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Algorithmic delay and synchronization in MPEG audio …
https://www.eetimes.com/algorithmic-delay-and-synchronization-in-mpeg-audio-codecs/
It is based upon MPEG2 AAC audio compression technology. To reduce the algorithmic delay, the frame size is reduced to 512 (or 480) samples implying a framing delay of 512 (or 480) samples (K). The input to MDCT is now 1024 (or 960) samples, with the MDCT delay being 512 (or 480) samples (.mdct).
Audio delay after encoding MPEG-2 (+34ms) - VideoHelp Forum
https://forum.videohelp.com/threads/236589-Audio-delay-after-encoding-MPEG-2-(-34ms)
Audio delay after encoding MPEG-2 (+34ms) 1. Change the target audio bit rate (192Kbps to 384Kbps Mpeg-1 Layer 2). 2. Change the target sample rate (48Khz to 44.1Khz Mpeg-1 Layer 2). 3. Change the target audio file type (from Mpeg-1 Layer 2 to uncompressed Wav). 4. Change the video bit rate (CBR / ...
Problem with mpeg2 codec or greater mpeg files.(audio delay)
https://forums.vmix.com/posts/t493-Problem-with-mpeg2-codec-or-greater-mpeg-files--audio-delay
I use vmix for playing mpeg2 files in 95% of time and usually in playlist mode, only sometime for live mixing,and all the time in SD mode. In live mode I don't have any problems. When the mpeg files is greater then 30min, i have glitch and a small delay on the audio. if the video files is greater then 1-2h i have a lot of audio delay (<500ms).
Audio out of sync with MPEG2 - Adobe Premiere Pro ...
https://creativecow.net/forums/thread/audio-out-of-sync-with-mpeg2/
When capturing directly to MPEG-2 from VHS, the audio is sometimes delayed in the final MPEG-2 file. I can re-capture the same video and it will be fine. 2. In captured MPEG-2 files that have no delay in VLC that I put into Premier, the audio is delayed and Premier adds sporadic red frames, and the audio is delayed. 3.
MPEG-2 - Wikipedia
https://en.wikipedia.org/wiki/MPEG-2
MPEG-2 (a.k.a. H.222/H.262 as was defined by the ITU) is a standard for "the generic coding of moving pictures and associated audio information". It describes a combination of lossy video compression and lossy audio data compression methods, which permit storage and transmission of movies using currently available storage media and transmission bandwidth.
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