Title:
DEVICE FOR ADDING REVERBERATION SOUND
Document Type and Number:
Japanese Patent JP2959361
Kind Code:
B2
Abstract:
PURPOSE: To form a reverberation sound more close to a natural sound.
CONSTITUTION: Two outputs of a cross fade waveform generation part 5 are supplied to a rise detection part 6, and two detection outputs of the rise detection part 6 are supplied to latch circuits 7, 8 latching random numbers supplied from a random number generator 9. The outputs of the latch circuits 7, 8 are supplied to one input terminals of adders 10, 11 respectively, and are added to read-out addresses of an address generation part 12 supplied to the other input terminals of the adders 10, 11 to be outputted as the read-out addresses RA1, RA2 of a delay line 1. Into the delay line 1, according to a write-in address MA from the address generation part 12, an input signal is written successively, and after the data read out from the delay line 1 by the addresses RA1, RA2 are multiplied by the outputs CF1, CF2 from the cross fade waveform generation part 5 through multipliers 2, 3, are added by the adder 4, and the signal applied with a prescribed delay is outputted.
Inventors:
KOZUKI KOICHI
Application Number:
JP28568193A
Publication Date:
October 06, 1999
Filing Date:
October 21, 1993
Export Citation:
Assignee:
YAMAHA KK
International Classes:
G10H1/00; H04R3/00; G10K15/12; H03H21/00; H04S1/00; (IPC1-7): G10K15/12
Domestic Patent References:
| JP5821299A | ||||
| JP2132497A | ||||
| JP5216489A |
Attorney, Agent or Firm:
Toshihiko Watanabe