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7627198 Information signal processing device and processing method, codebook generating device and generating method, and program for executing the methods  
Standard Definition signals are divided into blocks at a tap extracting unit, and pixel data contained in each block is extracted as a class tap. A class classification unit obtains class code...
7606711 Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method  
The pitch extracting part generates a pitch waveform signal in a manner making the time interval of the pitch of the input audio sound data to be the same. After the number of samples in each...
7596497 Speech synthesis apparatus and speech synthesis method  
A speech synthesis apparatus and a speech synthesis method, in which a waveform of a desired formant shape may be generated with a small volume of computing operations. A voiced sound generating...
7552052 Voice synthesis apparatus and method  
A plurality of voice segments, each including one or more phonemes are acquired in a time-serial manner, in correspondence with desired singing or speaking words. As necessary, a boundary is...
7529672 Speech synthesis using concatenation of speech waveforms  
A method of synthesizing a speech signal by providing a first speech unit signal having an end interval and a second speech unit signal having a front interval, wherein at least some of the periods...
7519535 Frame erasure concealment in voice communications  
A voice decoder configured to receive a sequence of frames, each of the frames having voice parameters. The voice decoder includes a speech generator that generates speech from the voice...
7478047 Interactive character system  
A system and method for controlling a synthetic character using a control system displays the character engaged in an activity, receiving a first input from a user, determines whether the input is...
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, and computer-readable medium storing program codes for controlling such apparatus  
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...
7418388 Voice synthesizing method using independent sampling frequencies and apparatus therefor  
A method and a system of producing a synthesized voice is provided. A voice sound waveform is provided at a voice sampling frequency based on pronunciation informations. A voice-less sound waveform...
7409347 Data-driven global boundary optimization  
Portions from segment boundary regions of a plurality of speech segments are extracted. Each segment boundary region is based on a corresponding initial unit boundary. Feature vectors that...
7395202 Method and apparatus to facilitate vocoder erasure processing  
Upon receiving ( 101 ) a vocoded voice frame and detecting ( 102 ) that the received vocoded voice frame comprises an erased frame, one automatically replaces ( 103 ) the erased frame with a valid...
7318034 Speech signal interpolation device, speech signal interpolation method, and program  
A voice signal interpolation apparatus is provided which can restore original human voices from human voices in a compressed state while maintaining a high sound quality. When a voice signal...
7307981 Apparatus and method for converting LSP parameter for voice packet conversion  
An apparatus for converting voice packets transmitted/received through a network includes a first transcoder for performing at least one of bit-unpacking and unquantization on an encoded packet at...
7283961 High-quality speech synthesis device and method by classification and prediction processing of synthesized sound  
There is disclosed a speech processing device in which prediction taps for finding prediction values of the speech of high sound quality are extracted from the synthesized sound obtained on...
7280968 Synthetically generated speech responses including prosodic characteristics of speech inputs  
A method for digitally generating speech with improved prosodic characteristics can include receiving a speech input, determining at least one prosodic characteristic contained within the speech...
7263080 Architecture of an integrated circuit for streaming media over wireless networks  
An integrated circuit for streaming media over wireless networks is disclosed. The integrated circuit includes a media module that is designed to process media data. When non-media data is in,...
7224853 Method and apparatus for resampling data  
A set of known data samples are identified and an approximation of an original function from which the known data samples were obtained is created. The approximation function is then resampled to...
7177812 Universal sampling rate converter for digital audio frequencies  
A method for conversion of input audio frequency data, at an input sample frequency, to output audio frequency data, at an output sample frequency. The input data is subjected to expansion to...
7143032 Method and system for an overlap-add technique for predictive decoding based on extrapolation of speech and ringinig waveform  
A method and system are provided for removing discontinuities associated with synthesizing a corrupted frame output from a decoder including one or more predictive filters. The corrupted frame is...
7136876 Method and system for building an abbreviation dictionary  
A method and apparatus for building an abbreviation dictionary involves searching through a set of source documents. The abbreviations having likely definitions are identified and the definitions...
RE39336 Formant-based speech synthesizer employing demi-syllable concatenation with independent cross fade in the filter parameter and source domains  
The concatenative speech synthesizer employs demi-syllable subword units to generate speech. The synthesizer is based on a source-filter model that uses source signals that correspond closely to...
7085724 Linking in parametric encoding  
The invention relates to a linking unit 100 , a parametric encoder 400 and a method for generating linking information L indicating components of consecutive extended segments sp and sc which...
7031912 Speech coding apparatus capable of implementing acceptable in-channel transmission of non-speech signals  
A speech coding apparatus includes a frequency parameter generating unit that generates LSP coefficients of an input signal. When the input signal is a non-speech signal, it generates the LSP...
7010488 System and method for compressing concatenative acoustic inventories for speech synthesis  
A system and method is used to compress concatenative acoustic inventories for speech. Instead of using general purpose signal compression methods such as vector quantization, the method of the...
6967277 Audio tone controller system, method, and apparatus  
Embodiments of the invention comprise a new device and technique to realize a utilization for providing a system, method, and apparatus for providing an improved audio tone control and generation....
6934684 Voice-interactive marketplace providing promotion and promotion tracking, loyalty reward and redemption, and other features  
The invention provides a system, method, and business model for an information system and service having business self-promotion, promotion and promotion tracking, loyalty or frequent participant...
6934649 Waveform detection system and state-monitoring system  
The present invention provides a waveform detection system and a state-monitoring system. The waveform detection system features a signal-processing function that characterizes and detects...
6915261 Matching a synthetic disc jockey's voice characteristics to the sound characteristics of audio programs  
A system and method for matching voice characteristics of a synthetic disc jockey are presented. A first segment of audio signal and a second segment of audio signal are received by a sound...
6907398 Compressing HMM prototypes  
A method is described for compressing the storage space required by HMM prototypes in an electronic memory. For this purpose prescribed HMM prototypes are mapped onto compressed HMM prototypes with...
6901069 Sub-packet insertion for packet loss compensation in voice over IP networks  
A method of compensating within a receiving endpoint for lost audio packets transmitted across an IP network, comprising the steps of storing a packet buffer of samples as a plurality of sub...
6804651 Method and device for determining a measure of quality of an audio signal  
Initially, voice signal components ( 4 ) are extracted from the audio signal ( 1 ) in a procedure for determining a measure of quality ( 2 ) of an audio signal ( 1 ). Based on this signal, a...
6691092 Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system  
A system determines a voicing measure as a measure of the degree of signal periodicity and uses the determined voicing measure to quantize the spectral magnitude of the slowly evolving waveform...
6678657 Method and apparatus for a robust feature extraction for speech recognition  
The present invention relates to a method and an apparatus for a robust feature extraction for speech recognition in a noisy environment, wherein the speech signal is segmented and is characterized...
6668029 Methods and apparatus for implementing digital resampling circuits  
Methods and apparatus for implementing digital resampling circuits which create one or more bitstreams which include samples at desired rates, from an input bitstream having a fixed sample rate,...
6594626 Voice encoding and voice decoding using an adaptive codebook and an algebraic codebook  
Disclosed is a voice encoding method having a synthesis filter implemented using linear prediction coefficients obtained by dividing an input signal into frames each of a fixed length, and...
6584438 Frame erasure compensation method in a variable rate speech coder  
A frame erasure compensation method in a variable-rate speech coder includes quantizing, with a first encoder, a pitch lag value for a current frame and a first delta pitch lag value equal to the...
6553343 Speech synthesis method  
A speech synthesis method subjects a reference speech signal to windowing to extract an aperiodic speech pitch wave from the reference speech signal. A linear prediction coefficient is generated by...
6513007 Generating synthesized voice and instrumental sound  
There is provided a synthesized sound generating apparatus and method which can achieve responsive and high-quality speech synthesis based on a real-time convolution operation. Coefficients are...
6493664 Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system  
Encoding of prototype waveform components applicable to telecommunication systems provides improved voice quality enabling a dual-channel mode of operation which permits more users to communicate...
6490562 Method and system for analyzing voices  
It is to assign proper pitch marks to voice waveforms, thereby to obtain smoothly synthesized voices and to control pitches of voices very accurately according to pitch marks of recorded messages. ...
6453287 Apparatus and quality enhancement algorithm for mixed excitation linear predictive (MELP) and other speech coders  
A system and method for enhancing the speech quality of the mixed excitation linear predictive (MELP) coder and other low bit-rate speech coders. The system and method employ a plosive...
6449590 Speech encoder using warping in long term preprocessing  
A multi-rate speech codec supports a plurality of encoding bit rate modes by adaptively selecting encoding bit rate modes to match communication channel restrictions. In higher bit rate encoding...
6377916 Multiband harmonic transform coder  
A speech signal is encoded into a set of encoded bits by digitizing the speech signal to produce a sequence of digital speech samples that are divided into a sequence of frames, each of which spans...
6360198 Audio processing method, audio processing apparatus, and recording reproduction apparatus capable of outputting voice having regular pitch regardless of reproduction speed  
A reproduction part reproduced at a changeable speed ratio r. An A/D conversion part A/D converts, based on sampling frequency f i , an audio signal reproduced at a speed different from that upon...
6347295 Computer method and apparatus for grapheme-to-phoneme rule-set-generation  
A computer method and apparatus provide automatic generation of grapheme-to-phoneme rules, used in text-to-speech synthesis systems. The invention method and apparatus are based on a statistical...
6278971 Phase detection apparatus and method and audio coding apparatus and method  
An apparatus and procedure for performing phase detection in which one-pitch cycle of an input signal waveform is cut out on a time axis. The cut-out one pitch cycle is filled with zeroes to form 2...
6260017 Multipulse interpolative coding of transition speech frames  
A multipulse interpolative coder for transition speech frames includes an extractor configured to represent a first frame of transitional speech samples by a subset of the samples of the frame. The...
6240299 Cellular radiotelephone having answering machine/voice memo capability with parameter-based speech compression and decompression  
A method for speech encoding and decoding usable in a Digital Telephone Answering Machine/Voice Memo for a cellular radiotelephone is provided. The apparatus uses parameter-based speech compression...
6208969 Electronic data processing apparatus and method for sound synthesis using transfer functions of sound samples  
A method and an electronic data processing apparatus for wave synthesis that retains the true qualities of naturally occurring sounds, such as those of musical instruments, speech, or other sounds....
6175821 Generation of voice messages  
A voice message is generated having an invariable portion and a variable portion. Most of the invariable portion is provided in the form of recorded speech whereas the variable portion is provided...
Matches 1 - 50 out of 132 1 2 3 >