发明名称 |
SIMULTANEOUS BROADCASTER -MIXED AND RECEIVER -MIXED SUPPLEMENTARY AUDIO SERVICES |
摘要 |
A combined signal (Z) is provided as an additive mix of a secondary audio signal (Y) and a phase-inverted reduced primary signal (Xm') obtained from a primary audio signal. The secondary signal (Y) can be restored from the primary (X) and the combined (Z) signal by additively mixing the latter with a reduced primary signal (Xm) obtained from the primary signal. This coding approach allows a supplementary audio service, in particular an audio description/video description to be distributed alongside with a multi-channel audio signal at low extra bandwidth or storage cost. |
申请公布号 |
WO2013106322(A1) |
申请公布日期 |
2013.07.18 |
申请号 |
WO2013US20665 |
申请日期 |
2013.01.08 |
申请人 |
DOLBY LABORATORIES LICENSING CORPORATION |
发明人 |
KERR, WILL |
分类号 |
G10L19/008;G09B21/00;H04N21/233 |
主分类号 |
G10L19/008 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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