发明名称 APPARATUS AND SYSTEM FOR PROVIDING WIDEBAND VOICE QUALITY IN A WIRELESS TELEPHONE
摘要 A wideband voice electro-acoustic apparatus for a wireless telephone, including a mouthpiece for a wireless telephone. The mouthpiece has a wideband voice frequency response/passband in the frequency range of 200 Hz to 7000 Hz. The apparatus also includes an earpiece for a wireless telephone. The earpiece has a wideband voice passband in the frequency range of 200 Hz to 7000 Hz. The wideband voice electro-acoustic apparatus improves the voice quality of wireless voice band communication over that available using a conventional wireless telephone having an electro-acoustic passband smaller than 200 Hz to 7000 Hz.
申请公布号 WO03079654(A3) 申请公布日期 2003.12.31
申请号 WO2003US07949 申请日期 2003.03.13
申请人 QUALCOMM, INCORPORATED 发明人 OLIVEIRA, LOUIS, DOMINIC
分类号 H04M1/03;H04R1/22;H04R1/28 主分类号 H04M1/03
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