 88 IP Address 89 Hub 89 10BaseT vs 100BaseT 89 APPENDIX D SYNCHRONIZATION 90 What Makes the HDR24 96 and Other Devices Like it Tick 90 How can you Sync to Word Clock and Time Code at the Same Time 92 Jam Sync 92 Trigger Sync 93 More about Time Code 93 Video Synchronization 95 Working with Time Code 97 A Word or Three about Pull Ups and Pull Downs 99 Safe Synchronization 101 ...

Страница 7: ...and menus Keep it handy while you re learning your way around Here you ll find more detailed information on controls indicators and functions files and file management the complexities of clocking synchronization and interfacing unique to the world of digital recording Here you ll find some shortcuts to frequently and infrequently used features If you haven t already done so break open the Quick S...

Страница 8: ...s immediately below it control the computer that s at the heart of the HDR24 96 Once you understand the functions you ll find them to be intuitive Originally we plopped all of the controls onto the HDR front panel and found that after a while it was entirely filled with buttons So we decided to lose a few along the way and hide the ones that were used less frequently as often as you visited Aunt S...

Страница 9: ...nding on the menu and how many layers it has Exit or Cancel may bring you back to a previous menu or all the way back to the top You can also leave the menu by pressing the button that got you there its red LED will be on to remind you where you are or by pressing the left button when the symbol isn t displayed You need not completely exit one menu before moving to another just press another menu ...

Страница 10: ...es of display inactivity To re activate it press one of the large buttons or any menu button Project Information Display The following information is displayed on the HDR hardware front panel display after boot up and whenever any front panel operation is exited PROJECT Name of the currently loaded project PLAYLIST The currently loaded playlist version DRIVE The disk drive containing the Project I...

Страница 11: ...hat the same connector type is used for the optional remote controllers for the HDR24 96 Don t mistake these two connectors Accessory Slots Of course we left room for future expansion Stay tuned Graphical User Interface GUI Overview After plugging the keyboard monitor and mouse into the rear panel connectors and booting up the HDR you ll find most of the MackieOS GUI is pretty darn similar to the ...

Страница 12: ...Monitor panel This contains the track numbers 1 through 24 Record Ready buttons the virtual track take expansion button the active take selector and Solo and Mute monitor buttons Clicking on the Take number button brings up a list from which you can select the active take for recording or playback Clicking on the take expansion button displays the eight virtual tracks for the selected track Clicki...

Страница 13: ... need to click on the specific action button like Open For example to open a listed project in the Open Project window double clicking on a Project name inside of the dialog list opens the project and skips the need to click on the Open button A further fun fact is that holding the Ctrl control key and clicking on any of the four LOC time boxes will capture the current time the big display into th...

Страница 14: ...indow or click outside the window making it inactive Lists Any window that contains a list needs a selection mechanism or two As aforementioned clicking on a list item selects it After selecting on one list item Shift click on another item selects those two items and all items in between Ctrl click allows for selection of multiple list items Double clicking an item is usually a shortcut and direct...

Страница 15: ...splay shows the time of the current transport position in SMPTE time Hours Minutes Seconds Frames or in musical terms of Bars or measures Beats and Ticks BBT The displayed time is correlated with the time shown on the Time Bar and the position of the Current Time line Since the transport position is ultimately related to absolute time BBT is calculated for the purpose of display based on a known t...

Страница 16: ...e into the main transport time display Right clicking on the Time Marker bar pops up a shortcut menu with choices that include time units display loop selection and snap to options All of these functions have been described elsewhere Song Offset When the HDR24 96 is set to display in BBT the Song Offset can be used to slide the entire time bar horizontally so that playback coincides with Bar 1 Thi...

Страница 17: ... the track display can be scrolled vertically through all the tracks when fewer than 24 are visible by using the scroll button at the right end of the track area The Left and Right Zoom arrows expand or contract the time scale The horizontal scroll button at the bottom of the display moves the tracks horizontally along the time scale Zoom Tricks The Z Dive key is used to perform a quick zoom at th...

Страница 18: ...number buttons The selection area can be applied to other tracks by Ctrl or Shift clicking on their track number buttons Double clicking on a track number button with either the Hand or I Beam tool selects the entire track A Paste is performed on the track with the illuminated number button IMPORTANT If multiple track number buttons are illuminated the Paste is performed on the lowest numbered tra...

Страница 19: ...nd Ctrl click on each track or Shift click to select a range of tracks Then Ctrl click on the take number button on any of the selected tracks to make that the active take on all the tracks in the group Handy when you have 10 tracks of drum kit overdubs Solo and Mute buttons Track Solo and Mute the S and M buttons are output monitor functions Mute turns off the output of the selected track Solo mu...

Страница 20: ...e at the current transport time Double clicking on a cue number jumps the transport current time to the time of that Cue Cues are numbered sequentially as they re entered and have the default name Cue Cues can be renamed within this list by double clicking on the name field and entering new text The time location of the cue can be edited by clicking on the time field highlighting the digits you wi...

Страница 21: ... the History List is purged history As long as you are moving among contiguous editing operations on the history list you can re do anything that you ve undone The entries on the History List below the point to which you ve returned change to a gray background color but are still on the list If however you move back up the History list undoing some operations and then perform an edit operation the...

Страница 22: ...nable decisions Before we get on with a detailed explanation of disk files you should know that there are automatic defaults built into the HDR24 96 that will let you ignore any of this computerese push the buttons and go While every project needs a name the HDR24 96 s operating system will automatically assign a unique and workable name each time you start a new project You ll want to keep track ...

Страница 23: ... screen Project Management Project Manager The Project Manager is a GUI utility for deleting renaming or backing up projects These functions can also be performed from menus opened with the front panel PROJECT and BACKUP buttons The following project management operations can be performed from either the front panel or the GUI Project Manager New Project New Project creates a new Project The new P...

Страница 24: ...n Project from the File menu or use keyboard shortcut CTRL O In the Open Project dialog box select the drive that the Project resides on from the Drive Select list box Then click on the desired Project name and click Open or simply double click on the Project name Save Project Saving a Project stores all changes that have been made in a Project since the last Save operation This includes changes t...

Страница 25: ... Select Active Drive menu and select OK Press Project and select Delete Choose the Project you wish to Delete from the Delete Project Menu using the and SELECT buttons Select Del Select OK to confirm the deletion or select Cancel have a latte and think about it a while longer To delete a project from the GUI Select Project Manager from the Edit menu or use keyboard shortcut CTRL B In the Project m...

Страница 26: ...ll the way back to the original size of the complete audio file from which it was derived Regions are represented on screen either as solid colored blocks View Waveforms OFF or with waveform representations drawn within the blocks View Waveforms ON as selected from the Options menu The region s name appears in the upper left corner of the block provided the screen resolution is high enough to disp...

Страница 27: ...oss faded regions will become apparent to you after working within the track area for a few minutes or a day Locked regions change to a dark gray background and must be unlocked using the Region editing tools before they can moved or edited Region Names Regions are automatically named upon creation using their original track name You can rename both a region and a track but renaming a track after ...

Страница 28: ...ile is imported it is automatically converted to a WAV file Stereo interleaved AIFF and WAV files are converted to two mono files To Import audio files into the open Project GUI operation only Select Import Audio Files from the File menu or use keyboard shortcut ALT I Select the drive on which the Project from which you wish to import files resides The Location list box will display the drive lett...

Страница 29: ...operations performed with that track name Rendered tracks can be renamed in the Region list or when dragged into a track by using the Region Editor The Render Tracks command is accessed from the Edit pulldown menu There is no keyboard shortcut Select the track s or portions of a track to be rendered select the output file format and click on OK If you select AIFF format for rendering the rendered ...

Страница 30: ...n If you move other project related files such as session notes or mixer automation data into the HDR24 96 Project folder via FTP transfer through a network those will be copied along with the normal contents of the Project folder when you back up to another disk drive To Backup or Restore a Project From the front panel Press the BACKUP button Select Set Source to set the drive the Project is to b...

Страница 31: ...o not come preformatted If you decide to buy your own drives and install them into Mackie Media Trays then you will need to format them either on the HDR24 96 or off line You can format PROJECT disks with any PC that has Windows 95 98 98 SE NT 4 0 Millenium or 2000 on it or with any Mac that has File Exchange or PC Exchange installed Mac OS 7 or later You can format your own UDMA IDE drives with a...

Страница 32: ...menus and dialogs After a Format operation the HDR24 96 automatically prompts you to run the performance verification test The test should be run only on UDMA IDE drives Don t run the test on Mackie Media PROJECT drives the cows will come home before the test finishes To Verify the Performance of external media from the HDR24 96 front panel Press the Disk Util button If the Active Drive is the Int...

Страница 33: ...s from an external device such as a mixing console or a sequencer and to synchronize to incoming SMPTE or MIDI time code MTC Refer to Sync and MIDI reference sections for appropriate setup and operational information Transport Controls REWIND The Rewind function moves back along the time line in the same manner as rewinding a tape Like a tape deck it starts slowly and accelerates and the time disp...

Страница 34: ...the LOC position LOC defaults to a SMPTE time of 00 00 00 00 or BBT value of 1 1 0 but may contain any time value within the 24 hour or 10 000 th measure range of the Project The current value of the LOC time is displayed in a box in the Cue List page 20 at the right side of the display Once the LOC position has been changed from its default value the current LOC position is saved along with the P...

Страница 35: ...ouse pointer over the time field holding the Ctrl key turns the pointer into a hand with which you can capture the current time with a mouse click You can do this with the transport stopped or catch a loop or punch point on the fly This is a convenient technique when listening through a part and deciding you want to punch in HERE and out THERE Click on the LOOP or PUNCH marker on the Time Bar and ...

Страница 36: ...hen right clicking in the Time Bar or Marker Bar area above the tracks display The loop area will be highlighted with a yellow bar When playback is started the transport will locate to the beginning of the selected area play through to the end of the selected area and then repeat until the transport is stopped You can adjust the end points of the looped selection by dragging the edges of the selec...

Страница 37: ...transport will locate to a point earlier than the Cue or LOC time by the amount of time set in the Preroll window This is useful when you want the Cue to accurately define a point in the song like when the guitar solo begins but when punching in that guitar solo you wan to start rolling a few seconds before the guitarist starts playing Preroll time is set from the Locator MMC section of the Setup ...

Страница 38: ...cord indicator indicates than a track is armed but isn t presently recording When recording commences the blinking indicator glows steadily RECORD Initiating a recording requires two separate operations arming the track s and pressing the master Record button The RECORD function can be engaged from the front panel the remote controllers the GUI or the keyboard The GUI RECORD button and its keyboar...

Страница 39: ...r to enter the Record mode When One Button Punch is engaged once the Play button has been pressed tape is rolling only the Record button must be pressed to begin recording on armed tracks Note that this is different from entering Record from the GUI pressing the RECORD button by itself does not start the transport running Both Record and Play must be pressed but in the One Button mode they need no...

Страница 40: ...el From the remote controllers press the Rehearse button Auto Punch The Auto Punch function automatically starts and stops recording on armed tracks at preset punch in and punch out times just as if you had pressed the appropriate buttons Auto Punch is frequently used in combination with the Loop page 36 and Auto Take below functions Typically this feature is used when you want to re record a port...

Страница 41: ...left corner of the Tools panel On the front panel it s the last line of the top level display in the LCD you may have to press a button to wake up the LCD The calculation of available recording time takes into account the sample rate and bit depth as well as the number of tracks currently armed for recording With no tracks armed the time is calculated for the worst case as if your next record pass...

Страница 42: ...u ll hear what you re recording until you drop out of record If you want to listen to what you ve just recorded all you need to do is rewind and play This is the handiest mode most of the time and it s the default mode when you power up the HDR24 96 Auto Input OFF When Auto Input is OFF armed tracks always monitor their Inputs This mode is used primarily for rehearsing an overdub to locate a good ...

Страница 43: ...ng it Almost the meters ignore track Solo and Mute if selected and just go about their business even if you can t hear what they re indicating Nominal reference level for the meters is 18 dBFS In other words a meter will read 18 when a signal level of 4 dBu RMS is applied to the analog input When the meters are indicating peak level the output is a whopping 22 dBu Be sure the rest of your system h...

Страница 44: ...r they ve gone away Peak Hold functions even when you ve selected the Average metering characteristic Think of it as a hidden peak meter behind the averaging meter with just its top segment visible Get familiar with all the meter modes Use the one that gives you the best results based on the type of material you re recording Clip Overload Indicator The numbers above the GUI meter columns not only ...

Страница 45: ...e on the ball and your nose to the grindstone T Toggles between the I Beam and Hand tools F1 Selects the I Beam tool F2 Selects the Hand tool F3 Selects the Volume Envelope tool F4 Selects the Magnifying tool Selection Area Selection I Beam Tool The I Beam tool is used to mark the start and end times of an area for editing operations It operates on a single track a group of selected tracks or all ...

Страница 46: ...you manually enter a Start time which is later than the current End time the later time becomes the selection End time and what was the former End time becomes the new Start time Region Selection Hand Tool The Hand tool is used for selecting grabbing moving and resizing regions plus changing fade in and fade out curves The hand tool works on single or multiple regions so it s possible to move or r...

Страница 47: ...fier tool active zooms out The Dive Key Z The Z key operates as a momentary zoom in key for a high resolution view centered around the current cursor position Releasing the Z key returns to the previous screen view Node Tool The Node tool allows adjustment of the volume level within a region which could be the entire track For details on using it see page 54 Cursor Location Display This time displ...

Страница 48: ...he left plays backward The mouse acts as a throttle the further you drag it the faster the transport plays up to full speed By using a side to side motion with the mouse and listening to the playback you can zero in on a point in the track that you re trying to locate Scrubbing on the time bar plays all 24 tracks If you want to scrub just a single track with the I Beam and Scrub tools both active ...

Страница 49: ...the list entries will remain intact for the moment The next editing operation you perform while you re above the Recording Pass entry in the History List will take precedence and the Recording Pass entry as well as the remainder of the History List will disappear The recorded audio remains in the Region List however so it can be recovered if necessary Cut Cut removes the current selection on one o...

Страница 50: ...om the Paste Repeat dialog box Splice Mode The SPLICE button located near the center of the Tools panel affects how cut and paste operations are performed It s analogous to tape splicing hence its name If Splice is turned OFF cutting a selection out of a region leaves a hole perhaps to be filled by an equivalent part from an alternate take If Splice is turned ON the two sections on either side of ...

Страница 51: ...ient to select Snap to Cues or Snap to Grid by itself If Snapping is enabled by itself with Snap to Cues and Snap to Grid turned off a dragged region will still snap to the Current Time bar or to the edge of an adjacent region Snap to Grid The resolution of the grid is set from the Snap Grid submenu There are both time minutes seconds frames as well as musical bar quarter note eight note etc incre...

Страница 52: ...ct an area within a region using the I Beam tool SPLIT creates three regions one consisting of the selected area one before the selected area and one after Each region carries the name of the track and take Renaming the pieces using the Region Editor will help you to keep track of those little bits of virtual tape for later use Splitting follows all the rules of selection If multiple selections ar...

Страница 53: ...e beginning of the selection area When the insert point is selected with the Hand tool the length of the inserted blank space defaults to 0 and must be manually entered in the Insert Time dialog box To Insert blank Time into one or more Tracks GUI operation only Select the Insert point and Track s into which you want to Insert Time then select Insert Time from the Edit menu or use keyboard shortcu...

Страница 54: ...tude it s possible that they ll attempt to sum to greater than full scale in the crossfade region This will both sound ugly and look ugly if you zoom in on it Attack this problem by changing the shape of the crossfade curve so that both sections aren t near full gain simultaneously Toggling the AUTO X FADE function on or off will not affect any currently existing crossfades Crossfades become part ...

Страница 55: ...the region with the Hand tool and selecting Region Edit from the pull down menu which appears Selecting the region with the Hand tool and using the keyboard shortcut Ctrl E Selecting Region Edit from the GUI top level Edit menu Once the Region Editor is open you can select any region and the Region Editor dialog box will update with data from the selected region Here s what you ll find in the Regi...

Страница 56: ...ng the arithmetic we know you don t have six fingers It s a handy reference for checking length before performing region looping operations pasting into tight crevices or for finding out if that 30 second jingle is short enough Since this is an absolute time display it remains in SMPTE format regardless of the time format selected for other time displays It can be edited in exactly the same manner...

Страница 57: ...invisible envelope Hence it s possible to have volume changes occurring within a region that you don t see on screen If you work with volume envelopes it s best to leave View Envelopes on Region Looping The Loop Region feature allows you to loop a specific portion of a region for repetitive playback This Loop function is usually used to create rhythmic patterns but may be used to create effects su...

Страница 58: ... front panel equivalent since the mouse is a GUI only tool Waveform colors This sets the GUI color scheme Pull down the menu and select a color scheme to suit your mood There is no front panel equivalent setting Footswitch and Footswitch Remote This selects which of several functions the footswitch performs Select the function from the pulldown menu or access the FOOTSWITCH HDR or FOOTSWITCH Remot...

Страница 59: ...ime code and sample clock synchronization All of these parameters can be set from the GUI menu or from the front panel using the SYNC button Sample Clock Selects the source for the sample word clock Choices are Internal Word Clock BNC or Video BNC In the GUI when Video BNC is selected another pulldown menu appears for selecting Video Frame Rate The video frame rate Video Field option is always pre...

Страница 60: ...from the TC Offset menu Disk Directory Organization The HDR24 96 uses a FAT 32 based file system whose folder directory structure is organized in a specific way Since each of these directories and files can be viewed and accessed from both the Import Audio Files dialog and from an FTP Client it s important to understand their organization and function The important files and folders are described ...

Страница 61: ...software should cure the problem MackieOS exe The main HDR24 96 application file PME sys exe The HDR24 96 bootloader program file Tread carefully around these files and folders when using FTP to import backup and restore Project files Deleting or moving one or more of these may render the HDR24 96 inoperable If a system file is moved or deleted reinstalling the software from floppy will usually re...

Страница 62: ...n this project we ve imported a file from another Project that has the same name as an originally recorded file in the current Project easy to do when files are named automatically and generically Examining the Region list for the LuigiPizzaJingle project would show two regions named Voice Over It s up to you to sort them out but rest assured one will not clobber the other ...

Страница 63: ...track screen If a template has been saved see Save As New Template project characteristics including track names will be taken from the template Otherwise default template characteristics will be used for the new project Open Project Ctrl o Opens an existing project If there is a project currently open that has not been saved you will be prompted to save it first A dialog box allows you to choose ...

Страница 64: ... actually used in the project This utility looks at every region used in every playlist version associated with athe project generates a list of and deletes audio files that do not appear in any playlist and invites you to delete all or selected files on the unused audio files list This is a destructive process so don t use it until you re near the end of a project or are very sure that that outta...

Страница 65: ...ndo Ctrl z Undoes the last operation by moving up one entry in the History list If you ve moved a region it puts it back where it was If you ve deleted something it recovers it If you ve changed a crossfade it restores it to its original length or shape The name of the operation that will be undone appears on the menu as a reminder Undo can be repeated each time moving one more step back up the Hi...

Страница 66: ...opy 2 butted against the end of copy 1 etc or at a specific interval Clicking on Paste Repeat opens a dialog box which allows you to enter the number of repeats the starting point of the paste operation and the interval between repeats The interval is particularly useful when working in the BBT time scale where you can paste copies every so many beats Insert Time Ctrl i Inserts a specified amount ...

Страница 67: ...en display between block regions with or or without the waveform of the recorded audio shown within the block Selecting this item checks on or unchecks off this option Normally you ll want to see waveforms when defining and trimming regions but once all your regions are defined screen redrawing is a little faster without all those squiggles View Envelopes This is an on off toggles that turns the v...

Страница 68: ...time code from the MIDI oOut the enabled SMPTE and or MIDI connectors This function may also be selected from the Setup Sync menu which also provides a similar function for generating SMPTE time code See Setup in this table All Input Selects All Input Monitor mode Same as toggling the ALL INPUT button at the lower left corner of the GUI screen or pressing the front panel or remote controller ALL I...

Страница 69: ... you re running this is where you find out Hot Keys Displays a list of many of the available keyboard shortcuts Close All Ctrl Closes all the pop up windows that are currently open Close Window Esc Closes the top last used window Setup Ctrl 1 Opens the Setup window for General operating characteristics FTP Server IP addressing Digital I O configuration Time Code and Sync options MIDI Machine Contr...

Страница 70: ...ased the recorder to find the vocal track that you recorded last week is no fun Window Frames Selects the color of the top border of the active floating on screen windows FTP Server IP Address The HDR24 96 s unique network address This must be different from any other device address on your network See Appendix C for more details on FTP setup and operation Subnet Optional if you re part of a large...

Страница 71: ...ed tempo atfor which the BBT display is calculated Edit the tempo by clicking in the box or clicking on the up down buttons adjacent to the Default Tempo display The Active Tempo displayed below the Default Tempo box shows the tempo at the current time when a tempo map has been loaded Song Offset Offsets the displayed BBT transport time from incoming Time Code when in TC Chase mode By setting the ...

Страница 72: ...ll down menu to select sample rate Time Code Source Pull down menu to select whether when CHASE TC is selected the time code source is SMPTE or MTC Bit Depth Pull down menu to select between 16 and 24 bit sample resolution Time Code Frame Rate Pull down menu to select among various SMPTE time code framing options Time Code Offset Offsets transport time with respect to incoming time code If a negat...

Страница 73: ...tive process which cannot be undone OK Deletes the last recording pass If there has been nothing recorded since the last time the project was saved you will be prompted that there is nothing to delete Cancel Cancels the Delete Last operation TRACK OPTIONS Displays the track numbers without the tens digits Tracks which are muted are indicated by an asterisk below the track number The DEC and INC bu...

Страница 74: ...ect does not have unsaved changes you will not be prompted to save changes in the current project but will be prompted to enter a new project name Yes Changes to the current project are saved and a new project is opened No Changes to the current project are not saved and a new project is opened Cancel Don t create a new project New Yes Enter Project Name New No Enter Project Name Yes or No creates...

Страница 75: ...mes a project on the currently active disk drive Scrolls through the project names on the currently active disk drive Pick the one you wish to rename OK Selects the project for renaming Rename Rename Used for renaming the project These buttons move the v cursor along the characters in the project name The DEC and INC buttons scroll through the character set to select each character in the project ...

Страница 76: ...ction Format Formats the selected drive Select using the SET command Wipes out everything on the currently active drive Are You Sure OK Yes I m sure Do it Format Complete Verify Drive Speed yes no Cancel Don t I like what s on the drive Verify Runs a performance test to determine if the drive is suitable for recording Real Time backup Back Uup or unsuitable Boo hoo for use with the HDR24 96 Usuall...

Страница 77: ...ETUP TCP menu Sub Sets the Subnet addressmask Operation is the same as above Gate Sets the Gateway addressmask Operation is the same as above Exit Returns to the top level SYSTEM menu Footswitch HDR Selects the function of a footswitch connected to the HDR rear panel jack OK Sets the footswitch function Footswitch Remote Same as above for the footswitch connected to a remote controller About acces...

Страница 78: ...plicable for other I Ocards Turns input sample rate conversion on and off for PDI 8 cards Rate Convert Turns input sample rate conversion on or off for PDI 8 cards Rate Convert SYNC Options Menu Selection Submenus What It Does Sample Clock Selects the sample clock source Internal External wWord cClock BNC or vVideo blackburst BNC OK Confirms the selection and returns to the SYNC OPTIONS menu Sampl...

Страница 79: ... You cannot simultaneously generate and chase to SMPTE Setting this option On when the HDR24 96 is set to TC CHASE will result in a You can t do that message OK Confirms the selection and returns to the SYNC OPTIONS menu Generate MTC next page Off to the right Accessed with the button Turns MIDI time code output On or Off OK Confirms the selection and returns to the SYNC OPTIONS menu TC Offset nex...

Страница 80: ...K Confirms the setting and returns to the SYNC OPTIONS menu Exit Exits the time code options and returns to the Sync Options menu Video Field next page Selects the video frame rate when using Video Blackburst as the clock source Selects among 60 Hz old black white standard 59 97 Hz NTSC color or 50 Hz PAL OK Confirms the setting and returns to the SYNC OPTIONS menu Exit Exits the time code options...

Страница 81: ...they come up in the same state as you last set them They retain their settings when you switch Projects or Playlists or open a new Project Any change you make in these will be carried over to the next power up or the next Project Active Drive Mouse Speed Window Frames Color Scheme Waveform Color Scheme Footswitch Function Remote Footswitch Function FTP Server IP Address FTP Server Subnet Mask FTP ...

Страница 82: ...with the Project but unlike the group above are set to factory default values when a New Project is created Parameter New Project Default Scenes F5 F12 24 tracks 0 30 sec time scale Current Time 00 00 00 00 LOC 1 LOC 4 time 00 00 00 00 LOC time 00 00 00 00 Looped Selection Off SMPTE Offset 00 00 00 00 SMPTE Offset Negative Off positive Song Offset 00 00 00 00 Mutes Unmuted all tracks Last Playlist...

Страница 83: ...is saved neither are they retained after a shutdown Depending on the parameter they are either turned off when opening a stored Project or creating a new Project or they retain their current setting when projects are changed Parameter New Project Power On Defaults Loop Off Off Punch Off Off Rehearse Off Off Auto Take Off Off Record Ready Off Off Solo Off Off All Input Monitor No change Off Auto In...

Страница 84: ... cannot offer the service or knowledge that you might personally need on the broad and seemingly complex issue of networking security Please seek guidance from professional computer service types The two most popular methods of networking in the PC environment are Peer To Peer Usually used when only two computers are connected together This configuration is described in detail here Server Router N...

Страница 85: ...ary However if there is a direct connection to the Internet WAN a specific gateway address must be assigned by your network administrator or Internet service provider All Ethernet devices on your network LAN Local Area Network will share this assigned gateway address Using typical Class C peer to peer number assignments with no gateway the HDR24 96 address could be for example 10 10 28 20 the fact...

Страница 86: ...ce You will need to know the HDR24 96 IP address to set up your FTP client software If your computer is set for a fixed IP address using the and SELECT and DEC and INC buttons set the first three fields of the HDR24 96 IP address to match your computer s address and set the last field to something different Be sure you don t set it to the address of another device that you have on your network Whe...

Страница 87: ...ren t planning to use it to connect to the Internet the simplest thing to do is check the Obtain an IP Address Dynamically button and continue You could enter an IP address of your choosing but for a simple two station network the computer and the HDR24 96 there s no advantage to doing so TCP IP Is Not Listed If the TCP IP networking software is not installed install it as follows Click the Add bu...

Страница 88: ...twork Although LAN computers may connect to a WAN such practice is typically achieved by the use of a Gateway and or Firewall Router or Proxy Server A gateway will act as a conduit for networking traffic and computers that communicate through the gateway will assume the IP address of the gateway In other words if your personal computer which is connected to your LAN has an IP address of 10 1 1 1 a...

Страница 89: ...r touches another network i e not publicly available outside of your network you may use any IP address range you choose However research and consideration in this matter should be conducted to prevent any unwanted breaches of security and IP address conflicts For further details you are encouraged to seek additional information from the following organization Internet Assigned Numbers Authority h...

Страница 90: ... A converter or digital mixer Without it nothing comes in and nothing gets out Unlike your wristwatch you can change the speed of the Sample Clock to accomplish different things The speed at which the Sample Clock runs at is called the Sample Rate The Sample Clock inside a CD player runs at a Sample Rate of 44 100 Hz samples per second Some people in the audio industry like to run at 96 000 Hz bec...

Страница 91: ... Null clock and oversampled word clock also called superclock which runs at 128 256 and 384 times the Sample Rate Although the rest of our discussion about clocks will be limited to Word Clock the HDR24 94 supports Word Clock only the principles apply to all of these clock formats The second requirement is satisfied by distributing a common time code signal to every device The time code signal car...

Страница 92: ...ame Time This is a good question and one that often causes confusion The following example best illustrates the answer In the example above the slave receives time code but not word clock from the master When you press play on the master the slave precisely locks its transport position to the master s position However once the slave HDR24 96 locks to time code from the master it effectively ignore...

Страница 93: ...mpletely ignored and the transport continues to run until stopped by the user Jam Once operation is most useful when recording or playback disruptions due to faulty time code cannot be tolerated for example during live remote recording To put the HDR24 96 in Jam Once operation disable TC Chase after lock is acquired Trigger Sync Trigger Sync is a method used by some non linear digital audio device...

Страница 94: ...ime code further divides a second into frames A display of a 30fps frames per second time code time might look like this 02 18 57 28 This time code value reads 2 hours 18 minutes 57 seconds and 28 frames There are four standard Time Code Frame Rates each of which has a specific application These four rates are 24 fps Used for theatrical film applications worldwide 25 fps Used for music broadcast a...

Страница 95: ...ws at 12 30 The great news is that unless you are a broadcaster or have to deliver something that will be broadcast on air you don t need to worry about drop frame time code either In practice there are actually four different speeds rates at which time code runs 24 25 29 97 and 30 fps and four different ways that frames are counted 24 25 30 and 30 Drop When you shake them all together and spill t...

Страница 96: ...rame rates correspond exactly to 25 Hz 29 97 Hz and 30 Hz which are also standard Time Code Frame Rates How convenient In order for a digital system to synchronize to video it must synthesize its sample clock from the much slower video signal The relationship between the video field rate and the sample rate of the box is determined by a simple mathematical relationship For example if you have a 50...

Страница 97: ... are connected between digital audio devices it is imperative that their clocks be synchronized to a common word clock source regardless of whether or not video synchronization is involved Digital audio devices expect to receive digital audio signals within a certain window of time relative to the start of the word clock signal If it receives them outside the time window the data may not be read p...

Страница 98: ...ch that at times digital audio signals may fall outside the acceptable time window Additionally the phase relationships often vary over time due to the nature of the video resolving circuitry To solve this problem whenever video is used to synchronize analog audio video and digital audio equipment together all digital audio equipment should be synchronized to word clock from a single master clock ...

Страница 99: ...sync with each other because the setup is in effect identical to the example given at the beginning of section 3 Even though there is no sample clock in the multitrack machine the net effect of the tape machine servo control mechanism and the LTC generator that originally striped tape is that of a sample clock with a slightly different tolerance than the HDR24 96 sample clock The problem of synchr...

Страница 100: ...me code LTC is the preferred choice This is because the LTC signal has much greater timing resolution than MTC LTC is a continuous signal that has a timing resolution of 80 subframes per frame effectively producing 2400 ticks per second for 30 fps time code 20 samples per subframe at 48 kHz On the other hand MTC is a non continuous computer data signal that is sent out in packets 4 times per frame...

Страница 101: ... the SMPTE track as this will distort the signal The 4 dBu level is typically used when distributing SMPTE between devices The SMPTE output level on the HDR24 96 can be set to either 10 or 4 operation from the Sync Setup window The HDR24 96 can lock to incoming time code at levels within the range of 25 dBV to 15 dBu When time code is recorded onto analog tape the signal quality is slightly degrad...

Страница 102: ...s to BBT 1 1 000 Some devices do not support display only offsets like the HDR24 96 Song Offset A Word or Three about Pull Ups and Pull Downs Probably no aspect of synchronization causes more confusion than pull ups and pull downs That s why we left this subject for last Simply put a pull up or pull down is the raising or lowering of the speed of a device above or below the standard speed The only...

Страница 103: ... arises when working with location recordings for theatrical film when synchronizing to certain digital video machines that support digital audio or when otherwise directed to do so by the technical director of a film for purposes of standardizing the post production process Most of you can breathe a sigh of relief For those of you who must use pull ups and pull downs here is how they work For eac...

Страница 104: ...ource is slightly more tricky and requires extra care in the setup process Because word clock controls the actual rate at which the Sample Clock runs you can pull the HDR24 96 up or down without changing the Sample Rate and Time Code Frame Rate settings by sending the HDR24 96 a pulled up or pulled down word clock For example sending a 47 952 kHz word clock to an HDR24 96 set to 48 kHz and 30 fps ...

Страница 105: ... devices The HDR24 96 has NO self clocking I O interfaces Word clock must be used instead 5 Free Bonus Factoid Some digital audio devices have self clocking interfaces In other words the signals that carry the audio also carry a signal from which the sample clock of the unit can be derived Typically this is true of many devices that are capable of receiving AES S PDIF or ADAT Optical signals In th...

Страница 106: ...X Pitch Bend X X Control Change X X Program Change True Number X X System Exclusive X X Song Position X X Song Select X X System Common Tune Request X X System Realtime Clock Commands X X Local On Off N A N A All Notes Off N A N A Active Sense N A N A Aux Messages System Reset N A N A MMC open loop commands STOP PLAY 03 FF REW REC 06 REC EXIT REC READY 41 LOCATE SHUTTLE STEP MTC Quarter Frame Reso...

Страница 107: ...tyle 5 pin DIN Video SVGA High Density 15 pin D sub Networking 100 Base T Ethernet CAT 5 w RJ 45 MIDI MIDI In Out 5 pin DIN through 15 pin D sub adapter Accessory Slots PCI x2 for future expansion Hard Drive Drive Size 20 4 MB UDMA IDE Standard Recording Capacity Greater than 90 minutes 24 tracks 24 bit 48kHz Internal Mackie Media M 90 Supported Drive Sizes Up to 32 GB Video Accelerator ATI Rage P...

Страница 108: ...59 97 60 Hz NTSC Composite Blackburst Time Code Formats SMPTE In or SMPTE Out in balanced jack MTC In and Out SMPTE Levels 4 dBu 10 dBV default software selectable Sample Rates 44 1 kHz 48 kHz 96 kHz w future upgrade External Clock Rates 43 6 kHz to 50 6 kHz 48 kHz setting 40 1 kHz to 48 9 kHz 44 1 kHz setting Word Clock Input TTL 2 5 Vpp 75 Ohms terminated 3 3k Ohms bridging Word Clock Output CMO...

Страница 109: ...HDR24 96 Technical Reference Pg 109 ...

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