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JPH09149491

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DESCRIPTION JPH09149491
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
structure in which sound is recorded from a microphone in four directions and to a structure in
which sound is reproduced from four speakers in order to reproduce sound three-dimensionally.
[0002]
2. Description of the Related Art Heretofore, there has been a stereo device which records with
two left and right microphones and reproduces with two speakers.
[0003]
Although the movement of the left and right sounds can be reproduced by the stereo device, the
back and forth movement and the up and down movement can not be reproduced.
The present invention makes this possible.
[0004]
[Means for Solving the Problems] A mounting tool (3) is provided on a conventional microphone
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stand, and four microphones (1) are mounted at the apex of a regular tetrahedron, and sound is
recorded from four directions. Record in 5). Next, four speakers (7) are placed at the apexes of
the tetrahedron, and the sound is reproduced from the four directions by the player (6). The
present invention is a stereophonic sound recording / reproducing structure including the abovedescribed processes.
[0005]
[Operation] Pick up the sound from the four microphones (1) attached to the microphone stand
(2) and record with the recorder (5). Next, reproduction is performed from the four speakers (7)
by the reproduction machine (6). Then, it is possible to three-dimensionally listen to the voice
having motion in the left and right, front and back and up and down.
[0006]
EXAMPLES Examples of the present invention will be described below. (A) Attach the four
microphones (1) to the microphone stand (2) at the top of the regular tetrahedron. (B) The
recorder (5) and the player (6) use Multitrack Recorder (MTR) which can record or reproduce
four voices simultaneously or use two stereo recording and reproducing machines. (C) The
speaker (7) should be placed at the top of the regular tetrahedron. The present invention has the
above structure. In this usage method, recording is performed from the four microphones (1) by
the recorder (5). Next, playback is performed by the playback device (6) from the four speakers
(7). At this time, the listener (8) listens at the center of the four speakers (7). Then, it is possible
to three-dimensionally listen to the voice having motion in the left and right, front and back and
up and down.
[0007]
According to the present invention, voices having motions in the left and right, front and back,
and up and down can be recorded and reproduced to provide a sense of realism. Furthermore, by
combining this with video, a virtual reality space can be created.
[0008]
Brief description of the drawings
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[0009]
1 is a perspective view of the microphone stand and the recording structure of the present
invention.
[0010]
2 is a perspective view of the reproduction structure of the present invention.
[0011]
Explanation of sign
[0012]
1 microphone 2 microphone stand 3 fixture 4 connection cord 5 recorder 6 playback device 7
speaker 8 listener
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