Is there any way to introduce audio delay into the transcoding pipeline / scenario?
Multi language streaming Scenario:
1 FMLE sending video only rtmp
more than 1 audio only streams
ABR to serve video with multiple language / audio channels
The source translation and video are fully in sync.
There’s always a small noticeable lip sync. How can I compensate this?
I have tried to sync video to audio and vice versa.
Try to add adelay filter: http://ffmpeg.org/ffmpeg-filters.html#adelay
To do this, add custom audio filter and set filter name to "adelay" and desired delay in milliseconds as Filter params, e.g. "250|250"
and required to achieve the purposes illustrated in the
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