Foreign language learning apparatus

Details Foreign language learning apparatus Foreign language learning apparatus

2006-04-27

2011-11-15

Thai, Xuan (Department: 3715)

Education and demonstration

Language

Speech

C434S156000, C434S157000

Reexamination Certificate

active

08057234

ABSTRACT:
The increasing globalization of the world necessitates further strengthening of foreign language learning policies. The brain's foreign language recognition activity is enhanced and effective foreign language learning is enabled by extracting signals of prescribed bands from a speech signal in a foreign language using a first bandpass filter section having two or more bandpass filters, extracting the envelopes of each frequency band signal using envelope extraction sections having envelope extractors, applying a noise source signal to a second bandpass filter section having two or more bandpass filters and extracting noise signals corresponding to the prescribed bands, multiplying the outputs of the first bandpass filter section and the second bandpass filter section in multiplication sections, summing up the outputs of the multiplication sections in an addition section to produce a Noise-Vocoded Speech Sound signal, and presenting the Noise-Vocoded Speech Sound signals for listening.

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Obata et al., “Speech perception based on temporal amplitude change with spectrally degraded synthetic sound,” Transactions Technical Committee Psychological Physiological Acoustics, H-99-6, pp. 1-8, Acoustical Society of Japan (Jan. 1999).
Obata et al., “Intelligibility of synthesized Japanese speech sound made of band noise—preliminary study for a speech recognition processor utilizing central audiotry function-,” Trans. Tech. Comm. Psychol. Physiol. Acoust., H-2000-3, pp. 1-8, Acoustical Society of Japan (Jan. 2000).
Office Action from Japan Patent Office for application No. 2005-197209 dated Mar. 17, 2011.

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