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RME Audio Hammerfall Digiface User Manual Download Page 71

 

 

User's Guide HDSP System Digiface

 © RME

 

71 

 

32. Tech Info

 

 
Not all information to and around our products fit in a manual. Therefore RME offers a lot more 
and detailed information in the 

Tech Infos

. The very latest Tech Infos can be found on our 

website, section News & Infos, or the directory 

\rmeaudio.web\techinfo

 on the RME Driver 

CD. These are some of the currently available 

Tech Infos

: 

 
Synchronization II (DIGI96 series) 
Digital audio synchronization - technical background and pitfalls. 
 
Installation problems - Problem descriptions and solutions. 
 
Driver updates Hammerfall DSP – Lists all changes of the driver updates. 
 
DIGICheck: Analysis, tests and measurements with RME audio hardware 
A description of DIGICheck, including technical background information. 

 

ADI-8 Inside 
Technical information about the RME ADI-8 (24-bit AD/DA converter). 
 
Many background information on laptops and tests of notebooks: 
HDSP System: Notebook Basics - Notebook Hardware 
HDSP System: Notebook Basics - The Audio Notebook in Practice 
HDSP System: Notebook Basics - Background Knowledge and Tuning 
HDSP System: Notebook Tests - Compatibility and Performance 
 
The digital mixer of the Hammerfall DSP in theory and practise 
HDSP System: TotalMix - Hardware and Technology 
HDSP System: TotalMix - Software, features, operation 

Summary of Contents for Hammerfall Digiface

Page 1: ...ll DSP System Digiface PCI Busmaster Digital I O System PCI and CardBus Interface 2 24 Channels SPDIF ADAT Interface 24 Bit 96 kHz Analog Stereo Monitor ADAT Sync In MIDI I O TotalMix 24 Bit 96 kHz Sy...

Page 2: ...stallation 14 10 2 Driver Update 14 10 3 Deinstalling the Drivers 14 10 4 Firmware Update 15 11 Configuring the Digiface 11 1 Settings Dialog 16 11 2 Clock Modes Synchronization 18 12 Operation and Us...

Page 3: ...ooting 40 23 Diagram Channel Routing at 96 kHz 41 Disconnect Mode Connections and TotalMix 24 Disconnect Mode 44 25 Analog Output Headphones 44 26 Digital Connections 26 1 ADAT 45 26 2 SPDIF 45 26 3 W...

Page 4: ...back 65 30 6 Using external Effects Devices 66 31 TotalMix MIDI Remote Control 31 1 Overview 67 31 2 Setup 67 31 3 Operation 67 31 4 Mapping 68 31 5 Simple MIDI Control 69 31 6 Loopback Detection 69 T...

Page 5: ...User s Guide HDSP System Digiface RME 5 User s Guide Digiface General...

Page 6: ...e audio hard ware 2 Package Contents Please check your Hammerfall DSP component s package to include each of the following PCI Interface PCI card HDSP Quick Info guide RME Driver CD Cable IEEE1394 4 5...

Page 7: ...switched off and the power cable is disconnected from the mains supply Inserting or removing a PCI card while the computer is in operation can cause irreparable damage to both motherboard and card 1 D...

Page 8: ...which case the LED will flash See also chapter 11 2 20 2 Clock Modes Synchronization The red HOST LED lights up when the power supply or the computer is switched on thus sig nalling the presence of op...

Page 9: ...e green arrow symbol in the systray It is possible to stop the HDSP directly or to first call up the info dialog by double clicking the symbol and then stopping it Mac OS X When inserting the CardBus...

Page 10: ...16 4 ft 36010 Firewire cable IEEE1394 6M 6M 10 m 32 8 ft FireWire cable for the HDSP system both sides 6 pin male Cable longer than 16 ft is not al lowed for FireWire therefore hard to get in computer...

Page 11: ...onik GmbH Leipziger Strasse 32 D 09648 Mittweida Trademarks All trademarks registered or otherwise are the property of their respective owners RME DIGI96 SyncAlign ZLM SyncCheck DIGICheck and Hammerfa...

Page 12: ...r electronic devices This equipment generates radio frequencies and if not installed and used according to the instructions in the User s Guide may cause interference harmful to the operation of other...

Page 13: ...User s Guide HDSP System Digiface RME 13 User s Guide Digiface Driver Installation and Operation Windows...

Page 14: ...Update RME s driver updates often include a new hdsp32 inf file Also the revision number of the hardware might change after a flash update To prevent Windows 2000 XP from using an old hdsp32 inf or t...

Page 15: ...failure the card s second BIOS will be used from the next cold boot on Secure BIOS Technology Therefore the card stays fully functional The flash process should then be tried again on a different com...

Page 16: ...Synchronization behaviour State of input and output Any changes made in the Settings dialog are applied immediately confirmation e g by clicking on OK or exiting the dialog is not required However se...

Page 17: ...or if there is a valid and synchronous signal Sync The AutoSync Reference display shows the input and fre quency of the current sync source Options TMS activates the transmission of Channel Status da...

Page 18: ...clock or Slave see AutoSync Ref 11 2 Clock Modes Synchronisation In the digital world all devices are either the Master clock source or a Slave synchronized to the master Whenever several devices are...

Page 19: ...CD player is con nected to the SPDIF input Try re cording a few samples from the CD and you will be disappointed Few CD players can be synchronized The samples will inevitably be cor rupted because th...

Page 20: ...already in sync with the mixing desk so it will send an identical synchronous signal to ADAT3 out The ADAT recorder will lock onto this its output will also be in sync The signal from the ADAT record...

Page 21: ...ither an ADAT or SPDIF port depending on which has been selected as playback device Increasing the number and or size of audio buff ers may prevent the audio signal from breaking up but also increases...

Page 22: ...log multichannel data to the HDSP The device selected as Preferred Playback Device defines the first playback channel Choosing ADAT 3 4 and 6 channel mode playback will happen on channels 11 to 16 Cho...

Page 23: ...our system and software allows Some motherboards with insufficient PCI bandwidth like older VIA boards suffer from crackling at settings below 512 Be sure to set the buffer size to 512 or higher in su...

Page 24: ...audio attributes or similar dialog The screenshot to the right shows a typical dialog used for changing basic parameters such as sample frequency and resolution in an audio ap plication Any bit resol...

Page 25: ...l appear We recommend to deactivate all PlugIns to verify that these are not the reason for such effects Additional hard disk controllers both on board and PCI based aften violate the PCI specs To ach...

Page 26: ...ansport panel will open the Synchronization dialog Select ASIO 2 0 as the timecode base under Sync Source confirm the dialog with OK then activate Sync mode by single click ing on the Sync button If s...

Page 27: ...t of confusion as the driver seems to behave com pletely buggy and the user does not recognize the simple reason for it for example simulta neous operation of ASIO and GSIF on the same channels In cas...

Page 28: ...evel Meter and Vector Audio Scope in a single window Bit Statistics Noise Shows the true resolution of audio signals as well as errors and DC offset Includes Signal to Noise measurement in dB and dBA...

Page 29: ...therefore only valid for syn chronous audio data Sync is displayed referring to the card s clock but the incoming data is not in sync with the sample position received at the ADAT Sync In Then Cubase...

Page 30: ...nal paths in ASIO double speed mode 88 2 96 kHz The devices available via the ASIO driver have been designed to avoid conflicts in normal operation Re cord and playback are identical Device The device...

Page 31: ...in MME double speed mode 88 2 96 kHz The devices available via the MME wave driver have been designed to avoid conflicts in normal operation which is why channels 5 6 7 and 8 of the ADAT device have...

Page 32: ...32 User s Guide HDSP System Digiface RME User s Guide Digiface Driver Installation and Operation Mac OS X...

Page 33: ...from the Login Items and delete both files from your hard drive This driver version did not have the features AutoLoad Dock Lock and AutoRemove There fore one has to make sure that both programs have...

Page 34: ...hammer icon in the dock The mixer of the Hammerfall DSP System To talMix can be opened by clicking on the mixer icon in the dock The Hammerfall DSP s hardware offers a number of helpful well thought o...

Page 35: ...Detected The interface has found an I O box and tries to load the firmware Connected Communication between interface and I O box operates correctly Disconnected Communication between interface and I...

Page 36: ...er Remember that a digital system can only have one master If the HDSP s clock mode is set to Master all other devices must be set to Slave The Hammerfall DSP s ADAT optical input and the SPDIF input...

Page 37: ...corder is not receiving any signals from HDSP or from the mixer it will generate its own clock at a rate which is almost the same as the sample frequency of the mixing desk but not identical Remedy To...

Page 38: ...Nonetheless this driver file can be removed by simply dragging it to the trash bin This can be helpful in case a driver installation fails An incomplete installation can currently 10 3 2 only be dete...

Page 39: ...the current Hammerfall DSP systems can be used in any PCI slot of all G4 and G5 models In case additional PCI cards of any manufacturer are used it might happen that the RME card is no longer found by...

Page 40: ...re 22 Hotline Troubleshooting The newest information can always be found on our website www rme audio com section Sup port Macintosh OS Playback works but record doesn t Check that there is a valid si...

Page 41: ...gram Channel Routing at 96 kHz This diagram shows the signal paths in double speed mode 88 2 96 kHz The last four chan nels of the ADAT port have no function anymore in Core Audio but are used by the...

Page 42: ...42 User s Guide HDSP System Digiface RME...

Page 43: ...User s Guide HDSP System Digiface RME 43 User s Guide Digiface Disconnect Mode Connections and TotalMix...

Page 44: ...nnected to a desktop computer receiving its power from there The Disconnect mode will then cause the unit to be isolated from the computer no longer be avail able to any software or other changes an i...

Page 45: ...signal from the Digiface Transmits channels 9 to 24 When sending a Double Speed signal this port carries channels 5 to 8 and 9 to 12 26 2 SPDIF Input The SPDIF input is configured in the Settings dial...

Page 46: ...a female one Note that most consumer HiFi equipment with optical or phono SPDIF inputs will only accept signals in Consumer format The audio bit in the header can be set to Non Audio This is often nec...

Page 47: ...ls are usually distributed in the form of a network split with BNC T adapters and terminated with resistors We recommend using off the shelf BNC cables to connect all devices as this type of cable is...

Page 48: ...and a valid word clock signal is present The signal at the BNC input can be Single or Double Speed the Hammerfall DSP automatically adapts to it As soon as a valid signal is detected the green WC LED...

Page 49: ...mplete implementation of the ADM functions Integration of external devices Use TotalMix to insert external effects devices be it in the playback or in the record path Depending on the current applicat...

Page 50: ...50 User s Guide HDSP System Digiface RME...

Page 51: ...from an Inline desk so that the row Software Playback equals the Tape Return of a real mixing desk Top row Hardware inputs The level shown is that of the input signal i e fader independ ent Via fader...

Page 52: ...or the first time a default file is loaded sending all playback tracks 1 1 to the correspond ing hardware outputs with 0 dB gain and activating phones monitoring Hold down Ctrl and click on preset but...

Page 53: ...en channels 7 and 8 The present pan value is also being displayed below the fader Please carry out the same steps for Out 2 now in order to route it to output 8 as well In short While editing the Subm...

Page 54: ...tering Double Speed mode 96 kHz The display is adjusted accordingly and all fader settings remain stored 28 5 Submix View Such a wide range of possibilities make it difficult to maintain the overview...

Page 55: ...monitoring a stereo and mono mix and various submixes without any problem Also here RME s love for details can be seen If any parameter is being altered after loading a preset e g moving a fader the...

Page 56: ...backs to the analog Phones output Level display set to RMS 3 dB View Submix active Note This preset is Default offering the standard functionality of a I O card Preset 2 Description All channels route...

Page 57: ...usted with the channel s input fader Monitor Phones 1 2 3 Use the drop down menu to select the hardware outputs where the submixes are sent to These submixes are usually phones mixdowns for the musici...

Page 58: ...A right mouse click on the white name field brings up the dialog box Enter Name Any name can be entered in this dialog Enter Return closes the dialog box the white label now shows the first letters of...

Page 59: ...TotalMix also supports combinations of these keys If you press Ctrl and Alt at the same time clicking with the mouse makes the faders jump to 0 dB pairwise and they can be set pairwise by Shift Alt i...

Page 60: ...SIO Direct Monitoring Windows only When de activated any ADM commands will be ignored by TotalMix In other words ASIO Direct Monitoring is globally de activated Link Faders Selecting this option all f...

Page 61: ...signal shows 0 dBFS on both Peak and RMS meters This setting also yields directly readable signal to noise values Otherwise the value shown with noise is 3 dB better than it actually is because the r...

Page 62: ...lack gain field Shows the current gain value as dB Orange gain field This routing is muted To maintain overview when the window size has been reduced the left and upper labels are floating They won t...

Page 63: ...utput 4 at 9 dB Each time you set up the right channel 2 4 the change in pan destroys the gain setting of the left channel 1 2 A real hassle In Matrix view you simply click on the corresponding routin...

Page 64: ...ame way on all headphones Select input 1 open the menu Edit It shows Copy In 1 Now select the desired new input for example In 8 The menu now shows Paste In 1 to In 8 Click on it done If you are famil...

Page 65: ...ut signal to any hardware output Using the subgroup recording the input can still be recorded on a different channel Note Because of a technical limitation the input s level meter no longer shows the...

Page 66: ...dB and the panorama fully to the right Adjust the input level at the reverb unit to an optimal setting Next the output of the reverb unit is connected to a free stereo input for example 5 6 Use the T...

Page 67: ...dard Control Change Volume via MIDI channel 1 With this the main volume of the Digiface is controlable from nearly any MIDI equipped hardware device 31 2 Setup Open the Preferences dialog menu Options...

Page 68: ...n both applications TotalMix also supports the 9th fader of the Mackie Control This fader labeled Master will control the stereo output faders lowest row which are set up as Main Monitor outputs in th...

Page 69: ...3 D 3 Monitor Phones 2 40 64 E 3 Monitor Phones 3 41 65 F 3 Preset 1 36 54 F 2 Preset 2 37 55 G 2 Preset 3 38 56 G 2 Preset 4 39 57 A 2 Preset 5 3A 58 A 2 Preset 6 3B 59 B 2 Preset 7 3C 60 C 3 Preset...

Page 70: ...70 User s Guide HDSP System Digiface RME User s Guide Digiface Technical Reference...

Page 71: ...ons Driver updates Hammerfall DSP Lists all changes of the driver updates DIGICheck Analysis tests and measurements with RME audio hardware A description of DIGICheck including technical background in...

Page 72: ...ital inputs and outputs 33 3 Digital Inputs SPDIF AES EBU 1 x RCA transformer balanced galvanically isolated according to AES3 1992 High sensitivity input stage 0 3 Vpp SPDIF compatible IEC 60958 Acce...

Page 73: ...input Hi speed mode Jitter and response time typically below 1 ms Separate 128 byte FIFOs for input and output 33 6 Transfer Modes Resolution Bits per Sample ASIO 24 32 bit 4 byte stereo 8 byte This...

Page 74: ...s slightly higher or lower than the Digiface s internal sample rate Result When reading out the data there will fre quently be read errors that cause clicks and drop outs Also when using multiple inpu...

Page 75: ...rror prone analog filters away from the audible frequency range as far as possible This typically generates a delay of one millisecond A playback and re record of the same signal via DA and AD loopbac...

Page 76: ...ng distributed to the former left and right channels By this you get the double amount of data i e also double sample rate Of course in order to transmit a stereo signal two AES EBU ports are necessar...

Page 77: ...e in principle because the audio information is stored in the same place in the data stream However there are blocks of additional information which are different for both standards In the table the m...

Page 78: ...78 User s Guide HDSP System Digiface RME 35 Block Diagram Digiface...

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