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JPS547601

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DESCRIPTION JPS547601
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of the artificial head
collecting device according to an embodiment of the present invention in use, FIG. 2 is a
perspective view of the same device not in use, and FIG. Fig. 4 is a top view of a pseudo head
according to another embodiment of the present invention, Fig. 5 is a schematic view showing a
reproduction state of Hendhon using the pseudo head collecting device of the present invention,
Fig. 6 FIG. 7 is a schematic view showing a speaker reproduction state using a pseudo head
collecting device according to the present invention, and FIG. 7 is a block diagram of a network in
FIG. 1 · · · · · · · · · · · recording device, 2 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · pseudo head, 5, 5 '· · · · · ·
· 6, 6 '· · · · · · · Microphone, I, 7 ′ · · · · · · · · · · · · · · · 8 8 · · · · · · · Amplifier 9, 9' · · · · · · · · ·
electroacoustic transducer 10... Listeners 11 .. Circuits 12.12 '...
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a pseudo sound
collecting device having a pseudo head. Conventionally, pseudo head pickup equipment is known
as an apparatus for faithfully picking up a sense of reality, a sense of direction, and a sense of
distance. This pseudo head pickup device has a pseudo head similar to that of a human head, and
microphones are housed in the left and right ears of this pseudo head, and sound was collected
using this pseudo sound pickup device. In this case, it is possible to collect sounds similar to
those actually heard by human beings, and it is possible to faithfully reproduce the sense of
reality, the sense of direction, and the sense of distance during reproduction. 9 However, the
above-mentioned conventional pseudo sound collection device is. The size is the same as the size
of the head of a 7b 12 human, so it is inconvenient to carry, and when recording a signal
collected by a pseudo type sound pickup device, the pseudo type sound pickup device and the
sound recording device There was a drawback such as having to connect with a cord. The
present invention eliminates the above-mentioned disadvantages of the prior art. One
embodiment of the present invention will be described with reference to FIGS. In FIG. 1, reference
numeral 1 denotes a recording device, and a semicircular recess 2 is formed on the upper surface
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of the recording device 1. A column 3 is a column supported so as to be vertically slidable in the
semicircular recess 2, and a semi-cylindrical dummy 4 is fixed to the column 3. 5.5 'is a hole
formed in the lllj plane of the above-mentioned pseudo-class 4 and microphones 6.6' are
accommodated in the holes 5, 5 'respectively. The pseudo class 4 may be rotatable with respect
to the support 3, or the pseudo class 4 and the support 3 may be integrally formed so as to be
rotatable with respect to the recording device 1. According to the present invention, the semicylindrical pseudo three head 4 is supported in the recess 2 of the recording device 1 so as to be
able to appear and retract according to the present invention as shown in FIG. As shown in FIG.
2, after the pseudo class 4 is drawn out and used, as shown in FIG. 2, the pseudo class 4 is
housed in the four parts 2 of the recording device 1, and it is convenient for carrying. The
pseudo class 4 and the recording device 1 do not have to be connected again by a court or the
like. FIG. 4 shows another class 4 'of another embodiment of the present invention, which differs
from the previous embodiment in that the projections 7, 7 are formed at the rear of the holes 5,
5' formed in the class 41. It forms' and acts as a puppet's pinnacle. FIG. 6 shows a state in which
headphones are reproduced using the pseudo-type recording device of the present invention. The
sound from the sound sources A and B is picked up by the microphone 6 and 6 'of the pseudo
class 4, the collected signal is recorded by the recording device 1, and the reproduced signal is
amplified by the amplifiers 8 and 8'. It applies to the electric sound-converter 9.9 'on either side
and reproduces ¦ regenerates.
As described above, when i is picked up using the pseudo class 4 and reproduced by the
headphones, the listener 10 and the voice 4 recognize the sound image as A ′ and B ′. FIG.
6 shows a state in which the speaker reproduction is carried out using the pseudo type sound
collecting device of the present invention, and the signal collected by the pseudo type 4 is
amplified by the amplifier 12 ° 12 'after passing through the network 11. , And are applied to
the speakers 13 and 13 '. When the listener 1o listens to the sound radiated from the speaker
13.13 ', the sound image is recognized as = A' and B '. FIG. 7 shows the configuration of the
circuit network 11 of the circuit of FIG. なおH+。 H2 shows the impulse response No. IJ
conversion from the speaker 13.13 'to the entrance of the listener 1 o's ear, respectively. The
present invention is applicable not only to a recording device but also to an audio device such as
a radio receiver. As described above, according to the present invention, the pseudo-classification
and the acoustic device are integrally configured, and the quasi-classification is formed in a semicylindrical shape, so that it is convenient for portability and small-sized carrying. There is an
advantage that it has the advantage of being able to store the low head in the recess of the. 6
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