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Title:
COMMUNICATION APPARATUS MOUNTED WITH SPEECH SPEED CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/208689
Kind Code:
A1
Abstract:
In a communication apparatus, an encoder compresses telephone call voice which is transmitted from another communication apparatus. A voice accumulator preserves the telephone call voice, which is compressed by the encoder, as a message. A decoder expands the telephone call voice which is preserved in the voice accumulator. A signal memory temporarily maintains the telephone call voice which is expanded by the decoder. A speech speed convertor performs speech speed conversion on the telephone call voice, which is read from the signal memory, and outputs resulting voice from a speaker. A memory monitor temporarily stops to expand the telephone call voice in the decoder in a case where the memory monitor determines that an idle capacity of the signal memory approaches a predetermined lower limit value.

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Inventors:
TOKUDA Toshimichi
Application Number:
JP2017/016514
Publication Date:
December 07, 2017
Filing Date:
April 26, 2017
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
G10L21/043; G10L25/90; H04M1/64; G10L25/78
Domestic Patent References:
WO2009011021A12009-01-22
Foreign References:
US5717818A1998-02-10
US20060153163A12006-07-13
US20050243846A12005-11-03
JPS5346230B21978-12-12
Attorney, Agent or Firm:
KAMATA Kenji et al. (1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
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