Dolby Digital

What is Dolby Digital?

Dolby Digital is a surround sound technology used in many audio and video products, including home theater systems, DVD and Blu-ray discs, and streaming services.

It was first introduced in 1991 by Dolby Laboratories and is also known as AC-3. Dolby Digital uses a technique called perceptual coding to compress digital audio files while maintaining high-quality sound. It supports up to 5.1 channels of audio, which allows for a more immersive listening experience by creating directional sound effects and a sense of depth and space in the audio. Dolby Digital is widely used in home theater systems, where it can be decoded by a compatible receiver or soundbar to produce high-quality surround sound. It is also commonly used in video streaming services such as Netflix and Amazon Prime Video to provide high-quality audio for movies and TV shows. In addition to Dolby Digital, there are other versions of Dolby's surround sound technology, including Dolby Digital Plus and Dolby Atmos, which offer even more advanced audio features and support for additional channels of audio. Overall, Dolby Digital has become a standard in the audio and video industry and is widely recognized for its high-quality surround sound capabilities.

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Dolby Digital

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