DTS (Digital Theater Systems) is a multi-channel digital surround sound format, also known as DTS Coherent Acoustics. DTS Coherent Acoustics standard is published by the ETSI (ETSI 102 114 v1.2.1) [ETSI02].
The core DTS specification supports up to 6 audio channels (5.1 configuration) with the sampling frequency between 8kHz and 48kHz. Further specification extensions allow for an additional 2 channels and/or additional high frequency data to be included. Audio is encoded by splitting it into 32 subbands, which are then encoded using ADPCM.
The table below lists the DTS macro and constant definitions.
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