Only MP Audio Renderer working?

Discussion in 'Codecs, External Players' started by technoweary, October 9, 2016.

  1. technoweary
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    technoweary MP Donator

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    Hi,
    A few weeks back my system lost all audio playback and after much clcking around I discovered the audio renderer codecs were the problem
    The only way I can get audio now on my TV and Video playback is using the MP audio renderer
    My system codecs show but if selected do not playback audio
    I am getting some syncing problems with TV playback and I have to mess about with the delay, however this is not a great issue
    What is bugging me is speed problems with Music Video that run way too fast and I would welcome any help to reveal why I am unable to use the alternatives
    Hope someone can spot what has happened
    Any advice gratefully received
    Regards
    TW


     
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  3. mm1352000
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    mm1352000 Development Group

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    Are you sure it wasn't something much simpler like MP volume being muted either within MP (press the "m" key to toggle mute on/off) or in Windows (use ALT + ENTER to switch to Windowed mode, then check out the volume settings in the Windows system tray)?

    That's probably because the LAV audio codec's "auto A/V sync correction" option is enabled. It's one or the other; LAV option or MPAR; not both. I'd recommend the LAV option and not using MPAR for TV because MPAR can introduce problems with TV.

    Sorry, not with those log files. I can only see you using MPAR, so haven't a hope of helping with the other audio renderer(s).

    In short, my recommendations:
    1. Check that the original issue wasn't a simple mute and/or volume issue.
      • If it was:
        • for TV, go back to using the normal DirectSound renderer
        • for non-TV (videos, DVDs etc.), you can continue to use MPAR if you want... or go back to DirectSound
      • If it wasn't, provide fresh log files that actually show you attempting to play a video using a DirectSound audio renderer
    2. For the sync issue:
      1. Don't use MPAR for TV. That should solve the problem with TV.
      2. If you're going to use the LAV audio codec in combination with MPAR for non-TV, disable LAV audio codec's "auto A/V sync correction" option.
     
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  4. technoweary
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    technoweary MP Donator

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    Hi mm1352000 and thank you for your help
    Over the past few weeks since the problem occured I tried all sorts of configurations
    Even removed and updated the system and nVidia drivers as I was suspicious that it was a Microsoft problem (although I have updates switched off)
    I have switched the codecs many times
    Direct sound nVidia was what I was using before the problem
    I suspect the LAV auto A/V sync is on because tthat was the setting before the problem first appeared
    This will have to be switched off I guess because I can only use MPAR if I want audio playback
    I will try again and do another log file
    Thanks again for your help
    Very much appreciated
     
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