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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.
DVD Audio question (AC3, or PCM, or both) - VideoHelp Forum
https://forum.videohelp.com/threads/134527-DVD-Audio-question-(AC3-or-PCM-or-both)
Very few DVDs come with a PCM track mainly because a). Its not surround sound, only stereo b) It can be HUGE, almost as big as the movie. You normally only find it on Music DVDs, as PCM is uncompressed it can deliver a better audio performance than AC3 (although AC3 has the benefit of surround sound and a seperate subwoofer channel).
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.
Stereo PCM or 5.1 AC3? : handbrake
https://www.reddit.com/r/handbrake/comments/rwzvjg/stereo_pcm_or_51_ac3/
Reddit (and Google) search fails me, so I'm sorry if this has been answered before. I have a source that has stereo PCM and 5.1 AC3 options. I know PCM is uncompressed, but wouldn't it being stereo make it inferior to 5.1 for home theater?
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 …
What are the differences between AC3, 5.1, Dolby Digital ...
https://www.sony.com.sg/electronics/support/articles/S500030399
6. LFE (Subwoofer) AC3 is a compression technology term, which is used in place of Dolby Digital. It is essentially Dolby Digital. Dolby Digital surround sound is compressed which allows more audio information to fit on a DVD disc. DTS surround sound is an alternate AC 5.1 surround sound which DTS states is not as compressed as Dolby Digital.
Multi PCM only for AC3+ audio - [EN] Enduser support - Forums
https://forums.openpli.org/topic/67309-multi-pcm-only-for-ac3-audio/
Multi PCM only for AC3+ audio - posted in [EN] Enduser support: I´ve an older AVR which is not able to decode AC3+ but only AC3 normally many channels use AC3 and I like to decode AC3 with my AVR and not with the sat box to Multi PCM. The reason is inside the AC3 audio tracks there are some meta informations which the AC3 decoder of the AVR can use.
AAC vs AC3: What’s the Difference and Which One to Choose?
https://www.videoconverterfactory.com/tips/aac-vs-ac3.html
AC3: Also known as Dolby Digital, AC3 is an audio compression technology that stores audio in a lossy form. It contains up to six discrete channels of sound and the most common use is associated with the 5.1 channel configuration - five channels for normal-range speakers and one channel for the extra low-frequency effects.
not sure if I should use ac3 or aac : handbrake
https://www.reddit.com/r/handbrake/comments/g4yi2n/not_sure_if_i_should_use_ac3_or_aac/
It should reduce each PCM file by around 30% without any audio loss. All universal software players (VLC, KM etc) will play flac audio and the flac files could later be converted to AAC or AC3 if you needed. EAC3To is an excellent audio encoder to use for that. FYI AC3 640 sounds noticeably superior to AC3 384 (Especially if 5.1).
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