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(R, 000 yen). ???? Jikai auricle microphone system 2, inventor 'M large QiWf 1%' dark ',' lil
'ff Ц Ding 2') 20 Kurihana Fujiia ░ Tsutaka name Fujii Atsutaka 3 patent applicant address Nishiku Osaka Osaka Kyomachibori 1 No. 121 Kyo: Beer, name of the domestic company (5,680)
Attorney Hayashi Kiyoshiaki [Fa] Japan Patent Office 0, Japanese Patent Application, Publication
No. (1976) 3.12 Japanese Patent Application No. 49-/// 1,2. ! ; Internal reference number 7 sided
statement 1, description of invention
Ear microphone system
3. Detailed Description of the Invention The present invention relates to an auricle microphone
arranged to perform acoustic acquisition with accurate localization information by arranging all
the microphones in the axilla of the acquirer without using pseudo-inconvenient for carrying. is
there. In order to give sense of direction and distance in the same way as in the original sound
field three-dimensional space, K has the same shape as the real head and the same kind of
pseudo head to reproduce the localization information (the sound 11 diffraction of the head and
pinnae). Transfer function) k is also ideal to be recorded. However, it is difficult and expensive to
manufacture a pseudo-head in consideration of multiple head shapes and sound characteristics
of the skin surface. In the present invention, it is intended to insert and acquire a VC microphone
in the pinna of a gatherer without using the whole of the pseudo chain in view of the noodles.
FIG. 1 shows a state in which the acoustic acquirer is attached to the present invention pinnacle
microphone system r in the pinnacle when collecting sound outdoors, on the street, indoors, etc.
As shown in detail in FIG. 3, it comprises a size capable of forming a bag layer in the ear canal E,
and a vibration-proof pusher 1 and a microphone 2 which are shaped as ka. This antivibration
push-in body 1 can be attached and identified in the external ear canal so as not to give a sense
of discomfort when it is mounted within the auricle of the gatherer's pinnae, particularly in the
external ear canal, from soft materials such as rubber, rattling resin and other soft materials.
Form in two. In addition, a part or all of the microphone 2 is embedded on the outer end face
side of the anti-vibration insert 1 so that EndPage: 1 is integrally provided. In this case, all noises
of the gatherer and the like are not transmitted. It is something which is kept with the shaking
charge body. Then, the father inserts the antivibration insert 1t into the external ear canal and
penetrates from the outer end face of the antivibration insert to the inner end face to complete
the small hole 3 or the inner end face of the antivibration insert or microphone Monitor phone
set up behind. And 4 [-listening before recording]. Father Leads to the microphone 2 with lead #
14t-outside the pinnacle, and acquires it on the recorder 5 via an external amplifier ', attenuator,
etc., and this attenuator is used when the acquirer speaks by himself. A sound collecting tone t is
to attenuate in advance a fixed amount. When a microphone is mounted in the pinnae as shown
in FIG. 2, the sound carrier signal incident from the outside reaches the entrance of the ear canal
through the diffraction of the head and the like and the diffraction of the pinna. The shape of the
pinna and the four convex portions in the inside greatly contribute to the sound field localization,
particularly in the middle mS, due to the diffraction effect of this sound and body signal. The
sound No. 16 obtained in this way is in the microphone-phone!
The transducer converts it into an electrical signal and leads it to a lead, at which time the
collector P can simultaneously also penetrate the sound Im signal into the anti-vibration insert
and listen through the ml hole or monitor phone. The above-mentioned signal level converted by
the diaphragm of the microphone and the two-to-one converter is transferred to the recorder, but
this front field 111iif! A can also contribute to the outside of the auricle, and the lead W @ of the
electrical signal extraction piece is taken out of the main ear canal of the auricle microphonewhen this lead I! Desired reinforcement to be able to pull on? It is something to do. According to
the present invention, by utilizing the microphone tm and the auricle in the external ear canal of
the acquirer, localization information can be generated in the three-dimensional space above the
head. Along with the chest, torso F! The localization information of the lower three-dimensional
space including the whole body of the Osamu Osamu diffraction by the whole body such as vS is
also scolded, and it is an advantage such as a sense of distance and sense of direction on one
acquisition. Have.
4. Brief Description of the Drawings FIG. 1 shows the state at the time of acquisition FIG. 1 FIG. 2
is a sectional view mounted in the ear canal, and FIG. 3 is a tEn view. ???? Antivibration
insert 208. Mike Rohon 3 ... Small hole 400. Lead 5 иии Recording example E61. Ear canal X и и и
tympanic EndPage: ?
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