Blu Ray Jargon 101 – Audio Acronyms

BD-ROM players are required to support Dolby Digital, DTS and linear PCM. They may optionally support the others.

There are two formats for audio files: PCM and DTS. The difference between the two has to do with how the data is stored.

Linear PCM (LPCM) – up to 8 channels of uncompressed audio, standard format used in
computers, older electronic music keyboards, some CDs audio
DTS is a predecessor of the DVD audio.

PCM format
DOLBY Digital (DD) – format used for DVDs, 5.1-channel surround sound
Dolby Digital Plus – 7.1-channel surround sound
Dolby TrueHD – lossless encoding of up to 8 channels of audio

DTS format
DTS – 5.1-channel surround sound
DTS-HD High Resolution Audio – 7.1-channel surround sound
DTS-HD Master Audio – lossless encoding of up to 8 channels of audio

HDMI (digital) – up to 8 channels of digital audio

Tags: BD-ROM, Dolby, DTS, HDMI, PCM

This entry was posted on November 23, 2009 at November 23, 2009 and is filed under General Information about Blu Ray Players. You can follow any responses to this entry through the RSS 2.0 feed.