Why use Dolby E? Why not use Dolby Digital?

Updated 3 weeks ago by Eric Hufford

Dolby Digital is designed for transmission to consumers. It has high bandwidth efficiency and is not optimized for multiple encode/decode cycles or editing.

Dolby E allows programs to be decoded, processed and re-encoded many times without degradation as the signal makes its way through the broadcast distribution chain. Audio and video frame rates are the same with Dolby E, enabling precise video picture edits without mutes or glitches.

Broadcasters use Dolby E to get the audio to the transmitter and Dolby Digital to get the audio from the transmitter to consumers.


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