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PCM vs AC3 - VideoHelp Forum
https://forum.videohelp.com/threads/304871-PCM-vs-AC3
PCM is uncompressed and takes up more room than AC3 or mpeg audio. It is commonly used on music DVD's to preserve maximum audio quality. Unless your source is PCM there no point in using it in authoring a DVD.
What is the difference between Pulse-Code Modulation …
https://www.sony.com/electronics/support/articles/00025143
PCM is the conventional method for converting analog audio into digital audio. The PCM audio recorded on DVD is a two-channel digital, stereo audio track. The Dolby Digital® technology, which was originally called AC3, was developed specifically for multi-channel applications, including film sound and digital surround sound in the home.
Audio convert (AC3 to PCM to AC3) What will happen ...
https://www.head-fi.org/threads/audio-convert-ac3-to-pcm-to-ac3-what-will-happen.581272/
Bigasoft Audio Converter is just the ideal PCM Converter which can fast convert PCM to AC3, WAV, MP3, AIFF, WMA, AAC, M4A, FLAC and etc with high audio quality and smaller file size. It supports converting all kinds of PCM files to any kind of audio format.
audio - ffmpeg library pcm to ac3 encoding - Stack Overflow
https://stackoverflow.com/questions/24783605/ffmpeg-library-pcm-to-ac3-encoding
I'm currently working on the ac3 part of the custom filter. I've looked through the example of the encoding audio ( for MP2 encoding ) in the ffmpeg doc and I understand it, but I don't understand how I should adapt it to my specific needs. The incoming samples are at 48K samples per second 16bit per sample and are stereo interleaved.
What is PCM Audio? [Format Difference. Expert Explaned]
https://samplerateconverter.com/educational/pcm-audio
At our home theater receivers and TV, digital audio players, DACs, in discussions of sound formats, other places, LPCM or PCM option is mentioned. We'll observe bitstream audio; PCM vs Dolby Digital; DTS, DSD, TrueHD, mp3, WAV, lossless and many others. Read what is PCM audio, how it works, its sound quality, myth reasons, the term explication, comparison with …
Downmixing AC3 2.0 to PCM - why? - WD TV Live & Live Plus ...
https://community.wd.com/t/downmixing-ac3-2-0-to-pcm-why/31934
But there is another problem arising from this. I have some tv recordings which have a AC3 5.1 audio stream. When cutting out commercials (which had AC3 2.0 streams) it happens that, after muxing the edited video, the very first haeder of the AC3 stream was wrongly flaged as AC3 2.0. So, the WD box decided to convert the AC3 stream to PCM 2.0.
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