Title:
HARMONIC PRODUCING DEVICE, DIGITAL SIGNAL PROCESSING DEVICE, AND HARMONIC PRODUCING METHOD
Document Type and Number:
WIPO Patent Application WO/2007/116755
Kind Code:
A1
Abstract:
[PROBLEMS] To provide a harmonic producing device for infallibly producing harmonics
even if the signal is a music signal of small signal level and a digital signal processing
device. [MEANS FOR SOLVING PROBLEMS] A DSP is used. A music signal is subjected
to a digital signal processing. If a signal level higher than a maximum value of
the signal level capable of being subjected to the digital signal processing
occurs, the signal level is restricted to the maximum value. A first level correcting
section (11) performs level correction by multiplying the signal level of the
music signal by a correction factor so that the signal level of the music signal
exceeds the maximum value. A second level correcting section (13) performs level
correction by multiplying the signal level of the corrected music signal by (1/the
correction factor).
Inventors:
SUGAWARA KEITARO (JP)
Application Number:
PCT/JP2007/056442
Publication Date:
October 18, 2007
Filing Date:
March 27, 2007
Export Citation:
Assignee:
PIONEER CORP (JP)
SUGAWARA KEITARO (JP)
SUGAWARA KEITARO (JP)
International Classes:
G10H1/06
Foreign References:
| JPH11509712A | 1999-08-24 | |||
| JPS543724B2 | 1979-02-26 | |||
| JPH056177A | 1993-01-14 | |||
| JPS62146313U | 1987-09-16 | |||
| JPH04355795A | 1992-12-09 | |||
| JPH056177A | 1993-01-14 |
Attorney, Agent or Firm:
TAKINO, Hideo et al. (Hiroo SK bldg.36-13, Ebisu 2-chom, Shibuya-ku Tokyo 13, JP)
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