DVD-A discs can also include AC3 and DTS tracks for some DVD-V compatibility, but you need a DVD-A or 'universal' player and this makes the format much less popular than its DVD-V cousin.Īn SACD is a dual-layer disc that offers a Red Book 16-bit stereo mix which conventional audio CD players can read, plus a second layer that carries a high-resolution six-channel mix, as well as a separate high resolution stereo mix. It can support up to six channels of 96kHz, 24-bit uncompressed PCM audio, as well as a separate high-resolution stereo mix. This format offers much higher quality audio delivery at the expense of the video options. DTS Digital Surround is an alternative encoding format that can be included on a DVD-V along with the Dolby Digital track some producers prefer the sonic qualities of DTS, as it can be encoded at up to 1536kbps at 24-bit, 96kHz. Dolby Digital can be encoded at up to 448kbps at a maximum resolution of 24 bits and 48kHz, and can be used to encode both 2.0 (stereo) and 5.1 surround content. However, for the DVD to be able to deliver all this data, everything must be data-compressed and encoded.ĭolby Digital, which is also referred to as AC3, is the mandatory audio format for DVD-V discs. The format can carry up to eight channels of audio, consisting of a six-channel surround mix and a separate stereo mix, as well as video content, menus and so on. This is by far the most common surround-capable format available to the consumer. In this article I'll be looking at some of the common formats available that allow the consumer to enjoy surround sound, and a selection of the software available for converting our Pro Tools surround mixes into one of those formats. Like many other DAWs, Pro Tools enables us to create multi-channel mixes, but unless we want to provide every consumer with a Pro Tools HD system so they can hear our work, we need a set of tools to put our surround mixes into a format that the end user can access and enjoy. Pro Tools users have a choice of software for this purpose.
If you want other people to hear your surround mixes, you'll need to encode them into a consumer format.
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