Title: Multi sound channel/Hi-Fi visual telephone
Application Number: 200610008215 Application Date: 2006.02.16
Publication Number: 1863300 Publication Date: 2006.11.15
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04N7/14,H04R5/00
Applicant(s) Name: Huawei Technology Co., Ltd. Address: 518129
Inventor(s) Name:
Attorney & Agent: hao qiangfen
Abstract:
     The invention discloses a multichannel/high-fidelity visible telephone, comprising CPU, video signal processing system, and audio signal processing system. And an audio signal input unit of the audio signal processing system comprises two independent sets of audio signal collection modules, audio signal A/D conversion modules and audio signal coding modules, where each audio signal A/D conversion module makes analog-to-digital conversion on the audio signal collected by the audio signal collection module and outputs the digital audio signal to the audio signal coding module; an audio signal output unit of the audio signal processing system comprise two independent sets of audio signal decoding modules, audio signal D/A conversion modules and audio signal output modules, where each audio signal D/A conversion module makes digital-to- analog conversion on the audio signal decoded by the audio signal decoding module and outputs the analog audio signal to the audio signal output module.
Time: 10
<- Previous Patent:Electromagnetism actuator   |  Next Patent:Vehicle directirnal sound beam tr... ->