Assignee
VOICEAGE CORP
CA·41 granted patents·7 pending applications·776 citations·filing 1999–2024
Top patents by PatentIndex Score
48 records- 0196US7979271B2Methods and devices for switching between sound signal coding modes at a coder and for producing target signals at a decoderVOICEAGE CORP·Filed 2005·Granted Jul 12, 2011·75 cites·26 claims
- 0296US7933769B2Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCXVOICEAGE CORP·Filed 2007·Granted Apr 26, 2011·97 cites·31 claims
- 0393US9852741B2Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling ratesVOICEAGE CORP·Filed 2015·Granted Dec 26, 2017·12 cites·26 claims
- 0492US7693710B2Method and device for efficient frame erasure concealment in linear predictive based speech codecsVOICEAGE CORP·Filed 2003·Granted Apr 6, 2010·101 cites·25 claims
- 0591US7191123B1Gain-smoothing in wideband speech and audio signal decoderVOICEAGE CORP·Filed 2000·Granted Mar 13, 2007·90 cites·103 claims
- 0687US7529660B2Method and device for frequency-selective pitch enhancement of synthesized speechVOICEAGE CORP·Filed 2003·Granted May 5, 2009·57 cites·58 claims
- 0787US7106228B2Method and system for multi-rate lattice vector quantization of a signalVOICEAGE CORP·Filed 2003·Granted Sep 12, 2006·58 cites·34 claims
- 0885US10325606B2Method and system using a long-term correlation difference between left and right channels for time domain down mixing a stereo sound signal into primary and secondary channelsVOICEAGE CORP·Filed 2016·Granted Jun 18, 2019·4 cites·31 claims
- 0984US7151802B1High frequency content recovering method and device for over-sampled synthesized wideband signalVOICEAGE CORP·Filed 1999·Granted Dec 19, 2006·73 cites·54 claims
- 1083US10431233B2Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling ratesVOICEAGE CORP·Filed 2017·Granted Oct 1, 2019·3 cites·30 claims
- 1183US7672837B2Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 2006·Granted Mar 2, 2010·9 cites·21 claims
- 1282US10468045B2Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling ratesVOICEAGE CORP·Filed 2017·Granted Nov 5, 2019·3 cites·26 claims
- 1381US6807524B1Perceptual weighting device and method for efficient coding of wideband signalsVOICEAGE CORP·Filed 1999·Granted Oct 19, 2004·61 cites·49 claims
- 1479US10319385B2Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budgetVOICEAGE CORP·Filed 2016·Granted Jun 11, 2019·2 cites·13 claims
- 1579US6795805B1Periodicity enhancement in decoding wideband signalsVOICEAGE CORP·Filed 1999·Granted Sep 21, 2004·53 cites·80 claims
- 1675US7280959B2Indexing pulse positions and signs in algebraic codebooks for coding of wideband signalsVOICEAGE CORP·Filed 2001·Granted Oct 9, 2007·24 cites·62 claims
- 1775US7260521B1Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 1999·Granted Aug 21, 2007·45 cites·63 claims
- 1873US11276411B2Method and device for allocating a bit-budget between sub-frames in a CELP CODECVOICEAGE CORP·Filed 2018·Granted Mar 15, 2022·2 cites·40 claims
- 1973US9384755B2Device and method for reducing quantization noise in a time-domain decoderVOICEAGE CORP·Filed 2014·Granted Jul 5, 2016·4 cites·30 claims
- 2073US2025111856A1Switching between stereo coding modes in a multichannel sound codecVOICEAGE CORP·Filed 2024·Application pending·0 cites
- 2171US10522157B2Method and system for time domain down mixing a stereo sound signal into primary and secondary channels using detecting an out-of-phase condition of the left and right channelsVOICEAGE CORP·Filed 2016·Granted Dec 31, 2019·1 cites·37 claims
- 2271US9911425B2Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codecVOICEAGE CORP·Filed 2017·Granted Mar 6, 2018·2 cites·12 claims
- 2361US10984806B2Method and system for encoding a stereo sound signal using coding parameters of a primary channel to encode a secondary channelVOICEAGE CORP·Filed 2019·Granted Apr 20, 2021·0 cites·45 claims
- 2460US10573327B2Method and system using a long-term correlation difference between left and right channels for time domain down mixing a stereo sound signal into primary and secondary channelsVOICEAGE CORP·Filed 2019·Granted Feb 25, 2020·0 cites·32 claims
- 2559US12205598B2Switching between stereo coding modes in a multichannel sound codecVOICEAGE CORP·Filed 2021·Granted Jan 21, 2025·0 cites·76 claims
- 2659US11056121B2Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budgetVOICEAGE CORP·Filed 2019·Granted Jul 6, 2021·0 cites·11 claims
- 2757US12154582B2Method and system for coding metadata in audio streams and for efficient bitrate allocation to audio streams codingVOICEAGE CORP·Filed 2020·Granted Nov 26, 2024·0 cites·44 claims
- 2856US12387734B2Method and system for coding metadata in audio streams and for flexible intra-object and inter-object bitrate adaptationVOICEAGE CORP·Filed 2020·Granted Aug 12, 2025·0 cites·33 claims
- 2955US10339940B2Method and system for encoding a stereo sound signal using coding parameters of a primary channel to encode a secondary channelVOICEAGE CORP·Filed 2016·Granted Jul 2, 2019·0 cites·51 claims
- 3055US8036885B2Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 2009·Granted Oct 11, 2011·0 cites·18 claims
- 3154US10839813B2Method and system for decoding left and right channels of a stereo sound signalVOICEAGE CORP·Filed 2016·Granted Nov 17, 2020·0 cites·15 claims
- 3253US11276412B2Method and device for efficiently distributing a bit-budget in a CELP codecVOICEAGE CORP·Filed 2018·Granted Mar 15, 2022·0 cites·37 claims
- 3352USRE49363EVariable bit rate LPC filter quantizing and inverse quantizing device and methodVOICEAGE CORP·Filed 2018·Granted Jan 10, 2023·0 cites·32 claims
- 3450US2025124936A1Time-domain superwideband bandwidth expansion for cross-talk scenariosVOICEAGE CORP·Filed 2023·Application pending·0 cites
- 3549US2005108005A1Method and device for adaptive bandwidth pitch search in coding wideband signalsVOICEAGE CORP·Filed 2004·Application pending·0 cites
- 3649US2005108007A1Perceptual weighting device and method for efficient coding of wideband signalsVOICEAGE CORP·Filed 2004·Application pending·0 cites
- 3748US12567424B2Method and device for multi-channel comfort noise injection in a decoded sound signalVOICEAGE CORP·Filed 2022·Granted Mar 3, 2026·0 cites·49 claims
- 3848US12062381B2Method and device for speech/music classification and core encoder selection in a sound codecVOICEAGE CORP·Filed 2021·Granted Aug 13, 2024·0 cites·53 claims
- 3948US9870781B2Device and method for reducing quantization noise in a time-domain decoderVOICEAGE CORP·Filed 2016·Granted Jan 16, 2018·0 cites·23 claims
- 4048US9626982B2Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codecVOICEAGE CORP·Filed 2014·Granted Apr 18, 2017·0 cites·17 claims
- 4147US12494210B2Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codecVOICEAGE CORP·Filed 2021·Granted Dec 9, 2025·0 cites·50 claims
- 4247US12322405B2Methods and devices for detecting an attack in a sound signal to be coded and for coding the detected attackVOICEAGE CORP·Filed 2020·Granted Jun 3, 2025·0 cites·33 claims
- 4347US12125492B2Method and system for decoding left and right channels of a stereo sound signalVOICEAGE CORP·Filed 2020·Granted Oct 22, 2024·0 cites·9 claims
- 4447US10115408B2Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codecVOICEAGE CORP·Filed 2017·Granted Oct 30, 2018·0 cites·12 claims
- 4546US2024339980A1Method and device for limiting of output synthesis distortion in a sound codecVOICEAGE CORP·Filed 2022·Application pending·0 cites
- 4645US9252728B2Non-speech content for low rate CELP decoderVOICEAGE CORP·Filed 2012·Granted Feb 2, 2016·0 cites·32 claims
- 4745US2024321285A1Method and device for unified time-domain / frequency domain coding of a sound signalVOICEAGE CORP·Filed 2022·Application pending·0 cites
- 4845US2023368803A1Method and device for audio band-width detection and audio band-width switching in an audio codecVOICEAGE CORP·Filed 2021·Application pending·0 cites
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