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Lalin S. Theverapperuma patents

Recent patents with Lalin S. Theverapperuma listed as an inventor - additional entries may be under other spellings.


Lalin S. Theverapperuma - Related organizations: Apple Inc. patents

System and method of double talk detection with acoustic echo and noise control

05/05/16 - 20160127535 - System of improving sound quality includes loudspeaker, microphone, accelerometer, acoustic-echo-cancellers (AEC), and double-talk detector (DTD). Loudspeaker outputs loudspeaker signal including downlink audio signal from far-end speaker. Microphone generates microphone uplink signal and receives at least one of: near-end speaker, ambient noise, and loudspeaker signals. Accelerometer generates accelerometer-uplink signal and receives
Inventors: Lalin S. Theverapperuma, Vasu Iyengar, Sean A. Ramprashad

Cellular network communications wireless headset and mobile device

08/20/15 - 20150237185 - A headset that communicates with a mobile device through a local radio frequency (RF) communication link to conduct a telephone call is described. The headset includes a local RF communication modem that receives downlink packets from the mobile device through the local RF communication link. The downlink packets were received
Inventors: Lalin S. Theverapperuma, Baptiste P. Paquier

Sensor fusion to improve speech/audio processing in a mobile device

12/12/13 - 20130332156 - The disclosed system and method for a mobile device combines information derived from onboard sensors with conventional signal processing information derived from a speech or audio signal to assist in noise and echo cancellation. In some implementations, an Angle and Distance Processing (ADP) module is employed on a mobile device
Inventors: Onur Ergin Tackin, Sinan Karahan, Lalin S. Theverapperuma, Tiange Shao, Haining Zhang, Arun G. Mathias


### Lalin S. Theverapperuma patent invention listings

The bibliographic references displayed about Lalin S. Theverapperuma's patents are for a recent sample of Lalin S. Theverapperuma's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Lalin S. Theverapperuma filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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