Test system of mobile telephone speaker
A mobile phone and test system technology, which is applied in the direction of public address system, electrical components, branch office voice amplifier, etc., can solve the problem of high test cost, and achieve the effect of low cost and accurate test
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0015] In the present invention, the existing and mature devices are used to form a mobile phone speaker test system, especially a sound card is used as an acquisition card to replace a dedicated audio analysis instrument and human ear test. The system has low cost and accurate testing. features.
[0016] In the production process of mobile phones, the test of mobile phone speakers mainly involves the testing of sound pressure level (Sound Pressure Level, SPL) and total harmonic distortion (Total Harmonic Distortion, THD). Whether the wave distortion is within the range specified by the customer, ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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