发明名称 |
High fidelity speech encoding for telecommunications systems |
摘要 |
A user-orientated telephone instrument including high-fidelity speech encoding, encryption capability and many function presently provided by centralized call processing is described. Utilizing an ADPCM encoding process including forward error correction, a high quality relatively noise immune signal is provided. To the user, the instrument appears as a unique electronic telephone which offers many special services to facilitate communications with other people and with computers. Advanced features such as optional hands-off voice on/off-hook control, personal identification by voice print and remote chart presentation are provided.
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申请公布号 |
US5228076(A) |
申请公布日期 |
1993.07.13 |
申请号 |
US19910652952 |
申请日期 |
1991.02.08 |
申请人 |
HOPNER, EMIL;HEAD, STANLEY M. |
发明人 |
HOPNER, EMIL;HEAD, STANLEY M. |
分类号 |
H04Q11/04 |
主分类号 |
H04Q11/04 |
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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