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Michael, I think you mean "Dolby Digital". "Dolby Surround" was the consumer version of the original theatre "Dolby Stereo" multi-channel audio system from 1982.
Yes, that should be Dolby Digital, or more neutrally, A/52. Dolby Surround is an analog method of encoding and decoding surround channels to and from stereo signals.
Interesting about the patents, does this mean we should be able to see live encoding for DD with 5.1 channels?
There's still latency involved. Depends on your hardware and software stack if it is usable. Pulseaudio might favor large buffers which are great for not dropping music, but not for low latency stuff.
There's still latency involved. Depends on your hardware and software stack if it is usable. Pulseaudio might favor large buffers which are great for not dropping music, but not for low latency stuff.
There is latency but it isn't that bad. I currently use live 5.1 encoding to to dca @48k/24bit over S/PDIF through pulseaudio with a high quality custom resampler since the latency is slightly lower than a/52 encoding. With mpd I'm pretty satisfied with it for everything I've thrown at it.
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