Panasonic Corporation

Takayuki Ejima

Akihiro Miyazaki

Yoichi Nishida

Yasunori Sato

Masaru Ohba

A data processor comprises a decoder for decoding the compressed data into decoded data while reading the compressed data from a first data storage, a second data storage for storing therein the decoded data, a DA converter for converting the decoded data into an analog signal while reading the decoded data in real-time, a first controller for controlling the decoder to perform intermittent operation by executing a process between reading the compressed data and storing the decoded data at a speed faster than real-time, a clock/power controller for making a restriction of power consumption of the decoder and the first controller in downtime of the intermittent operation, a second controller for outputting a control signal in accordance with the storage state of the decoded data, and an activation controller for controlling the clock/power controller to lift the restriction in response to reception of the control signal.

Clock and power control for intermittent operation of decoder

It is an object of the present invention to provide a contents reproducing device which can perform an intermittent operation with improved responsiveness to user request. The contents reproducing device according to the present invention includes: an input operation unit (), a system state managing unit (), a system information storing unit (), a contents reproduction control unit (A) (), a state after next candidate extracting unit (), a contents reproduction control determining unit (), and a contents reproducing unit (). The contents reproduction control determining unit () determines whether or not a candidate related to the contents reproduction control is in the state after next candidates extracted by the state after next candidate extracting unit (). Therefore, the contents reproducing device according to the present invention can improve responsiveness to the user request by shortening the cycle of the intermittent operation of the contents reproducing unit () when it is determined that there is a possibility that a user request related to the contents reproduction control is inputted, and by lengthening the cycle of the intermittent operation of the contents reproducing unit () when it is determined that there is no possibility that a user request related to the contents reproduction control is inputted.

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Fukuoka, Japan

Takayuki Ejima