Inventor
ARIYAMA YOSHIHIRO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ARIYAMA YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI ELECTRIC IND CO LTD
9 patentsUS5752223AMay 12, 1998
Code-excited linear predictive coder and decoder with conversion filter for converting stochastic and impulsive excitation signals
OKI ELECTRIC IND CO LTD114 citations97
US5727122AMar 10, 1998
Code excitation linear predictive (CELP) encoder and decoder and code excitation linear predictive coding method
OKI ELECTRIC IND CO LTD59 citations95
US6351532B1Feb 26, 2002
Echo canceler employing multiple step gains
OKI ELECTRIC IND CO LTD30 citations92
US6181753B1Jan 30, 2001
Echo/noise canceler with delay compensation
OKI ELECTRIC IND CO LTD48 citations92
US6625284B1Sep 23, 2003
Comfort noise generating apparatus
OKI ELECTRIC IND CO LTD21 citations91
US6236725B1May 22, 2001
Echo canceler employing multiple step gains
OKI ELECTRIC IND CO LTD16 citations83
US6201866B1Mar 13, 2001
Echo canceler employing segment-based reinitialization
OKI ELECTRIC IND CO LTD17 citations83
US6590975B1Jul 8, 2003
Echo canceller
OKI ELECTRIC IND CO LTD7 citations72
US6937722B2Aug 30, 2005
Method and apparatus for echo cancellation
OKI ELECTRIC IND CO LTD0 citations51