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JPS4847303

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DESCRIPTION JPS4847303
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 to FIG. 3 are systematic diagrams showing prior
art examples, FIG. 4 is a perspective view showing one example of a speaker apparatus used in
this invention, and FIG. FIG. 6 is a schematic diagram for explaining the operation, and FIG. 7 is a
perspective view showing a modification of the speaker device used in the present invention. 11,
12, иииииииииииииииииииииииииии Speakers 10,
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Stereo right signal,
reverse-phase signal for one R ииииии stereo right signal. 1 1 R 1 -7-48-47303 (2) Figure 2 Figure 5
Figure 4-8 48-47303 (3) Figure 7-9-
[Detailed description of the invention] This invention is suitable for the speaker system suitable
for reproduction of 4 channel stereo, especially the speaker box of 111 speaker box K11ll
number, the stereo left and right signal to 15 O speakers respectively! In addition to the fact that
the phases are opposite to each other, by spatially synthesizing the sound rays by these
respective signals, a 4-channel stereo O rear sound liquid is obtained to obtain a good sound
quality. ? ? (1) 48-47303 ? 02 ? ? ? ? ?; Conventionally, there is a t pseudo 4 channel
system as shown in Fig. 11 as a 04 channel stereo system, but this one is a tatami over 02
channel stereo Signal, take out R from the output terminal 'II @ FR for 1170th and -K, create
stereo signal L, RO difference value numbers L-R and R-1 via matrix 5 circuits,), These signals are
taken out from the rear output terminal ? and the enemy, and as shown by @ 2Iil, these front
and rear front and rear skiy Tfl forces provided at the respective corners of the listening room
WO as indicated by @ 2Iil. . II, and rear left and right speakers 8. . 8. By supplying it to K, from
the above K, in the listening room vagina, it is possible to dispense the front solution by the
excellent mourning pseudonymous 4-channel stereo in a sense of presence similar to a true 4channel stereo. . There is also the Matrindis 4 channel stereo system shown in FIG. 3 in ?L?
and ?L?, which are encoders EK for each signal of the stereo front left and right signals PL, FR
and the left and right signal holes of the stereo. More binary stereo left and right signals and 20
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(2) signals = b1 and A $ 11-, al (13-b and sub-carrier 8 c signals are converted to these signals)
In stereo record, input to decoder D via signal transmission system r such as FM stereo section
transmission network and so on from the O output terminal ?11 rd, and -9T4 stereo right and
left O signal L50 ?, 1L and stereo Rear left and right signals L-JR and wings -.beta. L are taken
out, and these .zeta. A left and right O speaker B ,, 8. I'll supply K) Squirrel 10 in the room w
OIltM is able to dispense a pre-solution that is a real sense of presence Km by a true 4-channel
stereo. However, since these are all 4 that electrically combine the left and right stereo signals
and the sum and difference signals of these signals15, matrix circuits, encoders, decoders, etc.
are expensive and IIIII noodles If you do not use things, you will not be able to do it easily;
In this device, stereo rear speaker addition (j) 4B-47303-04 gossips a plurality of O speakers into
a small box, 10 stereo speakers with stereo left and right O signals reverse to each other In
addition to be in phase, spatially combining the front fluid with each of these signals k>, there are
also 5 in O so as to obtain the rear front fluid of the 4-channel stereo. Next, this will be described
for the embodiment shown in the fourth g and the following. In 11411, U is a speaker box, and
the #i tenth X beater 8P and IIlff 20 speaker 1P are provided inside the omw plate u'o, but these
first and 11120 speakers O electric sound characteristics are the same or We use nine close
offerings. Therefore, as shown in Fig. 5, one of them is located at the back left and right of the
listening room, as shown in Fig.5. For the sake of convenience, they are BP, 8P and ?. ) Each of
these box HA, lll] ? 10 speakers sp, sp, ?, each one, the way of the listening room ?? placed
on the left and right side 9) 2) (4) 4B-47303-05 = = ;; Mi # House "" "" "OXW-hasellm K" ░ [and
each other parallel (? good is in series) K connected, the O terminal "le", the two channel stereo
left and right signals, respectively Supply wings. The stereo right and left O signal O reverse
phase signal, ie, -R signal and -L, are supplied to each jIK to terminals I and T, respectively,
connected to OIE q 20 speakers BP ? BaK in u1. When used in this manner, the sound effect 11)
is the first speaker 8P as shown by the fourth WJ. And the second speaker IIP, and 4> j between
the distance t between these speakers and the distance 4 at @ dispersed point pl from each of
these speakers! #A <? (? is the liquid length of the pre-dispersion solution) Oa-If the
distribution point P, the right signal L (or blind 1)-No R) and the opposite phase signal -R of the
right signal Is not separately generated from the left phase signal-L) and is spatially synthesized,
and the front fluid according to the nine stereo left and right difference signal L-wing 'B' is R-L) K
? ? ? ? I I I I ? ? ? ? ? ? ? ? ? ? ? ? ((((((((((((((? ? ? ? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ? ? ((((((((((((((((((((( Sound 1 can be waxed. Furthermore, the speaker
box for use in the present invention is not limited to the one shown in FIG. 44. For example, as
shown in FIG. 7 Ia, the speaker box is disposed in one speaker box n. 1 ,! , L and 40 out t, 41?
The stereo left signal L (t & is the right signal R) and the reverse phase signal -R of the stereo
right signal (or the reverse phase signal -L of the left signal) can be supplied to and 2 and 10
respectively, in this case As compared with the case where two speakers are housed in one box
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shown in FIG. 4, the sense of separation is further reduced, and it is possible to spare the natural
feeling of 4-channel stereo reproduction. l) In each of the above embodiments, the absolute value
of the spatial synthetic wave, IL-R1 and IR-Llq, can be more Ii? In the prior art, one speaker 2 (1
(4) 48-47303-07; flocking; ? ? 1 ? ? ? ? ? ░ ? ? ? ? ? ? It is not necessary to keep
the common sense that t> xv?, and 1 volume is required twice for the volume of the speaker box
?, and it is not necessary to keep the common sense that large effective IF excessive 0 speaker
box OtO to t О Ill effective volume It is enough. In the above embodiment, the speaker 8aK right
signal O reverse phase signal ?R (left signal reverse phase signal ?L) is supplied to provide 1!
Although IK supplied the negative phase signal -R (-L), the connection of the whiss coil of the
speaker 8P was 111 opposite to that of the speaker BP to supply the right signal R (left signal L)
thereof. It may be K to do. As described above, according to the present invention, one speaker
box is provided with a number of speakers having a characteristic of 8-1 or 1 in proximity to
each other. By adding the stereo left and right signals in opposite phases to the bee force, and
combining the sound waves from the speakers by these signals into a space, it is possible to
obtain a rear sound wave of 41 channel stereo, Compared with the conventional one, the
complex matrix 1 and the expensive portal network such as electrical matrix 2 ░ (7) 4B-4730308 # are as follows. It is unnecessary, and amplification 11F! As long as two channels are
sufficient for practical use, it is possible to easily carry on wearing and low cost. Bunker nine this
Te devised of acoustically space mixed to sound. Since the use of interference makes the
distortion inconspicuous, and the effective volume of the speaker box can be reduced as
described above, there are many advantages to the device that even good sound negative stereo
reproduction can be gathered, The acoustic effects are huge. Simple a-controls 11Il to 3 @@ of
L8a are each a systematic diagram showing a conventional example, 4 @ 4 is a perspective view
showing an example of a speaker apparatus used in this invention, and FIG. FIG. 6 is a schematic
diagram showing an example, FIG. 6 is a schematic explanatory view for explaining the operation,
and FIG. 7 is a perspective view showing a modified example of the speaker device vO used in the
present invention.
??????????????????????????? And 1 to 4 ... speakers, 10 ...
listening loops 1, 11 (8) 48-473.0 3-09 one-----------------! Back-1-9m и и и @ @ L, stereo left signal,-L
и и и и reverse phase signal of the tele left signal, R и и и и stereo right signal. -R: Reversed phase
signal of stereo right signal. Utility model researcher Assignee Nippon Instruments
Manufacturing Co., Ltd., production period, person ? K K '-=' 1ll1. . ??? Yoshihiro Koudan-1 ""
I (I 48 (4)-47303-10, @ Niji 2 2 ? job ? 15 addiction 1 Q one day Su-de-? CtDlrkn list Times,
? 74, de ? ? job H,% n-machine country job Jcl-'-xt J "-? 4 B-47303-11 +-? ? ily h h" llk, m
in the 40IQ 81 . ░░ NN decanting @ Mito ? 1 also-? 91 \ -1 1 1 1 ? ? ? 1 (? l kj (?? ??
k1 job ? kukum kA (= 48-47303 12 ? 't'J, J-' -6, other than the above agent zip code 110
address Taito ward Ueno 3-chome 6-6 Taito-ku Tokyo "-1 name ( 6094) Attorney's body good J (6,) 48-47303-13 d ▒ ▒: ▒ ▒ j ▒ 5 = = "day? ?? ?
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