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7315813 |
Method of speech segment selection for concatenative synthesis based on prosody-aligned distance measure
A method of speech segment selection for concatenative synthesis based on prosody-aligned distance measure is disclosed. This method is based on comparison of speech segments segmented from a...
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7305337 |
Method and apparatus for speech coding and decoding
The present invention includes a method for speech encoding and decoding and a design of speech coder and decoder. The characteristic of speech encoding method relies on the type of data with high...
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7289951 |
Method for improving the coding efficiency of an audio signal
The invention relates to a method for improving the coding accuracy and transmission efficiency of an audio signal. According to the method, a part of the audio signal to be coded is compared with...
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7286986 |
Method and apparatus for smoothing fundamental frequency discontinuities across synthesized speech segments
A method of smoothing fundamental frequency discontinuities at boundaries of concatenated speech segments includes determining, for each speech segment, a beginning fundamental frequency value and...
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7286562 |
System and method for dynamically changing error algorithm redundancy levels
The invention is concerned with improvements in full duplex Internet telephone systems with a system architecture having low latency and permitting voice communication with telephone to telephone...
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7286980 |
Speech processing apparatus and method for enhancing speech information and suppressing noise in spectral divisions of a speech signal
A speech processing apparatus and method may identify divisions of a signal spectrum as having a speech component or having no speech component. A comb filter is generated, based on a high-accuracy...
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7280958 |
Method and system for suppressing receiver audio regeneration
The invention concerns a method ( 500 ) and system ( 100 ) for suppressing receiver audio regeneration. The method ( 500 ) includes the steps of receiving a communication signal ( 502 ), at a Radio...
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7277916 |
Dynamic translation between data network-based protocol in a data-packet-network and interactive voice response functions of a telephony network
A system for emulating interaction with an interactive voice response unit is provided. The system comprises, a client node connected to the network, the client node soliciting interaction with the...
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7275030 |
Method and apparatus to compensate for fundamental frequency changes and artifacts and reduce sensitivity to pitch information in a frame-based speech processing system
A method, computer program product, and data processing system for compensating for fundamental frequency changes in a frame-based speech processing system is disclosed. In a preferred embodiment...
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7272551 |
Computational effectiveness enhancement of frequency domain pitch estimators
Estimating a speech signal pitch frequency by determining a speech signal frame line spectrum including spectral lines having respective line amplitudes and frequencies, selecting a predefined...
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7266493 |
Pitch determination based on weighting of pitch lag candidates
There is provided a method of selecting a pitch lag value from a plurality of pitch lag candidates for coding a speech signal. The method comprises identifying the plurality of pitch lag candidates...
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7251597 |
Method for tracking a pitch signal
A method for tracking pitch signal, including receiving a detected pitch signal that consists of a succession of pitch values, and for each current pitch value in the detected signal perform the...
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7246059 |
Method for fast dynamic estimation of background noise
The invention provides a method and system for dynamically estimating background noise. The system includes a portable communication device, a vocoder, and a voice activated detector. Based on...
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7239999 |
Speed control playback of parametric speech encoded digital audio
A method of pitch corrected speed control (PCSC) playback in which a decoder rate controller receives a desired playback speed from a PCSC controller and determines the number of decoded digital...
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7236927 |
Pitch extraction methods and systems for speech coding using interpolation techniques
A method of searching for an interpolated peak of a Normalized Correlation Square (NCS) signal derived from an audio signal, comprises: producing quadratically interpolated correlation (QIC) signal...
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7233897 |
Method and apparatus for performing packet loss or frame erasure concealment
The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or standard FEC process. A receiver with...
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7233894 |
Low-frequency band noise detection
A pitch estimation system including a low-frequency band noise detector (LBND) operative to detect the presence of low-frequency band noise in a first audio frame, a frequency-domain pitch...
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7231346 |
Speech section detection apparatus
A speech section detection apparatus capable of reliably detecting a speech section even for a word containing a glottal stop sound or for a word containing a succession of “s” column sounds or...
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7219061 |
Method for detecting the time sequences of a fundamental frequency of an audio response unit to be synthesized
Predetermined macrosegments of the fundamental frequency are determined by a neural network, and these predefined macrosegments are reproduced by fundamental-frequency sequences stored in a...
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7212517 |
Method and apparatus for jitter and frame erasure correction in packetized voice communication systems
The invention comprises a system and method for correcting jitter and frame erasure in packet voice communication systems with out severely affecting the voice quality of the signal to be easily...
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7203639 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
2-D processing of speech
Acoustic signals are analyzed by two-dimensional (2-D) processing of the one-dimensional (1-D) speech signal in the time-frequency plane. The short-space 2-D Fourier transform of a...
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7191105 |
Characterizing, synthesizing, and/or canceling out acoustic signals from sound sources
A system for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate and animate sound sources. Electromagnetic sensors monitor excitation sources in sound producing...
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7177810 |
Method and apparatus for performing prosody-based endpointing of a speech signal
A method and apparatus for finding endpoints in speech by utilizing information contained in speech prosody. Prosody denotes the way speakers modulate the timing, pitch and loudness of phones,...
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7155313 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20 . The CPU 15 also deciphers whether or not an output value of...
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7155314 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20 . The CPU 15 also deciphers whether or not an output value of...
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7155386 |
Adaptive correlation window for open-loop pitch
An approach for adaptively adjusting the correlation window for open-loop pitch determination is presented. Correlation between a windowed reference signal (or target signal) and a candidate signal...
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7151983 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20 . The CPU 15 also deciphers whether or not an output value of...
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7151802 |
High frequency content recovering method and device for over-sampled synthesized wideband signal
In a method and device for recovering the high frequency content of a wideband signal previously down-sampled, and for injecting this high frequency content in an over-sampled synthesized version...
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7146250 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20 . The CPU 15 also deciphers whether or not an output value of...
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7146251 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20 . The CPU 15 also deciphers whether or not an output value of...
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7146249 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20 . The CPU 15 also deciphers whether or not an output value of...
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7146252 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20. The CPU 15 also deciphers whether or not an output value of...
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7142946 |
Robot apparatus
A robot apparatus is provided. A CPU 15 determines an output of a feeling model based on signals supplied from a touch sensor 20 . The CPU 15 also deciphers whether or not an output value of...
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7139700 |
Hybrid speech coding and system
Linear predictive speech coding system with classification of frames and a hybrid coder using both waveform coding and parametric coding for different classes of frames. Phase alignment for a...
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7127389 |
Method for encoding and decoding spectral phase data for speech signals
A speech decoder and a segment aligner are provided in the present invention. The speech decoder may include a spectrum reconstructor operative to reconstruct the spectrum of a speech segment from...
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7124075 |
Methods and apparatus for pitch determination
Methods and apparatus for detecting periodicity and/or for determining the fundamental period of a signal such as speech. The methods include embedding a portion of a sampled digitized signal into...
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7120575 |
Method and system for the automatic segmentation of an audio stream into semantic or syntactic units
A digitized speech signal ( 600 ) is input to an F0 (fundamental frequency) processor that computes ( 610 ) a continuous F0 data from the speech signal. By the criterion voicing state transition...
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7117147 |
Method and system for improving voice quality of a vocoder
The invention concerns a method ( 300 ) and system ( 100 ) for improving voice quality of a vocoder ( 138, 158 ). The method includes the steps of monitoring ( 312 ) a pitch of a voice signal ( 400...
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7117146 |
System for improved use of pitch enhancement with subcodebooks
A speech compression system capable of encoding a speech signal into a bitstream for subsequent decoding to generate synthesized speech is disclosed. The speech compression system optimizes the...
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7107213 |
Device for normalizing voice pitch for voice recognition
In a voice pitch normalization device equipped in a voice recognition device VRAp for recognizing an incoming command voice Sva uttered by any speaker, and used to normalize the incoming command...
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7103539 |
Enhanced coded speech
According to the invention, a method for increasing quality of an enhanced output signal to approximate an undistorted sound signal is disclosed. In one step, a distorted input signal is received...
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H002172 |
Pitch-synchronous speech processing
Pitch-synchronous speech processing invention involves two main steps: 1) divide the speech into pitch periods, or into pseudo pitch periods for unvoiced speech, where the breaks occur, for...
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7099820 |
Method and apparatus for concealing jitter buffer expansion and contraction
Methods for concealing audible distortions resulting from changes in jitter buffer size include receiving an audio stream, storing the audio stream in a jitter buffer, and determining a pitch...
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7092881 |
Parametric speech codec for representing synthetic speech in the presence of background noise
A system and method are provided for processing audio and speech signals using a pitch and voicing dependent spectral estimation algorithm (voicing algorithm) to accurately represent voiced speech,...
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7092874 |
Method and device for speech analysis
A device and a method for speech analysis are provided, comprising measuring fundamental notes of a speech sequence to be analysed and identifying frequency intervals between at least some of said...
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7085722 |
System and method for menu-driven voice control of characters in a game environment
In a gaming system, a user controls actions of characters in the game environment using speech commands. In a learning mode, available speech commands are displayed in a command menu on a display...
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7054806 |
Speech synthesis apparatus using pitch marks, control method therefor, and computer-readable memory
The distance between the first two pitch marks of a voiced portion of speech data to be processed is calculated. The difference between the adjacent inter-pitch-mark distances is calculated. The...
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7047190 |
Method and apparatus for performing packet loss or frame erasure concealment
The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or standard FEC process. A receiver with...
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7047184 |
Speech coding apparatus and speech decoding apparatus
A speech coding apparatus comprises a repetition period pre-selecting unit for generating a plurality of candidates for the repetition period of a driving excitation source by multiplying the...
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7043424 |
Pitch mark determination using a fundamental frequency based adaptable filter
A method of pitch mark determination for a speech includes the following steps. First, a fundamental frequency and fundamental frequency passband signals are acquired by using an adaptable filter....
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