Dolby Digital was first featured in the 1992 film Batman Returns. Dolby Digital audio codec is owned by Dolby Labs. This has been around longer than DTS and thus considered as the standard of the audio industry. Related Article: Soundbar vs Soundbase: How Are They Different? Both DTS and Dolby Digital audio technologies can be found in Blu-ray players, computers, gaming consoles, home theatre systems, and some smartphones. This 7.1 surround audio is called DTS:X and Dolby Atmos, respectively.
Higher levels of DTS and Dolby Digital support 7.1 channels, that is 5.1 surround sound plus overhead speakers. At their lowest levels, they both support 5.1 channel surround audio, this is the basic home theatre setup with one subwoofer and 5 speakers.
