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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view of a stereo microphone
device according to the present invention, and FIG. 2 is an explanatory view of arrival of sound
waves. 1S ······ Microphone, 8 ········ Object. Year-one figure-87-fact opening 49-70937 (2) year old
figure Z figure P ha · f'e ˜ "dFI3 = Pe, il4 / ('-c-theta) self mark P: C · · ·斤 効 A A, B の の 南 の 踊
PAzA PB PB: B 奏 ラ = 88-
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a stereo
microphone device, and more particularly, to a stereo microphone device for making it possible
to sense the best stereo feeling. For this reason, the present invention focuses on the ears of the
human body, and as shown in the drawing, the auricle 1 acting as a sound collector and the
external hearing 2 acting as a sound path become equal to the human body. It is made of soft
material 3 like a comb and two microphones are prepared inside and at the tympanic membrane
and placed at appropriate intervals, for example- It corresponds to the ears of an object made of,
for example, plaster in the shape of a head. It can also be part-mounted or mounted on both sides
of the tape recorder. なお5はマイクロホンコード、6はアンプ、7はステレオヘッドホーンコー
ド、□8はステレオヘッドホーンである。 However, since the best stereo feeling does not occur
if you insert it, the present invention will be considered further and the interval d2 between the
two ears is adjusted, and the principle will be described with reference to FIG. When the sound
wave is incident at an angle of θ, the phase difference between points A and B (l is −g cos θ).
There will be a difference. Thus, by increasing or decreasing the distance between the two ears
1.1, it is possible to find out the position that gives the most stereo feeling. Simple force
reduction of the drawing 4 stereo microphone device λ 'according to the present invention,
parent 5-17 4 144 / C j-2 ·, 1 -1; ear shell, 2; external hearing, 3X soft material, 4; microphone
18: Object. Attorney Attorney Attorney 1) Toshiyuki 【■) Fig. 1 33 ■ / 142t X 570 93y,> 4 to 4
叶 蓮 蓮 1) 皐 Z figure-r-A 〆 B FA FA = reJ 11 '7 l ) B = Petw (L-τ θ θ) r: r P P sound pressure *
A A, part of B center part PAA ★ sound liquid BB BB player 奏-, ': 4 good J! Human labor = Book
date 3: 11 records of i'l-9 appendix Gaga 1 N) 'litlli oligo 1 + 1 i (2) 14 blood 1 + 11 i] or fl :: l L r
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