Title:
PORTABLE EQUIPMENT
Document Type and Number:
Japanese Patent JP3896763
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent reproduced musical sound from being degraded in quality even if a voltage level of a power supply means drops.
SOLUTION: When the voltage level of the power supply means drops, music data consisting of 4 parts are copied and made into music data consisting of 8 parts. When the music data of 8 parts are reproduced by an 8-part musical sound synthesis means 34 consisting of a 1st musical sound synthesis part 34a-an 8th musical sound synthesis part 34h, original 4-part musical sound are superposed in two-folds each, and this compensates decrease in the sound volume.
Inventors:
Takahiro Tanaka
Application Number:
JP2000108958A
Publication Date:
March 22, 2007
Filing Date:
April 11, 2000
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
G10H1/00; G10H1/08; G10H1/46; H04M1/00; H04M1/73; (IPC1-7): G10H1/00; G10H1/46; H04M1/00
Domestic Patent References:
| JP6167969A | ||||
| JP2001100503A | ||||
| JP2002084342A |
Attorney, Agent or Firm:
Yasuo Asami
Hideo Takahashi
Yoshitaka Takeyama
Hideo Takahashi
Yoshitaka Takeyama
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