User Manual for USB DAC
Contents
1. Delete file C Program Files XMOS USBAudioStDriver _302D custom ini Delete file C Program Files XMOS USBAudioStDriver_302D xmosusbaudiost302D_cp Delete file C Program Files KXMOS USBAudioStDriver_302D xmosusbaudiost302D_df Delete file C Program Files KMOS USBAudioStDriver_302D xmosusbaudiost302D_df Delete file C Program Files XMOS USBAudioStDriver_302D xmosusbaudiost302D_ cp Delete file C Program Files XMOS USBAudioStDriver _302D uninstall exe Delete file C Program Files XMOS USBAudioStDriver_302D setup ini Delete file C Program Files XMOS USBAudioStDriver_302D setup bmp Remove folder C Program Files XMOS USBAudioStDriver_302D Completed Cancel Figure 10 Click on Next to proceed The window shown in figure 11 will appear Click on Finish to terminate the uninstall program Completing the USB Audio 2 0 Stereo Driver v2_ 23 0 Uninstall MULTICORE MICROCONTROLLERS Wizard USB Audio 2 0 USB Audio 2 0 Stereo Driver v2 23 0 has been uninstalled stereo driver from your computer Click Finish to dose this wizard The ultimate in USB Audio Cancel Figure 11 Configuring Windows to use Triode 25 as predefined output peripheral Some players as Windows Media Player use the system predefined audio peripheral Some streaming services too which rely on the browser do the same In these cases it is necessary to choose the Triode 25 as predefined audio peripheral To do that the user2. MULTICORE MICROCONTROLLERS USB Audio 2 0 stereo driver Click Finish to complete the installation GI The ultimate in USB Audio Figure 7 Uninstalling the Windows driver It may be necessary for certain reasons to uninstall the driver The uninstall process can be started in two ways by opening the applications installation utility and selecting the driver for uninstall or by accessing the driver folder and starting the uninstall program Either way the window shown in figure 8 will appear Welcome to the USB Audio 2 0 Stereo Driver v2 23 0 Uninstall MULTICORE MICROCONTROLLERS Wizard USB Audio 2 0 This wizard will remove USB Audio 2 0 Stereo Driver v2 23 0 stereo driver from your system Click Uninstall to proceed The ultimate in USB Audio Figure 8 Click on Uninstall to launch the drive uninstall process The window shown in figure 9 will appear in which a progress bar will show the uninstall progress Uninstalling Please wait while USB Audio 2 0 Stereo Driver v2 23 0 is being uninstalled This may take some time to complete Please wait Execute C Program Files XMOS USBAudioStDriver_302D xmosusbaudiost302D_ cpl Waiting Uninstalling drivers This may take some time to complete Please wait Cancel Figure 9 At uninstall completion the window will be as in figure 10 to announce the uninstall success Uninstallation Complete Uninstall was completed successfully
3. USB controller to properly recognize it Then click on Next button One the installation program has checked the presence of the Triode 25 USB input on the USB bus the window shown in figure 3 appears Please review the license terms before installing USB Audio 2 0 Stereo Driver v2 23 0 Press Page Down to see the rest of the agreement End User Licence Agreement BY ACCESSING USING INSTALLING OR DOWNLOADING the XMOS Software YOU AGREE TO BE BOUND BY THE FOLLOWING TERMS IF YOU DO NOT AGREE TO THESE DO NOT ATTEMPT TO DOWNLOAD ACCESS OR USE THE XMOS Software 1 Agreement This is an agreement Agreement between You and XMOS Limited having its registered office at 107 Cheapside London EC2V 6DN hereinafter referred to as XMOS If you are entering into this Agreement on behalf of another legal entity such as a company Y If you accept the terms of the agreement dick the check box below You must accept the agreement to install USB Audio 2 0 Stereo Driver v2 23 0 Click Next to continue Figure 3 The use must accept the license agreement terms by clicking on the checkbox in the lower left of the window as already happened in figure 3 then click on Next button The window shown in figure 4 will appear in which the user may if necessary indicate a path for driver installation Choose Install Location i Choose the folder in which to install USB Audio 2 0 Stereo Driver v2 23 0 PB Setup w
4. display from turning off useful for HDMI audio v Track Change Switch tracks Cross fade aggressive 4s G A Do not play silence maam and trailing P Use gapless for sequential album tracks B Podcast f v Stop Seek amp Skip gt j Remote Control iy Seek Smooth normal Stop Fadeout fast Pause Fade fast cu Jump behavior Forward 30 seconds backward 10 seconds v Volume gi Theater View pm EY Caa N P w Volume mode System Volume lia Tree amp View L Volume Protection k5 Video NOTE Changes take effect once playback is stopped Cancel Figure 18 Then open the configuration window of output mode Output mode settings that is obviously devoted to ASIO and select the XMOS USB ASIO 2 0 ST302D driver as shown in figure 19 Casio settings EOC Device XMOS USB Audio 2 0 ST 302D Channel offset 0 More Skip 0 50 seconds More Resistant Responsive Channel offset determines which outputs to use on the selected device Try different values 0 2 4 etc Use large hardware buffers recommended to prevent stutter until the audio is routed to the desired output NOTE Increasing buffering makes playback more skip resistant but Channel swap None ka also increases latency the time it takes for pause seek volume DSP etc to take effect Volume ASIO device names do not always match Windows device names Please select the corresponding Windows device for volu
5. needs to access the Audio configuration utility in the Control Panel A window with various tabs will appear figure 12 Select the Playback tab to access the list of available output peripherals Select XMOS USB Audio as predefined device as already done in figure From that moment on all sounds made or handled by Windows including the ones from the browser and from players relying on the system to deliver audio will be sent to the Triode 25 Riproduzione Registrazione Suoni Comunicazioni Per modificare le impostazioni di un dispositivo di riproduzione selezionarlo dall elenco seguente Altoparlanti Realtek High Definition Audio Non collegato Cuffie Realtek High Definition Audio Non collegato Realtek Digital Output Realtek High Definition Audio Pronto Realtek HDMI Output Realtek High Definition Audio Pronto Altoparlanti XMOS USB Audio Dispositivo predefinito Configura Predefinito v Propriet Figure 12 The system in a similar way as happens with OSX resamples the signals to make their sampling frequency same as a certain value chosen by the used To choose the output sampling frequency it is necessary to access the properties of the selected peripheral in this case the Triode 25 and show the advanced properties as shown in figure 13 A drop down menu will allow for choosing the desired sampling frequency between 44 1kHz and 192kHz the latter being the highest sampling frequency
6. Bar main folder the ASIO file which is downloaded from FooBar website is an auto installing program which automatically installs the DLL in the right folder without any user action It is sufficient to double click on the downloaded file Once this operation is done the user can launch FooBar and access the Preferences window by clicking the CTRL P keys combination or by the specific File menu item Then select the output item which will show an ASIO sub item the windows shown in figure 14 will appear Device ASIO XMOS USB Audio 2 0 ST 302D Buffer length I vr y EE j ca i giu vel Output format Output data ror Output data format will be chosen automatically for the selected device Figure 14 Select ASIO XMOS USB ASIO 2 0 ST302D in the drop down menu called Device FooBar is already capable of using the Triode 25 USB input as output device in ASIO mode to playback bit perfect PCM audio up to 384kHz and 32 bits It s now necessary to setup FooBar to playback DSD files To this purpose the user needs to install another DLL the one for SACD compatibility that can be downloaded from http sourceforge net projects sacddecoder files latest download on Sourceforge website The zip archive contains two executable files both to be used one to install the component for SACD ISO files compatibility and one proxy file to send DSD to compatible audio devices through their A
7. Oma iv Mostra volume nella barra dei menu Figure 23 The user must select the Unison USB DAC 1 peripheral to send her his computer s audio to the Triode 25 USB input The OSX operating system allows for choosing the sampling frequency of the audio signal sent to the Triode 25 USB input This can be done through the MIDI Control Panel as shown in figure 24 Whichever the sampling frequency of the tracks listed in the playlist being played back the player does a sample rate conversion to obtain an output stream with the chosen sampling frequency 800 Dispositivi audio Microfono integrato 2 ingresso 0 uscita UNISON USB DAC 1 Ingresso integrato Sorgente clock UNISON RESEARCH Internal Clock u Uscita integrata Ingresso i J ingresso 2 uscita ue UNISON USB DAC 1 0 ingresso 2 uscita Sorgente Default Formato 44100 0 Hz v 2can 16bit Num interi Canale Volume Valore dB Muto Master i 1 0 l An n 1 0 2 An 1 0 Configura altoparlanti Figure 24 This may not be desirable with the user wants to listen to the a playlist made of different sampling frequencies files and doesn t want the system to perform a real time sampling rate conversion In this case a player capable of disabling this system feature must be used Many such players are available both free and commercial Configuring a player under Apple OSX Audirvana Audirvana is a last generation player which allows for l
8. SIO compatible driver One such device is the Triode 25 USB input After installing DLL and proxy two ASIO objects will appear in the ASIO section of Output figure 15 the Unison driver and the proxy foo_dsd_asio Double click on foo _dsd_asio to make the configuration window appear Set parameters as in figure FooBar is now ready to send DSD streams from DSD files to the Triode 25 USB input Preferences ASIO Components ASIO drivers b Display i Keyboard Shortcuts gt Media Library foo_dsd_asio XMOS USB Audio 2 0 ST 302D ASIO Driver XMOS USB Audio 2 0 ST 302D DSD Playback Method Dop Marker 0x05 0xFA i Shell Integration gt Tools Advanced DSD to DSD Method None Fs pspe4 Yv PCM to DSD Method None v DsD64 DSD PCM Transition 10 ms This feature allows you to configure alternate channel mappings for your ASIO enabled soundcards You may need to dose and re open the foobar 2000 preferences dialog for your newly added mappings to appear as output devices in the output page Reset all Reset page o Cancel Apply Figure 15 For best operation of the player with DSD files it is advisable to setup the SACD tool as shown in figure 16 ASIO Driver Mode PCM Volume PCM Samplerate DSD2PCM Mode Load Save refer es _ Editable Tags Store Tags With ISO _ Edited Master Playback Figure 16 Moreover i
9. Using the USB input The Triode 25 USB input uses a last generation D A converter capable of converting PCM signals up to 384kHz and DSD up to 5 6448MHz that is all formats and sampling frequencies available today To use the input the user needs to connect the Triode 25 to a computer with Windows OSX Mac or Linux operating system and follow the instructions below Even some Android based devices with certain players able to drive an USB device without the need for an additional driver user space mode and some iPads provided with the Camera Connection Kit can drive this input In case of small size portable devices we recommend to check the current capability of their USB port as it must fulfil the Triode 25 USB input requirement 300mA Using the Triode 25 USB input with a computer provided with a Microsoft operating system Supported versions are Windows 7 and later When using with a computer provided with Windows operating system it is necessary to install the driver that can be downloaded from www unisonresearch com Installing Windows driver Before proceeding with installation it is necessary to switch the Triode 25 on and connect it to the computer using an USB cable To start driver installation it 1s sufficient to double click on the icon of the file downloaded from Unison Research website Once started depending on the operating system version the user could be asked to confirm the permission to the program to modify the syste
10. ample rate for each input sample C Room Correction rate Right click to set all at once C Convolution C Parametric Equalizer 2 Channels Source number of channels Input Output Less than 44 100 Hz No change 44 100 Hz No change Mixing 48 000 Hz No change 88 200 Hz No change 96 000 Hz No change 176 400 Hz No change Analyzer Subwoofer more info 192 000 Hz No change l Processed in order listed drag to Greater than 192 000 Hz No change v When source has no subwoofer CD audio etc and Channels reorder selection includes a subwoofer Manage Plug ins Clip protection Peak Level n a Figure 22 JRiver configuration is done and the user may now listen to PCM files up to 384kHz and DSD files up to DSD128 Using the Triode 25 USB input with an Apple computer The Triode 25 UPS input complies with USB Audio Class 2 0 specification therefore it s natively supported by OSX operating system since 10 6 8 version and doesn t need any driver The Triode 25 USB input is recognized by any Apple computer as soon as it s connected to one of its USB ports and is listed amongst the output audio devices as shown in figure 23 F 0 OE Suono Effetti sonori Ingresso Scegli un dispositivo per l uscita audio Nome Tipo Auricolari Porta auricolari UNISON USB DAC 1 USB Impostazioni per il dispositivo selezionato Bilanciamento Coe jp Sinistra Destra Volume di uscita a A
11. e rate limit No Limit Spl rate switching latency None For bridge devices connected to a DAC cp hes Figure 25 Connecting to a Linux computer No driver is needed with a computer provided with Linux operating system and ALSA module as ALSA natively supports USB Audio Class 2 0 To use the Triode 25 USB input with a computer provided with Linux operating system it is sufficient to access the audio configuration panel and select the UNISON USB DAC 1 peripheral in the Output section as shown in figure 26 Audio Tutte le impostazioni Audio Escludi audio Consentire superamento del 100 Uscita Ingresso Effetti sonori Applicazioni Riproduci suono tramite Impostazioni per Uscita analogica si Output digitale S PDIF Bilanciamento Audio interno Sinistra Destra g Uscita analogica Audio interno _ Uscita analogica UNISON USB DAC 1 Suono di prova Mostrare il volume nella barra dei men Figure 26 Configuring a player under Linux Audacious Of course even with Linux it could be necessary to select the Triode 25 USB input as predefined audio output peripheral As an example the configuration for the Audacious widely used under Linux is shown As displayed in figure 27 the user needs to access Audacious preferences and select ALSA output Then the user must click on Preferences right below the drop down menu for output selection the window shown in the lower port
12. gs Advanced Figure 20 A window will automatically appear in which the user can manually set the bitstream configuration parameters figure 21 Set parameters as shown in figure Bitstreaming Formats Dolby Digital AC3 WV Dolby Digital Plus E AC3 Dolby TrueHD DTS DTS HD M DSD C DSD over PCM DoP DoP Format DoP 1 0 OxFA 0x05 Cancel Figure 21 The configuration procedure is almost done it s still necessary to tell JRiver not to downsample data stream with sampling frequency more than 192kHz feature that s usually enabled to correctly drive all DAC s the can handle no more than 192kHz still the majority on the market Of course this would impede the correct DSD128 decoding as this is same as a 352 8kHz PCM stream Access the DSP and output menu item and set the parameter about handling of files with sampling frequency more than 192kHz as in figure 22 DSP Studio Output Format Output Format C Volume Leveling Playback stopped or current playback doesn t support processing F Equalizer C Parametric Equalizer C Effects p z Sample rate more info Channels more info C Headphones P UTOre INTO More INTO Sound can be output in any format For example you can listen to an audio CD in 5 1 surround at 32 bit 192 kHz Advanced settings like multi channel output or high sample rates require a sound card capable of these modes O Tempo amp Pitch Click in the output column to select a s
13. ill install USB Audio 2 0 Stereo Driver v2 23 0 in the following folder To install in a different folder dick Browse and select another folder Click Install to start the installation Figure 4 Once the installation path is chosen or confirmed the user needs to click on Install button to proceed with the driver and ancillary components installation The window shown in figure 5 will appear in which a progress bar will show the installation process progress Please wait while USB Audio 2 0 Stereo Driver v2 23 0 is being installed FB This may take some time to complete Please wait EEE _g Preparation Preparing installation This may take some time to complete Please wait Figure 5 Once the file copy and the system update is completed the window will announce the installation completion as shown in figure 6 Installation Complete Setup was completed successfully Execute regsvr32 s C Program Files XMOS USBAudioStDriver_302D xmosusbaudi A Execute regsvr32 s C Program Files XMOS USBAudioStDriver_302D xmosusbaudi Create shortcut C ProgramData Microsoft Windows Start Menu Programs XMOS U Preinstalling drivers This may take some time to complete Please wait Figure 6 Click on Next to proceed The window shown in figure 7 will appear Click on Finish to terminate the installation program xX MO S Completing the USB Audio 2 0 Stereo Driver v2 23 0 Setup Wizard
14. ion of figure 27 will appear Set its various parameters as shown in figure Impostazioni di uscita Audio Uscita ALSA Plugin di uscita a Rete Preferenze Informazioni JJ Playlist Profondita dibit 16 O Dimensione del buffer 500 Info Brano g Clipping leggero es Plugin _ Utilizza controllo volume software non raccomandato Replay Gain Abilita Replay Gain Modalit album Evita il clipping raccomandato Regola i livelli Amplifica tutti i file 0 0 dB Amplifica i file senza tag 0 0 er dB Audacious 3 4 3 Ubuntu package Chiudi Preferenze del plugin di uscita ALSA Dispositivo PCM hw CARD U1 DEV 0 UNISON SELE 1 USB Audio i Direct hardware device without any conversions Dispositivo mixer default Dispositivo mixer predefinito Elemento mixer Master Aggira interruzione per esaurimento risorse Chiudi Figure 27
15. istening to DSD files with DSD compatible devices such as the Triode 25 USB input To use Audirvana at best it s sufficient to set the various options as shown in figure 25 Audirvana Preferences n Ay Au 1 me General Audio System Audio Filters Audio Volume AudioUnits SysOptimizer iTunes Preferred Audio Device UNISON USB DAC 1 Change Active Audio Device UNISON USB DAC 1 44 1 48 88 2 96 176 4 192 384 0 DSD64 DSD128 Stereo 00 Playlist Native DSD Capability DSD over PCM standard 1 0 Title Album Composer Duration U3 VI Tire DIUTSI DIULITCIS VI Clie SUITE The Blues Brothers 05 Soul Man wav 03 05 Low level playback options The Blues Brothers 15 Flip Flop And 03 25 t V Exclusive access mode SAD J i The Blues Brothers 06 Soul Finger wav 01 45 Direct Mode Integer mode if avail on device The Blues Brothers 07 Messin With 02 55 Integer Mode Mode 1 The Blues Brothers 01 Opening I Ca 01 53 The Blues Brothers 01 Shake A Tail F 02 50 Maximum memory allocated for tracks pre load The Blues Brothers 02 Everybody Ne 03 23 7 168 MB The Blues Brothers The Old Land 02 59 i The Blues Brothers 03 Theme From 02 39 177mn 44 1kHz 20mn 384kHz The Blues Brothers Minnie The M 03 24 The Blues Brothers Think wav 03 15 The Blues Brothers Sweet Home C 07 53 The Blues Brothers 06 Jailhouse Rock 03 21 Max sampl
16. m Give confirmation Once this operation when required is performed the window in figure 1 will appear X MO S Welcome to the USB Audio 2 0 I YANAY Stereo Driver v2 23 0 Setup Wizard MULTICC USB Audio 2 0 This wizard will guide you through the installation of USB wi y stereo driver Audio 2 0 Stereo Driver v2 23 0 It is recommended that you close all other applications wo before starting Setup This will make it possible to update 9 relevant system files without having to reboot your v computer i o Click Next to continue The ultimate in USB Audio Figure 1 Follow the instructions shown in the window and click on Next button to launch installation At first the installation program will check that the Triode 25 USB input is connected to the computer Whenever the connection is not made or when the computer doesn t recognize the Triode 25 USB input the window shown in Figure 2 will appear Welcome to the USB Audio 2 0 Stereo Driver v2 23 0 Setup Wizard MULTICORE MICROCONTROLLERS USB Audio 2 0 e Setup requires that the device is plugged in Please stereo driver connect the device you want to install and make sure it is turned on If your device is currently connected please unplug and replug it The ultimate in USB Audio Figure 2 Should this happen 1 twill be necessary to connect the Triode 25 USB input to the computer or to disconnect it and reconnect it to allow the
17. me control Tools Open Driver Control Panel Volume device Automatically try to choose at playback time ka Play silence on pause instead of performing a hardware level pause Device uses only most significant 24 bits Lynx etc Figure 19 JRiver is now able to handle DSD by the DoP DSD over PCM format From the drop down menu that shows up clicking on Bitstreaming item select the Custom value as shown in figure 20 Pj j Cl 2 e Audio Audio Output J Buming vi Output mode ASIO Output mode settings amp cv DvD amp BD Settings FA DSP amp output format P File Location r Bitstreaming Yes DSD over PCM DoP File Types General Encoding je synchronization None NUM disk not zone specific G Handheld Custom 1seful for HDMI audio Images Track Change fi Library amp Folders RI Switch tracks Cross fade aggressive 4s amp Media N rk Do not play silence leading and trailing O etwo Use gapless for sequential album tracks Stop Seek amp Skip N Remote Control EJ Seek Smooth normal X Podcast Services RI Stop Fadeout fast 9 Pause Fade fast 4 Startup e Jump behavior Forward 30 seconds backward 10 seconds w Television Volume 2 Theater View KI Volume mode Internal Volume fF Tree amp View HI Volume Protection Video Maximum volume 100 Internal volume reference level 100 E Loudness Alternate Mode Settin
18. t is necessary to select the DSD proxy as output device to listen to DSD files as indicated in figure 17 Components Device gt Display Keyboard Shortcuts ASIO foo_dsd_asio gt Media Library Networking Buffer length 4 Playback i i DSP Manager 4 Output 50 ms i i Warning setting too low buffer length may cause some visualization effects to stop working Shell Integration 4 Tools po Output format Output data format Dither Output data format will be chosen automatically for the selected device Reset all Reset page Figure 17 Configuring a player under Windows JRiver Media Center JRiver Media Center www jriver com is a commercial player therefore is a closed solution and provided from the scratch with all necessary features to support the various audio transfer modes and audio formats As with FooBar we won t go through the program installation Access JRiver options window and select ASIO as Output mode in Audio figure 18 CD DVD amp BD ka Encoding 28 File Location File Types a General B Handheld KS Images D Library amp Folders v Audio Output iv Output mode ASIO r Output mode settings v Settings sue DSP amp output format r Bitstreaming None recommended fa Prebuffering 6 seconds recommended vl Play silence at startup for hardware synchronization None LJ Play files from memory instead of disk not zone specific _ Disable
19. which Windows can handle Please note that an ASIO compatible player is needed when the user wants to use the Triode 25 USB input with sampling frequencies higher than 192kHz as Windows is unable to handle such high sampling frequencies Generale Livelli Caratteristiche avanzate Avanzate Formato predefinito Selezionare la frequenza di campionamento e la profondit in bit da utilizzare nell esecuzione in modalit condivisa 16 bit 44100 Hz Qualit CD y P Prova Modalit esclusiva Consenti alle applicazioni di assumere il controllo esclusivo del dispositivo Attribuisci priorit ad applicazioni in modalit esclusiva Ripristina predefinite Figure 13 Configuring a player under Windows FooBar 2000 FooBar www foobar2000 org is able to operat with all modes compatible with the Triode 25 USB input Direct Sound Kernel Streaming WASAPI e ASIO The installation of the program is beyond this manual scope we ll explain how to configure it to operate in ASIO mode which is the optimum solution to use with the Triode 25 USB input Foobar offers ASIO support through the installation of a specific DLL It must be downloaded from the Components section of FooBar website from the following link http www foobar2000 org components view foo out asio NOTE unlike many other FooBar DLL s which are contained in a zip file and therefore must be manually extracted and copied in the Components subfolder into Foo
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