Inventor
SACHS RICHARD M
US9 patents
⚠️ This page may combine multiple inventors who share the name “SACHS RICHARD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
7 patentsUS6226360B1May 1, 2001
System and method for delivery of pre-recorded voice phone messages
AT & T CORP146 citations98
US5970446AOct 19, 1999
Selective noise/channel/coding models and recognizers for automatic speech recognition
AT & T CORP346 citations97
US6125175ASep 26, 2000
Method and apparatus for inserting background sound in a telephone call
AT & T CORP58 citations96
US6404872B1Jun 11, 2002
Method and apparatus for altering a speech signal during a telephone call
AT & T CORP33 citations92
US6061654AMay 9, 2000
System and method of recognizing letters and numbers by either speech or touch tone recognition utilizing constrained confusion matrices
AT & T CORP41 citations91
US5528731AJun 18, 1996
Method of accommodating for carbon/electret telephone set variability in automatic speaker verification
AT & T CORP24 citations90
US6327657B1Dec 4, 2001
Method and apparatus for creating electronic water marks in digital data
AT & T CORP0 citations50