Signal processing apparatus

Details Signal processing apparatus Signal processing apparatus

2007-08-21

2007-08-21

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000

Reexamination Certificate

active

10305044

ABSTRACT:
An optimum quantization rounding process can be executed regardless of which of a digital interface or an analog interface is selected. Which of the analog interface or the digital interface is used as an input interface of a video signal is selected by an operation panel. An input selection signal and a round setting signal are outputted from a system controller. The proper input interface is selected on the basis of the input selection signal and the round setting signal is supplied to an MPEG encoder. In the encoder, quantization rounding precision upon quantization is set in accordance with a quantization scale value and is set in accordance with the selection of the analog interface or the digital interface in response to the round setting signal.

REFERENCES:
patent: 5604494 (1997-02-01), Murakami et al.
patent: 5832085 (1998-11-01), Inoue et al.
patent: 6397000 (2002-05-01), Hatanaka et al.
patent: 10-304362 (1998-11-01), None
patent: 10-304363 (1998-11-01), None

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