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Class Information
Number: 704/265
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > Synthesis > Interpolation
Description: Subject matter wherein the component parts are combined using estimates of intermediate values (e.g., waveform smoothing).

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8706493 Controllable prosody re-estimation system and method and computer program product thereof Apr. 22, 2014
8655663 Audio signal interpolation device and audio signal interpolation method Feb. 18, 2014
8626809 Method and apparatus for digital up-down conversion using infinite impulse response filter Jan. 7, 2014
8620646 System and method for tracking sound pitch across an audio signal using harmonic envelope Dec. 31, 2013
8589166 Speech content based packet loss concealment Nov. 19, 2013
8494854 CAPTCHA using challenges optimized for distinguishing between humans and machines Jul. 23, 2013
8489399 System and method for verifying origin of input through spoken language analysis Jul. 16, 2013
8473298 Pre-resampling to achieve continuously variable analysis time/frequency resolution Jun. 25, 2013
8473534 Method for use in a digital frequency synthesizer Jun. 25, 2013
8473301 Method and apparatus for audio decoding Jun. 25, 2013
8462917 Method and apparatus for automatically building conversational systems Jun. 11, 2013
8438017 Method and apparatus for encoding/decoding audio signal using adaptive LPC coefficient interpolation May. 7, 2013
8417516 Method and apparatus for encoding and decoding high frequency signal Apr. 9, 2013
8370153 Speech analyzer and speech analysis method Feb. 5, 2013
8332225 Techniques to create a custom voice font Dec. 11, 2012
8301447 Associating source information with phonetic indices Oct. 30, 2012
8296143 Audio signal processing apparatus, audio signal processing method, and program for having the method executed by computer Oct. 23, 2012
8244546 Singing synthesis parameter data estimation system Aug. 14, 2012
8239192 Transmission error concealment in audio signal Aug. 7, 2012
8214203 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same Jul. 3, 2012
8195464 Speech processing apparatus and program Jun. 5, 2012
8185137 Intensity-based maps May. 22, 2012
8165882 Method, apparatus and program for speech synthesis Apr. 24, 2012
8145477 Systems, methods, and apparatus for computationally efficient, iterative alignment of speech waveforms Mar. 27, 2012
8126578 Clipped-waveform repair in acoustic signals using generalized linear prediction Feb. 28, 2012
8126162 Audio signal interpolation method and audio signal interpolation apparatus Feb. 28, 2012
8121832 Method and apparatus for encoding and decoding high frequency signal Feb. 21, 2012
8065141 Apparatus and method for processing signal, recording medium, and program Nov. 22, 2011
8015012 Data-driven global boundary optimization Sep. 6, 2011
8010362 Voice conversion using interpolated speech unit start and end-time conversion rule matrices and spectral compensation on its spectral parameter vector Aug. 30, 2011
8010355 Low complexity noise reduction method Aug. 30, 2011
7957973 Audio signal interpolation method and device Jun. 7, 2011
7945446 Sound processing apparatus and method, and program therefor May. 17, 2011
7899667 Waveform interpolation speech coding apparatus and method for reducing complexity thereof Mar. 1, 2011
7765100 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same Jul. 27, 2010
7684978 Apparatus and method for transcoding between CELP type codecs having different bandwidths Mar. 23, 2010
7680665 Device and method for interpolating frequency components of signal adaptively Mar. 16, 2010
7676361 Apparatus, method and program for voice signal interpolation Mar. 9, 2010
7643996 Enhanced waveform interpolative coder Jan. 5, 2010
7636662 System and method for audio-visual content synthesis Dec. 22, 2009
7627198 Information signal processing device and processing method, codebook generating device and generating method, and program for executing the methods Dec. 1, 2009
7606711 Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method Oct. 20, 2009
7596497 Speech synthesis apparatus and speech synthesis method Sep. 29, 2009
7552052 Voice synthesis apparatus and method Jun. 23, 2009
7529673 Spectral parameter substitution for the frame error concealment in a speech decoder May. 5, 2009
7529672 Speech synthesis using concatenation of speech waveforms May. 5, 2009
7519535 Frame erasure concealment in voice communications Apr. 14, 2009
7478047 Interactive character system Jan. 13, 2009
7428492 Speech synthesis dictionary creation apparatus, method, and computer-readable medium storing program codes for controlling such apparatus and pitch-mark-data file creation apparatus, method, a Sep. 23, 2008
7418388 Voice synthesizing method using independent sampling frequencies and apparatus therefor Aug. 26, 2008

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