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  1. #11
    Junior Member
    Join Date
    Aug 2018
    Posts
    7
    Thanks Greg...I am with you...while my experience pales compared to yours I have certainly done dozens. If not a hundred without the slightest thought or concern. Once had a bad card and maybe once or twice a file corruption ( not pcp) All easy to diagnose or be notified......I am still stumped as to how the images got broken
    When I regain a little energy/ motivation I will try to see if I can track down just whatĺs going on/ happened,
    Thx again for talking the time to respond

  2. #12
    hi LanceL,
    this is my configuration for Piano2.1 + Kali, in my case I have to enable +6db otherwise I get unbalance signal. This are the setting that I use and I got them from soundcheck's blog.
    Name:  1.png
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    Name:  2.png
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    forgot... in LMS I upsample my flac to 352k8/384k via C-3PO plugin, that way you bypass the internal DAC filters
    Last edited by diamonddust; 2018-08-19 at 12:03.

  3. #13
    Senior Member
    Join Date
    Nov 2009
    Location
    DUS
    Posts
    837
    Hi there.

    The other day I ran once more into a strange behavior of the Piano21.
    That DAC is a little tricky!
    Especially the Dual-Mono related controls get mixed up once on a while.
    Getting back to normal is not that easy.
    Unfortunately pCP doesn't cover a proper DAC initialization if things get
    messed up.


    That's why I wrote myself a Piano21 init script:

    Code:
    #!/bin/sh
    #
    #  script to initialize alsamixer settings for
    #  Allo Piano 2.1 in Dual-Mono config
    #
    #  written by soundcheck for
    #  pCP >4.1
    #  Rev 1 - Mar-01-2019
    #
    ###################################################################
    
    [ $(whoami) != root ] && { echo "*** Please, run as root!"; exit 1; };
    
    pgrep squeezlite >/dev/null && pkill squeezelite
    
    rm  -f  /var/lib/alsa/asound.state
    
    CARDNR="$(cat /proc/asound/cards | grep "\[PianoDACPlus"  | awk -F " " '{print $1}')"
    
    alsactl init $CARDNR >/dev/null 2>&1
    amixer -q -c $CARDNR set 'Dual Mode' 'Dual-Mono'
    amixer -q -c $CARDNR set 'Subwoofer mode' 'None'
    amixer -q -c $CARDNR set 'DSP Program' 'Ringing-less low latency FIR'
    amixer -q -c $CARDNR sset 'Digital' unmute
    amixer -q -c $CARDNR sset 'Digital' frontright,mute
    amixer -q -c $CARDNR set 'Digital' '100%'
    amixer -q -c $CARDNR sset 'Subwoofer' unmute
    amixer -q -c $CARDNR sset 'Subwoofer' frontleft,mute
    amixer -q -c $CARDNR set 'Subwoofer' '100%'
    amixer -q -c $CARDNR set 'Master' '100%'
    amixer -q -c $CARDNR set 'Analogue Playback Boost' '0%'
    amixer -q -c $CARDNR set 'Analogue' '100%'
    amixer -q -c $CARDNR set 'Deemphasis' 'off'
    amixer -q -c $CARDNR set 'Volume Ramp Down Rate' '1 sample/update'
    amixer -q -c $CARDNR set 'Volume Ramp Up Rate' '1 sample/update'
    amixer -q -c $CARDNR set 'Volume Ramp Down Step' '1dB/step'
    amixer -q -c $CARDNR set 'Volume Ramp Up Step' '1dB/step'
    
    alsactl store $CARDNR 
    chmod 666 /var/lib/alsa/asound.state
    
    filetool.sh -b >/dev/null
    
    echo "*** Please, reboot the system now!"
    
    
    exit 0
    ssh as tc, "su root", copy/paste above into the shell, and then run "reboot".

    Let me know if it works.

    Enjoy.

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