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Recording and playback device

A recording device and playback technology, applied in data recording, carrier indicating device, recording information storage, etc.

Inactive Publication Date: 2006-08-16
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, the above-mentioned recording and playback devices have some problems

Method used

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Examples

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Embodiment Construction

[0033] Preferred embodiments of the present invention will be described with reference to the accompanying drawings.

[0034] In the following embodiments, the present invention is applied to an apparatus for receiving digital television broadcasting signals and recording and reproducing them.

[0035] First, data to be used by the embodiment will be described.

[0036] In these embodiments, digital television signals of video data, audio data, and other data are transmitted and received in the form of an MPEG2 transport stream (hereinafter referred to as TS). The basic data unit is a transport stream packet (hereinafter referred to as TS packet) having a fixed length of 188 bytes. All data is transferred by such TS packets regardless of the type of data such as video data, audio data, and others. A TS usually consists of multiple time-division multiplexed programs. These TSs having the same number as the transponders are delivered at the same time.

[0037] Figure 2A show...

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PUM

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Abstract

An apparatus for receiving a data train multiplexing a plurality of programs each constituted of a plurality of transmission packets and recording the received data train in a storage medium, generates a storage location table storing storage location data of a predetermined transmission packet in the storage medium among a plurality of transmission packets of each program in the data train.

Description

technical field [0001] The present invention relates to a recording and reproducing apparatus, and in particular to an apparatus for recording and reproducing a television signal of a plurality of multiplexed programs each of which consists of a plurality of data packets . Background technique [0002] Recently, digital television (hereinafter referred to as digital television) broadcasting for broadcasting television signals in the form of digital signals has been proposed, and in Japan, this has been realized in the form of CS (communication satellite) broadcasting. [0003] Devices for receiving digital television broadcast signals and recording and reproducing them will now be discussed. [0004] Fig. 16 is a block diagram showing an apparatus for receiving digital television broadcast signals and recording and reproducing them. [0005] In FIG. 16 , a digital television signal received by a tuner 1601 is input to a SW circuit 1603 and a data control circuit 1615 via a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/93G11B20/10H04N5/76H04N5/92G11B27/00G11B27/10G11B27/11G11B27/32G11B27/34H04N9/804H04N9/82
CPCG11B2220/20G11B2220/65G11B2220/61G11B2220/2525G11B27/329G11B27/11H04N9/8205G11B27/105H04N9/8042G11B27/34
Inventor 大野智之
Owner CANON KK
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