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Solved: Audio Drift Help for noob - Adobe Support ...
https://community.adobe.com/t5/premiere-pro/audio-drift-help-for-noob/td-p/10254589
Audio Drift Help for noob. Apparently this is a common issue within Premier Pro, but all the discussions I'm reading about how to fix it may as well be Greek written in wingdings for my level of understanding. I'm working with an MP4 HD screen recording with MPEG audio, and another MPEG file for a microphone recording.
Ffmpeg results in audio drift : ffmpeg
https://www.reddit.com/r/ffmpeg/comments/mq6yjt/ffmpeg_results_in_audio_drift/
This audio drift has occurred for both the concatenated clips and the single clips, which we did separately from each other. Our line was: ffmpeg -i “filename.dv” -c copy “filename.mov”. Sometimes we may have added -r: 29.97, but it was a meaningless addition since the files were 29.97fps anyway.
Audio | MPEG
https://mpeg.chiariglione.org/standards/mpeg-2/audio
MPEG-1 Layer I or II Audio is a generic subband coder operating at bit rates in the range of 32 to 448 kb/s and supporting sampling frequencies of 32, 44.1 and 48 kHz. Typical bit rates for Layer II are in the range of 128-256 kbit/s, and 384 kb/s for professional applications.
#8443 (A/V drift when reencoding NTSC) – FFmpeg
https://trac.ffmpeg.org/ticket/8443
The ffmpeg command below simply overlays the audio waveform back over the video frames. If ffmpeg was processing this input file correctly, each white frame should have the audio tone starting at exactly the same position. Unfortunately, as you can see, the audio tone in fact drifts significantly (in fact it often ends up in the adjacent frame).
Captured Video with Audio Drift - VideoHelp Forum
https://forum.videohelp.com/threads/386291-Captured-Video-with-Audio-Drift
Audio drift is almost always caused by dropped frames. Video frames drop, audio frames do not. Do you have an external framesync TBC in the hardware chain.workflow? If not, there's your problem.
MPEG-I | MPEG
https://mpeg.chiariglione.org/standards/mpeg-i
MPEG-4. Systems; Video; Audio. Formal Verification Report on MPEG-4 Parametric Audio Coding; Listening Test Report on HE-AAC V2; MPEG-4 Audio verification test results: Audio on Internet; MPEG-4 Audio verification test results: Speech Codecs; Report on Informal Subjective Quality Tests of MPEG-4 Extension 1 (Bandwidth Extension) Report on MPEG ...
MP4 to MPEG converter- Convert MP4 to MPEG online
https://safevideoconverter.com/convert-mp4-to-mpeg
It contains compressed video and audio using MPEG-1 or MPEG-2 compression. Typically, MPEG files are used to exchange videos over the Internet. Detailed information: MP4 files employ the Moving Picture Experts Group's MPEG-4 compression standard (MPEG). The audio and video tracks are compressed separately in this format. The video is compressed using MPEG-4 video …
Continental Drift Radio Feed - Digital Podcast
https://www.digitalpodcast.com/feeds/9467-continental-drift-radio
Continental Drift Radio - Show 1 | File Type: audio/mpeg | Duration: 00:36:37 The first episode of Continental Drift Radio featuring some of the tunes I've liked during the last few months. This show is the first of what I'm sure will be a few experiments while I tinker with the format and get used to the sound of my own voice (you know what I ...
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