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Dolby AC-3 in a Broadcast Plant - PBS

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<strong>Broadcast</strong>ers and <strong>Dolby</strong> D<br />

• Licensed <strong>Dolby</strong> E equipment is<br />

expensive.<br />

• <strong>PBS</strong>, NBC and Fox relay network HD to<br />

member/affiliate station as “emission<br />

ready” MPEG2 with <strong>AC</strong>-3 audio.<br />

• 5.1 encode rate up to 640kb/s: m<strong>in</strong>imum<br />

perceivable codec concatenation quality<br />

loss.

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