WHAT AUDIO CODECS DOES BLU-RAY SUPPORT?
Linear PCM (LPCM) – offers up to 8 channels of uncompressed audio. Dolby Digital (DD) – format used for DVDs also known as AC3, offers 5.1-channel surround sound. Dolby Digital Plus (DD+) – extension of DD, offers increased bitrates and 7.1-channel surround sound. Dolby TrueHD – extension of MLP Lossless, offers lossless encoding of up to 8 channels of audio. DTS Digital Surround – format used for DVDs, offers 5.1-channel surround sound. DTS-HD – extension of DTS, offers increased bitrates and up to 8 channels of audio. Please note that this simply means that all Blu-ray players and recorders will have to support playback of these audio codecs, it will still be up to the movie studios to decide which audio codec(s) they use for their releases.