Brant M. Helf

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Melrose, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable length coding using a plurality of region bit allocation p...
- Patent number 5,924,064
- Issue date Jul 13, 1999
- PictureTel Corporation
- Brant Helf
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fixed bit rate speech encoder/decoder
- Patent number 5,664,057
- Issue date Sep 2, 1997
- PictureTel Corporation
- Antony Henry Crossman
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Reduction of background noise for speech enhancement
- Patent number 5,550,924
- Issue date Aug 27, 1996
- PictureTel Corporation
- Brant M. Helf
- G10 - MUSICAL INSTRUMENTS ACOUSTICS