Questions tagged [ac3]

Audio Codec 3 or Advanced Codec 3 or Acoustic Coder 3 - names used for Dolby Digital audio compression technologies.

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How to remap channels of AC3 stream within .mkv or .mp4? (ffmpeg, 3f2m/lfe - > 3f2r/lfe)

So this is my problem, I've backed up quite a number of DVDs and a few Blu-Ray discs to .mkv files for archival purposes, and for my plex server. I used: x264 for video ac3 for audio (for ...
Vlad's user avatar
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2 votes
0 answers
556 views

ffmpeg does not capture ac3 audio from RTSP stream

I am trying to capture video and audio from an RTSP stream using ffmpeg-4.1.3-amd64-static. The stream is produced by VLC, and contains H.264 video and AC-3 audio. I can play the stream using VLC and ...
Richard Hussong's user avatar
1 vote
2 answers
3k views

How to AC3-encode audio and send it through HDMI on Win10?

For reasons°, I have my PC plugged into my TV via HDMI, which is connected to my AV receiver via optical cable. Since my TV is only detected as 2 channel device, and stuff like games usually don't ...
DanMan's user avatar
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1 vote
0 answers
1k views

MPC-HC + AC3filter playing too fast with DTS-HD MA

Video plays too fast, as if fast forward was enabled. It used to happen with VFR MKV video, and was fixed with View > Render Settings > Presentation > Enable Frame Time Correction. This week this ...
Hikari's user avatar
  • 307
0 votes
1 answer
30 views

Converting audio tracks only in mkv files to AC3

I have an LG CX TV. The internal video player does not recognise DTS audio format. I'd like to be able to play MKV files (which might have DTS audio tracks) from an external USB device. I was looking ...
Alastair's user avatar
0 votes
1 answer
134 views

Muxing AC3 with x264, timing & seeking challenges

I'm attempting to generate a downloadable video with 5.1 surround to put on a website of a concert I worked on. Ideally with maximum compatibility with things like QuickTime & Plex. I have a ...
Caleb's user avatar
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0 votes
1 answer
175 views

ffmpeg - replace the Center channel on a 5.1 AC3 without re-encoding

Is it possible replacing the Center channel on a 5.1 AC3 without re-encoding? Thanks!
buddhabas's user avatar
0 votes
1 answer
220 views

How to use FFmpeg to modify metadata downmix levels of AC3 file

I'm trying to use FFmpeg to modify a metadata called "downmix levels" of an existing AC3 file (Dolby Digital surround sound file) I have tried with at least a million different combinations ...
KenJes's user avatar
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0 answers
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Movies are corrupted/ending in the middle

I watch movies in Media Player Classic Home Cinema. This is the third movie that the same issue happens. In the middle of it, the movie stops. When I go see what happened, it just jumps to the end ...
Hikari's user avatar
  • 307
0 votes
1 answer
2k views

How to play DTS audio file in Sony Bluray player?

I have a Sony Bluray Player Model: BDV-E3200 (Asian). I have 5.1ch audio files with .dts extension (DTS format) in my PC. How to play the .dts audio files on the bluray player? I have these methods ...
Harish R's user avatar
0 votes
1 answer
66 views

Which player can play AC3 tracks in a video?

I have a movie in avi format and its sound part in ac3 format. Which player can play my 'custom' sound with a movie?
Roman's user avatar
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-1 votes
1 answer
7k views

Converting a MKV file with DTS MA audio to AC3 5.1 (With no loss in video)

I have a linux server on which i need to do this. I have a video MKV video file with AVC video and DTS MA audio, i need to convert this to a file with AC3 5.1 Audio with no loss in video and as ...
BalaK's user avatar
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