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Below are some of the surround sound technologies available on todays home entertainment products. Clicking on a link will open a new page with additional information. |
| Dolby® TrueHD is Dolby’s latest lossless technology, the ultimate audio experience for high-definition disc-based media. Dolby TrueHD on Blu-ray Disc™ allows viewers to hear exactly what was captured during the recording and mastering process, bringing a palpable and involving audio presence to the home theater experience. Learn more about Dolby TrueHD. |
| | Dolby Digital Plus is the next-generation audio format that delivers "better-than-DVD" sound in high-definition packaged media because it requires less compression and provides more channels (up to 7.1). Dolby Digital Plus also provides new coding efficiencies for future broadcasting and streaming of multichannel audio. Learn more about Dolby Digital Plus. |
| | Dolby Digital EX introduces a center rear channel to 5.1-channel playback, expanding the surround sound experience to 6.1 channels. It intelligently identifies audio information in the left and right surround channels. One or two speakers placed behind the listener provide increased realism for front-to-back sounds and those originating from directly behind the listener. Learn more about Dolby Digital EX. |
| | Dolby Digital is a powerful audio format that provides up to 5.1 separate channels of crystal-clear digital surround sound, bringing entertainment to life. A worldwide standard in film, broadcast, and DVDs, Dolby Digital delivers unrivaled audio in home theater systems for an exciting, enveloping surround sound experience. Learn more about Dolby Digital. |
| | Dolby Surround technology encodes four channels of audio (Left/Center/Right/Mono Surround) onto just two audio tracks for media such as TV broadcasts and feature films on VHS. On systems containing Dolby Pro Logic® technology, the audio is reconstructed to its original four-channel surround sound. Learn more about Dolby Surround. |
| | Dolby Pro Logic II creates a captivating surround sound experience from any stereo (two-channel) movie, music, TV, or game audio source. Listeners will hear all the detail and subtleties of the original stereo content, with the added luxury of full, compelling surround sound that makes the entertainment experience feel as if it's happening all around the listener. Learn more about Dolby Pro Logic II. |
| | Dolby Pro Logic IIx creates a vivid 7.1-channel surround sound experience from any stereo (two-channel), 5.1, or 6.1 movie, music, TV, or game audio source. Dolby Pro Logic IIx examines the signal and uses that information to expand audio into up to 7.1 channels of highly realistic, natural surround sound. Learn more about Dolby Pro Logic IIx. |
| | Dolby Pro Logic IIz introduces a new dimension to home theater listening through the addition of front height channels, creating a 7.1 or 9.1 playback system that enhances the spaciousness of music, movies, and video games. The height information complements the sound from the surround speakers while honoring the original intent of the content creator. Learn more about Dolby Pro Logic IIz. |
| AAC (Advanced Audio Coding) is a perceptual coding method used to compress digital audio files for efficient storage and transmission. Upon playback, the expanded files can provide sound quality nearly indistinguishable from the original sources. Learn more about AAC. |
| | MLP Lossless™ is the core technology of DVD-Audio, providing up to six full-bandwidth channels of pure, lossless audio playback that is bit-for-bit identical to studio masters. Learn more about MLP Lossless. |
| DTS-HD Master Audio provides lossless audio that matches, bit-to-bit, the original movie's studio master soundtrack and is fully backward-compatible with all DTS decoders. |
| DTS-HD Master Audio | Essential provides lossless audio that matches, bit-to-bit, the original studio master soundtrack, and is fully backward compatible with all DTS decoders. In Blue-ray format, does not decode Neo: 6. In DVD format, does not decode DTS | 96 /24, DTS | ES, ES Matrix, and DTS Neo: 6. |
| | DTS Digital Surround is the standard for providing 5.1 channels of discrete digital audio in consumer electronics products and software content. |
| | DTS-ES is the only digital audio format capable of delivering 6.1 channels of discrete audio in the consumer electronics market. DTS-ES is also fully backwards-compatible with DTS decoders that are not Extended Surround equipped. |
| | DTS 96/24 offers an unprecedented level of audio quality for multi-channel sound on DVD-Video, and is fully backward-compatible with all DTS decoders. "96" refers to a 96kHz sampling rate (compared to typical 48kHz sampling rate.) "24" refers to 24-bit word length. |
| | DTS Neo:6 provides up to six channels of matrix decoding from stereo matrix material. |
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