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经营范围
发明名称
Subband acoustic echo canceller
摘要
申请公布号
EP0758830(A3)
申请公布日期
1998.01.14
申请号
EP19960112904
申请日期
1996.08.09
申请人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人
NAKAGAWA, AKIRA;HANEDA, YOICHI;MAKINO, SHOJI;SHIMAUCHI, SUEHIRO;KOJIMA, JUNJI
分类号
H04M9/08;(IPC1-7):H04M9/08
主分类号
H04M9/08
代理机构
代理人
主权项
地址
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