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DTS audio on mp3, Audio compatibility
Why the "mp3" is in the topic subject? DTS audio must be bit perfect. It is not possible to compress it with a lossy encoder.
I have successfully played DTS audio CDs with my old standalone CD player using its optical output and the decoder inside my HT receiver. These DTS audio disks are apparently standard Red Book disks, but they have the DTS data coded inside the 44.1 kHz audio stream.
For some reason the same does not work with my newer standalone DVD player, although my receiver has no problems with decoding DTS audio from standard DVD video discs. Perhaps it resamples the PCM 44.1 kHz output to 48 kHz before passing it to SPDIF.