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AC3 (a52) audio codec works in quicktime,… - Apple Community
https://discussions.apple.com/thread/2788644
Hi, I'm trying to edit a .m4v video (H.264 video codec, AC3 (a52) audio codec) in iMovie '11 on MBP 13. The sound does not work. However, I can hear sound in quicktime player and VLC. But I thought that when qt works, iMovie works. Unfortunately, it doesn't. In my other MBP 17 the same video works fine - I can hear sound in iMovie '11.
Quicktime and ac3 audio | MacRumors Forums
https://forums.macrumors.com/threads/quicktime-and-ac3-audio.160600/
FYI, that AC3 codec doesn't work with QuickTime 7.0.2 (possibly 7.0 and up). I wish it did, but until Apple decides to address this issue we are stuck with VLC or trancoding the AC3 to AAC (losing the surround sound).
QuickTime AC3 Codec - lownlarrahung.mystrikingly.com
https://lownlarrahung.mystrikingly.com/blog/quicktime-ac3-codec
AC3 Audio, H.264, MPEG4, and VBR MP3 Subtitle support for SSA and SRT What's New Version 1.2.3: N.B. Version 1.2.3 is the last version to ... x264 QuickTime Codec.. V_QUICKTIME, Video taken from QuickTime(TM) files, Several codecs as stored ...
AC3 Codec - Free download and software reviews - CNET …
https://download.cnet.com/AC3-Codec/3000-2141_4-48646.html
This is a QuickTime component which allows the playback of AC3 audio in AVI files. The component uses the liba52 library for the AC3 decompressing, you can get more information on …
AC3 (Dolby Digital) codec under Windows 7 - Microsoft ...
https://answers.microsoft.com/en-us/windows/forum/all/ac3-dolby-digital-codec-under-windows-7/8c361f51-8990-4112-a8cf-deef2ee1ce7e
It uses Quicktime to play back the video files and I think this is where my problem lies. Under XP I use *.m2v files (mpeg2) and their audio in a separate file *.ac3 (Doldy digital) and play back is 100% with audio. Under Windows 7 I do the same thing but Quicktime does not play back the ac3 audio (video is perfect).
ac3 audio won't play in quicktime - VideoHelp Forum
https://forum.videohelp.com/threads/262700-ac3-audio-won-t-play-in-quicktime
My knowledge are limit but I think Quicktime 7 can't itself play AC3, Apple DVD Player can do it because have the components to do it, so you can hear AC3 audio on your DVD, I don't know if there is some kind of plugin in order to get AC3 working on QT (I use A.Pack, mpeg2works 4 and FFMPEGX to convert audio to AC3 all the time and never hear about …
QuickTime Audio, MP3 Codec - loc.gov
https://www.loc.gov/preservation/digital/formats/fdd/fdd000111.shtml
None specifically identified as of 2004-05-26; see QuickTime. Apple Sound Codec four-character codes. Hex: 0x6D73055. Four-character code (as Hex) identifying the MP3 audio codec (CBR only, pre-QT4.1), from QuickTime File Format, p. 103 or p. 109. 1. Apple Sound Codec four-character codes.
Codec Mappings - Matroska
https://www.matroska.org/technical/codec_specs.html
Codec Name: Audio taken from QuickTime(TM) files Description: Several codecs as stored in QuickTime, e.g., QDesign Music v1 or v2. Initialization: The Private Data contains all additional data that is stored in the ‘stsd’ (sample description) atom in the QuickTime file after the mandatory sound descriptor structure (starting with the size ...
QT AC3 Codec download | SourceForge.net
https://sourceforge.net/projects/qtac3codec/
AC3Filter. It is DirectShow AC3 Decoder filter used to palyback AVI files with AC3 sound tracks and DVDs. Multichannel and S/PDIF support. Focused at flexible controls during playback: gains, mixer, stream information, levels and other. VLC media player. The best free media player for video and DVDs.
Dolby Ac3 Codec Windows 10 - CNET Download
https://download.cnet.com/s/dolby-ac3-codec-windows-10/
Dolby Ac3 Codec Windows 10 free download - Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit), mp3 codec for Windows Media Player, Windows 10 …
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