Title:
OUTDOOR ENVIRONMENTAL SOUND TRANSMITTING DEVICE, AND OUTDOOR ENVIRONMENTAL SOUND TRANSMITTING SYSTEM
Document Type and Number:
Japanese Patent JP2014170135
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an outdoor environmental sound transmitting device for transmitting a sound message that is easy to hear for local residents outdoors in an echo environment.SOLUTION: An outdoor environmental sound transmitting device 100 for transmitting a sound message for disaster prevention to one or more branch stations laid in an area comprises: message division means 33 for dividing the sound message into meaningful symbol strings or obtaining the sound message divided into the meaningful symbol strings; speech period calculating means 34 for calculating a speech period for each of the symbol strings; section position determining means for determining the end of one or more of the symbol strings, in which the total of the speech periods is a delay period or less, as a section position of the sound message transmitted to each of the branch stations; soundless character inserting means 35, 36 for inserting soundless characters for the delay period or more at the section position of the sound message; and message transmission means 21 for transmitting the sound message, into which the soundless characters have been inserted, to the branch stations.
Inventors:
SUZUKI YOICHI
SAKAMOTO SHUICHI
MORIMOTO MASAYUKI
CUI ZHENGLIE
SATO HAYATO
SAKAMOTO SHUICHI
MORIMOTO MASAYUKI
CUI ZHENGLIE
SATO HAYATO
Application Number:
JP2013042329A
Publication Date:
September 18, 2014
Filing Date:
March 04, 2013
Export Citation:
Assignee:
UNIV TOHOKU
International Classes:
G10L13/033; G08B7/00; G08B21/10; G08B27/00; G10L13/00; H04H20/59; H04H60/06
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito