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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 8170879 | Periodic signal enhancement system A signal enhancement system improves the understandability of speech or other audio signals. The system reinforces selected parts of the signal, may attenuate selected parts of the signal, and may increase SNR. The system includes delay logic, a partitioned adaptive... | 05/01/2012 |
| 8165882 | Method, apparatus and program for speech synthesis Apparatus and method for generating high quality synthesized speech having smooth waveform concatenation. The apparatus includes a pitch frequency calculation section, a pitch synchronization position calculation section, a unit waveform storage, a unit waveform sel... | 04/24/2012 |
| 8145491 | Techniques for enhancing the performance of concatenative speech synthesis When pitch of a speech segment is being modified from a current pitch to a requested pitch, and the difference between these is relatively large, a pitch modification algorithm is used to modify the pitch of the speech segment. When the difference between current an... | 03/27/2012 |
| 8108217 | Noise adaptive mobile communication device, and call sound synthesizing method using the same A noise adaptive mobile communication device including a noise collecting microphone which collects noise from a peripheral environment; a noise sensing unit which senses the collected noise; a frequency-component detecting unit which detects a frequency component o... | 01/31/2012 |
| 8027837 | Using non-speech sounds during text-to-speech synthesis Systems, apparatus, methods and computer program products are described for producing text-to-speech synthesis with non-speech sounds. In general, some of the pauses or silences that would otherwise be generated in synthesized speech are instead synthesized as non-s... | 09/27/2011 |
| 8000968 | Method and apparatus for switching speech or audio signals A method and an apparatus for switching speech or audio signals, wherein the method for switching speech or audio signals includes when switching of a speech or audio, weighting a first high frequency band signal of a current frame of speech or audio signal and a se... | 08/16/2011 |
| 7979280 | Text to speech synthesis An input linguistic description is converted into a speech waveform by deriving at least one target unit sequence corresponding to the linguistic description, selecting from a waveform unit database for the target unit sequences a plurality of alternative unit seque... | 07/12/2011 |
| 7660718 | Pitch detection of speech signals Pitch detection of speech signals finds numerous applications in karaoke, voice recognition and scoring applications. While most of the existing techniques rely on time domain methods, the invention utilizes frequency domain methods. There is provided a method and s... | 02/09/2010 |
| 7571099 | Voice synthesis device A voice synthesis device for generating synthetic voice having great freedom in voice quality and good sound quality from text data is provided. The voice synthesis device is provided with: voice synthesis DBs (110a and 101z); a vo... | 08/04/2009 |
| 7562018 | Speech synthesis method and speech synthesizer A language processing portion (31) analyzes a text from a dialogue processing section (20) and transforms the text to information on pronunciation and accent. A prosody generation portion (32) generates an intonation pattern according to a contr... | 07/14/2009 |
| 7512536 | Efficient filter bank computation for audio coding Low-complexity synthesis filter bank for MPEG audio decoding uses a factoring of the 64×32 matrixing for the inverse-quantized subband coefficients. Factoring into non-standard 4-point discrete cosine and sine transforms, point-wise multiplications and combinations... | 03/31/2009 |
| 7454347 | Voice labeling error detecting system, voice labeling error detecting method and program A labeling part 3 analyzes the character string data to produce a phoneme label and a prosody label, partition the voice data stored in a voice database 1 into phonemic data, and label the phonemic data, employing the phoneme label and the like. A phon... | 11/18/2008 |
| 7444289 | Audio decoding method and apparatus for reconstructing high frequency components with less computation An audio decoding method and apparatus for reconstructing high frequency components with less computation are provided. The audio decoding apparatus includes a decoder, a channel similarity determination unit, a high frequency component generation unit, and an audio... | 10/28/2008 |
| 7424430 | Tone generator of wave table type with voice synthesis capability A sound source apparatus has a plurality of tone forming parts for outputting either of desired tones or formants according to designation of a wave table sound source mode or a voice synthesizing mode, such that the tone forming parts generate the tones in the wave... | 09/09/2008 |
| 7389231 | Voice synthesizing apparatus capable of adding vibrato effect to synthesized voice A voice synthesizing apparatus comprises: a storage device that stores a first database storing a first parameter obtained by analyzing a voice and a second database storing a second parameter obtained by analyzing a voice with vibrato; an input device that inputs i... | 06/17/2008 |
| 7379873 | Singing voice synthesizing apparatus, singing voice synthesizing method and program for synthesizing singing voice Voice synthesis unit data stored in a phoneme database 10 is selected by a voice synthesis unit selector 12 in accordance with MIDI information stored in a performance data storage unit 11. Characteristic parameters are derived from the selected... | 05/27/2008 |
| 7376563 | System for rehabilitation of a hearing disorder A system for rehabilitation of a hearing disorder which comprises at least one acoustic sensor for picking up an acoustic signal and converting it into an electrical audio signal, an electronic signal processing unit for audio signal processing and amplification, an... | 05/20/2008 |
| 7369994 | 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 costs for a giv... | 05/06/2008 |
| 7365260 | Apparatus and method for reproducing voice in synchronism with music piece Music piece sequence data are composed of a plurality of event data which include performance event data and user event data designed for linking a voice to progression of a music piece. A plurality of voice data files are stored in a memory separately from the musi... | 04/29/2008 |
| 7359854 | Bandwidth extension of acoustic signals A solution for improving the perceived sound quality of a decoded acoustic signal is accomplished by extending the spectrum of a received narrow-band acoustic signal (aNB). A wide-band acoustic signal (AWB) is produced by extracting at least on... | 04/15/2008 |
| 7349847 | Speech synthesis apparatus and speech synthesis method A speech synthesis apparatus appropriately transforms a voice characteristic of speech. The speech synthesis apparatus includes an element storing unit in which speech elements are stored, and a function storing unit in which transformation functions are stored, an ... | 03/25/2008 |
| 7338407 | Reduced engine load at stop apparatus and method Provided is an apparatus to enable a torque transmitting mechanism within an automatically shiftable power transmission to disengage at vehicle stop such that the slip within a fluid drive device is reduced. When vehicle movement is required a main pressure regulato... | 03/04/2008 |
| 7340392 | Multiple sound fragments processing and load balancing A method, system and article of manufacture of recognizing a voice command. One embodiment of the invention comprises: receiving a voice input; using the number of sound fragments, determining a number of sound fragments to be processed in a first set of sound fragm... | 03/04/2008 |
| 7328159 | Interactive speech recognition apparatus and method with conditioned voice prompts An improved system for an interactive voice recognition system (400) includes a voice prompt generator (401) for generating voice prompt in a first frequency band (501). A speech detector (406) detects presence of speech energy in a secon... | 02/05/2008 |
| 7313635 | Method and apparatus for simulating a load on an application server in a network A method is disclosed for simulating a load on an application server in a network. The method intercepts data packets of a request from a sender to a receiver. The data packets to be intercepted can be selected according to specified criteria, such as communications... | 12/25/2007 |
| 7313523 | Method and apparatus for assigning word prominence to new or previous information in speech synthesis A method and apparatus is provided for generating speech that sounds more natural. In one embodiment, word prominence and latent semantic analysis are used to generate more natural sounding speech. A method for generating speech that sounds more natural may comprise... | 12/25/2007 |
| 7292981 | Signal variation feature based confidence measure A method for predicting a misrecognition in a speech recognition system, is based on; the insight that variations in a speech input signal are different depending on the origin of the signal being a speech or a non-speech event. The method comprises steps for receiv... | 11/06/2007 |
| 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 an ending fundamental frequency value. The method further includes ad... | 10/23/2007 |
| 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 affording linear prediction coefficients and residual signals, generated fro... | 10/16/2007 |
| 7280964 | Method of recognizing spoken language with recognition of language color In accordance with a present invention speech recognition is disclosed. It uses a microphone to receive audible sounds input by a user into a first computing device having a program with a database consisting of (i) digital representations of known audible sounds an... | 10/09/2007 |
| 7280969 | Method and apparatus for producing natural sounding pitch contours in a speech synthesizer A speech synthesis system is disclosed that utilizes a pitch contour resulting in a more natural-sounding speech. The present invention modifies the predicted pitch, b(t), for synthesized speech using a low frequency energy booster. The low frequency energy booster ... | 10/09/2007 |
| 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 input, and generating a speech output including the prosodic characteri... | 10/09/2007 |
| 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 of the present invention, a frame of a voiced speech signal is process... | 09/25/2007 |
| 7266497 | Automatic segmentation in speech synthesis Systems and methods for automatically segmenting speech inventories. A set of Hidden Markov Models (HMMs) are initialized using bootstrap data. The HMMs are next re-estimated and aligned to produce phone labels. The phone boundaries of the phone labels are then corr... | 09/04/2007 |
| 7263488 | Method and apparatus for identifying prosodic word boundaries A method and computer-readable medium are provided that identify prosodic word boundaries for a text. If the text is unsegmented, it is first segmented into lexical words. The lexical words are then converted into prosodic words using an annotated lexicon to divide ... | 08/28/2007 |
| 7260533 | Text-to-speech conversion system The system according to the invention comprises a text-to-speech conversion processing unit, and a phrase dictionary as well as a waveform dictionary, connected independently from each other to the conversion processing unit. The conversion processing unit is for co... | 08/21/2007 |
| 7251601 | Speech synthesis method and speech synthesizer A speech synthesis method comprises selecting a predetermined formant parameters from formant parameters according to a pitch pattern, phoneme duration, and phoneme symbol string, generating a plurality of sine waves based on formant frequency and formant phase of t... | 07/31/2007 |
| 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 following steps: constructing sub-sequences of consistent pitch values ... | 07/31/2007 |
| 7249020 | 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 is produced at a voice-less sampling frequency based on the pronunci... | 07/24/2007 |
| 7249021 | Simultaneous plural-voice text-to-speech synthesizer A multiple-voice instructing unit (17) instructs pitch deforming ratio and mixing ratio to a multiple-voice synthesis unit (16). The multiple voice synthesis unit (16) generates a standard voice signal by means of waveform superimposition based ... | 07/24/2007 |
