Synthesized speech intelligibility enhancement through environment awareness
First Claim
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1. A method for synthesizing speech in an environment, the method comprising:
- receiving text to be converted into an audible speech signal;
sensing the audio content of the environment;
determining at least one noise parameter based on the sensed audio content; and
converting the text into a speech signal based on the at least one noise parameter.
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Abstract
Synthesized speech is enhanced by listening to the acoustic background into which the synthesized speech is delivered and adjusting parameters of the synthesized speech accordingly. In one embodiment, text is synthesized into speech based on at least one noise parameter determined from the environment into which the synthesized speech is delivered. In another embodiment, parameters for a filter modifying the synthesized signal are determined based environmental noise.
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Citations
23 Claims
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1. A method for synthesizing speech in an environment, the method comprising:
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receiving text to be converted into an audible speech signal;
sensing the audio content of the environment;
determining at least one noise parameter based on the sensed audio content; and
converting the text into a speech signal based on the at least one noise parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An automotive sound system comprising:
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at least one sound generator operative to play sound into a body compartment;
a memory operative to hold at least one text file;
a speech synthesizer in communication with the memory and each speaker, the speech synthesizer converting text from each text file into a speech signal and providing the speech signal to each sound generator;
at least one acoustic transducer for sensing sound in the body compartment; and
control logic in communication with each acoustic transducer and the memory, the control logic determining at least one noise parameter from sound sensed in the body compartment and generating at least one command based on the determined at least one noise parameter, each command modifying the conversion of text into speech by the speech synthesizer. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for synthesizing speech to be acoustically delivered into an environment, the comprising:
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analyzing the acoustic noise in the environment;
generating parameters for a filter to improve intelligibility of synthesized speech based on the environmental noise;
converting a text stream into a speech signal; and
passing the speech signal through the filter.
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Specification