Inventor · disambiguated record
Eddie-Lun Tik Choy
Also filed as: CHOY EDDIE · CHOY EDDIE L T · CHOY EDDIE-LUN TIK
12 granted patents·395 citations·filing 1998–2018
93Inventor score
Top patents by PatentIndex Score
12 records- 0194US6584438B1Frame erasure compensation method in a variable rate speech coderQUALCOMM INC·Filed 2000·Granted Jun 24, 2003·139 cites·27 claims
- 0285US7426466B2Method and apparatus for quantizing pitch, amplitude, phase and linear spectrum of voiced speechQUALCOMM INC·Filed 2004·Granted Sep 16, 2008·40 cites·24 claims
- 0382US6804218B2Method and apparatus for improved detection of rate errors in variable rate receiversQUALCOMM INC·Filed 2000·Granted Oct 12, 2004·28 cites·52 claims
- 0479US7590096B2Method and apparatus for improved detection of rate errors in variable rate receiversQUALCOMM INC·Filed 2004·Granted Sep 15, 2009·21 cites·54 claims
- 0572US6324505B1Amplitude quantization scheme for low-bit-rate speech codersQUALCOMM INC·Filed 1999·Granted Nov 27, 2001·64 cites·45 claims
- 0671US6754624B2Codebook re-ordering to reduce undesired packet generationQUALCOMM INC·Filed 2001·Granted Jun 22, 2004·19 cites·26 claims
- 0763US8660840B2Method and apparatus for predictively quantizing voiced speechANANTHAPADMANABHAN ARASANIPALAI K·Filed 2008·Granted Feb 25, 2014·5 cites·23 claims
- 0859US6438518B1Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditionsQUALCOMM INC·Filed 1999·Granted Aug 20, 2002·37 cites·33 claims
- 0956US8243695B2Method and apparatus for improved detection of rate errors in variable rate receiversEL-MALEH KHALED H·Filed 2009·Granted Aug 14, 2012·1 cites·52 claims
- 1048US11031026B2Acoustic echo cancellation during playback of encoded audioQUALCOMM INC·Filed 2018·Granted Jun 8, 2021·0 cites·20 claims
- 1147US6754630B2Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolationQUALCOMM INC·Filed 1998·Granted Jun 22, 2004·21 cites·64 claims
- 1245US6434519B1Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coderQUALCOMM INC·Filed 1999·Granted Aug 13, 2002·20 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Eddie-Lun Tik Choy files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →