[Cin] Sound synchronization

[Andrew Randrianasulu]

пн, 9 окт. 2023 г., 21:41 Guillermo Martínez Jiménez via Cin <
cin at lists.cinelerra-gg.org>:

> Hi,
> I'm not completely new to Cinelerra but I don't use it very often.
> Recently I
> installed version 8 and I'm having issues with sound synchronization.
>

please note that CinelerraHV 8 and cinelerra-gg (our version, still 5.1 +
date of build, while there was code syncing in the past) are two different
cinelerras when it comes to demuxing and thus timing.

Can you try and see if especially CinGG does have same problem?



> If I reproduce the clip video on VLC, the sound is in sync but Cinelerra
> isn't able
> to sync it.  I tried changing the audio offset in Preferences but it
> doesn't work.
> I've found that the first second or so the video is accelerated, it
> doesn't matter
> where I start the reproduction.  I'm using a clapperboard so I know when
> the sound
> should be in sync.
>
> The video file information is:
> File format:  Quicktime for Linux
> Bytes: 20,060,842
> Bitrate (bits/sec): 2,711,599
> Audio
> Compression:  MPEG4
> Cannels 1
> Speed: 48000
> Bits: 16 Bit Linear
> Video
> Compression: H.264
> Frames/sec: 29.64
>
> My computer is a bit old:
> Cores: 2 (4 logic ones)
> RAM 8GiB
> OS: Debian 12
> No SSD, but it is new (1TiB).
> Cinelerra version: 8 (Installed few hours ago).
>
> Thanks for your time,
> Guillermo Martínez J.
> --
> Cin mailing list
> Cin at lists.cinelerra-gg.org
> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>
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