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Thread: Help with Syba sound card VT1720

  1. #1

    Default Help with Syba sound card VT1720

    Hello, I am a novice Linux user, and this is my first post here.

    I installed a new sound card to a openSuSE 13.1 x64 install. The sound card is Syba SD-PEX63034, and uses the Via VT1723 (Envy24DT) chip.
    http://www.newegg.com/Product/Produc...82E16829186003

    The card appears in Yast2 as VT1720/24 and is configured as sound card 0, using driver snd-ice1724

    In KMix, the sound is not muted. When the mute button is selected/unselected, a slight pop noise is audible over the speakers.
    However, no sound is produced from the card.
    It is a new card, and verified working in Windows on the same hardware environment.
    No sound is produced on openSuSE 12.2 LiveCD, nor Fedora 20 LiveCD, nor SimplyMEPIS 6.0 LiveCD (though I had to disable ACPI to get that one to boot).

    So...wrong driver? Unsupported card? Or...?

    Please let me know what to try.

  2. #2

    Default Re: Help with Syba sound card VT1720

    wow...and now, it is suddenly working. I don't know why, I don't think that I made any change.

    very strange

    thanks for looking, it seems to work now, but if there is another problem, then I will return to this thread.

  3. #3

    Default Re: Help with Syba sound card VT1720

    Now the sound does not work

    I didn't change any setting. How can it not work, work, not work?

  4. #4
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    Default Re: Help with Syba sound card VT1720

    A change in mixer settings can explain this.

    A change in pulse audio settings can explain this.

    Sometimes a mal behaved application can seize the alsa driver, and refuse to share it with pulse audio or with other applications.

    The 'amixer' command can be used in a terminal/konsole to show the mixer settings to others. For example for 'card-0' the command 'amixer -c0' and for 'card-1' the command 'amixer -c1' .

    One can also install pavucontrol to better control pulse audio on an application basis, with guidance in these two blogs:


  5. #5

    Default Re: Help with Syba sound card VT1720

    Hi, I read through each of those 2 blogs, and installed pavucontrol. I think the settings are correct, but no sound.

    I am thinking maybe there is one mute button somewhere that I don't know about.

  6. #6
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    Default Re: Help with Syba sound card VT1720

    Quote Originally Posted by w00tDr View Post
    I am thinking maybe there is one mute button somewhere that I don't know about.
    With your PC connected to the internet, could you run the following diagnostic script in a terminal/konsole, select the SHARE/UPLOAD option, and then let the script run to completion. When it is complete in the terminal/konsole it will give you an IP/web address where the script has uploaded the audio configuration of your PC. Could you please copy that location, and paste it here in this thread.
    Code:
    /usr/sbin/alsa-info.sh
    With that we can take a look at the configuration and see if it gives us any suggestions.

  7. #7

    Default Re: Help with Syba sound card VT1720

    Quote Originally Posted by oldcpu View Post
    With your PC connected to the internet, could you run the following diagnostic script in a terminal/konsole, select the SHARE/UPLOAD option, and then let the script run to completion. When it is complete in the terminal/konsole it will give you an IP/web address where the script has uploaded the audio configuration of your PC. Could you please copy that location, and paste it here in this thread.
    Code:
    /usr/sbin/alsa-info.sh
    With that we can take a look at the configuration and see if it gives us any suggestions.
    OK, here is the link:

    http://www.alsa-project.org/db/?f=b9...3e8ebc61b31f49

  8. #8
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    Default Re: Help with Syba sound card VT1720

    Quote Originally Posted by w00tDr View Post
    I don't see anything obvious in the mixer.

    I note:
    Code:
    !!Aplay/Arecord output
    !!--------------------
    
    APLAY
    
    **** List of PLAYBACK Hardware Devices ****
    card 0: ICE1724 [ICEnsemble ICE1724], device 0: ICE1724 [ICE1724]
      Subdevices: 0/1
      Subdevice #0: subdevice #0
    card 0: ICE1724 [ICEnsemble ICE1724], device 1: ICE1724 IEC958 [ICE1724 IEC958]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    which tells me your hardware audio device (ice1724) is either hw:0,0, or if a digital device then it is hw:0,1 .

    I am going to assume it is hw:0,0. Do you get sound with the command in a terminal/konsole as a regular user:
    Code:
    speaker-test -c2 -D hw:0,0 -l3 -twav
    if not, do you get the sound in the same terminal/konsole, but this time with root permissions ... ie:
    Code:
    su -c 'speaker-test -c2 -D hw:0,0 -l3 -twav'

  9. #9

    Default Re: Help with Syba sound card VT1720

    Quote Originally Posted by oldcpu View Post
    I don't see anything obvious in the mixer.

    I note:
    Code:
    !!Aplay/Arecord output
    !!--------------------
    
    APLAY
    
    **** List of PLAYBACK Hardware Devices ****
    card 0: ICE1724 [ICEnsemble ICE1724], device 0: ICE1724 [ICE1724]
      Subdevices: 0/1
      Subdevice #0: subdevice #0
    card 0: ICE1724 [ICEnsemble ICE1724], device 1: ICE1724 IEC958 [ICE1724 IEC958]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
      Subdevices: 1/1
      Subdevice #0: subdevice #0
    which tells me your hardware audio device (ice1724) is either hw:0,0, or if a digital device then it is hw:0,1 .

    I am going to assume it is hw:0,0. Do you get sound with the command in a terminal/konsole as a regular user:
    Code:
    speaker-test -c2 -D hw:0,0 -l3 -twav
    if not, do you get the sound in the same terminal/konsole, but this time with root permissions ... ie:
    Code:
    su -c 'speaker-test -c2 -D hw:0,0 -l3 -twav'
    with either user, the result is:

    speaker-test 1.0.27.2

    Playback device is hw:0,0
    Stream parameters are 48000Hz, S16_LE, 2 channels
    WAV files(s)
    Playback open error: -l6, Device or resource busy

  10. #10
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    Default Re: Help with Syba sound card VT1720

    Quote Originally Posted by w00tDr View Post
    with either user, the result is:

    speaker-test 1.0.27.2

    Playback device is hw:0,0
    Stream parameters are 48000Hz, S16_LE, 2 channels
    WAV files(s)
    Playback open error: -l6, Device or resource busy
    If I assume that hw:0,0 is the correct device, then that suggests another application has seized the audio device and is refusing to share it. One thing we could try and do is see what this 'other' application is, that may have seized the audio (sound) device. Lets check for open files associated with the sound device by listing them. Type the following as a regular user:
    Code:
    lsof /dev/snd/*
    For example, on my PC, where I use pulse audio, I typically get:
    Code:
    oldcpu@4770:~> lsof /dev/snd/*
    COMMAND    PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
    pulseaudi 2649 oldcpu   16u   CHR  116,6      0t0 7771 /dev/snd/controlC0
    pulseaudi 2649 oldcpu   23u   CHR  116,6      0t0 7771 /dev/snd/controlC0
    pulseaudi 2649 oldcpu   29u   CHR 116,15      0t0 7803 /dev/snd/controlC2
    pulseaudi 2649 oldcpu   32u   CHR 116,13      0t0 7786 /dev/snd/controlC1
    pulseaudi 2649 oldcpu   39u   CHR 116,13      0t0 7786 /dev/snd/controlC1
    pulseaudi 2649 oldcpu   45u   CHR 116,13      0t0 7786 /dev/snd/controlC1
    Note I ONLY have pulse audio using my audio device. I am curious if this is the same for you.

    If you obtain an output that ONLY has pulse audio using the audio device then that may be where we likely need to focus our efforts. In which case go check to see if there is a directory /home/w00tDr/.pulse (I don't think there will be). But if there is such a directory, then remove it for our test, reboot your PC and test the audio.

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