DTS-HD Master: DTS-HD-Master stands for "Digital Theater Systems High-Definition" and describes a lossless audioCodec with data rates of up to 6 Mbits/s (as a comparison: DVD with 1,536 Kbit/s), downward compatibility to DTS, an unlimited number of channels and a sampling rate of 192 kHz.
Loss-free because the digital data stream is bit-exact to 100% of the sound mixer's mix Mastering corresponds to the film.
DTS-HD Master Audio reveals 18 MB/s HD-DVD and 24,5 MB/s Blu-Ray-discs off. In addition, it enables the sound master of the cinema film to be reproduced exactly, which was not possible with the predecessor DTS due to the high bandwidth of the sound master. In addition, low data rates are supported so that additional soundtracks or audio commentary can be stored as extensions and added to the main audio core. This core audio track is DTS compatible; once the extension has been added, it can only be accessed directly from the HDMIoutput as 7.1 or downsampled to DTS compatible 5.1 channels in real time.
The Ton can be output analogously via all common outputs, however, depending Channel requires a cable. DTS-HD Master digital signals can only be transmitted unchanged via HDMI 1.3. HDMI 1.0 and 1.2 can only support DTS HD in PCM pass on dissolved. Over optical and coaxial SPDIF (interface specification for the transmission of digital audio signals) there is only the possibility of downsampling to 5.1 channels and a maximum bitrate of 1509,25 KB/s are available.