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What's Best Audio Format Codec? [Highest Quality 2022]
https://samplerateconverter.com/educational/best-audio-file-format#:~:text=Stereo%20mp3%20or%20AAC%20320%20kbps%20is%20very,or%20multichannel%20audio%2C%20higher%20bitrate%20may%20be%20desirable.
Best AC3 bitrate ??? - VideoHelp Forum
https://forum.videohelp.com/threads/164208-Best-AC3-bitrate
In fact most commercial DVD releases use 192kbps for 2.0 AC-3 audio. However most stand alone DVD recorders use 256kbps for 2.0 AC-3 audio. I use 256kbps myself. The only time you would have to use a higher bitrate than 256kbps is if you had something more than a 2.0 source ... such as 5.1 AC-3 which should use 448kbps for best quality.
What is AC3 bitrate? – Easierwithpractice.com
https://easierwithpractice.com/what-is-ac3-bitrate/
AC3 file format is a 6-channel surround sound which provides a total bitrate of 384 kilobits per second and it supports audio sample rates up to 48 kHz. You must use an amplified theater system that supports Dolby Digital to reproduce the full effect of AC3 track.
At which bitrate does Dolby Digital (AC3) achieve ...
https://www.avsforum.com/threads/at-which-bitrate-does-dolby-digital-ac3-achieve-transparency.1440740/
I have not seen any published data on AC-3 in *stereo* at 320 kbps. Here is a double blind study of it compared to other codecs at 192 kbps and lower (at 44.1Khz which is somewhat easier than 48 Khz): You can see that at it does poorly at lower data rates but starts to improve a lot once you reach 192 kbps.
Maximum Bitrate for AC3 Audio? - VideoHelp Forum
https://forum.videohelp.com/threads/216167-Maximum-Bitrate-for-AC3-Audio
You can compress lossless audio losslessly using a format such as flac, but it doesn't compress down anywhere near as much as a lossy format such as AC3. I'm not 100% sure what the AC3 limit is for stereo audio (to be compliant with the DVD spec) but I think it's 384kbps. It might be 448kbps, but even at 384kbps the quality should be pretty high.
AAC vs AC3: What’s the Difference and Which One to Choose?
https://www.videoconverterfactory.com/tips/aac-vs-ac3.html
AAC: 8 to 192 kHz. AC3: 32, 44.1, 48 kHz. Tips: The higher the sample rate the greater the dynamic range, which means more detail will be captured and the quality of the audio will be better. 2.Bit rate. AAC: 8-529 kbit/s (stereo) AC3: 32-640 kbit/s. Tips: A higher bit rate normally guarantees a better quality.
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