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| Number | Title | Issue Date |
| 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 represented by a small number of FFT coefficients 116. A... | 01/18/2005 |
| 6836761 | Voice converter for assimilation by frame synthesis with temporal alignment A voice converting apparatus is constructed for converting an input voice into an output voice according to a target voice. In the apparatus, a storage section provisionally stores source data, which is associated to and extracted from the target voice. An analyzing... | 12/28/2004 |
| 6829581 | Method for prosody generation by unit selection from an imitation speech database A method is provided for prosody generation by unit selection from an imitation speech database. A rule based method of text to speech conversion is used to produce a set of intonation events by selecting syllables on which there would be either a pitch peak or dip ... | 12/07/2004 |
| 6826530 | Speech synthesis for tasks with word and prosody dictionaries A plurality of tasks are set in a speech synthesizing process, in which at least one of speakers, emotion or situation at the time speeches are made, and contents of the speeches, is different, and word dictionaries, prosody dictionaries, and waveform dictionaries c... | 11/30/2004 |
| 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 of phonological series is inputted, fundamental frequencies of respect... | 11/30/2004 |
| 6813604 | Methods and apparatus for speaker specific durational adaptation A text to speech system modeling durational characteristics of a target speaker is addressed herein. A body of target speaker training text is selected having maximum possible information about speaker specific characteristics. The body of target speaker training te... | 11/02/2004 |
| 6813607 | Translingual visual speech synthesis A computer implemented method in a language independent system generates audio-driven facial animation given the speech recognition system for just one language. The method is based on the recognition that once alignment is generated, the mapping and the animation h... | 11/02/2004 |
| 6810378 | Method and apparatus for controlling a speech synthesis system to provide multiple styles of speech A method and apparatus for synthesizing speech from text whereby the speech may be generated in a manner so as to effectively convey a particular, selectable style. Repeated patterns of one or more prosodic features—such as, for example, pitch, amplitude, spectral... | 10/26/2004 |
| 6810379 | Client/server architecture for text-to-speech synthesis A client/server text-to-speech synthesis system and method divides the method optimally between client and server. The server stores large databases for pronunciation analysis, prosody generation, and acoustic unit selection corresponding to a normalized text, while... | 10/26/2004 |
| 6804649 | Expressivity of voice synthesis by emphasizing source signal features Voice synthesis with improved expressivity is obtained in a voice synthesiser of source-filter type by making use of a library of source sound categories in the source module. Each source sound category corresponds to a particular morphological category and is deriv... | 10/12/2004 |
| 6801499 | Diversity schemes for packet communications A process (111,101) of sending packets of real-time information at a sender (311) includes steps of initially generating at the sender the packets of real-time information with a source rate (s11) greater than zero kilobits per second, and a tim... | 10/05/2004 |
| 6801894 | Speech synthesizer that interrupts audio output to provide pause/silence between words A speech synthesizer includes a data memory having a plurality of address areas, which stores a plurality of phases in the address areas and an address designating circuit designating one of the address areas based on the phase signal. Further, a speech synthesizer ... | 10/05/2004 |
| 6766298 | Application server configured for dynamically generating web pages for voice enabled web applications A unified web-based voice messaging system provides voice application control between a web browser and an application server via an hypertext transport protocol (HTTP) connection on an Internet Protocol (IP) network. The web browser receives an HTML page from the a... | 07/20/2004 |
| 6757653 | Reassembling speech sentence fragments using associated phonetic property A method of composing messages for speech output and the improvement of the quality of reproduction of speech outputs. A series of original sentences for messages is segmented and stored as audio files with search criteria. The length, position, and transition value... | 06/29/2004 |
| 6757654 | Forward error correction in speech coding An improved forward error correction (FEC) technique for coding speech data provides an encoder module which primary-encodes an input speech signal using a primary synthesis model to produce primary-encoded data, and redundant-encodes the input speech signal using a... | 06/29/2004 |
| 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 residue signal. The extraction process is performed in such a way that the... | 06/22/2004 |
| 6751592 | Speech synthesizing apparatus, and recording medium that stores text-to-speech conversion program and can be read mechanically A text analysis section reads, from a text file, a text to be subjected to speech synthesis, and analyzes the text using a morphological analysis section, a syntactic structure analysis section, a semantic analysis section and a similarly-pronounced-word detecting s... | 06/15/2004 |
| 6748355 | Method of sound synthesis A sound synthesis method for modeling and synthesizing dynamic, parameterized sounds. The sound synthesis method yields perceptually convincing sounds and provides flexibility through model parameterization. By manipulating model parameters, a variety of related, bu... | 06/08/2004 |
| 6748358 | ELECTRONIC SPEAKING DOCUMENT VIEWER, AUTHORING SYSTEM FOR CREATING AND EDITING ELECTRONIC CONTENTS TO BE REPRODUCED BY THE ELECTRONIC SPEAKING DOCUMENT VIEWER, SEMICONDUCTOR STORAGE CARD AND INFORMATION PROVIDER SERVER An improved electronic speaking document viewer is provided in order that a user can readily use electronic texts in the same manner as reading text images printed on paper. The electronic speaking document viewer accommodates a semiconductor storage card in the for... | 06/08/2004 |
| 6748357 | Device and method for reproduction of sounds with independently variable duration and pitch The waveform generation device can reproduce waveform data of various sounds stored in a memory at a reproduction velocity of reproducing waveforms at a real time and is provided with a storage system for storing the waveform data of a waveform sequence with the plu... | 06/08/2004 |
| 6738457 | Voice processing system A voice processing system 10 is connected to the telephone network 110, and runs one or more applications 220 for controlling interaction with calls to or from the telephone network. The system records audio segments by first and second speakers, and e... | 05/18/2004 |
| 6735567 | Encoding and decoding speech signals variably based on signal classification 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 bandwidth consumed by the bitstream by balancing the desired average bit... | 05/11/2004 |
| 6728675 | Data processor controlled display system with audio identifiers for overlapping windows in an interactive graphical user interface There is provided a user friendly display interface system for the interactive handling and sorting out of windows in complex window hierarchical graphical user interfaces. The system provides for the storage of a hierarchy of windows which are displayable to overla... | 04/27/2004 |
| 6725199 | Speech synthesis apparatus and selection method A speech synthesizer includes plural synthesis engines each having different characteristics and converting text-form utterances into speech form. One of the synthesis engines is selected as the current operative engine for producing speech-form utterances for a spe... | 04/20/2004 |
| 6704711 | System and method for modifying speech signals A system and method for speech signal enhancement upsamples a narrowband speech signal at a receiver to generate a wideband speech signal. The lower frequency range of the wideband speech signal is reproduced using the received narrowband speech signal. T... | 03/09/2004 |
| 6701295 | Methods and apparatus for rapid acoustic unit selection from a large speech corpus A speech synthesis system can select recorded speech fragments, or acoustic units, from a very large database of acoustic units to produce artificial speech. The selected acoustic units are chosen to minimize a combination of target and concatenation cost... | 03/02/2004 |
| 6697780 | Method and apparatus for rapid acoustic unit selection from a large speech corpus A speech synthesis system can select recorded speech fragments, or acoustic units, from a very large database of acoustic units to produce artificial speech. The selected acoustic units are chosen to minimize a combination of target and concatenation cost... | 02/24/2004 |
| 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, there is a correlation between a bandlimited signal and th... | 02/10/2004 |
| 6687664 | Audio-visual scrubbing system A method and apparatus for an audio scrubbing system for synchronizing audio to an asynchronous clock while preserving pitch utilizes a phase-vocoder to implement time-scaling without pitch-shifting.... | 02/03/2004 |
| 6687675 | Message storage device A portable device for displaying an image and generating an associated audible message to a user includes a compartment having an area for visually displaying an image to a user and a system for generating an audio message associated with the image from s... | 02/03/2004 |
| 6684187 | Method and system for preselection of suitable units for concatenative speech A system and method for improving the response time of text-to-speech synthesis utilizes "triphone contexts" (i.e., triplets comprising a central phoneme and its immediate context) as the basic unit, instead of performing phoneme-by-phoneme synthesis. Pri... | 01/27/2004 |
| 6681208 | Text-to-speech native coding in a communication system A method of converting text to speech in a communication device includes providing a code table containing coded speech parameters. Next steps include inputting a text message into a communication device, and dividing the text message into phonics. A next... | 01/20/2004 |
| 6665641 | Speech synthesis using concatenation of speech waveforms A high quality speech synthesizer in various embodiments concatenates speech waveforms referenced by a large speech database. Speech quality is further improved by speech unit selection and concatenation smoothing.... | 12/16/2003 |
| 6662159 | Recognizing speech data using a state transition model Detecting an unknown word in input speech data reduces the search space and the memory capacity for the unknown word. For this purpose, an HMM data memory stores data describing a state transition mode for the unknown word, defined by a number of states a... | 12/09/2003 |
| 6631351 | Smart toys Talking toys perform simulated conversations with one another. The toys each include a forest of decision graphs. The forest of decision graphs is the same for each toy. Each of the decision graphs corresponds to a conversation and includes a number of no... | 10/07/2003 |
| 6625576 | Method and apparatus for performing text-to-speech conversion in a client/server environment A method and apparatus for performing text-to-speech conversion in a client/server environment partitions an otherwise conventional text-to-speech conversion algorithm into two portions: a first "text analysis" portion, which generates from an original in... | 09/23/2003 |
| 6601030 | Method and system for recorded word concatenation A method and system are provided for performing recorded word concatenation to create a natural sounding sequence of words, numbers, phrases, sounds, etc. for example. The method and system may include a tonal pattern identification unit that identifies t... | 07/29/2003 |
| 6598001 | Method of analyzing acquired signals for automatic location thereon of at least one significant instant A method for automatic analysis of signals acquired by one or more elastic or acoustic wave pickups to automatically locate with high precision, at least one significant instant such as the time of first arrival on each pickup (ti) and/or the e... | 07/22/2003 |
| 6598018 | Method for natural dialog interface to car devices A computer-implemented method and apparatus for processing a spoken request from a user to control an automobile device. A speech recognizer recognizes a user's speech input and a speech understanding module determines semantic components of the speech in... | 07/22/2003 |
| 6587819 | Chinese character conversion apparatus using syntax information The invention provides a Chinese character conversion apparatus using syntax information to obtain a high correct conversion rate by utilizing the speech part attribute of Chinese words. The apparatus cuts out a syllable from an input phonogram string, an... | 07/01/2003 |
