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btwin

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Posts posted by btwin


  1. According to my tests  Audio RTL ALC4030U CODEC used in Tinker Board S R2.0 version  does not provide 96Khz audio input. It only supports 48Khz sampling frequency.

    $ arecord -d 5 -f S24_3LE --device="hw:0,1" --channels=2 --rate=96000 test.mp3
    Recording WAVE 'test.mp3' : Signed 24 bit Little Endian in 3bytes, Rate 96000 Hz, Stereo
    Warning: rate is not accurate (requested = 96000Hz, got = 48000Hz)
             please, try the plug plugin


  2. Hi,

    I have installed Tinker Board S R2.0 with the newest tinkerOS Debian 10 V3.0.11. The X11 server does not refresh  graphics windows properly.  The problem can easily be recreated  running xeyes program (in x11-apps package). The older Tinker Board S with debian 9 does not have this problem.

    By the way, Is it possible to install Debian Stretch on Tinker Board S R2.0?

    Thanks and best regards,


  3. Hi,
    I am using Tinker Board S microphone input to analyze high frequency audio recording in my project. The 24bit/96KHz audio recording resolution provided by Tinker Board S RTL ALC4040 HD CODEC is sufficient for my project.
    I would like to know if the Audio RTL ALC4030U CODEC used in Tinker Board S R2.0 version provides 96Khz or higher resolution audio recording. Is there an address where I can find technical information about RTL ALC4030U CODEC?

    Thanks,

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