First of all, thanks Triode for this great applet. I'm new owner of Audio-gd NFB-1.32 DAC.
Because this DAC sounds better when connected by USB I tried your applet. Installation was very easy. So far I only played 16/44 files and have not noticed any problems. But checking information about USB device in settings (that is provided by EDO applet) I got information that is operating in adaptive mode. As I understand in this mode SBT is master (and his clock) when sending digital audio to DAC. My DAC is with the upgrade for USB clock (additional TCXO clock). So going to asynchronous mode and using this TCXO clock should be a better solution for sound quality. Audio-gd advertise this DAC as asynchronous so it seems that USB chip VIA Vinyl Audio VT1731 should be compatible with the asynchronous mode. http://www.via.com.tw/en/products/audio/usb/vt1731/index.jsp So after reading posts from this topic I tried to get more info from SBT. I used WinSCP (I'm a Windows user) to connect to SBT. For anyone who would like to use this software there is some hint. Often, I received an error message connected with ssh and groups. Here is the solution: go to folder /usr/bin press Shift+F4 for creating new file, name it groups in editor past following code #!/bin/sh echo "root" save, close editor, when folder will be updated with new file, go to the properties under right click mouse menu on this groups file and put 0755 as access rights or you can invoke console Ctrl+T and put following command chmod 0755 groups So I was able now to invoke dmesg on SBT. Here is the result: http://pastebin.com/fSbppG0g (you should be able to find it in the attachment too) Here is the content for /proc/asound/card1/stream0 /proc/asound/card1$ cat stream0 i-top SVB-202D at usb-fsl-ehci.0-1, high speed : USB Audio Playback: Status: Running Interface = 1 Altset = 1 URBs = 3 [ 32 32 32 ] Packet Size = 768 Momentary freq = 44100 Hz (0x5.8333) Interface 1 Altset 1 Format: S32_LE Channels: 2 Endpoint: 4 OUT (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Data packet interval: 250 us Max Packet Size = 768 EP Attribute = 0x0 Interface 1 Altset 2 Format: S24_3LE Channels: 2 Endpoint: 4 OUT (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Data packet interval: 250 us Max Packet Size = 576 EP Attribute = 0x0 Interface 1 Altset 3 Format: S16_LE Channels: 2 Endpoint: 4 OUT (ADAPTIVE) Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 Data packet interval: 500 us Max Packet Size = 768 EP Attribute = 0x0 For WinSCP users - because this is file generated by system so don't see content by opening this file. Under console you have to invoke command cat /proc/asound/card1/stream0 Now is the question. How to enable async mode? What I have to change in files under SBT? Maybe I can invoke some command to enable this mode? Or install additional packages? If you have any ideas, please send them to me and I will try them. Thank you for any help. +-------------------------------------------------------------------+ |Filename: dmesg_info.txt | |Download: http://forums.slimdevices.com/attachment.php?attachmentid=14068| +-------------------------------------------------------------------+ ------------------------------------------------------------------------ Eryk's Profile: http://forums.slimdevices.com/member.php?userid=58454 View this thread: http://forums.slimdevices.com/showthread.php?t=93310 _______________________________________________ Touch mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/touch
