### Dolby Digital <sup><sup>Doesn't stand for anything</sup></sup> <div style="font-size: 0.6em;"> - Patented with royalties - Some software support <br> <br> </div> <div style="font-size: 0.6em; text-align: center; display: grid; grid-template-columns: 1fr 1fr 1fr;"> <div> ##### Dolby AC-3 - Lossy - 16-bit sampling depth - Up to 48kHz sampling rate - Up to 5+1 audio channels - Up to 640 kbit/s* </div> <div> ##### Dolby Digital Plus - Lossy - 16-bit sampling depth - Up to 48kHz sampling rate - Up to 15+1 audio channels - Up to 6144 kbit/s </div> <div> ##### Dolby TrueHD - Lossless - 24-bit sampling depth - Up to 192kHz sampling rate - Up to 7+1 audio channels </div> 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 [comment]: # (!!!) <!--------------------------------------------------------->