Matches 51 - 100 out of 236 < 1 2 3 4 5 >
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6845359 FFT based sine wave synthesis method for parametric vocoders  
A Fast Fourier Transform (FFT) based voice synthesis method 110, program product and vocoder. Sounds, e.g., speech and audio, are synthesized from multiple sine waves. Each sine wave component is...
6829939 Method and apparatus for measuring sound that takes hearing characteristics into consideration  
Sounds input via a sound input device are corrected in accordance with age-based hearing characteristic data read from a memory or correction values for reference hearing characteristics for...
6826531 Speech information processing method and apparatus and storage medium using a segment pitch pattern model  
A speech information processing apparatus synthesizes speech with natural intonation by modeling time change in fundamental frequency of a predetermined unit of phoneme. When a predetermined unit...
6816833 Audio signal processor with pitch and effect control  
An audio processing apparatus is constructed for generating an auxiliary audio signal based on an original audio signal and mixing the auxiliary audio signal to the original audio signal. In the...
6778962 Speech synthesis with prosodic model data and accent type  
A speech synthesizing method includes determining the accent type of the input character string, selecting the prosodic model data from a prosody dictionary for storing typical ones of the prosodic...
6754630 Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation  
In a method of synthesizing voiced speech from pitch prototype waveforms by time-synchronous waveform interpolation (TSWI), one or more pitch prototypes is extracted from a speech signal or a...
6741962 Speech recognition system and standard pattern preparation system as well as speech recognition method and standard pattern preparation method  
A speech recognition system for recognizing an input voice of a narrow frequency band. The speech recognition system includes: a frequency band converting unit for converting the input voice of the...
6691081 Digital signal processor for processing voice messages  
A digital signal processor for processing data including voice messaging data that may have both voiced and unvoiced speech components utilizes computer routines stored in a memory used by the...
6691083 Wideband speech synthesis from a narrowband speech signal  
Wideband speech is synthesized from a bandlimited speech signal, for example from speech which has been transmitted via the public switched telephone network. Due to the nature of the vocal tract,...
6687674 Waveform forming device and method  
Waveform data of a plurality of loop waveforms are prestored along with initial phase information corresponding to the loop waveforms. Two of the loop waveforms are selected and repeatedly read out...
6665637 Error concealment in relation to decoding of encoded acoustic signals  
The present invention relates to the concealment of errors in decoded acoustic signals caused by encoded data representing the acoustic signals being partially lost or damaged during transmission...
6658382 Audio signal coding and decoding methods and apparatus and recording media with programs therefor  
An input signal is time-frequency transformed, then the frequency-domain coefficients are divided into coefficient segments of about 100 Hz width to generate a sequence of coefficient segments, and...
6629067 Range control system  
A range control system includes an input section for inputting a singing voice, a fundamental frequency extracting section for extracting a fundamental frequency of the inputted voice, and a pitch...
6606600 Scalable subband audio coding, decoding, and transcoding methods using vector quantization  
Using a group of spectral components from an audio signal, a coder produces a digital data stream (Φ) including the quantification indices (QE 0 m) of at least some of the spectral components (E 0...
6594631 Method for forming phoneme data and voice synthesizing apparatus utilizing a linear predictive coding distortion  
A method for forming phoneme data and a voice synthesizing apparatus for phoneme data in the voice synthesizing apparatus is provided. In this method and apparatus, an LPC coefficient is obtained...
6591234 Method and apparatus for adaptively suppressing noise  
A processor ( 300 ) is arranged to divide a communication signal into a plurality of frequency band signals including speech and noise components due to speech and noise. The processor generates...
6539355 Signal band expanding method and apparatus and signal synthesis method and apparatus  
A bandwidth expanding method and apparatus in which frequency characteristics of high-frequency components of broad band signals can be adjusted to the liking of the user, overflow due to addition...
6535852 Training of text-to-speech systems  
Building a data-driven text-to-speech system involves collecting a database of natural speech from which to train models or select segments for concatenation. Typically the speech in that database...
6513008 Method and tool for customization of speech synthesizer databases using hierarchical generalized speech templates  
A speech synthesizer customization system provides a mechanism for generating a hierarchical customized user database. The customization system has a template management tool for generating the...
6499014 Speech synthesis apparatus  
The speech synthesis apparatus of the present invention includes: a text analyzer operable to generate a phonetic and prosodic symbol string from character information of an input text; a word...
6477495 Speech synthesis system and prosodic control method in the speech synthesis system  
A prosodic parameter for an input text is computed by storing a sentence of vocalized speech in a speech corpus memory, searching for a stored text having a similar prosody to an input text as a...
6438522 METHOD AND APPARATUS FOR SPEECH SYNTHESIS WHEREBY WAVEFORM SEGMENTS EXPRESSING RESPECTIVE SYLLABLES OF A SPEECH ITEM ARE MODIFIED IN ACCORDANCE WITH RHYTHM, PITCH AND SPEECH POWER PATTERNS EXPRESSED BY A PROSODIC TEMPLATE  
A method and apparatus for speech synthesis utilize a plurality of stored prosodic templates, each having been generated based on a series of enunciations of a single syllable executed in...
6424944 Singing apparatus capable of synthesizing vocal sounds for given text data and a related recording medium  
A text analyzing section converts given text data into syllable data. A melody producing section receives the converted syllable data together with the text data and a standard MIDI file. The...
6377917 System and methodology for prosody modification  
A prosody modification system and methodology calculates synchronization marks in an original, quasi-periodic signal to a finer precision than the sampling rate of the original signal. Synthetic...
6336092 Targeted vocal transformation  
The invention is a method for transforming a source individual's voice so as to adopt the characteristics of a target individual's voice. The excitation signal component of the target individual's...
6317713 Speech synthesis based on cricothyroid and cricoid modeling  
Sound generating parameters are used for outputting fundamental frequency and a command regarding prosody, and a sound source generator. The sound generation device further includes use of an...
6311158 Synthesis of time-domain signals using non-overlapping transforms  
Techniques for synthesizing a time-domain signal. The time-domain signal is partitioned into a number of time-domain frames and a waveform in generated for each time-domain frame. Each waveform...
6308156 Microsegment-based speech-synthesis process  
A digital speech synthesis process in which utterances in a language are recorded, and the recorded utterances are divided into speech segments which are stored so as to allow their allocation to...
6301556 Reducing sparseness in coded speech signals  
An apparatus and method for reducing sparseness in a coded speech signal. Sparse codebook values are generated from a codebook. An anti-sparseness operation is performed on the sparse codebook...
6292775 Speech processing system using format analysis  
A speech processing system (10) incorporates an analogue to digital converter (16) to digitize input speech signals for Fourier transformation to produce short-term spectral cross-sections. These...
6289310 Apparatus for enhancing phoneme differences according to acoustic processing profile for language learning impaired subject  
An apparatus and method for screening an individual's ability to process acoustic events is provided. The invention provides sequences (or trials) of acoustically processed target and distractor...
6289311 Sound synthesizing method and apparatus, and sound band expanding method and apparatus  
A method and apparatus for sound synthesizing and sound band expanding of a narrow band input signal uses wide-band voiced and unvoiced sound code books and also uses narrow-band voiced and...
6289309 Noise spectrum tracking for speech enhancement  
A spectrum-based speech enhancement system estimates and tracks the noise spectrum of a mixed speech and noise signal. The system frames and windows a digitized signal and applies the frames to a...
6278974 High resolution speech synthesizer without interpolation circuit  
The present invention is related to a speech synthesizer which includes a sampled signal storing device storing therein a sampled signal and outputting the sampled signal in response to an input...
6253182 Method and apparatus for speech synthesis with efficient spectral smoothing  
The present invention provides a method for synthesizing speech by modifying the prosody of individual components of a training speech signal and then combining the modified speech segments. The...
6240388 Audio data decoding device and audio data coding/decoding system  
An audio data coding device includes a frequency/time converter circuit for decoding audio data in form of decoded frequency-region signal made by time/frequency conversion, and adjusting circuit...
6233558 Method and apparatus for simultaneous tracing of multiple transmission lines  
A method and apparatus are provided for use in tracing transmission lines from a first location to a second location. The apparatus comprises a multi-channel speech synthesizer, a digital to analog...
6208958 Pitch determination apparatus and method using spectro-temporal autocorrelation  
A pitch determination apparatus and method using spectro-temporal autocorrelation to prevent pitch determination errors are provided. The pitch determination apparatus using spectro-temporal...
6199039 Synthesis subband filter in MPEG-II audio decoding  
An MPEG-II audio decoder with a synthesis subband filter includes a fast IMDCT (Inverse Modified Discrete Cosine Transform) module and an IPQMF (Inverse Pseudo Quadrature Mirror Filter) module. The...
6182042 Sound modification employing spectral warping techniques  
A system and method for modifying a subportion of information contained in an audio, such as magnitude information, without substantially effecting the remaining information contained therein, such...
6173263 Method and system for performing concatenative speech synthesis using half-phonemes  
A method and system are provided for performing concatenative speech synthesis using half-phonemes to allow the full utilization of both diphone synthesis and unit selection techniques in order to...
6163769 Text-to-speech using clustered context-dependent phoneme-based units  
A text-to-speech system includes a storage device for storing a clustered set of context-dependent phoneme-based units of a target speaker. In one embodiment, decision trees are used wherein each...
6125346 Speech synthesizing system and redundancy-reduced waveform database therefor  
A speech synthesizing system using a redundancy-reduced waveform database is disclosed. Each waveform of a sample set of voice segments necessary and sufficient for speech synthesis is divided into...
6125344 Pitch modification method by glottal closure interval extrapolation  
The present invention relates to an improved pitch modification method by glottal closure interval extrapolation. It is an object of the present invention to modify pitches of speech signals by the...
6101470 Methods for generating pitch and duration contours in a text to speech system  
A method for automatically generating pitch contours in a text to speech (TtS) system, the system converting input text into an output acoustic signal simulating natural speech, the method...
6085157 Reproducing velocity converting apparatus with different speech velocity between voiced sound and unvoiced sound  
The present invention can obtain a clear velocity converted sound in a sound signal which is recorded in recording media, without changing an interval of the sound signal. An input sound signal...
6081781 Method and apparatus for speech synthesis and program recorded medium  
Data in the same range of the fundamental frequency F 0 as speech segments are used as learning data to prepare a reference codebook CB M for a spectrum envelope. The same learning data for a...
6073094 Voice compression by phoneme recognition and communication of phoneme indexes and voice features  
A communication system includes a transmitter for transmitting messages to a plurality of receiving devices of the communication system, and a processing system. The processing system is adapted to...
6067519 Waveform speech synthesis  
6064955 Low complexity MBE synthesizer for very low bit rate voice messaging  
A MBE synthesizer (2200) for generating speech from information received by a receiver (114) includes a voiced signal generator (2280) for generating voiced signal components in the time domain...
Matches 51 - 100 out of 236 < 1 2 3 4 5 >