Method and apparatus for text-to-voice audio output with accent

Details Method and apparatus for text-to-voice audio output with accent Method and apparatus for text-to-voice audio output with accent

1995-06-12

1998-05-26

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Synthesis

704265, 704268, 704269, G10L 302

Patent

active

057583200

ABSTRACT:
A text-to-voice audio output unit includes a storage section for storing analyzed information pertaining to words, boundaries between articulations, and accents obtained by analyzing an input character list, a voice synthesis rule section for changing a reduction or damping characteristic of a phrase component of a fundamental frequency of an output voice, and a voice synthesizing section for generating a composite tone based on the analyzed information from the storage section. The reduction or damping characteristic, calculated for each phrase component, is overdamped, critically damped, or underdamped and is based on speech rate, syntactic information, number of articulations, and positional information. When a prosodic phrase is short, the reduction or damping characteristic causes a decrease in the fundamental frequency for a meaningfully-delimited portion, and when a prosodic phrase is long, the reduction or damping characteristic is controlled over the entire prosodic phrase.

REFERENCES:
patent: 3704345 (1972-11-01), Coker et al.
patent: 4695962 (1987-09-01), Goudie
patent: 4797930 (1989-01-01), Goudie
patent: 4907279 (1990-03-01), Higuchi et al.
patent: 5463713 (1995-10-01), Hasegawa
patent: 5475796 (1995-12-01), Iwata
patent: 5572625 (1996-11-01), Raman et al.

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