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What is AC-3 (Dolby Digital)? - Definition from WhatIs.com
https://whatis.techtarget.com/definition/AC-3-Dolby-Digital
AC-3 (Dolby Digital) AC-3, also known as Dolby Digital , is a perceptual digital audio coding technique that reduces the amount of data needed to produce high-quality sound. Perceptual digital audio coding takes advantage of the fact that the human ear screens out a certain amount of sound that is perceived as noise.
AC-3: Flexible Perceptual Coding for Audio Transmission and St
http://www.mp3-tech.org/programmer/docs/ac3-flex.pdf
Dolby AC-3 is a flexible audio data compression technology capable of encoding a range of audio channel formats into a low rate bit stream. Channel formats range from monophonic to 5.1 channels, and may include a number of associated audio services. Based on a transform filter bank and psychoacoustics, AC-3 includes the novel features of transmission
AC3 - VideoLAN Wiki
https://wiki.videolan.org/AC3/
Dolby's Audio Coding-3 (AC-3) coding and compression technology was used by Dolby to create "Dolby Digital". Dolby Digital is the brand name used for the AC-3 digital audio encoding system. First used in 1995 for movie theaters, Dolby Digital is now also considered the standard for high-quality audio for home theaters.
AAC VS AC3: What is AC3? How to Change AC3? - Rene.E ...
https://www.reneelab.com/ac3-audio-conversion-format.html
AC3, fully known as Audio Coding version 3, is a lossy audio format developed by Dolby Laboratories. Originally, AC3 is widely used in the 5.1 acoustic channels, much like the last generation Dolby Pro Logic. AC3 can carry 6 separate channels while Dolby Pro Logic provides the mix surround channel.
Exploring the AC-3 Audio Standard for ATSC | TV Tech
https://www.tvtechnology.com/miscellaneous/exploring-the-ac3-audio-standard-for-atsc
AC-3 - or Dolby Digital as it is commonly known - is a perceptual audio bit rate reduction system capable of efficiently carrying one (mono) to 5.1 channels of audio. The 5.1 channels are comprised of Left, Right, Center, Low Frequency Effects (LFE), Left Surround, and Right Surround; and the LFE channel (used to feed a subwoofer), is the so-called ".1", carrying …
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