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Class Information
Number: 704/206
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Frequency > Specialized information
Description: Subject matter wherein the frequency data is analyzed to identify specific speech

Sub-classes under this class:

Class Number Class Name Patents
704/209 Formant 203
704/207 Pitch 686
704/210 Silence decision 167

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8712767 Scalable encoding apparatus, scalable decoding apparatus, scalable encoding method, scalable decoding method, communication terminal apparatus, and base station apparatus Apr. 29, 2014
8694306 Systems and methods for source signal separation Apr. 8, 2014
8694325 Hierarchical audio coding, decoding method and system Apr. 8, 2014
8682651 Audio visual signature, method of deriving a signature, and method of comparing audio-visual data Mar. 25, 2014
8682664 Method and device for audio signal classification using tonal characteristic parameters and spectral tilt characteristic parameters Mar. 25, 2014
8676574 Method for tone/intonation recognition using auditory attention cues Mar. 18, 2014
8676572 Computer-implemented system and method for enhancing audio to individuals participating in a conversation Mar. 18, 2014
8676172 Generating relational indicators based on analysis of telecommunications events Mar. 18, 2014
8666732 High frequency signal interpolating apparatus Mar. 4, 2014
8666733 Audio signal compression and decoding using band division and polynomial approximation Mar. 4, 2014
8645127 Efficient coding of digital media spectral data using wide-sense perceptual similarity Feb. 4, 2014
8631295 Error concealment Jan. 14, 2014
8626495 Method of correcting errors in binary masks Jan. 7, 2014
8620643 Auditory eigenfunction systems and methods Dec. 31, 2013
8620660 Very low bit rate signal coder and decoder Dec. 31, 2013
8615390 Low-delay transform coding using weighting windows Dec. 24, 2013
8615392 Systems and methods for producing an acoustic field having a target spatial pattern Dec. 24, 2013
8606567 Signal encoding apparatus, signal decoding apparatus, signal processing system, signal encoding process method, signal decoding process method, and program Dec. 10, 2013
8606586 Bandwidth extension encoder for encoding an audio signal using a window controller Dec. 10, 2013
8600765 Signal classification method and device, and encoding and decoding methods and devices Dec. 3, 2013
8600758 Reconstruction of a smooth speech signal from a stuttered speech signal Dec. 3, 2013
8583425 Methods, systems, and computer readable media for fricatives and high frequencies detection Nov. 12, 2013
8583426 Speech enhancement with voice clarity Nov. 12, 2013
8571853 Method and system for laughter detection Oct. 29, 2013
8566092 Method and apparatus for extracting prosodic feature of speech signal Oct. 22, 2013
8566107 Multi-mode method and an apparatus for processing a signal Oct. 22, 2013
8554546 Apparatus and method for calculating a fundamental frequency change Oct. 8, 2013
8548803 System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain Oct. 1, 2013
8538763 Speech enhancement with noise level estimation adjustment Sep. 17, 2013
8538755 Customizable method and system for emotional recognition Sep. 17, 2013
8538750 Speech communication system and method, and robot apparatus Sep. 17, 2013
8494842 Vibrato detection modules in a system for automatic transcription of sung or hummed melodies Jul. 23, 2013
8489391 Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication Jul. 16, 2013
8484018 Data converting apparatus and method that divides input data into plural frames and partially overlaps the divided frames to produce output data Jul. 9, 2013
8473282 Sound processing device and program Jun. 25, 2013
8473283 Pitch selection modules in a system for automatic transcription of sung or hummed melodies Jun. 25, 2013
8468025 Method and apparatus for processing signal Jun. 18, 2013
8468024 Generating a frame of audio data Jun. 18, 2013
8468014 Voicing detection modules in a system for automatic transcription of sung or hummed melodies Jun. 18, 2013
8463599 Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder Jun. 11, 2013
8463600 System and method for adjusting floor controls based on conversational characteristics of participants Jun. 11, 2013
8463603 Spectral envelope coding of energy attack signal Jun. 11, 2013
8452588 Encoding device, decoding device, and method thereof May. 28, 2013
8452586 Identifying music from peaks of a reference sound fingerprint May. 28, 2013
8438021 Signal classifying method and apparatus May. 7, 2013
8438012 Method and apparatus for adaptive sub-band allocation of spectral coefficients May. 7, 2013
8433073 Adding a sound effect to voice or sound by adding subharmonics Apr. 30, 2013
8428953 Audio decoding device, audio decoding method, program, and integrated circuit Apr. 23, 2013
8423356 Method of deriving a set of features for an audio input signal Apr. 16, 2013
8417515 Encoding device, decoding device, and method thereof Apr. 9, 2013

1 2 3 4 5 6 7

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