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Class Information
Number: 704/207
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Frequency > Specialized information > Pitch
Description: Subject matter wherein the specific speech
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7627468 |
Apparatus and method for extracting syllabic nuclei |
Dec. 1, 2009 |
| 7617094 |
Methods, apparatus, and products for identifying a conversation |
Nov. 10, 2009 |
| 7613611 |
Method and apparatus for vocal-cord signal recognition |
Nov. 3, 2009 |
| 7613616 |
Training a user to execute a sequence of commands in a game environment by using voice control |
Nov. 3, 2009 |
| 7606711 |
Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method |
Oct. 20, 2009 |
| 7606701 |
Method and apparatus for determining emotional arousal by speech analysis |
Oct. 20, 2009 |
| 7603271 |
Speech coding apparatus with perceptual weighting and method therefor |
Oct. 13, 2009 |
| 7593847 |
Pitch detection method and apparatus |
Sep. 22, 2009 |
| 7590532 |
Voice code conversion method and apparatus |
Sep. 15, 2009 |
| 7587312 |
Method and apparatus for pitch modulation and gender identification of a voice signal |
Sep. 8, 2009 |
| 7580893 |
Acoustic signal coding method and apparatus, acoustic signal decoding method and apparatus, and acoustic signal recording medium |
Aug. 25, 2009 |
| 7580512 |
Selection of incoming call screening treatment based on emotional state criterion |
Aug. 25, 2009 |
| 7574352 |
2-D processing of speech |
Aug. 11, 2009 |
| 7571093 |
Method of identifying duplicate voice recording |
Aug. 4, 2009 |
| 7571094 |
Circuits, processes, devices and systems for codebook search reduction in speech coders |
Aug. 4, 2009 |
| 7565286 |
Method for recovery of lost speech data |
Jul. 21, 2009 |
| 7558727 |
Method of synthesis for a steady sound signal |
Jul. 7, 2009 |
| 7554969 |
Systems and methods for encoding and decoding speech for lossy transmission networks |
Jun. 30, 2009 |
| 7542898 |
Pitch cycle search range setting apparatus and pitch cycle search apparatus |
Jun. 2, 2009 |
| 7529660 |
Method and device for frequency-selective pitch enhancement of synthesized speech |
May. 5, 2009 |
| 7523032 |
Speech coding method, device, coding module, system and software program product for pre-processing the phase structure of a to be encoded speech signal to match the phase structure of the dec |
Apr. 21, 2009 |
| 7505899 |
Speech code sequence converting device and method in which coding is performed by two types of speech coding systems |
Mar. 17, 2009 |
| 7493254 |
Pitch determination method and apparatus using spectral analysis |
Feb. 17, 2009 |
| 7490035 |
Pitch shifting apparatus |
Feb. 10, 2009 |
| 7478045 |
Method and device for characterizing a signal and method and device for producing an indexed signal |
Jan. 13, 2009 |
| 7478039 |
Stochastic modeling of spectral adjustment for high quality pitch modification |
Jan. 13, 2009 |
| 7474739 |
Providing speaker identifying information within embedded digital information |
Jan. 6, 2009 |
| 7461342 |
Graphical user interface (GUI) script generation and documentation |
Dec. 2, 2008 |
| 7457743 |
Method for improving the coding efficiency of an audio signal |
Nov. 25, 2008 |
| 7457744 |
Method of estimating pitch by using ratio of maximum peak to candidate for maximum of autocorrelation function and device using the method |
Nov. 25, 2008 |
| 7457746 |
Pitch prediction for packet loss concealment |
Nov. 25, 2008 |
| 7451079 |
Emotion recognition method and device |
Nov. 11, 2008 |
| 7437298 |
Method and apparatus for mobile phone using semiconductor device capable of inter-processing voice signal and audio signal |
Oct. 14, 2008 |
| 7430506 |
Preprocessing of digital audio data for improving perceptual sound quality on a mobile phone |
Sep. 30, 2008 |
| 7411985 |
Low-complexity packet loss concealment method for voice-over-IP speech transmission |
Aug. 12, 2008 |
| 7406419 |
Quality assessment tool |
Jul. 29, 2008 |
| 7403893 |
Method and apparatus for reconstructing voice information |
Jul. 22, 2008 |
| 7398204 |
Bit rate reduction in audio encoders by exploiting inharmonicity effects and auditory temporal masking |
Jul. 8, 2008 |
| 7383175 |
Pitch adaptive equalization for improved audio |
Jun. 3, 2008 |
| 7376557 |
Method and apparatus of overlapping and summing speech for an output that disrupts speech |
May. 20, 2008 |
| 7376554 |
Excitation for higher band coding in a codec utilising band split coding methods |
May. 20, 2008 |
| 7376562 |
Method and apparatus for nonlinear frequency analysis of structured signals |
May. 20, 2008 |
| 7373294 |
Intonation transformation for speech therapy and the like |
May. 13, 2008 |
| 7359859 |
Computer-based training system and method for enhancing language listening comprehension |
Apr. 15, 2008 |
| 7353167 |
Translating a voice signal into an output representation of discrete tones |
Apr. 1, 2008 |
| 7353168 |
Method and apparatus to eliminate discontinuities in adaptively filtered signals |
Apr. 1, 2008 |
| 7340393 |
Emotion recognizing method, sensibility creating method, device, and software |
Mar. 4, 2008 |
| 7337107 |
Perceptual harmonic cepstral coefficients as the front-end for speech recognition |
Feb. 26, 2008 |
| 7330738 |
Apparatus and method for canceling residual echo in a mobile terminal of a mobile communication system |
Feb. 12, 2008 |
| 7328149 |
Audio segmentation and classification |
Feb. 5, 2008 |
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