Why does your voice change as you get older? - Shaylin A. Schundler

1,736,886 views

2018-08-02 ใƒป TED-Ed


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Why does your voice change as you get older? - Shaylin A. Schundler

1,736,886 views ใƒป 2018-08-02

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: Hyeona Seo ๊ฒ€ํ† : Jihyeon J. Kim
00:07
In the mid-16th century,
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16์„ธ๊ธฐ ์ค‘๋ฐ˜์—
00:08
Italians were captivated by a type of male singer
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์ดํƒˆ๋ฆฌ์•„์ธ๋“ค์€ ์–ด๋–ค ์ข…๋ฅ˜์˜ ๋‚จ์„ฑ ๊ฐ€์ˆ˜์—๊ฒŒ ๋งค๋ฃŒ๋˜์—ˆ๋Š”๋ฐ
00:11
whose incredible range contained notes
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๊ทธ ๊ฐ€์ˆ˜๋“ค์€ ๋†€๋ผ์šด ์Œ์—ญ๋Œ€๋ฅผ ๊ฐ€์ง„ ๋‚จ์„ฑ ๊ฐ€์ˆ˜์˜€์–ด์š”.
00:14
previously thought impossible for adult men.
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์ด์ „์—๋Š” ์„ฑ์ธ ๋‚จ์„ฑ์—๊ฒŒ๋Š” ๋ถˆ๊ฐ€๋Šฅํ•˜๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ๋˜ ์Œ์—ญ๋Œ€๋ฅผ์š”.
00:17
However, this gift came at a high price.
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ํ•˜์ง€๋งŒ ์ด๋Ÿฌํ•œ ์žฌ๋Šฅ์—๋Š” ํฐ ํฌ์ƒ์ด ๋”ฐ๋ž์Šต๋‹ˆ๋‹ค.
00:19
To prevent their voices from breaking,
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๋ณ€์„ฑ๊ธฐ๋ฅผ ๋ง‰๊ธฐ ์œ„ํ•ด
00:22
these singers had been castrated before puberty,
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์ด ๊ฐ€์ˆ˜๋“ค์€ ์‚ฌ์ถ˜๊ธฐ ์ „์— ๊ฑฐ์„ธ๋˜์—ˆ์–ด์š”.
00:25
halting the hormonal processes that would deepen their voices.
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๋‚ฎ์€ ๋ชฉ์†Œ๋ฆฌ๋ฅผ ๋งŒ๋“œ๋Š” ํ˜ธ๋ฅด๋ชฌ์˜ ๊ณผ์ •์„ ๋ฉˆ์ถ”๊ธฐ ์œ„ํ•ด์„œ์š”.
00:28
Known as castrati, their light, angelic voices were renowned throughout Europe,
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์นด์ŠคํŠธ๋ผํ† ๋กœ ์•Œ๋ ค์ง„ ๊ทธ๋“ค์˜ ๊ฐ€๋ณ๊ณ  ์ฒœ์‚ฌ๊ฐ™์€ ๋ชฉ์†Œ๋ฆฌ๋Š” ์ „์œ ๋Ÿฝ์—์„œ ์œ ๋ช…ํ•ด์กŒ์ง€์š”.
00:33
until the cruel procedure that created them was outlawed in the 1800s.
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๊ทธ๋“ค์„ ๋งŒ๋“  ์ž”์ธํ•œ ์ ˆ์ฐจ๊ฐ€ ๋ถˆ๋ฒ•์ด ๋œ 1800๋…„๋Œ€๊นŒ์ง€ ๋ง์ž…๋‹ˆ๋‹ค.
00:39
Though stunting vocal growth can produce an extraordinary musical range,
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๋ชฉ์†Œ๋ฆฌ์˜ ์„ฑ์žฅ์„ ๋ง‰๋Š” ๊ฒƒ์œผ๋กœ ํŠน๋ณ„ํ•œ ์Œ์—ญ๋Œ€๋ฅผ ์œ ์ง€ํ•  ์ˆ˜ ์žˆ์—ˆ์ง€๋งŒ
00:43
naturally developing voices are already capable of incredible variety.
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์ž์—ฐ์ ์œผ๋กœ ๋ณ€ํ•˜๋Š” ๋ชฉ์†Œ๋ฆฌ๋Š” ์ด๋ฏธ ๋†€๋ผ์šด ๋‹ค์–‘์„ฑ์„ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
00:48
And as we age, our bodies undergo two major changes which explore that range.
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๋‚˜์ด๊ฐ€ ๋“ค๋ฉด์„œ ์šฐ๋ฆฌ ๋ชธ์€ ๊ทธ ๋‹ค์–‘์„ฑ์„ ํƒํ—˜ํ•˜๋Š” ๋‘ ๊ฐ€์ง€ ์ฃผ๋œ ๋ณ€ํ™”๋ฅผ ๊ฒช์ง€์š”.
00:54
So how exactly does our voice box work, and what causes these shifts in speech?
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์šฐ๋ฆฌ์˜ ํ›„๋‘๋Š” ์ •ํ™•ํžˆ ์–ด๋–ป๊ฒŒ ์ผ์„ ํ•˜๋ฉฐ ๋ฌด์—‡์ด ์ด๋Ÿฌํ•œ ๋ชฉ์†Œ๋ฆฌ์˜ ๋ณ€ํ™”๋ฅผ ์ดˆ๋ž˜ํ• ๊นŒ์š”?
01:00
The specific sound of a speaking voice is the result of many anatomical variables,
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๋งํ•˜๋Š” ๋ชฉ์†Œ๋ฆฌ์˜ ๊ตฌ์ฒด์ ์ธ ์†Œ๋ฆฌ๋Š” ์—ฌ๋Ÿฌ ํ•ด๋ถ€ํ•™์  ๋ณ€ํ™”์˜ ๊ฒฐ๊ณผ์ด์ง€๋งŒ
01:05
but itโ€™s mostly determined by the age and health of our vocal cords
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๊ทธ๊ฒƒ์€ ๋Œ€๋ถ€๋ถ„ ๋‚˜์ด์™€ ์„ฑ๋Œ€์˜ ๊ฑด๊ฐ•์— ๋”ฐ๋ผ ๊ฒฐ์ •๋˜๊ณ 
01:09
and the size of our larynxes.
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ํ›„๋‘์˜ ํฌ๊ธฐ์— ๋”ฐ๋ผ์„œ ๊ฒฐ์ •๋ฉ๋‹ˆ๋‹ค.
01:12
The larynx is a complex system of muscle and cartilage
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ํ›„๋‘๋Š” ๊ทผ์œก๊ณผ ์—ฐ๊ณจ๋กœ ์ด๋ฃจ์–ด์ง„ ๋ณต์žกํ•œ ๊ธฐ๊ด€์ธ๋ฐ
01:16
that supports and moves the vocal cords,
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์„ฑ๋Œ€๋ฅผ ์ง€์ง€ํ•˜๊ณ  ์›€์ง์ด๋ฉฐ
01:18
or, as theyโ€™re more accurately known, the vocal folds.
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๋” ์ •ํ™•ํžˆ ๋งํ•˜์ž๋ฉด ์„ฑ๋Œ€๋Š” ์„ฑ๋Œ€์ฃผ๋ฆ„์ž…๋‹ˆ๋‹ค.
01:22
Strung between the thyroid and arytenoid cartilages,
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๊ฐ‘์ƒ์„ ๊ณผ ๋ชจ๋ฟ”์—ฐ๊ณจ ์‚ฌ์ด์— ๊ธธ๊ฒŒ ์ด์–ด์ง„
01:25
these two muscles form an elastic curtain that opens and shuts across the trachea,
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์ด๋Ÿฌํ•œ ๋‘ ๊ทผ์œก๋“ค์€ ๊ธฐ๋„๋ฅผ ์—ฌ๋‹ซ๋Š” ํƒ„๋ ฅ์žˆ๋Š” ๋ง‰์„ ํ˜•์„ฑํ•˜๊ณ 
01:31
the tube that carries air through the throat.
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๊ธฐ๋„๋Š” ๊ณต๊ธฐ๋ฅผ ๋ชฉ๊ตฌ๋ฉ์œผ๋กœ ํ†ต๊ณผ์‹œํ‚ต๋‹ˆ๋‹ค.
01:34
The folds are apart when weโ€™re breathing,
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์„ฑ๋Œ€ ์ฃผ๋ฆ„์€ ์ˆจ ์‰ด ๋•Œ์—” ๋–จ์–ด์ ธ์žˆ์ง€๋งŒ
01:36
but when we speak, they slam shut.
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๋งํ•  ๋•Œ๋Š” ๊ตณ๊ฒŒ ๋‹ซํž™๋‹ˆ๋‹ค.
01:39
Our lungs push air against the closed folds,
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์šฐ๋ฆฌ์˜ ํ๋Š” ๋‹ซํžŒ ์ฃผ๋ฆ„ ์‚ฌ์ด๋กœ ๊ณต๊ธฐ๋ฅผ ๋ฐ€์–ด๋‚ด๋ฉฐ
01:42
blowing them open and vibrating the tissue to produce sound.
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๋ฐ”๋žŒ์„ ๋ถ„์ถœํ•˜๊ณ  ์กฐ์ง์„ ๋–จ๋ฉฐ ์†Œ๋ฆฌ๋ฅผ ๋งŒ๋“ญ๋‹ˆ๋‹ค.
01:46
Unlike the deliberate focus required for playing an external instrument,
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๋‹ค๋ฅธ ์•…๊ธฐ๋ฅผ ์—ฐ์ฃผํ•  ๋•Œ ์‹ ์ค‘ํ•œ ์ง‘์ค‘๋ ฅ์„ ์š”๊ตฌํ•˜๋Š” ๊ฒƒ๊ณผ๋Š” ๋‹ฌ๋ฆฌ
01:50
we effortlessly change notes as we speak.
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์šฐ๋ฆฌ๋Š” ๋งํ•  ๋•Œ์—๋Š” ๋ณ„๋‹ค๋ฅธ ๋…ธ๋ ฅ ์—†์ด ์Œ์„ ๋ฐ”๊พธ์ง€์š”.
01:53
By pushing air faster or slower,
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๊ณต๊ธฐ๋ฅผ ๋น ๋ฅด๊ฒŒ ๋˜๋Š” ๋Š๋ฆฌ๊ฒŒ ๋ฐ€์–ด๋‚ด๋Š” ๊ฒƒ์œผ๋กœ
01:55
we change the frequency and amplitude of these vibrations,
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์šฐ๋ฆฌ๋Š” ์ด๋Ÿฌํ•œ ์ง„๋™์˜ ์ง„๋™์ˆ˜์™€ ์ง„ํญ์„ ๋ฐ”๊พธ๋Š”๋ฐ
01:58
which respectively translate to the pitch and volume of our voices.
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์ง„๋™์€ ๋ชฉ์†Œ๋ฆฌ์˜ ์Œ์ •๊ณผ ์Œ๋Ÿ‰์„ ๋ฐ”๊ฟ‰๋‹ˆ๋‹ค.
02:03
Rapid and small vibrations create high-pitched, quiet tones,
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์ข๊ณ  ์ž‘์€ ์ง„๋™์€ ๋†’์€ ์Œ๊ณผ ์กฐ์šฉํ•œ ์†Œ๋ฆฌ๋ฅผ ๋‚ด๋Š”๋ฐ
02:07
while slow, large vibrations produce deep, bellowing rumbles.
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๋Š๋ฆฌ๊ณ  ํฐ ์ง„๋™์€ ๊นŠ๊ณ  ์šฐ๋ ์ฐจ๊ณ  ์šฐ๋ฅด๋ฆ‰๊ฑฐ๋ฆฌ๋Š” ์†Œ๋ฆฌ๋ฅผ ๋ƒ…๋‹ˆ๋‹ค.
02:12
Finally, by moving the laryngeal muscles between the cartilages,
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๋งˆ์ง€๋ง‰์œผ๋กœ, ์—ฐ๊ณจ ์‚ฌ์ด์— ์œ„์น˜ํ•œ ํ›„๋‘์˜ ๊ทผ์œก์„ ์›€์ง์ž„์œผ๋กœ์จ
02:16
we can stretch and contract those folds
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์„ฑ๋Œ€ ์ฃผ๋ฆ„์„ ๋Š˜๋ฆฌ๊ณ  ์ค„์ผ ์ˆ˜ ์žˆ์ง€์š”.
02:19
to intuitively play our internal instruments.
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์šฐ๋ฆฌ ๋‚ด๋ถ€์˜ ์•…๊ธฐ๋ฅผ ์ง๊ฐ์ ์œผ๋กœ ์—ฐ์ฃผํ•˜๊ธฐ ์œ„ํ•ด์„œ์š”.
02:22
This process is the same from your first words to your last,
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์ด ๊ณผ์ •์€ ์—ฌ๋Ÿฌ๋ถ„์ด ํƒœ์–ด๋‚˜์„œ ์ฒ˜์Œ ํ•œ ๋ง๊ณผ ๋งˆ์ง€๋ง‰์œผ๋กœ ํ•œ ๋ง์—์„œ ๋˜‘๊ฐ™์ด ์ผ์–ด๋‚˜์ง€๋งŒ
02:26
but as you age, your larynx ages too.
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๋‚˜์ด๊ฐ€ ๋“ค์ˆ˜๋ก, ํ›„๋‘ ๋˜ํ•œ ๋‚˜์ด๊ฐ€ ๋“ญ๋‹ˆ๋‹ค.
02:29
During puberty, the first major shift starts,
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์‚ฌ์ถ˜๊ธฐ์— ์ค‘์š”ํ•œ ์ดˆ๊ธฐ์˜ ๋ณ€ํ™”๋Š”
02:32
as your voice begins to deepen.
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๋ชฉ์†Œ๋ฆฌ๊ฐ€ ๊นŠ์–ด์ง€๋Š” ๊ฒƒ์œผ๋กœ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.
02:35
This happens when your larynx grows in size,
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์ด๊ฒƒ์€ ํ›„๋‘์˜ ํฌ๊ธฐ๊ฐ€ ์ปค์ง€๊ธฐ ๋•Œ๋ฌธ์ด๋ฉฐ
02:38
elongating the vocal folds and opening up more room for them to vibrate.
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์„ฑ๋Œ€ ์ฃผ๋ฆ„์„ ๊ธธ๊ฒŒ ํ•˜๊ณ  ์ง„๋™ํ•˜๋Š” ๊ณต๊ฐ„์„ ๋„“๊ฒŒ ํ•˜๋ฉด์„œ ์ผ์–ด๋‚˜์ง€์š”.
02:43
These longer folds have slower, larger vibrations,
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์ด๋Ÿฌํ•œ ๊ธด ์ฃผ๋ฆ„์€ ๋” ๋Š๋ฆฌ๊ณ  ํฐ ์ง„๋™์„ ๋งŒ๋“œ๋Š”๋ฐ
02:47
which result in a lower baseline pitch.
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์›๋ž˜ ์Œ๋ณด๋‹ค ๋” ๋‚ฎ์€ ์†Œ๋ฆฌ๋ฅผ ๋งŒ๋“ญ๋‹ˆ๋‹ค.
02:50
This growth is especially dramatic in many males,
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์ด๋Ÿฌํ•œ ์„ฑ์žฅ์€ ๋‚จ์„ฑ๋“ค์—๊ฒŒ ํŠนํžˆ ๋ถ€๊ฐ๋˜๋Š”๋ฐ
02:53
whose high testosterone levels lead first to voice cracks,
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๋‹ค๋Ÿ‰์˜ ํ…Œ์Šคํ† ์Šคํ…Œ๋ก  ์ˆ˜์น˜๋Š” ๋ณ€์„ฑ๊ธฐ๋ฅผ ๋ถˆ๋Ÿฌ์˜ค๊ณ 
02:57
and then to deeper, more booming voices,
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๋” ๋‚ฎ๊ณ  ์šธ๋ฆฌ๋Š” ๋ชฉ์†Œ๋ฆฌ๋ฅผ ๋งŒ๋“ค๋ฉฐ
03:00
and laryngeal protrusions called Adamโ€™s apples.
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ํ›„๋‘์˜ ๋Œ์ถœ๋ถ€๋Š” '์•„๋‹ด์˜ ์‚ฌ๊ณผ'๋ผ๊ณ  ๋ถˆ๋ฆฝ๋‹ˆ๋‹ค.
03:04
Another vocal development during puberty
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์‚ฌ์ถ˜๊ธฐ์˜ ๋˜ ๋‹ค๋ฅธ ๋ชฉ์†Œ๋ฆฌ์˜ ๋ณ€ํ™”๋Š”
03:06
occurs when the homogenous tissue covering the folds
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์„ฑ๋Œ€ ์ฃผ๋ฆ„์„ ๋ฎ๊ณ  ์žˆ๋Š” ๊ท ์ผํ•œ ์กฐ์ง์ด
03:09
specializes into three distinct functional layers:
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์„ธ ๊ฒน์˜ ๊ตฌ๋ถ„๋˜๋Š” ๊ธฐ๋Šฅ์ ์ธ ์ธต์œผ๋กœ ๋‚˜๋ˆ„์–ด์งˆ ๋•Œ ์ผ์–ด๋‚ฉ๋‹ˆ๋‹ค.
03:13
a central muscle,
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์ค‘๊ฐ„ ๊ทผ์œก
03:15
a layer of stiff collagen wrapped in stretchy elastin fibers,
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๋Š˜์–ด๋‚˜๋Š” ์—˜๋ผ์Šคํ‹ด ์„ฌ์œ ๋กœ ๋‘˜๋Ÿฌ์‹ธ์ธ ๋ป‘๋ป‘ํ•œ ์ฝœ๋ผ๊ฒ ์ธต
03:19
and an outer layer of mucus membrane.
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๊ทธ๋ฆฌ๊ณ  ๊ฐ€์žฅ ๋ฐ”๊นฅ ์ธต์ธ ์ ๋ง‰์œผ๋กœ ๋ง์ด์ง€์š”.
03:23
These layers add nuance and depth to the voice,
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์ด๋Ÿฌํ•œ ์ธต๋“ค์€ ์†Œ๋ฆฌ์˜ ๋ฏธ๋ฌ˜ํ•œ ์ฐจ์ด์™€ ๊นŠ์ด๋ฅผ ๋”ํ•˜๊ณ 
03:25
giving it a distinct timbre that sets it apart from its pre-pubescent tones.
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์‚ฌ์ถ˜๊ธฐ ์ด์ „์˜ ๋ชฉ์†Œ๋ฆฌ์™€ ๊ตฌ๋ณ„๋˜๋Š” ์Œ์ƒ‰์„ ๋งŒ๋“ญ๋‹ˆ๋‹ค.
03:30
After puberty, most peopleโ€™s voices remain more or less the same
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์‚ฌ์ถ˜๊ธฐ ์ดํ›„๋กœ ๋Œ€๋ถ€๋ถ„์˜ ๋ชฉ์†Œ๋ฆฌ๋Š” ๊ฑฐ์˜ ๊ฐ™๊ฒŒ ์œ ์ง€๋ฉ๋‹ˆ๋‹ค.
03:35
for about 50 years.
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๋Œ€๋žต 50๋…„ ๋™์•ˆ์š”.
03:37
But we all use our voices differently,
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๊ทธ๋Ÿฌ๋‚˜ ์šฐ๋ฆฌ๋Š” ๋ชจ๋‘ ๋ชฉ์†Œ๋ฆฌ๋ฅผ ๋‹ค๋ฅด๊ฒŒ ์‚ฌ์šฉํ•˜๋ฉฐ
03:39
and eventually we experience the symptoms associated with aging larynxes,
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๊ฒฐ๊ตญ ๋‚˜์ด๊ฐ€ ๋“  ํ›„๋‘์™€ ๊ด€๋ จ๋œ ์ฆ์ƒ์„ ๊ฒฝํ—˜ํ•˜๊ฒŒ ๋˜์ง€์š”.
03:44
known as presbyphonia.
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๋…ธ์ธ์„ฑ ์–ธ์–ด ์žฅ์• ๋ผ๊ณ  ํ•˜์ฃ .
03:45
First, the collagen in our folds stiffens
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์ดˆ๊ธฐ์— ์ฃผ๋ฆ„์˜ ์ฝœ๋ผ๊ฒ์€ ๋”ฑ๋”ฑํ•ด์ง€๊ณ 
03:48
and the surrounding elastin fibers atrophy and decay.
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์ฃผ๋ฆ„์„ ๋‘˜๋Ÿฌ์‹ผ ์—˜๋ผ์Šคํ‹ด ์„ฌ์œ ๋Š” ์œ„์ถ•๋˜๊ณ  ๋ถ€์‹๋ฉ๋‹ˆ๋‹ค.
03:52
This decreased flexibility increases the pitch of older voices.
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์ด๋Ÿฌํ•œ ์œ ์—ฐ์„ฑ์˜ ๊ฐ์†Œ๋Š” ๋…ธ์ธ์˜ ๋ชฉ์†Œ๋ฆฌ์˜ ์Œ์„ ๋†’์ด์ง€์š”.
03:57
But for people who have experienced the hormonal effects of menopause,
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๊ทธ๋Ÿฌ๋‚˜ ๊ฐฑ๋…„๊ธฐ ํ˜ธ๋ฅด๋ชฌ์˜ ์˜ํ–ฅ์„ ๋ฐ›์€ ์‚ฌ๋žŒ๋“ค์˜ ๊ฒฝ์šฐ์—๋Š”
04:01
the higher pitch is countered and outweighed by swollen vocal folds.
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๋ถ€์–ด์˜ค๋ฅธ ์ฃผ๋ฆ„์œผ๋กœ ๋†’์•˜๋˜ ์Œ์€ ๋‚ฎ์•„์ง€๊ณ , ๋‚ฎ์•„์ง„ ์Œ์ด ๋” ์ปค์ง‘๋‹ˆ๋‹ค.
04:06
The folds' increased mass slows their vibrations, resulting in deeper voices.
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์„ฑ๋Œ€ ์ฃผ๋ฆ„์˜ ์ฆ๊ฐ€๋œ ๋ฉ์–ด๋ฆฌ๋Š” ์ฃผ๋ฆ„ ์ง„๋™์„ ๋Š๋ฆฌ๊ฒŒ, ๋ชฉ์†Œ๋ฆฌ๋ฅผ ๋‚ฎ๊ฒŒ ๋งŒ๋“ญ๋‹ˆ๋‹ค.
์ด๋Ÿฌํ•œ ์ฆ์ƒ๋“ค์€ ๋” ํ•ฉ๋ณ‘์ฆ์ด ์ƒ๊ธฐ๋Š”๋ฐ
04:13
All these symptoms are further complicated
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04:15
by having fewer healthy laryngeal nerve endings,
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๊ฑด๊ฐ•์ด ์•ฝํ•ด์ง„ ๋ฐ˜ํšŒ์‹ ๊ฒฝ์ข…๋ง ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
04:18
which reduces precise muscle control and causes breathy or rough voices.
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์ •ํ™•ํ•œ ๊ทผ์œก์กฐ์ ˆ์„ ์•ฝํ™”์‹œํ‚ค๊ณ  ๊ฑฐ์นœ ๋ชฉ์†Œ๋ฆฌ๋ฅผ ๋‚ด๊ฒŒ ํ•˜์ง€์š”.
04:23
Ultimately, these anatomical changes are just a few of the factors
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๊ฒฐ๊ตญ ์ด๋Ÿฌํ•œ ํ•ด๋ถ€ํ•™์ƒ์˜ ๋ณ€ํ™”๋Š”
์—ฌ๋Ÿฌ๋ถ„์˜ ๋ชฉ์†Œ๋ฆฌ์— ์˜ํ–ฅ์„ ์ฃผ๋Š” ๋ช‡ ๊ฐ€์ง€์˜ ์š”์†Œ์ผ ๋ฟ์ž…๋‹ˆ๋‹ค.
04:28
that can affect your voice.
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04:30
But when kept in good condition,
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๊ทธ๋Ÿฌ๋‚˜ ์ข‹์€ ์ƒํƒœ๋ฅผ ์œ ์ง€ํ•˜๋ฉด
04:31
your voice box is a finely tuned instrument,
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ํ›„๋‘๋Š” ๊ฝค๋‚˜ ์ข‹์€ ์•…๊ธฐ์ด๋ฉฐ
04:34
capable of operatic arias,
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์˜คํŽ˜๋ผํ’์˜ ์•„๋ฆฌ์•„๋ฅผ ๋ถ€๋ฅผ ์ˆ˜ ์žˆ๊ณ 
04:36
moody monologues,
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์‹œ๋ฌด๋ฃฉํ•œ ํ˜ผ์žฃ๋ง์„ ํ•˜๊ณ 
04:38
and stirring speeches.
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์‹ ๋‚˜๊ฒŒ ๋งํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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