Rather than define a fixed number of channels, one for each speaker, DTS:X allows the 'location' (direction from the listener) of 'objects' (audio tracks) to be specified as polar coordinates.

(DTS Coherent Acoustics' coding system has been selected as mandatory audio technology for both the Blu-ray Disc. DTS-HD Master Audio and Dolby TrueHD are the only technologies that deliver compressed lossless surround sound for these new disc formats, ensuring the highest quality audio performance available in the new standards.

If more than two channels are used, a 'channel remapping' function allows for remixing the soundtrack to compensate for a different channel layout in the playback system compared to the original mix.Īll Blu-ray players can decode the DTS 'core' resolution soundtrack at 1.5 Mbit/s, however, as DTS-HD Master Audio is also implemented as a standard DTS core plus extensions, but cannot decode audio from DTS audio CDs. DTS-HD MA supports variable bit rates up to 24.5 Mbit/s, with up to 6 channels encoded at up to 192 kHz or 8 channels and nine objects encoded at 96 kHz/24 bit. It supports a virtually unlimited number of surround sound channels, can deliver audio quality at bit rates extending from lossless (24-bit, 192 kHz) down to DTS Digital Surround and, like Neo, downmix to 5.1 or 2.1 systems.ĭTS-HD Master Audio is selected as an optional surround sound format for Blu-ray, where it has been limited to a maximum of 8 discrete channels. DTS-HD Master Audio, previously known as DTS++, is the second of two DTS-HD audio formats.

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