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Information processing device, information processing method, transmission device, transmission method, multiplexing device, multiplexing method

An information processing device, device technology, applied in the field of information processing, transmission, or multiplexing devices and methods

Inactive Publication Date: 2012-05-30
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, other audio stream extensions cannot be added

Method used

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  • Information processing device, information processing method, transmission device, transmission method, multiplexing device, multiplexing method
  • Information processing device, information processing method, transmission device, transmission method, multiplexing device, multiplexing method
  • Information processing device, information processing method, transmission device, transmission method, multiplexing device, multiplexing method

Examples

Experimental program
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Effect test

no. 1 example

[0253] Figure 4 is a diagram showing an example of the overall configuration of the first embodiment of the transmission / reception system to which the present invention is applied.

[0254] This transmission / reception system 40 includes a transmitter 41 and a receiver 42 . The transmitter 41 is, for example, a device such as a broadcasting station that transmits a plurality of TS packets, and the receiver 42 is, for example, a home device such as a home set-top box.

[0255] In the first embodiment, the transmitter 41 encodes an audio stream and transmits the resulting TS packets, and the receiver 42 receives and decodes the TS packets and obtains the resulting audio stream.

[0256] Figure 5 is showing Figure 4 A block diagram of an example of the configuration of the transmitter 41.

[0257] The transmitter 41 includes: an input section 71, an audio encoder 72, a basic buffer 73, extension buffers 74-1 to 74-n, an extraction information adding section 75, a PES packet...

no. 2 example

[0483] Then, the second embodiment of the transmission / reception system to which the present invention is applied is described.

[0484] Figure 29 An example of the second embodiment of the transmission / reception system to which the present invention is applied is shown. Limitations in the case where the transmitter 511 encodes an audio stream by using MPEG (Moving Picture Experts Group) 2-TS (Transport Stream) (hereinafter referred to as MPEG2-TS) technology Figure 29 is described.

[0485] The transmitter 511 is a device at a place such as a broadcasting station for transmitting a stream including a plurality of MPEG2-TS packets. For example, the transmitter 511 encodes a video or audio stream by using MPEG2-TS technology when assuming a virtual receiver 512 at the receiving end, and transmits the encoded stream to an actual receiver (not shown).

[0486] The second embodiment will be described assuming that the transmitter 511 encodes an audio stream into TS packets (a...

no. 3 example

[0584] Next, a third embodiment of the transmission / reception system to which the present invention is applied is described.

[0585] Figure 40 An example of the configuration of the third embodiment of the transmission / reception system to which the present invention is applied is shown. Limitations in the case where the transmitter 811 encodes an audio stream using MPEG (Moving Picture Experts Group) 2-TS (Transport Stream) (hereinafter referred to as MPEG2-TS) technology Figure 40 is described.

[0586] The transmitter 811 is a device for transmitting a stream including a plurality of MPEG2-TS packets in a place such as a broadcasting station. For example, the transmitter 811 encodes a video or audio stream by using MPEG2-TS technology when assuming a virtual receiver 812 at the receiving end, and transmits the encoded stream to an actual receiver (not shown). The transmitter 811 also encodes (multiplexes TS packets) the stream by using MPEG2-TS technology when a virtua...

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Abstract

There are provided a data structure, an information processing device, an information processing method, a transmission device, a transmission method, a multiplexing device, a multiplexing method, and a program enabling a reception side to surely decode an audio stream having a basic stream and an extended stream and subjected to hierarchical encoding. A TS packetization unit (537) packetizes thebasic audio stream and the extended audio stream into TS packets and a control unit (535) controls timing of transmission of the TS packets. Here, the control unit (535) controls timing of multiplexing the TS packet at such a timing that an elementary buffer of a virtual reception device will not overflow or underflow. The present invention may be applied to a multiplexing device for multiplexingTS packets.

Description

Technical field [0001] The invention involves data structure, information processing equipment, information processing methods, sending equipment, sending methods, multi -way reuse equipment and multi -way reuse methods, and procedures.Including the data structure, information processing equipment, information processing methods, sending equipment, sending methods, multi -road reuse methods, multi -road reuse methods, and procedures of the grades of basic flow and expansion flow. Background technique [0002] The method of grouping and encoding (multi-way reuse) video and audio stream includes MPEG (sports image expert group) transmission flow technology (hereinafter referred to as MPEG2-TS technology). [0003] figure 1 It is a schematic diagram of restrictions under the condition of using MPEG2-TS technology to perform coding.Transfer 1 uses MPEG2-TS technology to encode video and audio streams and send the encoding stream.In this case, by assuming that the virtual receiver 2...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L19/00G11B20/10H04J3/00G11B20/12H04L13/08H04N7/173H04N21/2368H04N21/81
CPCH04N21/2368H04N21/4341G10L19/24H04J13/10G11B20/10H04N7/12
Inventor 加藤元树岩绫子
Owner SONY CORP
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