| 7668713 |
MELP-to-LPC transcoder |
Richard Louis Zinser |
2010-02-23 |
| 7529662 |
LPC-to-MELP transcoder |
Richard Louis Zinser |
2009-05-05 |
| 7430507 |
Frequency domain format enhancement |
Richard Louis Zinser |
2008-09-30 |
| 7421388 |
Compressed domain voice activity detector |
Richard Louis Zinser |
2008-09-02 |
| 7165035 |
Compressed domain conference bridge |
Richard Louis Zinser, Philip Choong |
2007-01-16 |
| 7062434 |
Compressed domain voice activity detector |
Richard Louis Zinser |
2006-06-13 |
| 6678654 |
TDVC-to-MELP transcoder |
Richard Louis Zinser |
2004-01-13 |
| 6641219 |
Reduced cost head restraint support tube to improve system function |
Paul E. Meshke, Alan Joseph Radue |
2003-11-04 |
| 6393072 |
Channel decoder using vocoder joint statistics |
John Anderson Fergus Ross, Nick Andrew Van Stralen, Mark Lewis Grabb, Richard Louis Zinser, John B. Anderson |
2002-05-21 |
| 6138092 |
CELP speech synthesizer with epoch-adaptive harmonic generator for pitch harmonics below voicing cutoff frequency |
Richard Louis Zinser, Mark Lewis Grabb, Glen William Brooksby |
2000-10-24 |
| 6119082 |
Speech coding system and method including harmonic generator having an adaptive phase off-setter |
Richard Louis Zinser, Mark Lewis Grabb, Glen William Brooksby |
2000-09-12 |
| 6098036 |
Speech coding system and method including spectral formant enhancer |
Richard Louis Zinser, Mark Lewis Grabb, Glen William Brooksby |
2000-08-01 |
| 6094629 |
Speech coding system and method including spectral quantizer |
Mark Lewis Grabb, Glen William Brooksby, Richard Louis Zinser |
2000-07-25 |
| 6081776 |
Speech coding system and method including adaptive finite impulse response filter |
Mark Lewis Grabb, Glen William Brooksby, Richard Louis Zinser |
2000-06-27 |
| 6078880 |
Speech coding system and method including voicing cut off frequency analyzer |
Richard Louis Zinser, Mark Lewis Grabb, Glen William Brooksby |
2000-06-20 |
| 6067511 |
LPC speech synthesis using harmonic excitation generator with phase modulator for voiced speech |
Mark Lewis Grabb, Richard Louis Zinser, Glen William Brooksby |
2000-05-23 |
| 5710781 |
Enhanced fading and random pattern error protection for dynamic bit allocation sub-band coding |
Richard Louis Zinser |
1998-01-20 |
| 5138661 |
Linear predictive codeword excited speech synthesizer |
Richard Louis Zinser |
1992-08-11 |
| 5127053 |
Low-complexity method for improving the performance of autocorrelation-based pitch detectors |
— |
1992-06-30 |
| 5097507 |
Fading bit error protection for digital cellular multi-pulse speech coder |
Richard Louis Zinser, Raymond L. Toy |
1992-03-17 |
| 5073940 |
Method for protecting multi-pulse coders from fading and random pattern bit errors |
Richard Louis Zinser, Raymond L. Toy |
1991-12-17 |
| 4737953 |
Local area network bridge |
Charles R. Stein, William Thomas Hatfield, Neil R. Shapiro, William C. Hughes |
1988-04-12 |
| 4715030 |
Local area network bridge |
Charles R. Stein, William Thomas Hatfield, Neil R. Shapiro, William C. Hughes |
1987-12-22 |
| 4649505 |
Two-input crosstalk-resistant adaptive noise canceller |
Richard Louis Zinser, Seth D. Silverstein |
1987-03-10 |