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Title:
PORTABLE RECORDING MIXER APPARATUS
Document Type and Number:
Japanese Patent JP3700680
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To prevent howling, to enable prevention of deterioration in sound quality, and to operate a built-in microphone also before recording for adjusting the level of a sound signal.
SOLUTION: In a portable recording mixer apparatus 20 comprising microphones 59 and 60 for converting sound to audio signals by electrical signals, and speakers 57 and 58 for converting the audio signal to sound, a microphone switch button 66 is provided, thus operating a switch for switching the on/off of the microphones 59, 60 is operated in accordance with the operation of the button. At this time, the speakers 57, 58 are turned off, if the microphones 59, 60 are on by the switch, while the speakers 57, 58 are turned on if the microphones 59, 60 are off.


Inventors:
Seiji Hiraide
Application Number:
JP2002166513A
Publication Date:
September 28, 2005
Filing Date:
June 07, 2002
Export Citation:
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Assignee:
Yamaha Corporation
International Classes:
H04R3/00; H04S1/00; (IPC1-7): H04R3/00; H04S1/00
Domestic Patent References:
JP2000078685A
JP11341590A
JP2001215980A
Attorney, Agent or Firm:
Kei Osawa