### Dolby Digital

<sup><sup>Doesn't stand for anything</sup></sup>

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- Patented with royalties
- Some software support

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##### Dolby AC-3
- Lossy
- 16-bit sampling depth
- Up to 48kHz sampling rate
- Up to 5+1 audio channels
- Up to 640 kbit/s*

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##### Dolby Digital Plus
- Lossy
- 16-bit sampling depth
- Up to 48kHz sampling rate
- Up to 15+1 audio channels
- Up to 6144 kbit/s

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##### Dolby TrueHD
- Lossless
- 24-bit sampling depth
- Up to 192kHz sampling rate
- Up to 7+1 audio channels

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Note:
Now, I'm gonna briefly talk about Dolby Digital. I only mentioned this one and not
its competitor, DTS, because you can actually use this one.

It's a proprietary format developed by Dolby, although it does have some software support.
For instance, FFmpeg can both encode and decode AC-3 audio.

Commonly seen on BluRays
Mention DTS

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