Data reproduction apparatus and data reproduction method
First Claim
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1. A data reproduction apparatus for receiving and reproducing coded data of multimedia data, which is operated with a power supplied from a battery, said apparatus comprising:
- a reception unit for receiving the coded data;
a decoding unit for decoding the received coded data to output decoded data;
a video/audio output unit for performing image and voice output on the basis of the decoded data; and
a control unit for controlling the operation of the reception unit so as to receive only a portion of the coded data, according to the data structure of the coded data.
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Abstract
A data reproduction apparatus includes a reception unit for receiving coded data of multimedia data, a decoding unit for decoding the received coded data, and a video/audio output unit for performing image display or audio output on the basis of the decoded multimedia data, and the operation of at least one of the reception unit, the decoding unit, and the video/audio output unit is restricted according to the data structure of the inputted coded multimedia data and user setting so as to reduce consumption of battery power by the respective units.
23 Citations
20 Claims
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1. A data reproduction apparatus for receiving and reproducing coded data of multimedia data, which is operated with a power supplied from a battery, said apparatus comprising:
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a reception unit for receiving the coded data;
a decoding unit for decoding the received coded data to output decoded data;
a video/audio output unit for performing image and voice output on the basis of the decoded data; and
a control unit for controlling the operation of the reception unit so as to receive only a portion of the coded data, according to the data structure of the coded data. - View Dependent Claims (2)
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3. A data reproduction apparatus for receiving and reproducing coded data of multimedia data;
- which is operated with a power supplied from a battery, said apparatus comprising;
a transmission unit for transmitting a command for requesting the coded data to a terminal on a network;
a reception unit for receiving the coded data that is transmitted from the terminal in response to the command;
a decoding unit for decoding the received coded data to output decoded data;
a video/audio output unit for performing image and voice output on the basis of the decoded data; and
a control unit for controlling the operation of the transmission unit so as to transmit a command for requesting only a portion of the coded data, according to attributes of the multimedia data. - View Dependent Claims (4)
- which is operated with a power supplied from a battery, said apparatus comprising;
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5. A data reproduction apparatus for receiving and reproducing coded data of multimedia data, which is operated with a power supplied from a battery, said apparatus comprising:
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a reception unit for receiving the coded data;
a decoding unit for decoding the received coded data to output decoded data;
a video/audio output unit for performing image and voice output on the basis of the decoded data; and
a control unit for restricting the operation of at least one of the reception unit, the decoding unit, and the video/audio output unit according to attributes of the multimedia data, so as to suppress consumption of the battery power. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A data reproduction method for receiving and reproducing coded data of multimedia data, with a power supplied from a battery, said method comprising:
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a reception step of receiving the coded data;
a decoding step of decoding the received coded data to generate decoded data;
a video/audio output step of performing image and voice output on the basis of the decoded data; and
a control step of controlling at least one operation among the reception, decoding, and reproduction, according to attributes of the multimedia data, so as to suppress consumption of the battery power. - View Dependent Claims (19)
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20. A program for making a computer execute a process of receiving and reproducing coded data of multimedia data with a power supplied from a battery, said program including:
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a reception step of receiving the coded data;
a decoding step of decoding the received coded data to generate decoded data;
a video/audio output step of performing image and voice output on the basis of the decoded data; and
a control step of controlling at least one operation among the reception, decoding, and reproduction, according to attributes of the multimedia data, so as to suppress consumption of the battery power.
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Specification