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JPS4965802

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DESCRIPTION JPS4965802
Patent Office Director 3 Patent Applicants 幻 Vision 5 剖 Neji Shirikuji 1 Nicliffe Kumi Address
Osaka City Asahi Ward Nakamiya / Dingetsu / / Number / Name (027), Ngyoo Co., Ltd.
Representative Toko Takeshi Gogo Takegu Agent housing 1 + l'r Osaka City Asahi Ward
Nakamiya / Gome / / J / 9! Attached 5] List of letters (1) Descriptions / West (O Lu E No. 4 No. 4
Suisui / -A, "'' ■ Japan Patent Office published patent publication ■ JP 49-058020 published
Japan JP 49. (1974) 6, 26 ■ Japanese Patent Application No. '7 tale no 7 ■ Application date
<47 (1972 nck, 23 examination request existence (all 1 appearance) page 1 specification 1, title
of the invention
Matrix 4 channel stereo playback device
3. Detailed Description of the Invention The present invention is an apparatus for improving
perceptually equally and maximally the Sepia 932 page between channels for two kinds of input
binary signals with different encoding methods in matrix four-channel stereo reproduction.
About. The conventional matrix four-channel stereo reproduction device mixes the completely
separated (separate) two transmission system signals LT and RT, and synthesizes four direction
signals LIF, RF, DB and RB according to their combination ratio. Take them out and input them to
speakers arranged in 4 directions to reproduce the 3D sound field. That is, FIG. 1 is a so-called
cut-out pertorr diagram of a so-called 45-45 type disk record, where ox and aR are vector
diagrams of binary signals similar to those for conventional two-channel stereo reproduction.
The recording is performed with an inclination of + 45 ° and 45 ° with respect to the
horizontal axis of the record, and the sound is localized at the left center and the right center of
the listener, respectively. Then, OF is a vector of signals recorded by inputting the cutting input
in phase and at the same level in the horizontal direction, and this signal localizes the sound
image in the front center of the listener. Also, in the vertical direction, OB is a vector of a signal
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recorded by inputting the cutting input at the reverse phase and at the same level as the end
page EndPage: 13 :) This signal localizes the sound image to the rear center of the listener.
One of the methods (hereinafter referred to as the matrix method (1)) of taking out signals in
four directions with the disc record subjected to such cutting as a signal source (hereinafter
referred to as 0), ie, the left front , Lf front left, right rear, \ right forward four-way channel and
signal out. As Rf and I + btRb, the structure is represented by following Formula. Lfmo、
9gL? −)-0, 5 ORT-Rf snow o, etb x T + o: sa T! Ib '-jO, 91, LT-4-40, 38RTRbwmj ·, 9BRτ-jo,
38LT If this is expressed as a vector diagram, it becomes as shown in FIG. 8, that is, Lf and Xt are
respectively sandwiched by the reference horizontal line Oa. +25! , B ', -22i, and 5 ° direction
(with Ll: CTJf and the angle between xt are 46 °) I + 11. Ltf Ih et al. And the xb from R1 to the
45 'direction. However, the angle between IL and Lf is constant at 45 °. D. The angle between
the channels is θ, and the separation between each channel is divided by 8 (aB) sm 20 jog (OOs
45) )) -3 (aB), and 7 parisons are not sufficient even between offset channels.
There is another -M (hereinafter referred to as matrix method (2)) of the matrix method
described above. · Fig. 3 is a vector diagram of this method, and as it can be understood in
comparison with Fig. 1 and Fig. The binary signal I17,1'l'Tl (the method of exchanging (encoding)
the four signals of the field completely separated and the decoding method of extracting signals
in four directions from this eight-element signal are the matrix method (1) The left front signal
Lci of the original sound field and the right front signal 1tyq are cut as orthogonal vectors in the
4B ′ direction as in the conventional 2-channel stereo reproduction, and the left rear signal LB
and the right rear signal 1tBl It is cut with a phase difference of 98 pages oo on both sides 11 of
the 'j 45-460 sound groove. Due to this 90.degree. Phase difference, the "1 left rear" force signal
DB rotates clockwise and the right rear signal RB rotates counterclockwise (helical modulation).
The binary signal Xi thus encoded in this way. , RT is represented by the following equation.
LTam-jO, 'FO7 LB, -1- LP 100,' TO '71 BRT 〒-0, to 7 LB + 1? −) JO s 17 o f RB The left front,
right front, left rear, right taken out (using the basic decoder) of the binary signal LT obtained by
using a disc record subjected to such cutting as a signal source (using the basic decoder) One
signal is represented by T, r, Rt, Lb, Rb, and the configuration is expressed as follows: Lf 冨
LTRfm'RTLbsmjO, O'FLT-0, ツ O ツ R 丁 Rb 寥 0. 'Fo 7 engineering rT-jQ, 0's R from it, front left
and right channel rwJcXit-R1) and back left and right channel between (zb-Rh) 7 pages of 7
parallels good (in theory infinite) However, the number of seven pares braille on the left front
and back chan Leng R (between L · t and L1 and Rt and itb) and between diagonal channels
(between Xat and xb and between xt and IJb) is 3 dB. More than 10 conventional matrix-type JI!
The two methods have been described in the above, but at present butterfly (Mattori 7 # X
method ac appropriate I (special) seven valleys) improvement measures are implemented, and
hearing the crosstalk between each channel It is held down to the extent that there is no trouble
at all. However, since both methods are encoding method and decoding method S14, 1 especially
backward sound Kil, and there is no compatibility of Pdagram source ◇ That is, as seen from the
cutting vector diagrams of FIG. 1 and FIG. With regard to the signal ゝ located between the front
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and left signals and the front right signal, and the signal at the rear center, both cutting vectors Fi
are similar (in the same plane) and temporary compatibility is recognized -While the movement
signal (direction of cutting) ore longitudinal direction of the rework needle is 1 matrix method (1)
with respect to the backward signal, EndPage: 2 page matrix method (in case of 2 movement of
the play needle, watch The direction and the counterclockwise rotational movement (helical
modulation) 9 are not compatible since both methods are completely different in this respect.
For example, as left rear signal LB: 1. When there is a signal of Q value (a) Two light signals LT1.
For R te 1, the signal in four directions, which is originally reproduced and is synthesized in the
decoder of matrix system (1), is Lν (1), R7 (1) tbit (1) tRB (1), matrix Assuming that signals of
four directions synthesized by the decoder of the system (2) are LP (2), Rv (2), LFI (2) and RB (2),
their values (level and digit) are: ItB (1) ) Rich 1.00 by (1) s-jO, o o 7 RP (1) IllII O ooo RB (1) O o
o o T J B (2)-0, 65 + jo,: at L v (2) o jo, 9 g 1 B (2) It becomes 冨 -0, 2'F-1-50, 65. Considering only
the absolute value of the signal this winter, LB (1) ssl, LF (1) xo, qoff, RF (1) snow0. RB (1) 謬
0.70? However, when it is reproduced by another decoder (matrix method (2)), it is necessary to
reproduce LB (2) LB0.70 rt, LP (32) s "on '9B; RF (2) = mo, s8, R , B (2)-0, word o 7 and the
reproduction level FiL? (2) becomes the maximum value, and the phase relationship is also
completely developed and reproduced, and as a result, it is generated with a single sound field
pattern which is completely compatible with the input signal. The localization of the sound image
is, of course, not completely fixed. · (B) Inversely, two light signals LTB, R? Encoded by the matrix
method (2). As opposed to 2, the signal "番 Ly (2)" to be reproduced originally (to be synthesized
by the decoder of the matrix system (2)) is to be reproduced. RP (2), DB (2), RB (2), page 9 signal
in the direction of number synthesized by the decoder of matrix method (1) is -LF (1) eR ′ ′ (1)
* X r B (1) 6 BB Assuming that 1), the value (level and phase) is LB (2) 詔 1, 00 LP (2) m-40, 707
RF (It)--0-, 70 '7 \ RB (2) go, 00 \ DB (1)-0, 65-j 0.2?
LP(1)−−0,27−50,65J ly(1)=y=−o、65−jo、
27RB(1)−−0,27−jo、65となる。 Therefore, LB (2) s-1, ItIF (2) -0, 70? , RIF
(ffi) s-0, 'FO 7 ° 1 B (z)-o, but when it is reproduced by matrix method (1) sLt I (1)-+-LIF (1) rich
11 F (1)- RB (1)-0,?
Since a signal of the same level is reproduced from the direction of rotation, that is, from the
direction of rotation, and phase 1 is completely different, the pattern of the reproduction sound
field is completely different from the encoding method of the input signal as described above. -Is
not all 1 o pages. Although numerical examples have been described above with reference to the
LB signal, the same applies to the signals of the left center OTJ and the right center OR, and both
methods have no compatibility with the vxf ram source. Therefore, for playback of matrix 4
channel records, a decoder of 2'1 lIIli is required, and in stereo playback sets provided with only
one type of decoder, there is a drawback that the type of encoding scheme of 4 channel records
is limited. there were. The present invention solves the above-mentioned drawbacks, and in
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matrix channel 4-channel reproduction, two types (matrix systems (1) and (2)) input 2-light
signal LT encoded by the advanced encoding system. It is a matrix four-channel stereo
reproduction apparatus which can reproduce seven valleys between channels with respect to RT
equally and share the two types of promentem sources. Hereinafter, the present invention will be
described with reference to the drawings. Now, two types of binary signals LTIEndPage
represented by the following equations: Converting to 3 directions (channel) signals (decoding),
LTB, BT2 (matrix method (2)), page 3 RTI (matrix method (1)) Think about what you want to do.
It becomes matrix type (1), and becomes matrix type (2). Here, in the matrix method (2) which is
the left rear, left front, right front, right rear signals of the I, B, IIF, Ry, Ra # i original sound field,
the general formula of the rear signals Lb, Rb is It is represented by. Here, the mixing ratio trm
27 mλ of the binary signals LT and BT is defined, and for convenience, the angle θ (1! It will be
1 if it is written in pages. Here we will consider the four-stalk s <e> between the rear left and
right. For example, when there is a signal with a value of 1.0 in the L'B channel, a binary signal
LT1 = jo, e2. The backward signal when RT1--jO 338 is input is represented by Rbmjo, 92 sin θ
10 0.38 co-so. (13) Matrix method (8) Binary signal encoded by LTgW-jO, '70? , RTB 13 summer
10 ,? Rear signal ore 11 m 00. 'FO フ (ao-θ + 11 鳳 θ) / 〜 ˜ x bwm 5 o, フ (o ((ao * θ--1 n θ)
and' are applied to the l 11 b 'channel and the θ 1 stoke 8 B (represented by θ.
Therefore, the value of (&) t (11) is taken as 81 (θ) + s2 (θ) on the vertical axis, and the angle θ
corresponding to the mixing ratio is taken on the horizontal axis as shown in FIG. From this, 8element signal i, 21. When mixing RTI and combining the back signal, O 2 O 0, that is, the mixing
ratio! 112/! It is good to mix at I11 mouth O / l ((sx (o ') 篇 0 41 41),' il! When mixing the
binary signal LTE and R signal 2 and combining the backward signal, it is ideal to mix at θ wheel
number 5 °, that is, the mixing ratio ml / m1wo, yo.off 10.707 (BJ! (45 °)-)). Conventional
matrix method (2)), binary signal L! On the premise that Q and true τ B are to be regenerated, in
order to make the order variance between the left and right of the 14 purchases be good
(theoretically infinite), the angle θ 46 ° is selected. However, for this reason, an 8-ary signal
121. ! In contrast to jTlic, I could not get a separation between the rear and the left. 'Here is the
meaning of the 4th WJ company, both input binary signals. ! ITI and I + Tj! ! For both R 〒 IA,
determine the mixing ratio that makes the backward signal Itb ′ and Rh ′ reproduced with
equal Chris Talk equal program source compatibility, and the angle θ is 81 (θ) , 8! Intersection
point of (θ)? である。 However, binary signal LT1. If the difference in cross talks between the
four stalks S1 and the binary signals LTE and RTI for RTI and the cross talks for the RT2 are
about 3 dB, this will not cause a hearing problem. Therefore, the angle θ, which allows both to
be reproduced in a grooved and compatible state, is θ-13 to 23 ° (mixing ratio mfA /! 111 "" OQ3 / O-9) to o, so 10.91 @ One real tin (θ mff 115 °, mg / m 1 mo, decoder m 1 circuit 1
satisfying the above range of θ) sEndPage: page 415 alo, 9R) k ') described in 0-input 2-light
signal I, T, P? -(1) LT front left 'direction 011 t Lt' tr @ 1 L f 4 @ (g) negative! The right front 011
* t 'is made W at right front. (3) After mixing the signal TJT 'with L'l'0 to go @ phase 4 and
another signal R1 at a ratio of 0.9a: 0.3a, the phase is reversed and the signal on the left rear is
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Construct i-1 '. (4) RTt) A signal bundle that allows 100 phases to be carried! 'And other signal L
〒 are mixed by 11 0.911: 0.3 ♂ to make up R b' 1 (1) to (4) can be expressed by the following
equation K (V) Decoder matrix circuit IKffi represented by L!
1. East Tel, L? Breath, l! 畠 is input to LYlll et al. 4 directions 0 儒 Lf ', 1f', Lk 'SO SO 憧 憧 第 ダ
2− ダ ダ ダ ダ ダ ダ 4 4 4 4 4 信号 Lk +', Lf ', Rf'Rb, two optical signals L te IL, R D 1,171! , 111
T 2, the cristotors between the respective channels are substantially reproduced in a balanced
manner in terms of amplitude and phase, and as a salient feature, the sword 2 'original signal LT
1 of the (&) matrix system (1), RTIK On the other hand, the rear signals to be synthesized are in
antiphase with each other, and the front center sound OF, III! With respect to the direction center
sound OB, unnecessary 2 channel signals are in opposite phase to each other at the same level,
and can be completely canceled electrically. In (1+) v) Licks system (2), the phase difference of Ks
backward signal F190 ° is used to make the separation of left and right sounds better as seen
from Eq. (9) input 2 light signal L 〒 2. Also for R te 8, the front center-sound ay and the back
center sound 0BF are paired, and the unnecessary 2 channel signals are in reverse phase and at
the same level at 1 ma. It is possible to erase it *; 6 ° etc. can be said to be a good ○, one signal
signal in the direction of the turn that has been synthesized in this way, features of (&), (b) etc.
Logic mfmtll1mKr of matrix 4 channel stereo playback device with logic (for tampering with 7
volleyball). , 41.6, that is, the combination ratio of the output signals Lt ', Lb', Rf 'and east b' of
the matrix circuit 1 is detected in the input 8 light signal LT, 12th et al. The position angle of the
channel adapted to the direction component is changed in an analog manner to change the
position angle of the channel adapted to the direction component so as to maximize the
separation between each channel. At the final W in FIG. The signals of each I / I channel are
represented by Xat, R1, Lm, 1b by their power division formula Lf. Work f + α, Xa,
Accumulation! xtw-x1. xt '+ cx, xa,' ratX + f-Is, L1s '+ 73.1 L4.1' h '11 aswK3, Rh' + 73. . In the
above equation, the values of α and / 9 are converted into analog form corresponding to the
directional component of the input signal. Furthermore, to explain KIIL <detection circuit 2 (an
example of the circuit is shown in FIG.
) L te, true! As a detection signal, LT + East! ,two! -Wings! The sum signal and the difference
signal are synthesized, and the respective logarithmic amplifiers f1. 對 Amplitude through Tg 両,
波 wt 回路 回路 I 、 對 對 對 出 出 L L L L L IID IID IID IID IID IID IID IID IID IID IID IID IID. lDAg
(The circuit example is subjected to direct current amplification at y to indicate 7-g1ue and direct
current voltage (control voltage) K conversion, and one of its output is phase inversion (ID
number), the other is its number 11 (ID number) Control control amplifier 3. Add to Phase jE @
output 1 pAq gain gain control amplifier 1 ', m jl K j l-This and the output cuff XI of the detection
circuit 2. 1! 11 鎗 y D mo 11 to 4? -IT + \ EndPage: Characteristic of OFA, B tom represented
by 519 award, horizontal axis-input binary signal rat, direction component of R te sand, vertical
axis of its output DC voltage (control 8) If the voltage is taken, then the output of the detection
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circuit 8 is K as shown in Fig. 8-8 for the input of wand Nos. 8 to 111 for matrix type (1) and the
input for matrix type (2). fX1 system, IIIA company, gain control circuit 3 °, No. 1 SK input,
input power & light signal 3, l '! 5, Zt ', Rt', Lb 'and Rb' corresponding to the directional
components of V, changing the position angle of each channel J and changing the position angle
of each channel J, t, at,! Output lb 2 M 1 · Gain control amplification- ・ム2 ム3. All four
companies have the same 〇 electrical characteristics (9th all-i) with L, sono W! In the
relationship IIc of 111m # 1 (A3) to the matrix circuit (Ml), the 9th wJ-IK · its characteristic
horizontal axis represents the direction component of human power source signal 2 讐, * 1 and
the vertical axis represents its gain Then, jl! For the matrix method (1) input. 1O-jllIj Ma) Rituds
method (g) for o input? Rjll。 It will be shown as -1 ilK. 1 page: JP-A-49-65802 (6) 3 3 1) 1)
L'J 'and R が are 1 and the same level, ie, aye compensation number is input 9; , 4 #, the output
of the detection circuit 2? A, BDA No. 5i-x @ (ov, -576 * approximate voltage (control voltage) can
be obtained. This control □ voltage) is added to the frame gain control 1. ム2. ム3.
Therefore, the control voltage of 0, that is, the control voltage of OV is added to the gain side −
the amplification system S and the system 4 so that one 5 Oa command / correction O II is
obtained. 1O-111) -0 * S control controller memory 1.
Mu i6 cq-m O control voltage i0. lT t 'is encumbered in the matrix circuit 舅 1 and therefore 6Lt
is expressed as XaTl, * RT'l Mi TJtmO, O O'fXa' r1 + O,-# 'TO' fRT11 character ml similarly-R1w =
O, 〒 o 'rx l l + o, O O O' FL 〃 11 〃 X J), O, O O "FL l-0, 'to' rx 1 Rbq O, 0 l l 1 l-0, O O O T 1 And
*), the position angle of each output signal is determined @ here 1! Page 1 LTl and 171g in phase
are the same level, and according to Table 1, unnecessary channels, channel signals Lb 'and Rh'
相, Tolay signal KII in a reverse phase and same level relationship, and Xat rich 0 . Fumatsu 0 FR
1 寓 0. F FIO? Ib″z。 Next, for the input signal of the matrix system (2), the
output ID of the detection circuit 2, BDA, that is, the control voltage is the same voltage as in the
case of the matrix system (1) as shown in FIG. Similarly, the signals of the respective channels are
LfmO, and 701R1 寞 0. フテフayr、t11 %。 Rm jOとなゐ。 As for the above, 1 and
input signal 01,! ) Rick 22 j [For the input signals of (1) and (2), the vector included angle of the
signal between front left and right (L ?, Xν) is altso ' , The rear left and right (LB, I'1m1) 0 signal
is orthogonal to the 6th power compensation number C1 and the 1st and 2nd reproduction
vectors and 1st, Cν! It does not leak to 111 ′ ′ and b ′ ′ from the output component of the
signal from zero. In this way, the input signal Cv is clearly positioned in the front center. For the
input signal of the TRIX system (1), the output of the detection signal # 12, the characteristics of
BDjL shown in FIG. 8-1), and a DC voltage (control voltage) of 10 volts is obtained. , Ζ O control
voltage gain control gain ム2、ム3. In addition to 4 That is, gain control amplifier mu S,
company number -awe control voltage is added, and both KO-LBt) gain (9th-10th, 10th-11th,
gain control gain amplifier 1). Because the control voltage of 紘 Ov is added to the raptor and 1
10 multiple ISO frames are obtained, ◎ LbaLll and -80 disease EndPage in this way: Gain tubes
obtained on page 633 B R11 ', ie O, IRIs obtained Acidified in the matrix circuit M2, r, b = O,
'FO7LT1-0.0〒01RT1 same #K as Rh-0,' FO7RT1-0.0 'FO's LTIL f' '-0,' to '1 LT1 The position
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angle of each signal is determined until. + O, O O'FRTIR f-0, 'FO 7 RT 1 + O,' 107 LT 1.
Here, LTl and R'rl are in the relation of opposite phase and the same level, and according to Table
1, unnecessary two channel signals Iaf 'and Rf are in the relation of the opposite phase and the
same level. Is Lf = 0 to Rrx. Lkl rich O, Humafu OBR bw-0, 7 'F' FCB and the front, left and right
outputs are zero, and the sound image is localized at the rear center. Next Kff) For the input 14 of
the risk system (2), the output IFD of the detection circuit 2 has the same voltage as that of the
stable system of the output BDD of the detection circuit 2 (1), and each channel in the same
manner. Signal of Lr L OR rx. Lbxo * Tuffoff 0BfillxQ, 〒1 ツ OB ], the left and right output
components are zero. As described above, regarding the input signal OBK, the vector included
angle of the signal between left and right (LB, RB) is Kff 90 °, and the unnecessary 2-channel
signal (IIF, RIF) for the input signal CBK is Since the signal () BK holds the position angle of 90
'each, the leakage due to the signal of OB' is zero す な わ ち That is, the input signal O is
reproduced only from the rear left and right and clear in the rear center Localize to The same
operation is performed for all input signals that are input signals belonging to a position, and the
separation angle is maximized with the optimal petattle angle for the direction component of the
signal. The above explanation is for the actual number of nine pots i-Fig. 11-i. 6 pages, 1 l-29 pc.
FIG. 11-1 shows a matrix system (1) O input 2 brother signal LT1. It represents the crosstalk of
the raw signal to tT1 and is nine. For example, for the input of the OF, the input of the OF is a
four o'clock four stokes Fi-: for the input of the sOOB and the RF, the tarolostalk 紘 -1O direct to
Lν. B, 'LB to 杜-141 B, to iLB is 4 dB. FIG. 11-2 represents the Thales-talk of the re-main signal
to the input 2 optical signals LTIA and RTII of the matrix system (2), which is a large four, so that
the same result as the measurement result shown in FIG. Thus, in the present invention, in the
second channel stereo reproduction of the matrix system, the input 2 light signal LT of 2..type 'IN
(matrix system (X) sI-(lazy)) LT, It te In order to convert the signal into four direction signals, the
decoder optical path l is added to the front stage of the matrix number channel stereo
reproduction device with logic K so that the R optical signal of the above gll IIl is% phasewise in
amplitude. Even if it is reproduced in a well-balanced manner, and for the input signal, the
reproduction vector between two channels a6 and a page nnel reproduction vector interleaved
angle dfi [90 '6), seven lavis mya between channels good and quality, , Input.
The power signal is reproduced with no loss of 2 # reit, its input signal is clearly localized and
conventional! Due to the disadvantages of the Torix circuit To compatibility with the g source
compatibility problem e Determined because it is a 9i trix number channel stereo playback
device. Brief description of cllli Fig. 1 shows 45-45 method of cutting the diff record, petal figure,
鯖 2 shows the same before, conventional matrix method (1), pictoku wA, 3511 same as before, 6
conventional The 4th all is changed to the decoder matrix circuit of the matrix system (2), and
the angle θ corresponding to the mixing ratio of the 2 optical signals is changed to 9 o'clock (1,
1 kind me input 8) A figure showing the Stokes of the dusk for the reimbursement, 8 @@@ of the
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decoder matrix circuit 1 of 尭 嘴-数 値 -numerical example, FIG. 6 is an example of the invention
according to the invention of the invention. , FIG. 2 is a schematic diagram showing an example
of the detection circuit 2, and EndPage: page 72PI, FIG. 2 is connected to the output of FIG. 1,
FIG. -8-1 Same as before, Matric Figure 8-2 shows the output characteristics of the detection
circuit 2 for the input signal of method (1). Figure 8-2 shows the output characteristics of the
detection circuit 2 for the input signal of the matrix method (dew). 10 is a diagram showing the
sameness of the gain control amplifier (m3), FIG. 10-1 is a diagram showing the characteristics of
the gain control layer Sa with respect to the input signal of the matrix method (2), and FIG. 28
shows the characteristics of the gain control amplifier with respect to the input signal of the
matrix method (1), the same as xx-111 # i before, each channel for the matrix method (1) 110
human power, O crosstalk The first 1-RflJ is a diagram showing the actual measurement value of
crosstalk of 6 channels to the input signal of the matrix method (2). LτtR'f 'is a 2-light signal
#LT',! TtiLT, a signal obtained by delaying R-section by 9C 'phase, Lk' is a left rear signal, page 28
circuit Total rYaEndPage: 8 Kb 垢 1 area draft ,. B 虐 30 funeral 4 figure angle θ (虐) EndPage: 9
7 7-2 zone 8-1 End 8-2 10 End Page: 10 ′ ′ hua 't # 1 direction direction of 吉 10-2 逼Shibe
[phase] [phase] □ □ □ □ □ □--蕃 CR dB [phase] calculation 11-2 Figure invention other than
the above, inventor (1) Invention inventor Naion Kiyo Co., Ltd.! -> Ya name five days 1 'Yoshio
EndPage: 11 Toshifumi Shinsho I ,! , 11? 1) pasting 10 years X 75 1 $ display-tlf, '+ phase 17
years waiting time 1 number 1 θ 6 θ q 2 2, title of invention 2, name of invention mad 99 half
4 plus yan year 1 half Re ± 1 (!
This, who changed the address 1j residence time with the resignation of the visitee 7 steel
Sakasia Sahikunakamiya. Former address Osaka City 1q =, + Yo i 1 eye 11, 1.9 No. 2, t Saka 7
Nyaka Nisshincho New Nikkei Osaka Nikkicho City Nisshincho 2 1 1 name Onkyo Co., Ltd. 4
changed By IQ 囚 ur 3 birds November 15, 147 address transfer. EndPage: 12
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