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HTP-1 Installation and User Guide Release 1.8.1

Firmware Updates

The Monolith HTP-1 software may see periodic improvements and it is easy to install an update from the
network when one becomes available. Click on the

info

button in the lower left of the homepage to

access the update page. The

info

icon on the homepage, and the

gear

icon on the front panel, will turn

yellow when there is an update available.

Clicking on “Update the system” will configure your system to have the latest “official” release. The
update process can take several minutes, depending on what has changed. The unit reboots when the
update is complete. User settings are preserved.

You are encouraged to click on “Release Notes” to see what features have changed in this release as
well as what problems are known.

The “history” link allows you to see a selection of software releases and choose one. Releases on the
“master” branch are recommended for most users. “preview” releases are also available. These are (or
have been) in testing. Choosing one from the list will update the system to this specification with a
reboot following.

HTP-1 User Manual

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V1.8.1

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Summary of Contents for HTP-1

Page 1: ...HTP 1 16 Channel Home Theater Processor User Manual P N 37887 Updated October 14 2020 2019 2020 Monoprice Inc All rights reserved ...

Page 2: ...HTP 1 Installation and User Guide Release 1 8 1 This page left blank HTP 1 User Manual Page 2 V1 8 1 ...

Page 3: ... Overview 11 Front Panel 11 Rear Panel 12 Front Panel LCD Display 14 Remote Control 16 Web GUI Home Page 18 Basic Setup 20 System Requirements 20 Step by Step 20 Initial WiFi Setup 22 Update the Firmware 22 Interface Description 23 Speaker Configurations 24 Speaker Location Diagrams 26 5 1 vs 7 1 Surround Speakers 28 Top Middle vs High Side 28 Valid Speaker Configurations 29 HTP 1 User Manual Page...

Page 4: ...er Level On the Ceiling 39 Example 9 3 4 Speaker Configuration Upper Level On the Ceiling 40 Example 9 1 6 Speaker Configuration Upper Level On the Ceiling 41 Configure the Bass Manager 42 Calibration 44 Volume Range and Maximum Output Voltage 45 Recommendations on setting the Maximum Output Level 46 Lipsync Delay 46 Dirac Calibration 47 Calibration Steps 48 Dirac Bypass 53 Dirac On 53 Dirac Bypas...

Page 5: ... 65 Naming the Audio Video Sources 66 Watch Video with Other Audio 67 Partial Reset by Changing Inputs 67 PCM Detect Sensitivity 68 USB Audio Input 68 Sound Enhancement Page 69 Using Surround Modes 69 Wide Synth 70 Bass Enhancement AKA Bass Reinforcement 71 Audio Features 72 Night Mode 72 Dialog Enhancement 72 Loudness 72 For Highest Quality Audio 74 Connectivity 75 Setting up ARC eARC and CEC 75 ...

Page 6: ... 79 Bluetooth 80 System Page 81 Support Features 84 Video Features 85 UHD Support 85 EDID Management 85 Dolby Vision 86 Triggers 86 Using Roon 86 Firmware Updates 87 Feedback 88 Alexa 89 Specifications 90 Signal Processing Flow 91 IR Code Table 92 IR Code Over HTTP Remote Control 93 Third Party Applications 93 Privacy Disclosure 93 Regulatory Compliance 94 Notice for FCC 94 HTP 1 User Manual Page ...

Page 7: ...P 1 Installation and User Guide Release 1 8 1 RF Exposure Statement for FCC 95 Notice for Industry Canada 95 Special Thanks 95 Revision History 95 Important Information 96 HTP 1 User Manual Page 7 V1 8 1 ...

Page 8: ...f dust humidity oil smoke or combustible vapors Use only in a well ventilated area Do not use in close confined spaces Ensure that there is at least 3 of space around and above the device Prior to operation check the unit and power cord for physical damage Do not use it if physical damage has occurred Before plugging the unit into a power outlet ensure that the outlet provides the same type and le...

Page 9: ...It is designed for easy software updates using an Ethernet connection This User Guide describes version 1 7 of the HTP 1 software As a software product the HTP 1 may be updated and this user guide may also be updated Please check for updates on the info page of the HTP 1 web interface Do also read the release notes found on the info page The release note gives the latest information about what has...

Page 10: ...e network can be used to control and configure the HTP 1 The HTP 1 can be operated with no network connection if no more configuration is required A separate power amplifier or powered speakers are required A laptop or desktop computer with a web browser Mac s and PC s are supported by the Dirac Live calibration system A phone can easily access the Web GUI once initial setup is complete but a bigg...

Page 11: ...on the rear panel is in the ON position the front panel Power Button turns the unit on or puts it into standby A blue LED illuminates the power button while the unit is powering on or powering off The LED is extinguished when the unit reaches a stable state 3 Volume Knob Rotate the Volume Knob counterclockwise to decrease the volume level or clockwise to increase the volume level 4 IR Receiver The...

Page 12: ... the HTP 1 on when a 12V signal is applied The HTP 1 will go into standby mode when the trigger signal is removed Note that the Master Power Switch on the rear panel must be in the ON position for the trigger signal to turn the HTP 1 on 7 TRIGGER OUTPUTS Four 3 5mm jacks send a 12V trigger signal when the HTP 1 is powered on These triggers are typically used to power on the power amplifiers 8 HDMI...

Page 13: ...e supplemented with a diagram labeled in the software for complex speaker configurations 14 GND Screw terminal for making a ground connection to the chassis 15 POWER SECTION The POWER SECTION contains the Master Power Switch the IEC Power Connector for attaching the included AC Power Cord and a Fuse Holder Always disconnect the power cord from the power source before replacing the fuse and replace...

Page 14: ...e Volume display on the built in Web GUI Home Page 4 Upmix Selection The current Upmix Selection setting is displayed beneath the Volume on the screen The upmix is selected using the IR remote control or with the built in Web GUI The selected mode is only the desired requested upmix mode The system will perform the requested upmix mode only if it is supported The Listening Format see 8 below is di...

Page 15: ...match the requested mode See the Using Surround Modes section for details 9 Wireless If the HTP 1 is connected to a wireless connection the IP Address will be displayed in the lower right corner The sample screenshot above shows 169 254 8 119 for the wireless IP address The unit can be accessed from either IP address wired or wireless ither connection can be used HTP 1 User Manual Page 15 V1 8 1 ...

Page 16: ...ut actually changing the input which can slow things down This delayed input change only applies to this button not any of the other buttons 6 SURROUND MODES Press the buttons to select the NATIVE DTS DIRECT DOLBY or AURO 3D surround modes 7 SPDIF Press the SPDIF button to cycle forward through the digital audio inputs The cycle order is COAXIAL 1 COAXIAL 2 COAXIAL 3 OPTICAL 1 OPTICAL 2 OPTICAL 3 ...

Page 17: ... to show changes in volume 15 STRM Press the STRM button to cycle through the USB Roon and Bluetooth streaming inputs 16 ANALOG Press the ANALOG button to toggle between the two analog audio inputs 17 DIALOG Press the button to increase the DIALOG volume level or press the button to decrease the DIALOG volume level 18 MUTE Press the MUTE button to turn audio muting of all speakers on or off 19 NUM...

Page 18: ... display changes from white to red Mute can be toggled on or off by touching the Volume display on the Front Panel LCD Display using the IR remote control or by clicking the Volume display on the Web GUI Home Page 4 Volume Buttons Click the volume up and down icons to change the volume level The Volume Buttons can be replaced by a Volume Slider using a control on the SYSTEM tab on the System Confi...

Page 19: ... screen with detailed status as well as access to updates and the ability to roll back the current software installation If the button is yellow a software update is available 10 Help Click the icon to see useful information about the current tab or page The User s Manual is also accessible on the main Help screen 11 Listening Format The Listening Format is displayed beneath the Help icon and show...

Page 20: ...d from its power source 3 Connect the included Bluetooth Wi Fi Antenna to the antenna jack on the rear panel 4 Using a Cat5e or Cat6 Ethernet cable not included plug one end into the ETHERNET jack on the rear panel then plug the other end into your Wi Fi router or Ethernet switch Note that the HTP 1 supports Gigabit 1000Mbps data rates 5 Using an HDMI Cable not included plug one end into the input...

Page 21: ... put it into standby mode rather than using the Master Power Switch on the rear panel Note that the HTP 1 has a slow boot eco mode and a fast boot mode By default the unit is configured for slow boot which takes about a minute The slow boot mode uses a lower power standby mode below 500mW You can configure the HTP 1 for fast boot on the SYSTEM tab on the System Configuration screen in the Web GUI ...

Page 22: ...l be a short delay as the network system is prepared You should see your wired Ethernet connection described as illustrated on the screen shot of the front panel LCD display 6 Scroll down to the WiFi section Ensure that WiFi is enabled and that DHCP is enabled You should see your local WiFi connections listed in the left hand pane 7 Choose a connection an SSID Enter the password You can check to s...

Page 23: ...n in the upper right corner of the Web GUI Home Page to display the System Configuration screen as shown below This system configuration screen has several tabs across the top The specific functionalities and options on each tab are described in the following sections The circled question mark in the upper right of most pages brings up a brief discussion of the current page HTP 1 User Manual Page ...

Page 24: ...ples of various speaker configurations It s common to describe speaker configurations with no upper speakers using only two fields For example 5 1 is the same as 5 1 0 The speaker configuration tab which is accessed by clicking on the blue gear symbol on the homepage is a great reference for understanding various speaker layouts This is illustrated on the following page Note the speaker map link a...

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Page 26: ...on of the listener Dolby Atmos favors top speakers on the ceiling DTS X and Auro3D favor height speakers on the wall As the following section on mapping channels to speakers points out the HTP 1 uses standard compliant mapping techniques to support any of these speaker locations Speaker installation references published by Dolby and AuroTechnologies are readily available on the internet See Dolby ...

Page 27: ...e Surround Rss 90 0 90 0 DTS 7 1 Layout Left Front Height Lh 30 to 60 20 45 45 45 Right Front Height Rh 30 to 60 20 45 45 45 Left Wide Lw 50 to 70 0 60 0 Right Wide Rw 50 to 70 0 60 0 Left Side Height Top Lhs Ltm 90 20 45 90 45 wider than Atmos farther front than Auro Right Side Height Top Rhs Rtm 90 20 45 90 45 wider than Atmos farther front than Auro Left Rear Height Lhr 110 to 150 20 45 135 45 ...

Page 28: ...d or the upmixers from Auro and DTS They will all similarly split a 5 1 signal to 7 1 Top Middle vs High Side The Dolby Atmos decoder can be commanded to produce a channel pair labeled top middle If you only have two upper speakers Dolby prefers the top middle pair The DTS and Auro 3D decoders produce a pair labeled high side Both Dolby and DTS acknowledge that this pair can be placed in either lo...

Page 29: ...e main and upper levels are restricted to the following configurations Main Level Speaker Count Configuration Upper Level Options 2 Speakers L R Front 0 or 2 Speakers 3 Speakers L R Front Center 0 or 2 Speakers 4 Speakers L R Front L R Surround 0 2 or 4 Speakers 5 Speakers L R Front Center L R Surround 0 2 4 or 6 Speakers 6 Speakers L R Front L R Surround L R Rear 0 2 4 or 6 Speakers 7 Speakers L ...

Page 30: ...or top front pair only Dolby content is often authored assuming only the top middle speaker pair If only two upper speakers are available top middle is the best bet 2 High front pair only If your speakers are here then use this setting But this is not a preferred speaker arrangement 4 Top 4 ceiling mounted down firing speakers front and rear left and right This is a Dolby preferred speaker layout ...

Page 31: ... not optimally solve interactions among the subwoofers Some users rely on the Multi Sub Optimizer or MSO Find it here Multiple Subwoofers Optimize Them With Multi Sub Optimizer Software A subsequent section covers Dirac Live Bass Control in more detail Your speaker configuration needs to match the number of subwoofers you are using If you have two subwoofers you must configure the system for two s...

Page 32: ... speakers The VoG signal is routed equally to the two top middle speakers if available In a 4 configuration the VoG signal will be routed to all 4 upper speakers The CVH signal is split between the upper front signals 4 The Auro 3D speaker set is in fact high channels not top channels If you choose to install top speakers the Auro 3D high channels are mapped directly to the top speakers Dolby Atmo...

Page 33: ...speakers The speaker setup page guides you to enable speakers in supported configurations This is discussed below Setting Speaker Size Small speakers do not handle low frequency sounds well Hence surround sound systems typically use a bass management system to coax optimum performance from speakers A more detailed description of bass management is provided in a following section The Small button i...

Page 34: ...the corner frequency for each pair of speakers Ideally the corner frequency chosen on the speaker setup page is 5 or 10 hertz above the frequency at which the speaker begins to roll off That way you use the fourth order Linkwitz Riley electronic crossover provided by the HTP 1 and don t rely on the less predictable behavior of the speakers A Dolby Enabled speaker behaves like a small speaker excep...

Page 35: ...ossible though few people will be able to tell the difference if a pair of speakers labeled top front are actually high on the wall in front Dolby Enabled Speakers Dolby Enabled Speakers have two independent drivers with two independent inputs One of them points up so that the sound will reflect off the ceiling and appear to be a speaker on top A Dolby Enabled speaker must also include a filter to...

Page 36: ... show you how to connect an amplifier to the unit for various speaker configurations In the diagram the XLR connectors have been divided into two rows to make it easier to fit the information on a single page As you use all 16 channels the order of channels assigned to the back panel varies with your choice of speakers The actual assignment is displayed at the bottom of the speaker configuration p...

Page 37: ...gnment can vary with the choice of speakers Note that this picture shows the speaker mapping and not their activity If a speaker isn t enabled no sound would be produced even though it shows on the map An example of a mapping This display is most helpful when using less common speaker configurations such as 7 5 4 or 9 5 2 as the location of the subwoofer or wide channels can vary HTP 1 User Manual...

Page 38: ... 4h Speaker Configuration Upper Level On the Wall This speaker configuration uses 7 surround sound speakers 1 subwoofer and 4 height speakers The height speakers are mounted high on the walls in the corners of the listening area HTP 1 User Manual Page 38 V1 8 1 ...

Page 39: ... 1 8 1 Example 7 2 6 Speaker Configuration Upper Level On the Ceiling This speaker configuration uses 7 surround sound speakers 2 subwoofers and 6 height speakers The height speakers are mounted in the ceiling HTP 1 User Manual Page 39 V1 8 1 ...

Page 40: ...eaker Configuration Upper Level On the Ceiling This speaker configuration uses 9 surround sound speakers 3 subwoofers and 4 height speakers The upper front speakers are mounted in the ceiling The upper rear speakers are Dolby Enabled HTP 1 User Manual Page 40 V1 8 1 ...

Page 41: ...6 Speaker Configuration Upper Level On the Ceiling This speaker configuration uses 9 surround sound speakers 1 subwoofer and 6 height speakers The height speakers are mounted high on the walls in the corners of the listening area HTP 1 User Manual Page 41 V1 8 1 ...

Page 42: ...t which this bass redirection is accomplished is called the crossover frequency It is typical to use a symmetric fourth order Linkwitz Riley crossover Wikipedia gives a reasonable description of such filters The bass management system acknowledges that many speakers cannot reproduce low frequency sound It requires a physically large device to produce 30 Hz audio Subwoofers are optimized for this u...

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Page 44: ...top speakers Dolby enabled speakers have a cutoff frequency like small speakers The HTP 1 bass manager also routes the subwoofer signal through a lowpass filter The cutoff frequency of this filter is set to the highest cutoff frequency set in the speaker configuration pane If all of the speakers are large then an 80Hz cutoff is applied to the LFE channel This is not the case with the Dirac bass ma...

Page 45: ...ibration is selected It covers only 5 1 speakers Hence you see that the back speakers behave as if they were calibrated to zero They are bypassed The calibration determined a 12 1dB trim for the subwoofer The six dB of user trim shown here is one way to experiment with the sound to taste It s not something that can be defended due to the physics of the system The example system includes several Di...

Page 46: ...ensitivity Because the RCA connection is unbalanced such amplifiers typically expect a higher input voltage The HTP 1 can drive an output of up to 4 0 volts RMS into a balanced load When this control is set correctly the amplifier should clip before the HTP 1 clips and a comfortable listening level should be obtained with the volume control between 10 and 20dB on the front panel Clipping should of...

Page 47: ...ers and speakers This is quite loud You will have an idea of how close you can get 2 Setting the volume control to zero dB causes the output to drive the maximum output level using a full scale sine wave as a reference signal and having minimal digital headroom Setting the volume control above zero dB makes it possible to clip distort high level input signals This should be appropriate only for ve...

Page 48: ...em makes it easy to do a Dirac calibration and you should do such a calibration Setting up your speakers correctly is a key part of getting the best sound out of your system Dirac also offers a more sophisticated bass management system referred to as Dirac Live Bass Control This system is particularly useful when multiple subwoofers are used Dirac Live Bass Control for multiple subwoofers analyzes...

Page 49: ...sound through your speaker set 1 Download and install the Dirac Live tool https live dirac com download The current version is 3 0 2 but the exact version is not critical Use the latest version for the best results 2 Attach an appropriate and hopefully calibrated USB microphone to the computer being used to make the measurement Using the built in mic of a PC is a bad idea 3 Launch DiracLive and lo...

Page 50: ...lume to reach approximately 20dB on the scale for the channel Note that the noise plays for about 30 seconds Press play again if you need to Repeat this for each channel The volumes don t have to be all the same but they should be close If several amps are involved like with a powered subwoofer it s better to get the volumes about even using the amp volumes Note that Dolby Enabled speakers are lab...

Page 51: ...ly 7 1 2 the speakers not present are missing samples 10 The Dirac Live tool encourages you to run sweeps at multiple locations We suggest you first try a calibration with one location to become familiar with the process Then do a calibration with a full set of measurement locations for better correction 11 Proceed to the Filter Design screen and see the correction that Dirac suggests You can drag...

Page 52: ...spread 12 The groups at the right allow you to easily see one set of speakers The illustration above shows the spread between various measurements The dip at the crossover shows that more work is required to tune the crossover and the target curve HTP 1 User Manual Page 52 V1 8 1 ...

Page 53: ... project on your PC before you exit Each project contains one calibration session A project is tied to the serial number of your HTP 1 and it knows about the name of your HTP 1 A project cannot be transferred to a different serial number but you can ignore the warning that results from changing the name 16 Close the Dirac Live tool The UI locked dialog from step 6 above should close If it does not...

Page 54: ...and delay values are applied The user trims and delays are also applied Critically the detailed room correction filter is applied If a Dirac Live Bass Control filter is selected the buttons in the GUI will show Dirac On BC and the HTP 1 bass manager is disabled so that Dirac can handle the bass management Dirac Bypass The detailed room correction filter is disabled The associated delay and trim va...

Page 55: ... up the tip of the mic should be at ear level and the 90 degree calibration file should be used While taking a single measurement for the Dirac calibration can be useful for testing purposes it will not give Dirac enough information to produce a calibration result that sounds good it may sound dry and dull The more data Dirac is given the better the results end up being While the sliders on the Di...

Page 56: ...very accurate and quite simply executed Users who are familiar with the manual calibration process are directed to the calibration page where delay and trim values can be entered The details of a manual calibration are not covered here Set delay using 1 millisecond per foot Set trim using an SPL meter and a pink noise source from a common blue ray disk Calibrating for Higher Sample Rates The Dirac...

Page 57: ... has evolved Newly created filters will be stored in an updated format Existing filters are still recognized If you upgrade and create new calibration filters and then downgrade the HTP 1 software below the version 1 7 the new filters may be overwritten as unrecognizable There is a way to save and restore your Dirac filters without relying on the Dirac Live tool Enter this hidden URL to trigger a ...

Page 58: ...r layout with a 5 1 calibration will result in the two extra subs getting copies of the first sub This again is not optimal And using a 5 4 speaker configuration with a 5 3 calibration will result in the fourth sub getting a copy of the first sub This can be useful to drive a non speaker transducer like a seat shaker A DLBC Tour Open the Dirac Live Tool The most current version today V3 04 is pref...

Page 59: ... asterisk The Dirac Live system handles speaker dependent delays up to 35ms This translates to a maximum difference in the distance from the listener to each speaker of about 35 feet or 10 7 meters If the calibration of the room results in a greater delay the actual applied delay may be zero Consider this if you wish to calibrate for a very large room HTP 1 User Manual Page 59 V1 8 1 ...

Page 60: ...tor using the on off button at the top of the page The subwoofers are a special case Their behavior is different depending on whether the HTP 1 bass manager or the Dirac bass manager is engaged When the HTP 1 bass manager is engaged and Dirac is not the bass manager is turned off and each subwoofer receives an independent signal You cannot generate independent subwoofer signals when the Dirac bass...

Page 61: ...ignals is calibrated to be at 30dB below full scale RMS The main channel spectrum looks something like you see to the left The left and right hand sides of the spectrum are 4th order band limiting filters The slope downward from 400 to 2000Hz is the pink spectrum falling off as 1 f The spectrum of the subwoofer signal is illustrated here It is quite different from the main speaker spectrum It is s...

Page 62: ...asier to hear if you are just listening Polarity Pulse The polarity pulse is an upward going tick presented about once per second This can be helpful in checking the phase of speakers Left signal as input Right signal as input Here the left or right input channel is taken as the input to the signal generator and routed to the selected channel This allows you to supply any test signal to the system...

Page 63: ...HTP 1 Installation and User Guide Release 1 8 1 Sine Wave A sine wave can also be chosen as the signal HTP 1 User Manual Page 63 V1 8 1 ...

Page 64: ...agram from the Wikipedia article on equalization shows the type of responses you can achieve with PEQ sections The equalization page presents tone controls and parametric EQ The HTP 1 includes a simple interface to these features Up to 16 bands of parametric EQ are supported with settings per channel This fine grained control can be used to tune a room Note the availability of high shelf and low s...

Page 65: ...irac calibration PEQ is NOT automatically disabled during a Dirac calibration Alternatively PEQ can be used as pre compensation to make Dirac s job a bit easier This is an advanced technique often used in professional situations HTP 1 supports it but you must be careful This requires PEQ to run before Dirac The distinction is actually whether PEQ is enabled while the Dirac Live calibration is run ...

Page 66: ...uts as below Perform the following steps to choose a set of inputs useful to you Before we configure your active inputs it s good to be aware of a quick way to select any input On the Web GUI Home Page click the Active Input in the upper left corner The system will show all of the possible input as shown in the image below Note that custom names are not displayed here You can click on any one of t...

Page 67: ...ttings dialog and choose the INPUTS pane In the Labels column type in the name that you would like to see displayed on the front panel for a given input You can choose to make up to nine inputs available for quick selection from the homepage To make an input visible on the homepage select the Visible on Home Page toggle switch The first nine selections will be visible on the homepage HTP 1 User Ma...

Page 68: ...u prefer only a 2K signal BlueTooth devices are connected on this page Bluetooth is described in the CONNECTIVITY section Watch Video with Other Audio If you select a video HDMI input and then select a non video input analog or SPDIF etc the initially selected video will continue to be displayed while the new audio is played There is no way to watch video from one HDMI source and listen to audio f...

Page 69: ... first 2 If you know that this source always produces PCM and you get drop outs or miss the beginning of sounds you might try the biased setting if the indicated setting doesn t work We have noticed that a YouTube recording of a news show including a discussion over Skype caused the automatic detector to find runs of zero data and mute 3 If you know that this source always produces PCM and you mis...

Page 70: ... the bass management on the speaker setup page Dolby Atmos A Dolby Atmos stream is presented in its native format Proprietary surround modes cannot be applied to an Atmos stream mono and stereo can be This mode cannot be requested DTS X A DTS X stream is presented in its native format Proprietary surround modes cannot be applied to a DTS X stream mono and stereo can be This mode cannot be requeste...

Page 71: ...r speakers are present the Auro Matic effect is configured a Auro 2D Native When native mode is selected HTP 1 uses the upmixer native to the decode format The actual upmixer depends on the input signal Dolby signals will be processed with Dolby Surround DTS signals will be processed with Neural X Auro 3D encoded signals will be decoded PCM Atmos and DTS X signals will be passed through All channe...

Page 72: ...inforcement The bass reinforcement feature gives you more bass if you have both large speakers and program material with an LFE channel Bass reinforcement will have no effect on typical stereo material as there is no LFE signal It will have no effect if there are no large speakers in the system It will have no effect if there is no subwoofer in the system The switch to enable it is found on the so...

Page 73: ...all of their dynamic range compression features giving the most contrast between loud and soft sounds The subwoofer is not attenuated Dialog Enhancement Some users enjoy movies more if they can hear the dialog better The DTS X coding system includes a means to control the dialog explicitly The DTS Dialog indicator is displayed when this feature is available When the content does not have DTS Dialo...

Page 74: ...gher number means there will be more loudness bass as the volume goes down A lower number decreases the amount of bass boost The range is 50 to 90 Bass boost matching the known curve is added slowly as you lower the volume Hence there will be no effect at high volumes with more and more bass added as you lower the volume This graph shows the frequency response at various levels A high pass filter ...

Page 75: ...ac into an otherwise empty calibration slot or you can use the Dirac Bypass setting Ensure that the maximum output voltage formerly amplifier sensitivity on the calibration page is set correctly The best dynamic range SNR will be achieved when the output is set to match the amplifier and the HTP 1 volume is at maximum for the amplifier The HTP 1 uses a high quality analog volume control It also re...

Page 76: ...The system has been tested to work well with common browsers Setting up ARC eARC and CEC The HTP 1 supports ARC Audio Return Channel and the newer eARC Enhanced Audio Return Channel The ARC eARC channel is used to return audio from the TV to the amplifier The main difference between ARC and eARC is that eARC can support the transport of higher fidelity audio formats such as Dolby TrueHD and DTS HD...

Page 77: ... that supports ARC eARC Be sure to connect the output of the HTP 1 marked ARC eARC to that ARC or ARC eARC capable input Failure to use this connection is the most common problem with ARC eARC setup CEC Settings To access the CEC settings click the gear icon on the Web GUI Home Page then click the CONNECTIVITY tab By default CEC should be turned off The button next to the CEC label shows the curre...

Page 78: ...is alternate TV input is going to be used be sure to connect up the proper cable from the TV audio output to the desired HTP 1 input that is selected here TV Audio Priority The HTP 1 has three ways to pick up audio from the TV eARC ARC or the Alternate user defined input The priority of using these three options is eARC ARC Alternate When TV is shown as the current input on the HTP 1 home page the...

Page 79: ...e the TV speaker settings to select the Amplifier to render audio This will result in the TV sending a command to the HTP 1 to turn on System Audio and informs the HTP 1 where to pick up audio from On the HTP 1 home page below the TV Audio message is a button that has the text CLICK TO RETURN TO HTP 1 AUDIO Pressing this will trigger the HTP 1 turn on System Audio Selection of an audio only source...

Page 80: ...can for networks select your network and enter the password You must press the Apply Network Settings button for these changes to take effect Once you have joined the Wi Fi network you can unplug the wired connection and use the Wi Fi IP address to access the Web GUI Home Page Dirac and Wi Fi Note that third party tools like the Dirac Live calibration program may not find the HTP 1 if both network...

Page 81: ...you are comfortable with and then press discovery This allows your phone to see the unit for pairing for the specified time Your mobile device should now be able to see the HTP 1 and pair The typical pairing dialog is displayed If you are pairing with the HTP 1 and at the same time using your mobile device s web browser to control the HTP 1 you ll find that switching back and forth clears the pair...

Page 82: ...oon and Bluetooth When fast start is off the unit will turn off to a very low power state CEC features like automatic power on will not work in the low power state The system starts much more quickly in fast start mode Video pass through when HTP 1 is off only works in fast start mode When the unit is in fast start mode powering down from the remote or front panel fully reboots the DSP The initial...

Page 83: ...ion engine Several options are available for the volume control The home page volume control can either be the default pair of buttons or a slider The option of both gives you a slider with four buttons below it The outer buttons raise and lower the volume by several dB The inner buttons by one dB The buttons are particularly appropriate if you have problems with the slider letting volume jump aro...

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Page 85: ...port team to enable more logging of specific events Monoprice is pleased to provide free live online technical support to assist you with any questions you may have about installation setup troubleshooting or product recommendations If you ever need assistance with your new product please come online to talk to one of our friendly and knowledgeable Tech Support Associates Technical support is avai...

Page 86: ...ome Page there is a switch setting for every HDMI input titled UHD Capable Setting a switch to the off position will remove information from the EDID that can cause problems for these legacy devices In technical terms the HDMI Forum Vendor Specific Data Block is removed along with video timing formats defined in HDMI 2 0 that are found in the Short Video Descriptor block This change in the EDID ta...

Page 87: ...ause HTP 1 to turn on If you use the trigger input you should not use the remote or the front panel to turn the unit on or off as the trigger input takes precedence The trigger outputs can source 50mA at 12V They are enabled when the HTP 1 is turned on The trigger outputs are over current protected by a thermistor Using Roon The HTP 1 directly supports Roon It is a Roon Ready device Roon provides ...

Page 88: ...stem to have the latest official release The update process can take several minutes depending on what has changed The unit reboots when the update is complete User settings are preserved You are encouraged to click on Release Notes to see what features have changed in this release as well as what problems are known The history link allows you to see a selection of software releases and choose one...

Page 89: ...for diagnostic support One of these is an option to provide feedback on your system Entering http YOUR_IP feedback in your browser brings up a web form to provide feedback This feedback is anonymous unless you choose to volunteer a contact address It is optional This feedback form is not a customer support request Consider it a suggestion box You might also use this form to volunteer to be a beta ...

Page 90: ...lexa The Detailed Status page provides a link to register your Alexa device with the Amazon Device Cloud Alexa support should be considered preliminary and avid Alexa users might want to consider becoming a beta tester HTP 1 User Manual Page 90 V1 8 1 ...

Page 91: ...ideo Resolution 4K 60Hz UHD Audio Performance THD N 106dB at 1 8Vrms 20 20 kHz AES17 Dynamic Range 116dB 4Vrms 20 kHz BW A weighted Frequency Response 20 20 kHz 1 0 2 dB Supported Audio Codecs Dolby Atmos Dolby TrueHD Dolby Digital Dolby Surround DTS X DTS Neural X DTS HD Master Audio Auro 3D Auro Matic Crossover Variable 4th order Linkwitz Riley Room Correction Equalization Dirac Live licensed wi...

Page 92: ...HTP 1 Installation and User Guide Release 1 8 1 Signal Processing Flow This diagram gives a rough idea of the signal flow inside of the HTP 1 HTP 1 User Manual Page 92 V1 8 1 ...

Page 93: ... 41be BT Pair 59a6 Preset 3 05fa Dialog Down 42bd HDMI 4db2 Preset 4 06f9 Dirac Toggle 47b8 SPDIF 4eb1 Info 43bc BT Pair 59a6 Analog 4fb0 Dim 45ba Loudness Toggle 5aa5 Stream 50af Note that only the Volume Up and Down keys support the standard NEC repeat code for repeating these keys All other keys do not support key repeat The second table lists other codes recognized by the HTP 1 Function NEC Co...

Page 94: ... JSON string of the current system status This is an advanced feature that may be useful for automation and control Note that some properties are self evident about their meanings but some internal properties are not documented they are to be ignored Third Party Applications A number of third parties have added support for the HTP 1 These are discussed in the HTP 1 section of the AVS forum Two tha...

Page 95: ...nger complying with FCC requirements for Class B digital devices In that event your right to use the equipment may be limited by FCC regulations and you may be required to correct any interference to radio or television communications at your own expense This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits...

Page 96: ...l thank you to all of our beta testers and especially to Timo Revision History v0 1 Initial version provided from the help menu v0 4 Initial public posting v1 1 Updated for software release 1 1 v1 3 Updated for software release 1 3 Search for the italicised terms Partial reset Trim and headroom guidance Dirac tips from AVS Not finding Dirac dim feature Watch Video with Other Audio privacy disclosu...

Page 97: ...e are registered trademarks of Dirac Research AB The Bluetooth word mark and logos are registered trademarks of Bluetooth SIG Inc Wi Fi and Wi Fi Alliance are registered trademarks of Wi Fi Alliance HDMI the HDMI Logo and High Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries HDCP is a trademark of Digital Content...

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