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Digitized multimedia video/audio system

A multimedia, audio-visual technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as high manufacturing cost, system instability, signal attenuation and distortion, and achieve the effect of reducing manufacturing

Inactive Publication Date: 2005-08-31
李雪超
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Audio and video technology has been born for decades, and now human beings have entered the network information age with highly developed technology. In the practical application of existing audio and video technology, various discrete audio peripheral equipment and related detection There are serious deficiencies in debugging instruments, such as transmission signal distortion, signal attenuation and distortion caused by connecting lines, analog circuit signal distortion, high manufacturing cost, complicated installation and use, and the physical loss of the equipment itself and the large size caused by too many discrete equipment. and system instability

Method used

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  • Digitized multimedia video/audio system
  • Digitized multimedia video/audio system
  • Digitized multimedia video/audio system

Examples

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Embodiment Construction

[0016] 1. See figure 1 This is the first embodiment, a digital multimedia audio-visual system (0) circuit schematic diagram that uses a universal computer motherboard to integrate an audio power amplifier circuit. Use special computer audio card (7) and general computer components: computer motherboard (2), computer standard power supply (6), computer video card (8), computer multimedia decompression card (9), computer network card (10), computer hard disk Memory (11), computer multimedia application software and multimedia file library (12) built into the computer hard disk, audio card function expansion module circuit (17), power amplifier power supply (18), and integrated audio power amplifier circuit (20), power Amplifier automatic switch machine power control module circuit (1). The working process of the system is: the audio signal is collected by the audio card function expansion module circuit (17) and transmitted to the special computer audio card (7) signal input interf...

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Abstract

The present invention relates to a design method of digitized multimedia image voice system and its equipment. It is characterized by that said invention uses special computer voice-frequency card and general computer component, and voice frequency card function expansion module circuit, related computer application software and integrated traditional voice frequency power amplifier circuit so as to implement the digitization application of multimedia image voice system and implement digitized signal processing and transmission, and can be substituted for all the discrete acoustic peripheral equipments and related detection and debugging instruments in the traditional acoustic equipment.

Description

Technical Field: [0001] The invention relates to a design method and device of a digital multimedia audio-visual system, belonging to the field of electronic technology, and is characterized by using a dedicated computer audio card and general computer components, and audio card function expansion module circuits, related computer application software, and integrating traditional audio Power amplifier circuit. In this way, the digital application of the multimedia audio-visual system is realized, the real digital signal processing and transmission are realized, and all the discrete audio peripheral equipment and related testing and debugging instruments in the traditional audio equipment, such as mixer, equalizer, Compressors, exciters and other peripheral equipment and audio oscilloscopes, audio signal generators, audio spectrometers, audio spectrum analyzers, audio sound imagers and other testing and debugging equipment. This invention has made significant progress in the applic...

Claims

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Application Information

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IPC IPC(8): G06F13/00G06F17/00
Inventor 李雪超
Owner 李雪超
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