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    New Wondom ADAU1701 DSP Unit

    This looks like a really nice device given its price. It would be almost perfect for a simple TV setup. The only thing I would be missing is a second sub. Is it possible to EQ left and right independently in ACPworkbench. (Thanks for the advice on the NVarcher, for the price it is a bargain)
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    RPi + CamillaDSP Tutorial

    I gave up, at least for now. Use a usb i/f instead and a really old AVR with 7.1 inputs.
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    RPi + CamillaDSP Tutorial

    Maybe compiling the phyton script make it slightly quicker?
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    RPi + CamillaDSP Tutorial

    I was thinking about testing the only the output of the Behringer outside of CamillaDSP.
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    RPi + CamillaDSP Tutorial

    Have you tried if you get sound through the command speaker-test?
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    RPi + CamillaDSP Tutorial

    When I get Message channel error: receiving on a closed channel it is usually that I haven’t stopped the source. Error after 20~30 min may be a bug?
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    RPi + CamillaDSP Tutorial

    What does the log file tell you? Run with -v
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    New user so it will probably need to be accepted by a moderator.
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    https://forums.raspberrypi.com/viewtopic.php?t=364156
  10. N

    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    I no longer get channel remapping using fkms. I’ve set the silent timeout to a few seconds and then repeated a few sounds every 10 seconds or so. No remapping. The feel good is a bit lower with 16 bits but much better than the remapping.
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    DSP Measurements and Rising Noise Floor

    You might want to have a look at the follwing thread since ta least some are having issues with a similar set-up: https://www.audiosciencereview.com/forum/index.php?threads/multichannel-audio-on-a-pi-will-get-a-whole-lot-easier-and-cheaper.48233/
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    Didn't think about that but yes, that should be doable. Good idea!
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    I don't think that the key question is the negotiation since I get different reshuffle results, ie it is not a switch between two different mapping. It seems to be a bit random though left channel seems to ber missing most of the time.
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    For me, it seem like only the vc4 driver exhibit the shuffling of channels. At least it is a lot less frequent. I've been using it for a about day now without needing to restart CamillaDSP. With the vc4 driver just a few switches between pause and running will reshuffle. And I do not know what...
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    Output from speaker-test shows the following: $ speaker-test -D hw:b1 -c 8 speaker-test 1.2.6 Playback device is hw:b1 Stream parameters are 48000Hz, S16_LE, 8 channels Using 16 octaves of pink noise Rate set to 48000Hz (requested 48000Hz) Buffer size range from 480 to 8192 Period size range...
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    Your link https://github.com/raspberrypi/linux/blob/rpi-6.1.y/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c seems to confirm that it is only work (default) in 16 bits. The default driver does however work very strange from me with random drop, rather frequent, outs ot sound (no...
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    I've tested some different configurations. The only way I've been able to get more than 16 bits output is with the KMS-driver. I do get occasional channel remapping on both streaming via airplay and via USB. Using the KMS-driver the only way I can get audio out is using the iec953 output (this...
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    Multichannel audio on a Pi will get a whole lot easier and cheaper!

    It is a Yamaha RX-V775, have no clue what HDMI chip it has. Will se if I can do some trouble shooting this weekend.
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