Why PC needs to explicitly encode the audio but other devices as PlayStation 3, 4, Xbox 360, One and BluRay players don’t need this?Īctually PS, Xbox and BluRay players do it automatically, they encode all the audio for you since they correctly assume that optical cable can transport 5.1 only when it is encoded, so depending of the game of the movie, they encode to Dolby Digital or DTS. The optical cables can only transport 2 audio channels at the same time, that’s why all audio decoders will only serve the audio as stereo, so in order to enjoy 5.1 we need to encode all the PC audio to Dolby Digital or DTS.
Why is it important to encode audio on the fly?īecause that’s the only way we can send 5 channels of audio at the same time on the same optical cable. I recently got an Alienware Alpha, I’m pretty happy with it except for a big issue with the Optical input and its driver’s ability to encode sound using Dolby Digital Live (DDL) or DTS Connect on the fly.
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