Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Sound signal processing device and method for digital data recording and playing device

A sound signal processing and playback device technology, which is applied to digital memory information, sound-generating instruments, electro-acoustic musical instruments, etc., can solve problems such as troublesome use, limit of the use range of MP3 players, and inability to mix and record sound signals, etc., and achieve the effect of convenient use

Inactive Publication Date: 2007-06-27
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the sound signal input through the microphone 190 may be stored after MP3 signal processing in the MP3 codec 150, it is only limited to recording a simple sound signal.
That is, the audio signal cannot be mixed and recorded in the user's favorite background sound
Then, in order to add background sound to the sound signal, only another external device that is the same as the editing program of the computer can be used, which causes troubles in use and the problem that the use range of the MP3 player has a certain limit.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Sound signal processing device and method for digital data recording and playing device
  • Sound signal processing device and method for digital data recording and playing device
  • Sound signal processing device and method for digital data recording and playing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] Embodiments of the audio signal processing device and method of the digital data recording and playback device of the present invention will be described in detail below with reference to the accompanying drawings.

[0036] Fig. 2 is a block diagram of the audio signal processing device of the digitized data recording and reproducing device according to the embodiment of the present invention.

[0037] The present invention is to control the background music signal desired by the user to be mixed in the sound signal input through the microphone to become an MP3 file.

[0038] Next, in the embodiment of the present invention, as shown in the figure, the sound signal source 45 that generates the input sound signal through the same device as the microphone and generates radio communication signals or other stored background music signals, etc. The background music signal source 55 of the background music signal, the sound signal generated in the above-mentioned sound signa...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

This invention relates to a sound signal process device and a method for digitalized data recording and playing device including: a sound signal source generating sound signals, a background music signal source storing many music files and outputting selected music files, a mixed process device mixing and processing mixed sound signals and sound signals of background music and its signals, a MP3 encoder encoding the output of the mixed process device and chaged by the MP3 file and a storage storing output by the MP3 encoder.

Description

technical field [0001] The present invention relates to the technology of the digital data recording and playing device, in particular to the sound signal processing device and method for setting background sound in the input sound signal of the digital data recording and playing device and recording. Background technique [0002] One of the most widely used digitized data recording and playback devices recently is an MP3 player. The aforementioned MP3 player is one of the audio components of the MPEG (Moving Picture Expert Group) technology. The above-mentioned MP3 player is relatively very small in size compared with a cassette insertion type compact audio machine or a CD player, and consumes little power because it does not drive the motor. Because the MP3 player has the advantages of being able to play for a long time, being small and easy to carry, its utilization range is constantly expanding. [0003] FIG. 1 is a structural diagram of a general MP3 player. [0004]...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G10K15/00G10H1/00G11C7/00
Inventor 金弘教
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com