发明名称 |
INFORMATION SIGNAL PROCESSOR, INFORMATION SIGNAL RECORDER AND INFORMATION SIGNAL REPRODUCING DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To provide an information signal processor in which an information signal is processed while keeping the feature of the information signal. SOLUTION: A psychological audibility analysis/signal compression means 1 applies psychological audible analysis to an audio signal included in a received information signal and compresses the frequency band to output an audibility analysis signal and a coded audio signal. A feature extract means 2 extracts an audio feature component used for processing of the information signal based on the audibility analysis signal. A psychological visual analysis/signal compression means 3 applies psychological visual analysis to a video signal included in the received information signal and compresses the frequency band to output a video analysis signal and a coded video signal. A characteristics extract means 4 extracts a video feature component used for processing of the information signal based on the video analysis signal. An information recording means 5 records the coded audio signal to a recording medium 6 by using the audio feature component for an identification signal and records the coded video signal to the recording medium 6 by using the video feature component for an identification signal. |
申请公布号 |
JPH10285046(A) |
申请公布日期 |
1998.10.23 |
申请号 |
JP19970089091 |
申请日期 |
1997.04.08 |
申请人 |
SONY CORP |
发明人 |
MURABAYASHI NOBORU |
分类号 |
H04N5/91;G10L15/00;G10L15/10;G10L17/26;G10L19/00;G10L19/035;H03M7/30;H04N7/24;H04N19/00;H04N19/102;H04N19/115;H04N19/136;H04N19/154;H04N19/169;H04N19/186;H04N19/189;H04N19/196;H04N19/423;H04N19/46;H04N19/59;H04N19/60;H04N19/625;H04N19/635;H04N19/65;H04N19/70;H04N19/85 |
主分类号 |
H04N5/91 |
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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