Inventor
ZOPF ROBERT W
US40 patents
⚠️ This page may combine multiple inventors who share the name “ZOPF ROBERT W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZOPF ROBERT W
16 patentsUS8301440B2Oct 30, 2012
Bit error concealment for audio coding systems
ZOPF ROBERT W20 citations92
US8078458B2Dec 13, 2011
Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveforms
ZOPF ROBERT W15 citations92
US9076439B2Jul 7, 2015
Bit error management and mitigation for sub-band coding
ZOPF ROBERT W17 citations84
US8731913B2May 20, 2014
Scaled window overlap add for mixed signals
ZOPF ROBERT W15 citations84
US8589166B2Nov 19, 2013
Speech content based packet loss concealment
ZOPF ROBERT W10 citations84
US8522121B2Aug 27, 2013
Low complexity error correction using cyclic redundancy check (CRC)
ZOPF ROBERT W9 citations84
US8447619B2May 21, 2013
User attribute distribution for network/peer assisted speech coding
ZOPF ROBERT W9 citations84
US8195465B2Jun 5, 2012
Time-warping of decoded audio signal after packet loss
ZOPF ROBERT W7 citations84
US8706479B2Apr 22, 2014
Packet loss concealment for sub-band codecs
ZOPF ROBERT W16 citations82
US9058818B2Jun 16, 2015
User attribute derivation and update for network/peer assisted speech coding
ZOPF ROBERT W1 citations63
US8327211B2Dec 4, 2012
Voice activity detection (VAD) dependent retransmission scheme for wireless communication systems
ZOPF ROBERT W3 citations63
US8321216B2Nov 27, 2012
Time-warping of audio signals for packet loss concealment avoiding audible artifacts
ZOPF ROBERT W4 citations63
US8818817B2Aug 26, 2014
Network/peer assisted speech coding
ZOPF ROBERT W3 citations60
US8578247B2Nov 5, 2013
Bit error management methods for wireless audio communication channels
ZOPF ROBERT W3 citations57
US8340977B2Dec 25, 2012
Compensation technique for audio decoder state divergence
ZOPF ROBERT W0 citations52
US9245535B2Jan 26, 2016
Network/peer assisted speech coding
ZOPF ROBERT W0 citations49
BROADCOM CORP
14 patentsUS8000960B2Aug 16, 2011
Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveforms
BROADCOM CORP34 citations96
US8024192B2Sep 20, 2011
Time-warping of decoded audio signal after packet loss
BROADCOM CORP13 citations93
US8015000B2Sep 6, 2011
Classification-based frame loss concealment for audio signals
BROADCOM CORP33 citations93
US8005678B2Aug 23, 2011
Re-phasing of decoder states after packet loss
BROADCOM CORP7 citations84
US9269368B2Feb 23, 2016
Speaker-identification-assisted uplink speech processing systems and methods
BROADCOM CORP7 citations83
US9124298B2Sep 1, 2015
Low complexity error correction using cyclic redundancy check (CRC)
BROADCOM CORP4 citations73
US8938663B2Jan 20, 2015
Modem architecture for joint source channel decoding
BROADCOM CORP5 citations73
US9293140B2Mar 22, 2016
Speaker-identification-assisted speech processing systems and methods
BROADCOM CORP3 citations72
US8996962B2Mar 31, 2015
Chase coding for error correction of encrypted packets with parity
BROADCOM CORP5 citations72
US8010350B2Aug 30, 2011
Decimated bisectional pitch refinement
BROADCOM CORP5 citations63
US7971108B2Jun 28, 2011
Modem-assisted bit error concealment for audio communications systems
BROADCOM CORP5 citations63
US9245531B2Jan 26, 2016
Joint source channel decoding using parameter domain correlation
BROADCOM CORP0 citations52
US9053698B2Jun 9, 2015
Jitter buffer enhanced joint source channel decoding
BROADCOM CORP0 citations52
US9037942B2May 19, 2015
Modified joint source channel decoder
BROADCOM CORP0 citations52
CHEN JUIN-HWEY
4 patentsUS8280728B2Oct 2, 2012
Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform
CHEN JUIN-HWEY43 citations94
US8078456B2Dec 13, 2011
Audio time scale modification algorithm for dynamic playback speed control
CHEN JUIN-HWEY12 citations84
US8670990B2Mar 11, 2014
Dynamic time scale modification for reduced bit rate audio coding
CHEN JUIN-HWEY3 citations63
US8457952B2Jun 4, 2013
Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform
CHEN JUIN-HWEY4 citations63
LUCENT TECHNOLOGIES INC
3 patentsUS7272556B1Sep 18, 2007
Scalable and embedded codec for speech and audio signals
LUCENT TECHNOLOGIES INC276 citations96
US7092881B1Aug 15, 2006
Parametric speech codec for representing synthetic speech in the presence of background noise
LUCENT TECHNOLOGIES INC39 citations92
US7257535B2Aug 14, 2007
Parametric speech codec for representing synthetic speech in the presence of background noise
LUCENT TECHNOLOGIES INC8 citations73