Inventor · disambiguated record
Robert W. Zopf
Also filed as: ZOPF ROBERT · ZOPF ROBERT W
61 granted patents·8 pending applications·699 citations·filing 1998–2023
99Inventor score
Files withBROADCOM CORP20CYPRESS SEMICONDUCTOR CORP18ZOPF ROBERT W16CHEN JUIN-HWEY4AVAGO TECH INT SALES PTE LID3
Top patents by PatentIndex Score
69 records- 0195US8000960B2Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveformsBROADCOM CORP·Filed 2007·Granted Aug 16, 2011·34 cites·30 claims
- 0295US7272556B1Scalable and embedded codec for speech and audio signalsLUCENT TECHNOLOGIES INC·Filed 1998·Granted Sep 18, 2007·276 cites·20 claims
- 0394US8280728B2Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveformCHEN JUIN-HWEY·Filed 2007·Granted Oct 2, 2012·43 cites·28 claims
- 0492US8015000B2Classification-based frame loss concealment for audio signalsBROADCOM CORP·Filed 2007·Granted Sep 6, 2011·33 cites·16 claims
- 0591US10332543B1Systems and methods for capturing noise for pattern recognition processingCYPRESS SEMICONDUCTOR CORP·Filed 2018·Granted Jun 25, 2019·9 cites·16 claims
- 0690US10043523B1Advanced packet-based sample audio concealmentCYPRESS SEMICONDUCTOR CORP·Filed 2017·Granted Aug 7, 2018·7 cites·6 claims
- 0790US8078458B2Packet loss concealment for sub-band predictive coding based on extrapolation of sub-band audio waveformsZOPF ROBERT W·Filed 2009·Granted Dec 13, 2011·15 cites·22 claims
- 0889US9076439B2Bit error management and mitigation for sub-band codingZOPF ROBERT W·Filed 2010·Granted Jul 7, 2015·17 cites·20 claims
- 0988US11996936B2Bit error correction for Bluetooth low energyCYPRESS SEMICONDUCTOR CORP·Filed 2022·Granted May 28, 2024·1 cites·20 claims
- 1088US8522121B2Low complexity error correction using cyclic redundancy check (CRC)ZOPF ROBERT W·Filed 2011·Granted Aug 27, 2013·9 cites·29 claims
- 1188US8024192B2Time-warping of decoded audio signal after packet lossBROADCOM CORP·Filed 2007·Granted Sep 20, 2011·13 cites·48 claims
- 1287US8589166B2Speech content based packet loss concealmentZOPF ROBERT W·Filed 2010·Granted Nov 19, 2013·10 cites·26 claims
- 1387US8447619B2User attribute distribution for network/peer assisted speech codingZOPF ROBERT W·Filed 2010·Granted May 21, 2013·9 cites·30 claims
- 1487US8301440B2Bit error concealment for audio coding systemsZOPF ROBERT W·Filed 2009·Granted Oct 30, 2012·20 cites·28 claims
- 1585US8195465B2Time-warping of decoded audio signal after packet lossZOPF ROBERT W·Filed 2011·Granted Jun 5, 2012·7 cites·31 claims
- 1684US11659466B2Seamless playback and switching for wireless communications devicesCYPRESS SEMICONDUCTOR CORP·Filed 2021·Granted May 23, 2023·2 cites·20 claims
- 1784US9047865B2Scalable and embedded codec for speech and audio signalsAGUILAR JOSEPH GERARD·Filed 2007·Granted Jun 2, 2015·20 cites·5 claims
- 1884US8731913B2Scaled window overlap add for mixed signalsZOPF ROBERT W·Filed 2007·Granted May 20, 2014·15 cites·20 claims
- 1983US10341773B2Packet based delivery of multi-channel audio over wireless linksAVAGO TECH INT SALES PTE LID·Filed 2018·Granted Jul 2, 2019·3 cites·20 claims
- 2083US8706479B2Packet loss concealment for sub-band codecsZOPF ROBERT W·Filed 2009·Granted Apr 22, 2014·16 cites·20 claims
- 2183US7092881B1Parametric speech codec for representing synthetic speech in the presence of background noiseLUCENT TECHNOLOGIES INC·Filed 2000·Granted Aug 15, 2006·39 cites·37 claims
- 2282US11451331B2Bit error correction for Bluetooth low energyCYPRESS SEMICONDUCTOR CORP·Filed 2020·Granted Sep 20, 2022·1 cites·20 claims
- 2380US8938663B2Modem architecture for joint source channel decodingBROADCOM CORP·Filed 2013·Granted Jan 20, 2015·5 cites·20 claims
- 2480US8078456B2Audio time scale modification algorithm for dynamic playback speed controlCHEN JUIN-HWEY·Filed 2008·Granted Dec 13, 2011·12 cites·30 claims
- 2580US8005678B2Re-phasing of decoder states after packet lossBROADCOM CORP·Filed 2007·Granted Aug 23, 2011·7 cites·42 claims
- 2679US11264049B2Systems and methods for capturing noise for pattern recognition processingCYPRESS SEMICONDUCTOR CORP·Filed 2019·Granted Mar 1, 2022·2 cites·17 claims
- 2779US9269368B2Speaker-identification-assisted uplink speech processing systems and methodsBROADCOM CORP·Filed 2013·Granted Feb 23, 2016·7 cites·20 claims
- 2879US8996962B2Chase coding for error correction of encrypted packets with parityBROADCOM CORP·Filed 2013·Granted Mar 31, 2015·5 cites·20 claims
- 2978US11283543B2Bit error correction for wireless retransmission communications systemsCYPRESS SEMICONDUCTOR CORP·Filed 2020·Granted Mar 22, 2022·1 cites·20 claims
- 3076US10861462B2Dual pipeline architecture for wakeup phrase detection with speech onset detectionCYPRESS SEMICONDUCTOR CORP·Filed 2018·Granted Dec 8, 2020·2 cites·19 claims
- 3176US9124298B2Low complexity error correction using cyclic redundancy check (CRC)BROADCOM CORP·Filed 2013·Granted Sep 1, 2015·4 cites·20 claims
- 3276US7257535B2Parametric speech codec for representing synthetic speech in the presence of background noiseLUCENT TECHNOLOGIES INC·Filed 2005·Granted Aug 14, 2007·8 cites·4 claims
- 3375US10028057B2Packet based delivery of multi-channel audio over wireless linksAVAGO TECHNOLOGIES GENERAL IP·Filed 2017·Granted Jul 17, 2018·2 cites·20 claims
- 3474US8214206B2Constrained and controlled decoding after packet lossTHYSSEN JES·Filed 2011·Granted Jul 3, 2012·3 cites·31 claims
- 3573US9837093B2Packet based delivery of multi-channel audio over wireless linksAVAGO TECHNOLOGIES GENERAL IP·Filed 2016·Granted Dec 5, 2017·3 cites·18 claims
- 3670US8818817B2Network/peer assisted speech codingZOPF ROBERT W·Filed 2010·Granted Aug 26, 2014·3 cites·32 claims
- 3770US8321216B2Time-warping of audio signals for packet loss concealment avoiding audible artifactsZOPF ROBERT W·Filed 2010·Granted Nov 27, 2012·4 cites·27 claims
- 3869US10784989B2Bit error correction for wireless retransmission communications systemsCYPRESS SEMICONDUCTOR CORP·Filed 2018·Granted Sep 22, 2020·1 cites·20 claims
- 3969US10719115B2Isolated word training and detection using generated phoneme concatenation models of audio inputsAVAGO TECH INT SALES PTE LID·Filed 2015·Granted Jul 21, 2020·2 cites·18 claims
- 4069US10587954B2Packet based delivery of multi-channel audio over wireless linksAVAGO TECH INT SALES PTE LID·Filed 2019·Granted Mar 10, 2020·1 cites·20 claims
- 4169US8670990B2Dynamic time scale modification for reduced bit rate audio codingCHEN JUIN-HWEY·Filed 2010·Granted Mar 11, 2014·3 cites·22 claims
- 4269US7971108B2Modem-assisted bit error concealment for audio communications systemsBROADCOM CORP·Filed 2009·Granted Jun 28, 2011·5 cites·21 claims
- 4368US8457952B2Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveformCHEN JUIN-HWEY·Filed 2009·Granted Jun 4, 2013·4 cites·20 claims
- 4468US8327211B2Voice activity detection (VAD) dependent retransmission scheme for wireless communication systemsZOPF ROBERT W·Filed 2009·Granted Dec 4, 2012·3 cites·22 claims
- 4568US8010350B2Decimated bisectional pitch refinementBROADCOM CORP·Filed 2007·Granted Aug 30, 2011·5 cites·31 claims
- 4666US11694698B2Advanced packet-based sample audio concealmentCYPRESS SEMICONDUCTOR CORP·Filed 2021·Granted Jul 4, 2023·0 cites·20 claims
- 4766US9293140B2Speaker-identification-assisted speech processing systems and methodsBROADCOM CORP·Filed 2013·Granted Mar 22, 2016·3 cites·20 claims
- 4865US12207079B2Seamless playback and switching for wireless communications devicesCYPRESS SEMICONDUCTOR CORP·Filed 2023·Granted Jan 21, 2025·0 cites·20 claims
- 4964US10468020B2Systems and methods for removing interference for audio pattern recognitionCYPRESS SEMICONDUCTOR CORP·Filed 2017·Granted Nov 5, 2019·1 cites·14 claims
- 5063US9058818B2User attribute derivation and update for network/peer assisted speech codingZOPF ROBERT W·Filed 2010·Granted Jun 16, 2015·1 cites·44 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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