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Class Information
Number: 704/214
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Time > Voiced or unvoiced
Description: Subject matter wherein time measurements are used to determine the presence (voiced










Patents under this class:
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Patent Number Title Of Patent Date Issued
8694308 System, method and program for voice detection Apr. 8, 2014
8694326 Communication terminal and communication method Apr. 8, 2014
8687831 Optimized energy and data transfer in hearing implant systems Apr. 1, 2014
8688438 Generating speech and voice from extracted signal attributes using a speech-locked loop (SLL) Apr. 1, 2014
8682654 Systems and methods for classifying sports video Mar. 25, 2014
8682662 Method and apparatus for voice activity determination Mar. 25, 2014
8682018 Microphone array with rear venting Mar. 25, 2014
8676572 Computer-implemented system and method for enhancing audio to individuals participating in a conversation Mar. 18, 2014
8670990 Dynamic time scale modification for reduced bit rate audio coding Mar. 11, 2014
8655156 Auxiliary audio transmission for preserving synchronized playout with paced-down video Feb. 18, 2014
8655320 Method and system for providing low-complexity voice messaging Feb. 18, 2014
8655653 Speech coding by quantizing with random-noise signal Feb. 18, 2014
8635063 Codebook sharing for LSF quantization Jan. 21, 2014
8635065 Apparatus and method for automatic extraction of important events in audio signals Jan. 21, 2014
8620645 Non-causal postfilter Dec. 31, 2013
8620646 System and method for tracking sound pitch across an audio signal using harmonic envelope Dec. 31, 2013
8620647 Selection of scalar quantixation (SQ) and vector quantization (VQ) for speech coding Dec. 31, 2013
8620650 Rejecting noise with paired microphones Dec. 31, 2013
8604327 Apparatus and method for automatic lyric alignment to music playback Dec. 10, 2013
8589152 Device, method and program for voice detection and recording medium Nov. 19, 2013
8589334 Robust information fusion methods for decision making for multisource data Nov. 19, 2013
8583427 Voice and data exchange over a packet based network with voice detection Nov. 12, 2013
8577674 Operating methods for voice activity detection/silence suppression system Nov. 5, 2013
8577672 Audible errors detection and prevention for speech decoding, audible errors concealing Nov. 5, 2013
8577675 Method and device for speech enhancement in the presence of background noise Nov. 5, 2013
8560328 Encoding device, decoding device, and method thereof Oct. 15, 2013
8560313 Transient noise rejection for speech recognition Oct. 15, 2013
8560301 Apparatus and method for language expression using context and intent awareness Oct. 15, 2013
8554560 Voice activity detection Oct. 8, 2013
8532986 Speech signal evaluation apparatus, storage medium storing speech signal evaluation program, and speech signal evaluation method Sep. 10, 2013
8494842 Vibrato detection modules in a system for automatic transcription of sung or hummed melodies Jul. 23, 2013
8478587 Voice analysis device, voice analysis method, voice analysis program, and system integration circuit Jul. 2, 2013
8473283 Pitch selection modules in a system for automatic transcription of sung or hummed melodies Jun. 25, 2013
8473282 Sound processing device and program Jun. 25, 2013
8468014 Voicing detection modules in a system for automatic transcription of sung or hummed melodies Jun. 18, 2013
8462962 Sound processor, sound processing method and recording medium storing sound processing program Jun. 11, 2013
8463600 System and method for adjusting floor controls based on conversational characteristics of participants Jun. 11, 2013
8438014 Separating speech waveforms into periodic and aperiodic components, using artificial waveform generated from pitch marks May. 7, 2013
8438016 Silence-based adaptive real-time voice and video transmission methods and system May. 7, 2013
8432935 Tandem-free intersystem voice communication Apr. 30, 2013
8417524 Analysis of the temporal evolution of emotions in an audio interaction in a service delivery environment Apr. 9, 2013
8407044 Telephony content signal discrimination Mar. 26, 2013
8392179 Multimode coding of speech-like and non-speech-like signals Mar. 5, 2013
8374852 Apparatus and method of code conversion and recording medium that records program for computer to execute the method Feb. 12, 2013
8370138 Scalable encoding device and scalable encoding method including quality improvement of a decoded signal Feb. 5, 2013
8370132 Distributed apparatus and method for a perceptual quality measurement service Feb. 5, 2013
8364492 Apparatus, method and program for giving warning in connection with inputting of unvoiced speech Jan. 29, 2013
8346543 Operating method for voice activity detection/silence suppression system Jan. 1, 2013
8326611 Acoustic voice activity detection (AVAD) for electronic systems Dec. 4, 2012
8326612 Non-speech section detecting method and non-speech section detecting device Dec. 4, 2012

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