Rafik Goubran

Person

Ottawa, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for non-intrusive single-ended voice quality a...
- Patent number 8,305,913
- Issue date Nov 6, 2012
- Nortel Networks Limited
- Mohamed El-Hennawey
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Transcoders and mixers for voice-over-IP conferencing
- Patent number 8,077,636
- Issue date Dec 13, 2011
- Nortel Networks Limited
- Mohamed Samy El-Hennaway
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for non-intrusive single-ended voice quality a...
- Patent number 7,729,275
- Issue date Jun 1, 2010
- Nortel Networks Limited
- Mohamed El-Hennawey
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Detecting acoustic echoes using microphone arrays
- Patent number 7,630,503
- Issue date Dec 8, 2009
- Mitel Networks Corporation
- Dieter Schulz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transcoders and mixers for voice-over-IP conferencing
- Patent number 7,619,995
- Issue date Nov 17, 2009
- Nortel Networks Limited
- Mohamed Samy El-Hennawey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of self-discovery and self-calibration in a video...
- Patent number 7,403,217
- Issue date Jul 22, 2008
- Mitel Networks Corporation
- Dieter Schulz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet loss compensation method using injection of spectrally shape...
- Patent number 7,002,913
- Issue date Feb 21, 2006
- Zarlink Semiconductor Inc.
- Ying Huang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Linear predictive coding based acoustic echo cancellation
- Patent number 6,718,036
- Issue date Apr 6, 2004
- Nortel Networks Limited
- Andre J. Van Schyndel
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Invisible acoustic screen for open-plan offices and the like
- Patent number 5,889,869
- Issue date Mar 30, 1999
- Botrus Teleconferencing & Acoustics Consulting, Ltd.
- Radamis Botros
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
TRANSCODERS AND MIXERS FOR VOICE-OVER-IP CONFERENCING
- Publication number 20120076054
- Publication date Mar 29, 2012
- Mohamed Samy El-Hennawey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transcoders and mixers for Voice-over-IP conferencing
- Publication number 20100111074
- Publication date May 6, 2010
- Nortel Networks Limited
- Mohamed Samy El-Hennawey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method And Apparatus For Non-Intrusive Single-Ended Voice Quality A...
- Publication number 20080212567
- Publication date Sep 4, 2008
- Mohamed El-Hennawey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus for Non-Intrusive Single-Ended Voice Quality A...
- Publication number 20080151769
- Publication date Jun 26, 2008
- Mohamed El-Hennawey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method of self-discovery and self-calibration in a video...
- Publication number 20050140779
- Publication date Jun 30, 2005
- Mitel Networks Corporation, a Canadian corporation
- Dieter Schulz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Detecting acoustic echoes using microphone arrays
- Publication number 20050084116
- Publication date Apr 21, 2005
- Mitel Networks Corporation
- Dieter Schulz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adaptive sound scrambling system and method
- Publication number 20040146168
- Publication date Jul 29, 2004
- Rafik Goubran
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adaptive sound masking system and method
- Publication number 20030103632
- Publication date Jun 5, 2003
- Rafik Goubran
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet loss compensation method using injection of spectrally shape...
- Publication number 20010028634
- Publication date Oct 11, 2001
- Ying Huang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Rafik Goubran

Person

Patents Grantslast 30 patents

Method and apparatus for non-intrusive single-ended voice quality a...

Transcoders and mixers for voice-over-IP conferencing

Method and apparatus for non-intrusive single-ended voice quality a...

Detecting acoustic echoes using microphone arrays

Transcoders and mixers for voice-over-IP conferencing

System and method of self-discovery and self-calibration in a video...

Packet loss compensation method using injection of spectrally shape...

Linear predictive coding based acoustic echo cancellation

Invisible acoustic screen for open-plan offices and the like

Patents Applicationslast 30 patents

TRANSCODERS AND MIXERS FOR VOICE-OVER-IP CONFERENCING

Transcoders and mixers for Voice-over-IP conferencing

Method And Apparatus For Non-Intrusive Single-Ended Voice Quality A...

Method and Apparatus for Non-Intrusive Single-Ended Voice Quality A...

System and method of self-discovery and self-calibration in a video...

Detecting acoustic echoes using microphone arrays

Adaptive sound scrambling system and method

Adaptive sound masking system and method

Packet loss compensation method using injection of spectrally shape...