![]() The three front channels (Left, Center, and Right) provide crisp, clean dialogue and accurate placement of onscreen sounds. The Role of Each Channel in 5.1 SoundThe channels in a 5.1 audio mix serve distinct purposes. ![]() It ensures you enjoy a high-quality audio experience, whether you're listening on a mono, stereo, or 5.1-channel system, and also lets content creators offer additional features so you have more control over playback. ![]() Once distributed, the compressed audio needs decoding.At the cinema, this decoding occurs in an audio processor, while in your home it can take place in a DVD player, a set-top box, a game console, or another familiar piece of equipment.To ensure consistent playback regardless of your specific setup, Dolby Digital uses something called metadata.Metadata is a set of instructions created during programming production and carried in the Dolby Digital bitstream. ![]() ![]() This process is called encoding.But rather than simply converting waveforms to numbers blindly, Dolby Digital analyzes the original audio and intelligently determines what parts of the audio track are important to keep and what parts you're less likely to hear.By retaining the important parts of the audio track and eliminating redundant data, Dolby Digital delivers excellent multichannel sound at low data rates.The distribution of Dolby Digital audio can take many forms: a film print, a DVD, a television broadcast, a download. ![]()
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