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FIELD OF THE INVENTION The present invention relates to a method of collecting sound.
2. Description of the Related Art With the widespread use of small video cameras and mobile
phones, the development of smaller and higher performance microphones is in progress.
However, taking audio equipment as an example, mechanical technologies such as SP, LP, CD,
MD, etc. have made great progress since Edison invented the phonograph, but in terms of sound,
natural sounds and raw sounds are endless. I have not been able to get a close sound.
For example, the sound of recording and playing live performances.
Sounds of live television and radio.
These sounds do not produce subtle or dynamic sounds like real sounds, have no lifelike
presence, and they are clearly distinguishable from raw sounds.
[Problems to be Solved by the Invention] Raw natural sounds have the effects of growth, gloss,
sense of depth, sense of depth, etc., but the role of the microphone is to faithfully reproduce them
However, conventional microphones can not receive all broadband sound energy into the
In addition, even in the case of a sound collection microphone that can capture relatively wideband sounds, it is easy to introduce interference from its structure, and it is excellent for
capturing small sounds in the distance, but nearby large sounds (sounds from pianos and jets If
you try to capture etc.), it will be difficult to hear, it may be muddy, or it may produce an unsharp
sound or a third sound.
It is important to transmit more sound information to the diaphragm of the microphone in order
to capture raw sounds, but it is not possible to capture the sound faithfully with the microphones
currently in widespread use.
For example, an omnidirectional microphone can react uniformly to all the sounds on the front of
the microphone, so it creates the illusion of capturing all the sounds there, but it actually
captures only some of the sounds.
As the width of the sound source increases, the sound captured by the microphone is limited.
[Means for Solving the Problems] In order to solve the above problems, taking an instrument as
an example, when taking the sound of a guitar, generally, a microphone is placed in front of the
stoma of the guitar or a microphone is directly attached. Attached to the guitar, but when you
nail the strings of the guitar, you can see from the fact that the swing of the strings is different
between the part where the strings are released and the part of the neck. To the end, the entire
guitar is the sound source, and moreover, the information of the same sound is not given from
the end of the guitar, but slightly different sounds are emitted from all parts.
Whether a piano or a saxophone, the entire instrument is a resonance plate that amplifies the
sound and is a sound source.
The piano becomes the sound of the piano only when information of many sounds emitted from
each part of the piano is collected, and the violin becomes the sound of a violin only after
information of many sounds emitted from each part of the violin is collected.
Therefore, if the sounds emitted from each part of the musical instrument are divided in more
detail according to the size and shape of the musical instrument, it is possible to faithfully catch
the original sound of the musical instrument.
In other words, the natural sound that we usually listen to is a large number of sound sources in
a wide band, and from each of these sound sources it is not a single sound, but all parts of the
sound source according to the width and size of the sound source From that, various sounds are
emitted, and they reach the ear as a mass of sound.
Therefore, if the sound of the sound source is regarded as one sound, it is not possible to catch
the natural natural sound, and the sound source is regarded as a collection of many sounds,
along the width and shape of the sound source. By finely dividing the information and collecting
the sound, you can faithfully capture raw natural sounds.
DESCRIPTION OF THE PREFERRED EMBODIMENT The following can be considered as a method
of carrying out the invention described above, and concerts, plays, lectures, venue equipment,
broadcasted television, radio, recorded tapes, etc. using these methods It can be adopted for all
reproduction of sound, such as recording, CD, MD, DVD, video, movie, computer software,
distribution software by Internet, video camera and the like.
As shown in FIG. 1, a sound collection device having a microphone at the inner corner of a long,
short, two-plate L-shaped sound collection plate.
The above-mentioned device is installed obliquely to the sound source, and the sound from the
sound source is captured widely on the long sound collecting plate side, and guided obliquely to
the short sound collecting plate side by installing it obliquely and transmitted to the microphone.
A method according to a sound collection device having a microphone at an inner corner of a
long, short, and two L-shaped sound collection plate, and a plurality of partition plates on the
sound collection plate.
In this case, the sound collected can be rectified by attaching a partition plate.
(See Figure 2)
A method using a sound collection apparatus in which a plurality of microphones are arranged in
a line or plural lines inside an L-shaped sound collection board.
(See Figure 3)
Further, in the case of claims 2, 3 and 4, when using for a relatively small sound source as in the
mouth of a person, it is possible with one device of claim 2, but the number is increased by the
width of the sound source, There is also a method of connecting and adjusting in columns or
(See Figure 4)
In these cases, the larger the sound collecting plate, the more sound information can be captured,
and the L-shaped sound collecting plate may be freely adjustable in angle according to the size
and shape of the sound source.
By changing this angle, the degree of sound collection can be adjusted and interference can be
A method with a sound collection device in which a plurality of microphones are arranged in a
line or in a plurality of lines on a curved sound collection board like a bag.
Depending on the width and shape of the sound source, you can adjust the length and width of
the sound collection board, the degree of curvature, and the number of microphones.
(See Figure 5)
And as shown in FIG. 6, according to the sound source, according to the width and the size of the
sound source, a box is provided and the method by the sound collection device which has
arranged a plurality of microphones in it.
Also in this case, the size of the box and the number and arrangement of the microphones may
be adjusted.
If the above method is applied, various types of sound collectors are made, such as those
connected in S-shape, those connected in donut shape, those in trapezoidal shape, those in tower
shape, etc., depending on the width and shape of the sound source. , Can be along the sound
In addition, although the electric guitar has a plurality of microphones attached at the place
where the finger is plucked, according to the method of the present invention, the microphones
are equally embedded in the part corresponding to the end of the electric guitar string, The
present invention can be practiced on a wide variety of musical instruments, such as embedding
a microphone evenly on the neck or resonance plate of a general guitar, or attaching a plurality
of microphones to the strings of a concert piano.
(See Figure 7)
[Effects of the invention] Conventional sound has a freshness, elongation, gloss, sense of depth,
sense of depth, sense of field, sense of speed, sense of speed, warmth, and warmth compared to
raw natural sound. Although there was no feeling of cold, according to the method of the present
invention, as shown in the waveform pictures of the oscilloscopes of FIG. 8 and FIG. 9, the
waveform becomes well rising with high frequency components, and the drawbacks of the
conventional method are significantly improved. It became almost equal to the natural sound of
8 and 9 show the sounds of the harmonica recorded under the same conditions. FIG. 8 shows the
sound recorded by the device of the present invention, and FIG. 9 shows the sound recorded by
the conventional recording method. The waveform clearly shows a different waveform.
In addition, since it has the characteristic that it can transmit the sound to a further distance, in
the live concert venue, it is possible to transmit clear raw sound without breaking the sound to
the corners of the venue.
Also, when an artistic sound such as a song or a performance is collected and reproduced by the
present invention method, raw natural sound can be reproduced equally large.
Therefore, even if a conventional speaker or amplifier is connected as it is, the sound can be
clearly transmitted without blurring, and can be transmitted more beautifully and inspiringly by
television or radio broadcasting, CD, MD, DVD, etc. . Moreover, it is possible to tell in more detail
the liveliness of the news, the trends of athletes in sports programs, and the appearance of the
spectators, and it is possible to obtain realistic impression while staying at home.
In addition, the combination of the sound of this method and the image makes it possible to
capture the sound so that it is possible to understand where each drop of a delicate rain sound
falls, so it is possible to create a more natural, immersive movie. it can.
In the open air, the sound of the waterfall, the sound of the ocean, the sound of the SL, the sound
of the jet, etc., which were captured only in a large flat sound even with stereo technology in the
past, have various noises one after another It moves in various directions, up, down, left and
right, and has a complex sound configuration.
By adopting the method of the present invention and capturing it, it is possible to capture a
dynamic and powerful sound clearly without exhaustion, and to reproduce a new threedimensional vivid sound different from conventional stereo and surround. .
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