发明名称 |
ITR DATA REPRODUCTION DEVICE, RECORDING/REPRODUCTION SYSTEM, AND INTERPOLATION FILTER |
摘要 |
<p>There is provided an ITR (Interpolated Timing Recovery) data reproduction device capable of obtaining a preferable reproduction output waveform with least distortion and executing update of sampling timing at a high speed. Each sampling cycle (Ts) of an arbitrary interpolation function f(t) is divided into a plurality of periods. Each of the divided periods is subjected to linear interpolation and data at each interpolation point in the respective divided period is calculated. Moreover, as a quotient obtained by dividing the sampling timing by an integer at one sampling interval, only the integer-expressing portion of the binary number is extracted and input sampling data (Ds) of the corresponding number are acquired to the interpolation filter so as to perform pipeline operation. As a remainder value obtained when dividing the sampling timing by an integer at the one sampling cycle, only a digitized fraction-expressing portion of the binary number is extracted and the tap coefficient of the interpolation filter is decided by using the value as a sampling timing (muk).</p> |
申请公布号 |
WO2005031738(A8) |
申请公布日期 |
2005.05.19 |
申请号 |
WO2004JP14681 |
申请日期 |
2004.09.29 |
申请人 |
SONY CORPORATION;HIGASHINO, SATORU |
发明人 |
HIGASHINO, SATORU |
分类号 |
H04L25/03;G11B20/10;H03H17/00;H03H17/06;H03L7/06;H04L7/02;H04L25/497;(IPC1-7):G11B20/10;H03H17/02;H04L7/033 |
主分类号 |
H04L25/03 |
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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