PatentDOI
Speech synthesis integrated circuit device
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TLDR
In this paper, an integrated circuit device or chip which digitally synthesizes human speech using a linear predictive filter is described. But, this device may be implemented using conventional processing techniques, such as P-channel MOS technology.Abstract:
Disclosed is an integrated circuit device or chip which digitally synthesizes human speech using a linear predictive filter. This device may be implemented using conventional processing techniques. For instance, when implemented in conventional P-channel MOS technology, the disclosed device or chip has an active area of approximately 45,000 square mils.read more
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Patent
Linear predictive residual representation via non-iterative spectral reconstruction
TL;DR: In this paper, the LPC residual of the speech signal is coded using minimum phase spectral reconstruction techniques by transforming the residual signal in a manner approximately a minimum phase signal, and then applying spectral reconstruction technique for representing the linear predictive (LPC) residual signal by either its Fourier Transform magnitude or phase.
PatentDOI
Text-to-speech synthesis system
TL;DR: In this paper, a text-to-speech synthesis system receives digital code representative of characters from a local or remote source, and converts those character codes into speech, and a set of allophone rules is contained in a memory and each incoming character set is matched with the proper character set to describe the sound of that particular character set.
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TL;DR: In this paper, a digital voice storage system adapted for use in a multiple unit land mobile radio communications system is presented, which utilizes a PSK signalling system with fixed length data packets to control a system capable of multiple message storage of speech at mobile stations.
References
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Patent
Speech processor system for pitch period extraction using prediction filters
TL;DR: In this article, the pitch period is determined by locating the sharp pitch peaks in the short term power of the prediction residual, i.e., the time separation of two adjacent pitch peaks.
PatentDOI
Speech coding hearing aid system utilizing formant frequency transformation
TL;DR: In this paper, the transposed formant frequencies are determined at successive intervals in the speech signal using a fixed value, greater than 1, and added to this fixed value is another fixed value to obtain what are called transposed fundamental frequencies.
Patent
Electronic calculator system having audio messages for operator interaction
TL;DR: In this article, a calculator system is provided using a stored program data processor and an audio message subsystem to process digital information and to provide audio messages for operator interaction, which is stored in a digital memory and accessed in response to operator generated signals.
Patent
Speech analysis and synthesis system
TL;DR: In this article, a plurality of specialized digital signal processing techniques are employed to analyze in real time four speech channels in parallel and multiplex speech frame parameters of the channels into a single data output channel for transmission through a suitable media.
Patent
Solid state digital automatic voice response system
Barton William A,Stork John E +1 more
TL;DR: In this article, a voice response system is proposed for automobiles where a condition such as an unfastened seat belt will automatically generate a digital code group which when applied to the storage unit results in an audible formation of a message such as "fasten seat belt".