| Dolby Digital | 5 discrete, full-bandwidth channels (front left & right, center, surround left & right) | up to 5.1 | all DVDs, Broadcast HDTV, Satellite & Cable TV, Video games |
| DTS® | 5 discrete, full-bandwidth channels (front left & right, center, surround left & right) | 5.1 | some DVDs (Non-HD type),Audio CD’s |
| DTS Neo:6 | 2 discrete, full-bandwidth channels (front left & right) | up to 6.1 | broadcast TV programs, stereo music, some video games |
| Dolby Pro Logic IIx | 2 discrete, full-bandwidth channels (front left & right) | 6.1 | broadcast TV programs, stereo music, some video games |
| Dolby Digital EX | 5 discrete, full-bandwidth channels (front left & right, center, surround left & right) | 6.1 | some DVDs (Non-HD type), regular Dolby Digital 5.1 DVDs can also be used with a Dolby Digital EX |
| THX Surround EX™ | 5 discrete, full-bandwidth channels (front left & right, center, surround left & right) | 6.1 | can decode any Dolby Digital or Dolby Digital EX source, can be used to enhance Pro Logic, Pro Logic II, DTS, or DTS-ES decoding Pro Logic II, DTS, or DTS-ES decoding |
| DTS-ES™ | 6 discrete, full-bandwidth channels (front left & right, center, surround left & right, & back surround) | 6.1 | some DVDs (Non-HD type), regular DTS 5.1 DVDs can also be used with a DTS-ES decoder |
| Dolby Digital Plus | 7 discrete, full-bandwidth channels (front left & right, center, surround left & right, & back left & right surround) | 7.1 | Some Blu-ray and HD discs Downconvertible on a 5.1-channel system |
| Dolby TrueHD (lossless) | 7 discrete, full-bandwidth channels (front left and right, center, surround left & right, & back left & right surround) | 7.1 | Some Blu-ray and HD discs Downconvertible on a 5.1-channel system Produces sound that's "bit-for-bit" identical to the original recording |
| DTS-HD™ | 7 discrete, full-bandwidth channels (front left & right, center, surround left & right, & back left & right surround) | 7.1 | Some Blu-ray and HD discs Downconvertible on a 5.1-channel system |
| DTS-HD Master Audio (lossless) | 7 discrete, full-bandwidth channels (front left & right, center, surround left & right, & back left & right surround) | 7.1 | Some Blu-ray and HD discs Downconvertible on a 5.1-channel system Produces sound that's "bit-for-bit" identical to the original recording |