<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><pre style="" class="">On 09/16/2014 03:17 PM, Paul Davis wrote:
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</i>><i style="" class=""> On Tue, Sep 16, 2014 at 4:12 AM, Hans Wilmers <<a style="" class="" href="http://lists.linuxaudio.org/listinfo/linux-audio-user">hanswil at notam02.no</a>
</i>><i style="" class=""> <mailto:<a style="" class="" href="http://lists.linuxaudio.org/listinfo/linux-audio-user">hanswil at notam02.no</a>>> wrote:
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</i>><i style="" class=""> On 09/16/2014 09:55 AM, Hans Wilmers wrote:
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</i>><i style="" class=""> The USBPre2 works fine with UAC2 on recent kernels.
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</i>><i style="" class=""> With Fedora 19, kernel 3.14.17, I get these samplerates:
</i>><i style="" class=""> 32000/44100/48000/88200/96000/192000
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</i>><i style="" class=""> I have to moderate that a bit:
</i>><i style="" class=""> I can set up all sample rates as above, but the effective sample
</i>><i style="" class=""> rate as shown by qjackctl is max. 48000.
</i>><i style="" class=""> No error message is shown in case the effective sample rate is not
</i>><i style="" class=""> the chosen one.
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</i>><i style="" class=""> JACK asks ALSA for the nearest sample rate available. It does not print
</i>><i style="" class=""> errors when they do not match.
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>OK, I understand.
>The max. samplerate we get through Alsa is 48000 then.
> / Hans<br style=""><br style="" class="">Hello.<br style="" class=""><br style="" class="">Can you try to record 30 second of anything higher than 48khz and check the file with Audacity or Mplayer ? - <strong style="" class="">mplayer -identify file.wav</strong> - or whatever is your most loved application. <br style="" class=""><br style="" class="">By the way, the 48khz Max, are 16 bits or 24 bits ? You have the choise of this quantization between 16 or 24 bits ? <br style="" class=""><br style="" class=""><br style="" class="">The - almost - last word : What we can do from here...this card support UAC2 but refuse to announce itself correctly and Gnu/Linux/Alsa perfectly support UAC2 ..... Any solution ? Begging Sound Devices to update 10 lines of code in a new firmware ? Asking someone at Alsa-project to make a patch if possible ? Any clue anyone ? <br style="" class=""><br style="" class="">Best.<br style="" class=""><br style="" class=""><br
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