Developed and introduced in 2005, the Digital Theater System format is used in HD films. DTS has a multi-channel sound with various functions. All audio information is divided into five tracks. A separate audio player is not required. The Digital Theater System format allows you to achieve the five-channel sound that is used in cinemas. The rate of the digital stream amounts to 1,536,000 bits per second. DTS is compatible with the 7.1 acoustics format and the conventional stereo format.

ac3

AC3: a Dolby Digital audio file

This is an audio file extension that allows for achieving surround sound. It is utilized in files of the DVD format. Its manufacturing company is Dolby Digital. An AC3 file is an audio stream that can be encountered as external soundtracks for films. You can download it separately and synchronize it with the movie file. The audio file contains 6 channels: upper and lower, front and rear, right and left, as well as low-frequency effects.