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Apparatus and method for stream conversion, method and apparatus for data recording and data recording medium

A recording medium and data block technology, applied in data recording, digital recording/reproduction, data buffer arrangement, etc., can solve the problems of lowering image and sound quality, long-time conversion processing, and difficult implementation, etc., and achieve effective format determination processing Effect

Inactive Publication Date: 2004-06-30
PANASONIC CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, converting an MPEG-TS multiplexed content stream into MPEG-PS requires complex calculations for decoder buffer management
Therefore, the transformation process takes a long time, requires re-encoding of the elementary stream, and may reduce the image and sound quality, so it is usually difficult to implement

Method used

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  • Apparatus and method for stream conversion, method and apparatus for data recording and data recording medium
  • Apparatus and method for stream conversion, method and apparatus for data recording and data recording medium
  • Apparatus and method for stream conversion, method and apparatus for data recording and data recording medium

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Embodiment Construction

[0106] A DVD disc, a DVD recorder, and a DVD player will be sequentially described below with reference to the drawings as specific embodiments of the data recording medium, recording system, and playback system according to the present invention.

[0107] The gist of the present invention is described in Section 8, Summary of the Invention, and Section 9, Detailed Description of the Examples. However, it should be noted that all of the following are embodiments of the present invention, although they have different relationships to the present invention.

[0108] 1. Overview of DVD recording system

[0109] 2. Function overview of DVD recorder

[0110] 3. Overview of DVD disc

[0111] 4. Outline of reproduced AV data

[0112] 5. Overview of AV data management information and playback control

[0113] 6. Basic operation of playback function

[0114] 7. Basic operation of the recording function

[0115] 8. Summary of Invention

[0116] 9. Detailed description of the embo...

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Abstract

In a recording medium storing MPEG stream, flag information (encode_condition) indicating that the stream is recorded in a format enabling easily the first stream (MPEG transport stream) to be converted into the second stream (MPEG program stream) is provided. Such as a flag information is included in Tip packet which is a control packet, in the medium. Thus it can easily determine whether the data is recorded in this format without analysis of data stored in the recording medium.

Description

technical field [0001] The present invention relates to a readable, recordable data recording medium for recording multimedia data including moving image (video) data, still image data, audio data, and formatted data for data broadcasting. The invention also relates to a system and method for recording data onto such a data recording medium. Background technique [0002] While the maximum storage capacity of recent rewritable optical discs is still 4.7 GB, phase-change DVD-RAM media with multi-megabyte storage capacities are now available. DVD-RAM media is already used as a storage medium in the computer industry and is expected to soon be used as an audio-video Recording and playback media in the (AV) field. [0003] Digital broadcasting has started in Japan, enabling video, audio, and data of multiple programs to be multiplexed into one MPEG transport stream (hereinafter referred to as MPEG-TS). Digital broadcast recording devices using hard disk drives or DVD drives ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/85G11B20/10G11B20/12G11B27/00G11B27/034G11B27/10G11B27/32H04N5/775H04N5/781H04N5/907H04N5/92H04N9/804H04N9/82H04N19/00H04N19/40H04N19/70
CPCH04N5/85G11B2220/2575G11B27/105H04N5/781G11B2020/10814G11B20/10H04N5/775G11B2220/2562G11B2020/10537H04N9/8042H04N21/4135H04N21/440218G11B2220/216G11B27/034G11B2020/10592G11B27/329G11B20/10527G11B2220/2516H04N9/8205G11B2220/2583H04N5/907G11B2220/455H04N5/91H04N5/92H04N5/76
Inventor 八木知隆矢羽田洋川崎弘二郎加藤元树中村政信威廉默斯·雅各布斯·范赫斯塔尔德克兰·帕特里克·凯利
Owner PANASONIC CORP