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Audio testing system and method for mobile communication terminal

A mobile communication terminal and audio testing technology, applied in the field of acoustic technology and communication, can solve problems such as lack of scalability and operability, and achieve the effect of intuitive and convenient operation and results, and intuitive and convenient analysis method.

Inactive Publication Date: 2008-02-27
BEIJING WULONG TELECOM TECH +1
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AI Technical Summary

Problems solved by technology

At present, most audio test systems do not have a separate software control platform, so their scalability and operability are still lacking, such as the most widely used audio test system of Rohde & Schwarz

Method used

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  • Audio testing system and method for mobile communication terminal

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Embodiment Construction

[0023] The audio frequency test system of the mobile communication terminal that the present invention proposes is described in detail as follows in conjunction with accompanying drawing and embodiment:

[0024] The audio frequency testing system embodiment structure of the mobile communication terminal that the present invention proposes is as shown in Figure 1, comprises MT8820B type or MD8470A type wireless communication base station simulator, audio frequency test analyzer (model is UPL16), system control platform, anechoic chamber ( Adopt the anechoic chamber of prior art), preamplifier (model is BK2690A0F2), acoustic simulation equipment (adopt the same equipment of prior art, including artificial head pedestal (B&K 4602B), simulation artificial mouth (B&K 4227) and simulation Artificial ear (B&K 4185 4195)) and connecting cables; the system control platform controls the audio test analyzer through the GPIB bus and reads the data; the main function of the wireless communi...

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Abstract

This invention relates to an audio test system and a method of mobile communication terminals, in which, the sytem includes: a radio communication base station simulator, an audio test analyzer, a system control platform, a noise eliminating chamber, a preamplifier and an acoustic simulation device, said method includes test to the evaluation values of transmission loudness and receiving loudness, noise of idle channels, transmission flexibility / frequency character, receiving flexibility / frequency character, evaluation value of side sound mask, loss of stability, echo control of acoustics and T-R distortion, and also includes evaluation value of side sound mask, out-of-band signals and suppression to environmental noise of listeners.

Description

technical field [0001] The invention belongs to the fields of acoustic technology and communication technology, and in particular relates to audio testing equipment and testing methods for mobile communication terminals. Background technique [0002] The audio test is mainly aimed at the audio index test of various communication terminals such as mobile phones, landline phones and mobile phones, so as to ensure the audio performance of the communication terminals. The existing audio test system consists of an audio test analyzer (UPL16), a preamplifier, and an acoustic simulation Equipment composition (it includes artificial head pedestal, simulated artificial mouth and simulated artificial ear) The system has covered the GSM / WCDMA field, and the audio indicators involved in the test mainly include the following: sending loudness evaluation value, receiving loudness evaluation value, Idle channel noise, transmit sensitivity / frequency characteristic, receive sensitivity / frequ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/34H04M3/22
Inventor 宋崇汶高勇王南陆冰松孙向前曲岩应钦刘娜
Owner BEIJING WULONG TELECOM TECH
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