发明名称 |
IMPROVEMENT OF AN AUDIO SIGNAL OF AN FM STEREO RADIO RECEIVER BY USING PARAMETRIC STEREO |
摘要 |
The invention relates to a method for improving a stereo audio signal of an FM stereo radio receiver. The method comprises determining one or more parametric stereo parameters based on the stereo audio signal in a frequency-variant or frequency-invariant manner. Preferably, these PS parameters are time- and frequency-variant. Moreover, the method comprises generating the improved stereo signal based on a first audio signal and the one or more parametric stereo parameters. The first audio signal is obtained from the stereo audio signal, e.g. by a downmix operation. |
申请公布号 |
EP2476269(B1) |
申请公布日期 |
2016.03.16 |
申请号 |
EP20100751815 |
申请日期 |
2010.09.07 |
申请人 |
DOLBY INTERNATIONAL AB |
发明人 |
ENGDEGARD, JONAS;PURNHAGEN, HEIKO;ROEDEN, KARL, JONAS |
分类号 |
H04S1/00;G10L19/008;H04H40/45;H04H40/72;H04H40/81;H04S3/00;H04S5/00 |
主分类号 |
H04S1/00 |
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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