| What is Dolby Digital 5.1? |
Dolby Digital, also known as AC-3, is an audio technique developed to compress as many as 6 channels of crystal clear digital surround sound into a single digital bitstream which reduces storage requirements.
With a maximum of 6 separate channels, the left, center and right channels located in front of you provide precise, clear positioning of dialogue. Two separate channels located behind you deliver immersive ambient sounds whilst the subwoofer/effects channel sends an explosive punch during action sequences. The combination of 5 discrete channels and 1 subwoofer is commonly known as the 5.1 configuration. The 5.1 sound aspect is the most important, since it allows you to reproduce the film's soundtrack exactly as it was heard in the cinema.
Please note: DVDs marked with the Dolby Digital logo does not automatically mean that it has surround sound or that there are 6 channels of audio encoded in it. It means that the audio information has been compressed using the Dolby Digital technique.
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