发明名称 |
Method and apparatus for mobile phone using semiconductor device capable of inter-processing voice signal and audio signal |
摘要 |
A method and apparatus of mobile phone using a semiconductor device includes a first converter, a second converter, a first digital processing circuit, and a second digital processing circuit. The first converter converts a first digital audio signal sampled with a predetermined audio sampling frequency into a second digital audio signal sampled with a predetermined voice sampling frequency. The second converter converts a first digital voice signal sampled with the predetermined voice sampling frequency into a second digital voice signal sampled with the predetermined audio sampling frequency. The first digital processing circuit performs a predetermined digital computation on the second digital audio signal sampled with the predetermined voice sampling frequency and a third digital voice signal. The second digital processing circuit performs the predetermined digital computation on the second digital voice signal sampled with the predetermined audio sampling frequency and the first digital audio signal sampled with the predetermined audio sampling frequency.
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申请公布号 |
US7437298(B2) |
申请公布日期 |
2008.10.14 |
申请号 |
US20040802318 |
申请日期 |
2004.03.16 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
MUKAI TAKUO;IMAI YUKIHIRO |
分类号 |
G10L11/00;G10L21/00;G10L21/02;G10L25/00;H04H7/00;H04M1/00;H04M1/60;H04M1/725 |
主分类号 |
G10L11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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