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Handset for playing music in calling course and its method

A technology for calling process and playing music. It is used in telephone communication, electrical components, branch equipment, etc. It can solve problems such as data transmission interference, and achieve the effects of high signal reliability, small changes, and improved flexibility.

Active Publication Date: 2006-02-22
HUIZHOU TCL MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the communication module emits high-frequency signals, the method of mixing by the mixer after the analog-to-digital conversion by the communication module will cause great interference to the internal data transmission of the mobile phone

Method used

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  • Handset for playing music in calling course and its method
  • Handset for playing music in calling course and its method
  • Handset for playing music in calling course and its method

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0025] Examples such as figure 1 Shown, a kind of mobile phone that plays music during the conversation, comprises CPU1, D / A converter 2, mixer 3, microphone 4 and GSM module 5, and GSM module 5 is the communication module of mobile phone and also is the radio frequency that usually says; During the call, the input end of CPU1 and D / A converter 2 is connected through the digital audio interface, the output end of D / A converter 2 is connected with one input end of mixer 3, and the other end of microphone 4 is connected with mixer 3. The input end is connected, and the output end of the mixer 3 is connected with the microphone input end of the GSM module 5 . In this embodiment, audio codec7 can be directly used to realize the functions of D / A converter and mixer.

[0026] work process:

[0027] Such as figure 2 As shown, during a mobile phone call, the user selects in his mobile phone the music file that he wants the other party to share during the call; CPU1 decodes the mus...

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PUM

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Abstract

The invention discloses a mobile phone which can play music in the process of conversation, comprising: a central processing unit, a microphone, a communication module and an audio multimedia digital signal encoder / decoder. When the mobile phone is in the process of conversation, the central processing unit accesses the inlet of audio multimedia digital signal encoder / decoder; the microphone accesses another inlet of audio multimedia digital signal encoder / decoder; the output of audio multimedia digital signal encoder / decoder is accessed by the microphone inlet of communication module. The invention also discloses its relative method, comprising: when the mobile phone is in the process of conversation, user can select any stored music document which is encoded by the central processing unit and transmitted to the audio multimedia digital signal encoder / decoder which will send processed music document via communication module; when the receiving end receives the processed signal, user can listen the collected music which is wanted to be shared. The invention can improve the flexibility of mobile phone conversation significantly.

Description

technical field [0001] The invention relates to a mobile phone for playing music during a call and a method thereof. Background technique [0002] The process of playing music on the mobile phone is as follows: the music files stored in the mobile phone are transmitted to the central processing unit (CPU) for decoding, and the obtained pulse code modulation (Pulse Code Modulation, PCM) data is sent to the computer through the digital audio interface. The audio multimedia digital signal codec (audiocodec), and then the differential signal output by the audio codec is directly input to the built-in speaker of the mobile phone for playback. [0003] The process of a mobile phone voice call is: the caller transmits the sound signal input from the microphone to the audio codec, and then the differential signal output by the audio codec is directly input to the microphone input port of the Global System for Mobile Communications (GSM) module, that is, the mobile phone The sound i...

Claims

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Application Information

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IPC IPC(8): H04M1/00H04Q7/32
Inventor 李香来
Owner HUIZHOU TCL MOBILE COMM CO LTD
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