DTS Digital Surround

DTS is a competing surround sound format to Dolby ® Digital. It uses the same 5.1 speaker (front left and right, centre, left and right surround, plus an LFE subwoofer), to immerse the listener in sound. One key difference between the competing digital surround formats is the placement of the surround speakers. With Dolby ® Digital the surround speakers are directly to the side of the listener; DTS calls for a speaker placement to the side and slightly behind the listener. During encoding DTS uses less compression than its competing Dolby format.  On play back information is transmitted at higher bit rates than Dolby ® Digital.  Many enthusiasts believe that DTS provides better sound quality due to the lower compression at encoding and the higher bit rate transfer. The down side of DTS is the lower compression rate used during encoding results in the audio data occupying a lot more space on a DVD, leaving less room on the disc for bonus or outtake sections. Also DTS encoding is an optional encoding format on DVD, so not all releases support this emerging surround sound format.

DTS Neo:6

DTS Neo:6 is similar to Dolby ® Pro Logic ® IIx, it can create a 6.1 surround sound field from an analog stereo signal, providing backward compatibility.

DTS-ES

DTS-ES expands on the original DTS Digital Surround 5.1 format, by adding a center back channel. DTS-ES provides an enhanced 6.1 matrix or 6.1 discrete decoding. All DTS encoded discs have a baseline DTS 5.1 format encoded for backward compatibility. The center surround channel information is heard in and between the left and light surround channels. With the 6.1 matrixed, method the center surround channel is matrixed from the left and right surround channels. A discrete centre surround channel can also be optionally encoded, when this is present, a receiver equipped with the DTS-ES processor, will send the information to the center surround channel, and subtract the matrixed information in the baseline 5.1 data from the left and right surround. DTS-ES 6.1 discrete thus provides superior localization through it center surround channel.

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