AAC 2.0 going out of sync

Discussion in 'Codecs, External Players' started by alister, May 2, 2018.

  1. alister
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    alister MP Donator

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    Have an issue with several AAC 2.0 files going out of sync

    Video plays fine, audio gets delayed. that is video is ahead of sound - not audio ahead of picture

    Using windows's own "Film &TV" plays fine

    Tried LAV Audio, Microsoft,Monogram all have same issue.



    File test with has audio

    Audio
    ID : 2
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : A_AAC-2
    Duration : 21 min 30 s
    Bit rate : 128 kb/s
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 48.0 kHz
    Frame rate : 46.875 FPS (1024 SPF)
    Compression mode : Lossy
    Delay relative to video : -33 ms
    Stream size : 19.7 MiB (3%)
    Default : Yes
    Forced : No

    Onkyo HT-R548 is HDMI decoder


    sound.PNG
     

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  3. tony72
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    tony72 MP Donator

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    I had audio sync issues with some files in MediaPortal when using LAV for everything, but I can't remember what codec setup I ended up with that mostly cured the issue. I'll check when I get home later on the off-chance it helps.

    Edit: well in my case it was MKV files with h.264 video and AC3 audio that gave me sync issues, and switching to the Microsoft codec for h.264 and AC3Filter for AC3 fixed it, so not directly relevant to your case. But I'm sure there's a configuration of codecs/settings that will work.
     
    Last edited: May 4, 2018
  4. alister
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    alister MP Donator

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    Been testing and mostly solved by using Automatic - yet this morning the TV recording of BBC1 Andrew Marr went out of sync.

    Windows 7 worked lovely windows 10 on Intel NUC seems to have all sorts of issues (Mostly Windows 10 - MS deciding that it knows best and I got a update/reboot when I'd told it not too!)
     
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