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JPS55168286

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DESCRIPTION JPS55168286
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram for explaining an equalizer
with a sound field compensation characteristic display device according to the present invention,
and FIG. 2 is a front view for explaining the equalizer. 1 иииииии Equalizer, F1 to F12 иииииии Bandpass
filter 1G1 to G12 ииииииии Gain control, L ? to L ? 2 ииииии Light emitting diode, TR ? ....................
[Detailed description of the invention] ? al al ? ??, name of the field ? i ? ? mark indication
',-,-award size icon ? 2 4? l 4- I ih draft registration registration range range from the gain
control for seeking A sound field interpolation iX characteristic is characterized in that it
comprises means for receiving a part of each output signal and comparing the input level with a
predetermined reference level, and means for indicating the output from the comparing means.
Display skinned and brushed equalize. 3, on the possibility and the equalizer the sound fried
garnishes only insurance knowledge of the 41, before a HoriAkira Honkogyo S or listening room
of Kotaba. Conventionally, in order to know the frequency band-specific reproduction
characteristics of the listening room, for example, the ratio of flat to 1.1. Pick up white noise from
the sound field and use a frequency command analyzer? There is a method of measuring a sound
pressure level by a sound level meter, and further, a method of sending a sharp, squeezed ear
tociness through an analyzer to a real time analyzer and then reading it from a display. However,
the above-mentioned frequency band analyzer, green sound meter and chopsticks (1) n29 / and
real-time analyzer, etc., are for non-trivial use for test and research (9) because they are
extremely sieving values, In order to try to know the frequency custom-order, the application (on
l and appropriate on the 7 and not on (l. Also, even if the sound field characteristics are known to
'cs', it is necessary to prohibit the equalizer for each frequency band by one round in order to
complement the acoustic characteristics. In order to enable the detection of the characteristic
that compensates for the sound mound characteristic of the listening room, a light emitting diode
etc. is provided for each frequency band in order to enable the detection of the above
requirement == Ks. Renal field compensation that makes it possible to recognize the frequency @
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property of the sound field by emitting light from the light emitting diode or the like when the
output obtained through each gay / control reaches a desired constant value or more. About
special display exhibition direct size ikola toy de. ! An embodiment of the present invention will
be described with reference to FIG. A block diagram I2) 2 to explain the equalizer with a sound
field compensation characteristic display device according to the present embodiment, one-point
hardback. 2 is a microphone for picking up sound from the sound field, 3 is an amplifier. 4 is a
noise generator of a white noise original width, 5 is an amplifier, and 6 is a speaker. Equalizer 11
(% F1 + F2 ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии R, 2, R, ', R2
'иииииииииииииииииииииииииииииииии R, G are upper piles, LllR2?
иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Is a transistor and 7
is a mixing amplifier.
"ItF2 indicates the 9th input side and the 1st side of the equalizer 1, respectively. As apparent
from the figure, when the output amount from the gain control ?I, G 2... () + 2 becomes 7 or
more of the desired quadrature, the transistors TR, TR 2. The light emitting diode L, R2,... L12 has
a grooved structure for lighting. Nao, band pass filter F 19 F 2 ..... F 1 ? is provided
corresponding to the valley frequency band 2 and Hoya (3) Laugh ? 12 H for 12 H by 2 KH KH
?It is divided up, and 12 systems are set. Harm 2. The bad news is the positive iB] 7 j that
explains the display 11 of the equalizer 1 which takes place with the key pin IN. 12 is the display
on the right channel side on the left channel JllI +12 ', 13.13 ... slide switch knob, Reference
numeral 14 denotes a light emitting diode provided on the surface of the knobs 13, 13... And a
light emitting diode 15 and a slide groove 15 on which the upper bit bis-in chip 13.13. The
function of detecting the sound saving 5 compensation characteristic from the equalizer 1iC
configured as described above will be described below. ??????????????? The
white noise is generated in the sound field more than the speaker 6 (. Sound reproduced from
sound field Microphone 20; Pick up, input to equalizer 1 via amplifier 3 from Pl. The input is
divided into bands by the band pass filters F1 to F12 of the equalizer 1. The input passed
through the band pass filters F1 to F12 passes through the gain control 01 to G12 and is sent to
the amplifier 7, but a part of the output is supplied to the base of the transistors TR, -TR, 2: C Ru.
If the output of gain control 00 to G + 2 is the output of JL or the desired constant 1 old or more
(if the light emitting diode L1 to L + 2 is turned on, the gain / light is lowered so that the light
emission The knob 13 is moved to a position immediately before or after the diode goes out. In
addition, the output below the footrest, the light emitting diode connected with the light emitting
diode (the light emitting diode connected with the light emitting diode is turned off, and its gain
is increased, and the position of the light emitting diode is dotted or immediately after: The knob
14 moves. Wang Feng Ling Manen is the position of the switch knob 147 on the slide ? 15 on
the disc 11 of the after 11 ?, the opposite characteristic of the sound field characteristic of the
spot, 4trl ? ? to tell me, the sound field 4 breaks If you have custom made 411 and ?.
Therefore, it is possible to supply the music signal or the like of the equalizer IVc 1115 always
with the switch knob 13 in this position, and generate the output now to listen to the music or
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the like in which the L-character 44 is compensated.
(5) Nashi, this husband and others, I am gay / control 01-G + 2. /> The light emitting diodes L1 to
L + 2 were used as a means to indicate that the desired voltage was supplied, but it was decided
to ignite the lamp or generate a short ding sound. Other display means can also be used. Further,
it is possible to make the above-mentioned standard masonry variable as one capable of
changing and setting the values of the pace resistances R1 'to R1' of the transistors TR to TR12
simultaneously to the value of + -f. In the above embodiment, the audible band of s16H to 32
KHz is 12G41 for each octave band, but the present invention can be easily implemented even if
it is divided into 36 for every 1/3 octave or another band dividing method. The present invention
is easy for general and detractors as Kami-Korizo: '7 :) It is possible to make it possible to
compensate for the reproduction I by frequency I range, so there is no need to adjust the
equalizer again, The effect is great in practical use.
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