| 摘要 |
PROBLEM TO BE SOLVED: To provide a system which performs an operation analysis of a digital television receiver without changing the performance of a CPU at all. SOLUTION: The system is equipped with a tuner 1, a demodulator 2, a TS decoder 3, an AV decoder 4, a VOUT 5, an AOUT 6, a CPU 8 controlling an OSD generator 7, and a Co-processor 11 which performs the operation analysis and a stream error analysis of a digital receiver 100 using notification signals C8 from the CPU 8 as triggers on the basis of information stored in a memory 10, so that the system is capable of performing the operation analysis of the digital television receiver 100 without increasing any load imposed on the regular operation of the CPU 8. COPYRIGHT: (C)2008,JPO&INPIT
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