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Audio signal encoding and reproducing apparatus

An encoding method and technology for sound signals, applied in the field of encoding and decoding of audio signals, can solve the problems of poor ease of use, difficulty in real-time management, and inability to extract song title text information.

Inactive Publication Date: 2009-04-22
JVC KENWOOD CORP
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  • Description
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AI Technical Summary

Problems solved by technology

[0005] (1) The audio signal and the video signal are integrated, and the recording capacity of the audio signal is less
[0006] (2) Cannot manage the time of the audio signal
[0007] (3) Simple text information such as song titles cannot be retrieved
However, in a DVD video disc, the video directory block unit is composed of a pilot control packet (CONT packet) and a plurality of video (V) packets and audio (A) packets, and the playback of V and A packets is controlled by the CONT packet. , Therefore, for the situation of mainly recording audio signals, the user cannot simply replay, and there is a problem that the convenience of use is deteriorated.
[0009] In the DVD video disc, since the time management is only performed in units of video frames, in the case of recording mainly based on the audio signal, compared with the video disc, the continuity of the audio signal is important, and real-time management is difficult. questions like this

Method used

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  • Audio signal encoding and reproducing apparatus
  • Audio signal encoding and reproducing apparatus
  • Audio signal encoding and reproducing apparatus

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Embodiment Construction

[0146] Embodiments of the present invention will be described below with reference to the drawings. figure 1 It is a schematic diagram representing an embodiment of the format of a DVD video disc and the format of a DVD audio disc involved in the present invention, figure 2 is detailed figure 1 A schematic diagram of the Audio Manager (AMG) format, image 3 is detailed figure 1 A schematic diagram of the format of the Audio Title Set (ATS), Figure 4 is detailed figure 2 A schematic diagram of the format of the Audio Manager Information (AMGI), Figure 5 is detailed Figure 4 A schematic diagram of the format of the Audio Title Set Attribute Table (ATS-ATRT), Image 6 is detailed Figure 5 A schematic diagram of the format of the audio title set attribute data (ATS-ATR), Figure 7 is detailed image 3 A schematic diagram of the format of the Audio Title Set Information (ATSI), Figure 8 is detailed Figure 7 A schematic diagram of the format of the Audio Title Set...

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Abstract

The invention relates to a CD recording mainly in the audio signal that can simple replay by the user, and enable real-time management becomes simple. Its format doesn't include VTS but only form by ATS, which comprises the Audio Management (AMG), the audio management menu (AMGM) of audio video and audio and ATS1 managed by the AMGI of AMG.

Description

[0001] This application is a divisional application of the application filed on November 19, 1998 with the application number 98124848.9 and the title of the invention is "Audio Signal Coding Device, Turntable and Its Playback Device". technical field [0002] The invention relates to a coding device for audio signals, a disc and its reproducing device, and an audio reproducing device. Background technique [0003] As a conventional optical disc for audio reproduction, a CD (Compact Disc) is known. DVD (Digital Video Disc) is known as an optical disc having a higher density than CD. [0004] But, in DVD (hereinafter referred to as DVD video disc), because be mainly to record video signal, secondary record audio signal, and there is following problem: [0005] (1) When an audio signal and a video signal are integrated, the recording capacity of the audio signal is small. [0006] (2) The time of the audio signal cannot be managed. [0007] (3) Simple text information such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B20/10G11B20/12G11B27/034G11B27/10G11B27/11G11B27/30G11B27/32
Inventor 田中美昭植野昭治渕上德彦
Owner JVC KENWOOD CORP
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