Inventor
Andrew P. DeJaco
Inventor
San Diego, CA, US
Overview
Patents· 50 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis45%
H04WWireless communication networks15%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04BTransmission12%
H04MTelephonic communication12%
H03MCoding2%
B64GCosmonautics1%
PatentTitleYear
8,660,840'Method and apparatus for predictively quantizing voiced speech'20148,358,617'Enhanced conversion of wideband signals to narrowband signals'20138,243,695'Method and apparatus for improved detection of rate errors in variable rate receivers'20128,041,302'Method and apparatus for determining the transmission data rate in a multi-user communication system'20117,788,092'Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters'20107,590,096'Method and apparatus for improved detection of rate errors in variable rate receivers'20097,577,563'Enhanced conversion of wideband signals to narrowband signals'20097,483,520'Method and apparatus for prompting a cellular telephone user with instructions'20097,426,466'Method and apparatus for quantizing pitch, amplitude, phase and linear spectrum of voiced speech'20087,289,461'Communications using wideband terminals'20077,184,954'Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters'20077,146,174'Method and apparatus for determining the transmission data rate in a multi-user communication system'20067,113,522'Enhanced conversion of wideband signals to narrowband signals'20067,061,934'Method and apparatus for interoperability between voice transmission systems during speech inactivity'20066,950,799'Speech converter utilizing preprogrammed voice profiles'20056,941,265'Voice recognition system method and apparatus'20056,836,758'System and method for hybrid voice recognition'20046,804,218'Method and apparatus for improved detection of rate errors in variable rate receivers'20046,789,059'Reducing memory requirements of a codebook vector search'20046,766,176'Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone'20046,766,289'Fast code-vector searching'20046,754,624'Codebook re-ordering to reduce undesired packet generation'20046,744,882'Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone'20046,745,024'System and method for preparing and sending an electronic mail communication using a wireless communications device'20046,631,139'Method and apparatus for interoperability between voice transmission systems during speech inactivity'20036,574,596'Voice recognition rejection scheme'20036,519,479'Spoken user interface for speech-enabled devices'20036,484,138'Method and apparatus for performing speech frame encoding mode selection in a variable rate encoding system'20026,477,502'Method and apparatus for using non-symmetric speech coders to produce non-symmetric links in a wireless communication system'20026,449,496'Voice recognition user interface for telephone handsets'20026,438,518'Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions'20026,434,519'Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder'20026,330,532'Method and apparatus for maintaining a target bit rate in a speech coder'20016,324,509'Method and apparatus for accurate endpointing of speech in the presence of noise'20016,324,503'Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions'20016,260,009'CELP-based to CELP-based vocoder packet translation'20016,240,387'Method and apparatus for performing speech frame encoding mode selection in a variable rate encoding system'20016,205,130'Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters'20016,205,339'Method and apparatus for establishing TDD/TTY service over vocoded channels'20016,169,763'Characterizing a communication system using frame aligned test signals'20015,915,235'Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer'19995,911,128'Method and apparatus for performing speech frame encoding mode selection in a variable rate encoding system'19995,903,862'Method and apparatus for detection of tandem vocoding to modify vocoder filtering'19995,857,147'Method and apparatus for determining the transmission data rate in a multi-user communication system'19995,790,632'Method and apparatus for echo canceling accounting for companding induced quantization error'19985,784,406'Method and apparatus for objectively characterizing communications link quality'19985,751,901'Method for searching an excitation codebook in a code excited linear prediction (CELP) coder'19985,742,734'Encoding rate selection in a variable rate vocoder'19985,528,593'Method and apparatus for controlling power in a variable rate communication system'19965,341,456'Method for determining speech encoding rate in a variable rate vocoder'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2014Patents assigned to QUALCOMM INC (47)· patent assignee history
1994–2014Based in San Diego, CA, US· patent location history
2012–2014Patents assigned to ANANTHAPADMANABHAN ARASANIPALAI K (3)· patent assignee history
2012–2014Patents assigned to DEJACO ANDREW P (3)· patent assignee history
2012–2014Patents assigned to CHOY EDDIE-LUN TIK (2)· patent assignee history
2012–2013Patents assigned to EL-MALEH KHALED H (2)· patent assignee history
2012–2013Based in Dublin, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 47 | 1994–2014 |
| ANANTHAPADMANABHAN ARASANIPALAI K | 3 | 2012–2014 |
| DEJACO ANDREW Pself | 3 | 2012–2014 |
| CHOY EDDIE-LUN TIK | 2 | 2012–2014 |
| EL-MALEH KHALED H | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 48 | 1994–2014 |
| Dublin, OH, US | 2 | 2012–2013 |