发明名称 |
ADJUSTING THE LOUDNESS OF AN AUDIO SIGNAL WITH PERCEIVED SPECTRAL BALANCE PRESERVATION |
摘要 |
<p>The loudness of an audio signal is adjusted while reducing changes in its perceived spectral balance, using a dynamically-controllable filter having a high-frequency response characteristic and a low-frequency response characteristic, controlled by dynamically-changing information on the desired gain in each of a plurality of frequency bands of the audio signal.</p> |
申请公布号 |
EP2427882(A1) |
申请公布日期 |
2012.03.14 |
申请号 |
EP20100720321 |
申请日期 |
2010.04.29 |
申请人 |
DOLBY LABORATORIES LICENSING CORPORATION |
发明人 |
MCGRATH, DAVID, S. |
分类号 |
G10L21/02;H03G3/32;H03G9/02;H03G9/14 |
主分类号 |
G10L21/02 |
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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