发明名称 |
Method and apparatus for the compression and/or transport and/or decompression of a digital signal |
摘要 |
A method is described for compressing and/or transporting and/or decompressing a digital signal. The most significant bits of a sample of the digital signal are compressed and transported as a compressed transport sample. Methods are used to improve the compression and transport as hybrid DPCM and a dynamic shift of clip range of prediction errors. For every sample, not only a compressed transport sample but also a residual transport sample is transmitted. The residual transport sample is either equal to the least significant bits of the sample or equal to a substitution value which is a function of the clipping error from the compression of the most significant bits of the said sample. Apparatuses are described for compression and/or transport and/or decompression of a digitized television IF signal according to the method.
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申请公布号 |
US7142604(B2) |
申请公布日期 |
2006.11.28 |
申请号 |
US20040757707 |
申请日期 |
2004.01.14 |
申请人 |
SCIENTIFIC-ATLANTA, INC. |
发明人 |
DE LAMEILLIEURE JAN L. P. |
分类号 |
H04N7/12;G06T9/00;H03M7/30;H03M7/36;H04N7/26 |
主分类号 |
H04N7/12 |
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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