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High-Efficiency Advanced Audio Coding - Wikipedia
https://en.wikipedia.org/wiki/High-Efficiency_Advanced_Audio_Coding#:~:text=High-Efficiency%20Advanced%20Audio%20Coding%20%28HE-AAC%29%20is%20an%20audio,optimized%20for%20low-bitrate%20applications%20such%20as%20streaming%20audio.
HE-AAC, HE-AAC v2
https://www.iis.fraunhofer.de/en/ff/amm/broadcast-streaming/heaac.html
HE-AAC for Streaming. HE-AAC is the predominant audio streaming codec. All major streaming and media platforms support HE-AAC, for example Flash, Silverlight, Windows Media Player, Winamp, and iTunes. The operating systems Mac OS X and Windows come with HE-AAC as well as the mobile systems iOS, Android, Windows Phone, Symbian and BlackBerry.
AAC Audio Codec ? What Is AAC Audio? How AAC Audio …
https://headendinfo.com/aac-audio-codec/
Thus MPEG-4 HE-AAC is efficient version of AAC-LC . So is called as MPEG-4 High Efficiency-Advanced Audio Coding. For better compression and higher audio quality PS tool is implemented. Where PS represents the Parametric Stereo. So it is used to compress the audio more than 30 percent. Which results MPEG-4 HE-AAC Version 2.
ATSC Standard A/153 Part 8 – HE AAC Audio System
https://www.atsc.org/wp-content/uploads/2015/03/A153-Part-8-2012.pdf
ATSC A/153 Part 8:2012 HE AAC Audio System Characteristics 18 December 2012 8 HE AAC HE AAC v2 AAC SBR PS Figure 4.2 MPEG-4 Audio tools that together create HE AAC v2. 4.1 Use of SBR and PS MPEG-4 AAC is a highly efficient traditional perceptual audio-coding algorithm. Its
AAC vs HE-AAC What is the difference, which should you use ...
https://www.reddit.com/r/audiophile/comments/18b0yg/aac_vs_heaac_what_is_the_difference_which_should/
Typically AAC-HE v2 isn't used above 48k and AAC-HE v1 isn't used above 96k. Here is a graph of perceptual audio quality with the 3 codecs. HE-AAC is optimized for low-bandwidth and streaming use, while AAC is optimized for high-quality use. Unless you specifically need to store a lot of music on a device, I'd stick to AAC.
Advanced Audio Coding (AAC) – ViaCorp
https://www.via-corp.com/licensing/aac/
The core of this AAC family is a set of backwards-compatible audio coding technologies. For example, MPEG-4 AAC-LC (Low Complexity) decoders can playback MPEG-2 AAC-LC bit-streams, MPEG-4 HE-AAC (High Efficiency) decoders can playback …
HE-AAC 5.1 Audio | AVForums
https://www.avforums.com/threads/he-aac-5-1-audio.1438805/
I have a Samsung LED TV with inbuilt freeview HD, this is receiving something called HE-AAC 5.1, this is a new format on me, which is quite rare in itself although formats seem to come and go so quickly these days, anyway, the manual says that when there is a 5.1 signal received it can output this via the optical audio out to a surround sound ...
How to tell if audio is HE-AAC/AAC+/SBR - VideoHelp Forum
https://forum.videohelp.com/threads/355903-How-to-tell-if-audio-is-HE-AAC-AAC-SBR
Thread. Warning: AAC files may contain HE-AAC / AAC+ / SBR AAC audio. This can NOT be detected automatically. Therefore you have to specifiy '--aac-is-sbr 0' manually for this input file if the file actually contains SBR AAC. The file will be muxed in the WRONG way otherwise. Also read mkvmerge's documentation.
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