DTS
Type of format | Lossy audio format | |
---|---|---|
First published | 1992 | |
Developed by | DTS, Inc. | |
Compression Type | CBR | Bitrate | 1.524 Mbit/s (190.5 KB memory) | Channels | 5.1 | Bits | 16, 20, 24 | Sample | 48 kHz |
Filename extension | .dts
| |
Open Format? | No | |
Free Format? | No | |
Magic Number | 7F FE 80 01 FC 3C |
|
DTS Digital Surround is a lossy audio codec developed by Digital Theater Systems, Inc. in 1991. This codec is based on the adaptive differential pulse-code modulation (ADPCM) audio data compression algorithm. It uses linear prediction and adaptive quantization. It is natively coded in big-endian byte order. One of the main advantages of DTS is that it provides high-quality audio while taking up less space than PCM. As a result, DTS has become one of the most widely used audio codecs for Blu-ray Disc titles, including both movies and music. Its popularity can be attributed to the fact that it delivers high-quality audio without taking up too much storage space, making it an ideal choice for developers who want to deploy high-quality audio without sacrificing storage capacity. It can go up to 5.1 channels and has a max bitrate of 1.524 Mbit/s (190.5 KB memory).
DTS Master Audio is an optional extension rather than an entirely new coding mechanism; it encodes an audio master in lossy DTS first, then stores a concurrent stream of supplementary data representing whatever the DTS encoder discarded. If you don't have a BD player that plays DTS-HD MA, it will only play the core lossy DTS instead. DTS:X is another extension that allows the "location" (direction from the listener) of "objects" (audio tracks) to be specified as polar coordinates. It is under the .dts extension name. For a core substream, the sync word is 0x7ffe8001. For the extension substream, the sync word is 0x02b9261.
Links
Author(s) : Æ Firestone
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