Match Document Document Title
5054086 Binary system for generating sound  
In a binary system for generating sound, digital signals representing an audio analog signal are stored in memory, a first voltage level is produced for a time t1 proportional to the value of a...
5038377 ROM circuit for reducing sound data  
A voice synthesis system includes the use of a group of representative sound data for synthesizing voice data. A ROM circuit in the system includes a multilevel address system that stores starting...
5029213 Speech production by unconverted digital signals  
Improved speech sounds are produced from an all-software speech generating program on a computer which does not have a digital-to-analog converter by polling a first timer connected to the...
5029214 Electronic speech control apparatus and methods  
Electronic speech control apparatus that includes a circuit for establishing and changing over time a subject code and an utterance index. The subject code generally indicates one of a plurality...
5027409 Apparatus for electronically outputting a voice and method for outputting a voice  
An apparatus for audibly outputting a series of numbers represented by words and divided into blocks includes a voice data memory group for storing voice data. The voice data memory group includes...
5005204 Digital sound synthesizer and method  
This invention utilizes a time-varying recursive filter where the multipliers following successive delay elements of the filter have sets of normalized covariance matrix coefficients which are...
5001758 Voice coding process and device for implementing said process  
The voice signal is analyzed to derive therefrom a low frequency base band signal, linear prediction coefficients and high frequency (HF) descriptors. Said HF descriptors include HF energy...
4985697 Electronic book educational publishing method using buried reference materials and alternate learning levels  
A method for compiling and presenting educational material on an electronic book is disclosed. A set of information requiring a first level of comprehension is created at a terminal or provided...
4959866 Speech synthesizer using shift register sequence generator  
In order to simplify a speech synthesizer arrangement concurrently with improvement of operation flexibility thereof, a digital memory is arranged to store at least one voiced sound source and at...
4924519 Fast access digital audio message system and method  
Message storage capacity is provided on memory modules, the number of modules being expandable to increase the capacity of the system. Each module has digital memory which is organized with a...
4916742 Method of recording and reading audio information signals in digital form, and apparatus for performing same  
The method of recording and reading audio information signals in digital form includes detecting, during time compression of digital signals, a chain of code values of the digital signal...
4905289 Apparatus for the digital storage of audio signals employing read only memories  
A semiconductor read only memory (ROM) serves to store digitized audio signals in a redundancy free form. The output of the memory is coupled to the input of a data expander in the playback...
4903302 Arrangement for controlling the amplitude of an electric signal for a digital electronic apparatus and corresponding method of control  
In a digital system for amplitude modulation, the logical signal at acoustic frequency is modulated by means of an ultrasonic frequency signal, the duty-cycle of which can be varied by means of a...
4862363 Voice actuated two speed axle  
A vehicle two speed axle system can be voice-actuated by the vehicle operator. The two speed axle system includes a hydraulically actuated two speed axle unit having a solenoid-actuated control...
4862504 Speech synthesis system of rule-synthesis type  
In order to generate a series of speech parameters from a series of phonemic symbols extracted from a series of input characters, parameters for given syllables or phonemes are read from...
4825385 Speech processor method and apparatus  
A speech synthesizer circuit for use in an automobile. The circuit includes a dedicated microprocessor and a speech synthesizer integrated circuit which has an output couplable to the speakers of...
4821326 Non-audible speech generation method and apparatus  
A non-audible speech generation apparatus and method for producing non-audible speech signals which includes an ultrasonic transducer or vibrator for projecting a series of glottal shaped...
4809577 Apparatus for generating tones by use of a waveform memory  
A tone generating apparatus comprises at least an address generator, a waveform memory and a sound system. The waveform memory provides a plurality of storing areas each of which stores word data...
4811397 Apparatus for recording and reproducing human speech  
An analysis and synthesis device for analyzing human speech. Each phrase is memorized and analyzed, for later synthesis based on the analyzed data. The memory has a data area for analyzing each...
4805220 Conversionless digital speech production  
Clear speech can be produced on a DAC-less personal computer from an all-software speech-generating program with an unlimited vocabulary by applying to the computer's speaker a square-wave carrier...
4791741 Card with built-in record/playback capability  
Card or postal media which comprises a storage member to retain audio information picked up by a microphone, a sound generating member including a speaker, a mode selection signal producing member...
4785408 Method and apparatus for generating computer-controlled interactive voice services  
A user-application program for computerized telephone ordering is generated y a system designer who selects and interconnects pre-defined program modules and subroutines using a graphics terminal....
4772873 Digital electronic recorder/player  
The invention is a digital record/playback apparatus including an input digital filter, and A/D converter, a solid state memory, a D/A converter and an output digital filter. The entire system is...
4771390 Motor vehicle speech processor method and apparatus  
A speech synthesizer circuit for use in an automobile. The circuit includes a dedicated microprocessor and a speech synthesizer integrated circuit which has an output couplable to the speakers of...
4769846 Speech therapy variable code learning translator  
The Speech Therapy Translator converts minimal manipulations to aural conversation using basic words and statements necessary for rehabilitating patients who are speech handicapped. The system is...
4766529 Operator guidance by computer voice synthesizer  
A computer controlled by a voice input has a speech recognition section for converting a keyword of a program which is entered by the voice input and corresponds to a start number, thereby...
4757737 Whistle synthesizer  
A whistle synthesizer comprises a microphone, a housing, system electronics within the housing, and controls outside the housing. The player whistles into the microphone, the signals from which...
4757542 Speech synthesizer method and apparatus  
A speech synthesizer control circuit for use in a vehicle. The circuit includes a number of features which provide cost effectiveness while maintaining speech synthesizer reliability. One feature...
4723291 Voice generating device  
A voice generating device has n input signal lines (wherein n denotes an integer of 2 or more), each of which receives an input signal, an n output signal lines, each of which generates an output...
4717261 Recording/reproducing apparatus including synthesized voice converter  
In a recording/reproducing apparatus, voice message information is encoded into voice message data by an encoder, and keyed in data information is converted into synthesizing speech data by a...
4698776 Recording/reproducing apparatus  
There is provided an apparatus which automatically records and reproduces. The digital signal based on the acoustic signal is stored in memory means due to the operation of write control means in...
4691359 Speech synthesizer with repeated symmetric segment  
A speech synthesizer for reproducing natural speech with small memory. Synthesized speech consists of symmetric speech segments. Only half of a symmetric speech segment is stored in a memory...
4669121 Speech synthesizing apparatus  
A speech synthesizing apparatus has a first memory storing a plurality of phrase data each including speech data, an address designating circuit for designating an address of the first memory, a...
4658369 Sound synthesizing apparatus  
Smooth transition between concatenated sound elements is achieved by use of an address control unit which is initialized to a point in time corresponding to the maximum similarity between adjacent...
4644476 Dialing tone generation  
The manner of configuring a voice synthesizer to cause it to emit standard dialing signals.
4639877 Phrase-programmable digital speech system  
A digital speech processor operates in parallel with a programmable digital computer to generate sequences of variable-length speech phrases and pauses at the request of the computer. A speech...
4635211 Speech synthesizer integrated circuit  
Disclosed is a speech synthesizer integrated circuit as a preferred embodiment of the present invention, which is characterized in that;Using one chip LSI, it implements the fundamental controls...
4631747 Digital sound synthesizer  
A digital sound synthesizer produces a variable spectral line width to synthesize tones by accumulating phase quanta sequentially for each of a set of tone samples. The rate of accumulation of...
4627093 One-chip LSI speech synthesizer  
There is disclosed a one-chip speech synthesizer capable of providing synthesized human voices through a new and effective concept of LSI architecture. The synthesizer may execute all of the steps...
4611342 Digital voice compression having a digitally controlled AGC circuit and means for including the true gain in the compressed data  
An apparatus for use in transmitting compressed digital voice data includes an analyzer for compressing digitized voice data according to an algorithm which produces a root mean square of the...
4597318 Wave generating method and apparatus using same  
A wave generating method and a wave generating apparatus using the method are arranged such that plurality of wave samples, each being generated successively, are respectively weighted by, for...
4596032 Electronic equipment with time-based correction means that maintains the frequency of the corrected signal substantially unchanged  
Speech and melody information are separately inputted and stored. The speech timing is modified (corrected) to alignment with the melody.
4584922 Electronic musical instrument  
In an electronic musical instrument, a tone generation designating circuitry provides, upon depression of each playing key, a set of parameter signals designating properties such as pitch and...
4586191 Sound signal processing apparatus  
In a frequency conversion apparatus, the input signal is sampled and stored at one clock frequency, then read out at another clock rate and passed through a filter whose attenuation...
4581757 Speech synthesizer for use with computer and computer system with speech capability formed thereby  
Speech synthesizer and a computer system having the speech synthesizer operably coupled thereto to provide speech capability for the computer system. The speech synthesizer is capable of...
4577343 Sound synthesizer  
Speech is synthesized by repeated readout of prestored basic speech waveforms. For varying the speech tone frequency, readout is done at a fixed rate but skipping samples sequentially stored.
4573188 Digital to analog converter  
Techniques are disclosed for converting a multibit digital data word into a corresponding analog signal. The converter of the present invention utilizes information in a received signal plus noise...
4569026 TV Movies that talk back  
A video entertainment system by which human viewers conduct simulated voice conversations with screen actors or cartoon characters in a branching story game shown on a television screen. The...
4564954 Noise reduction circuit of synthetic speech generating apparatus  
A speech synthesizer may generate random sounds during die-down after power turn-off. To prevent such sound generation, the synthesizer clock circuit is grounded by an FET simultaneously with...
4532495 Speech digitization system  
A speech digitization system including novel encoder and decoder circuits that minimizes the number of resolution bits required to produce a given level of speech quality by optimizing the...