The human voice

A whole band inside the body — singing came before language

Related

The talk boxThe vocoderAuto-TuneMoog modular synthesizerPitchTimbre

⭐⭐ The main line: a whole band inside the body

「the lungs, the 『pump』, must produce adequate airflow and air pressure to vibrate the vocal folds; the vocal folds vibrate, modulating airflow from the lungs for sound production; the articulators (tongue, palate, cheek, lips) articulate and filter the sound emanating from the larynx」.

⭐⭐ A complete human synthesizer:

⭐⭐ All three elements of subtractive synthesis ran in bodies for millennia — against the moog-modular entry: subtractive synthesis was only named in 1948 — the naming of a principle came tens of thousands of years after the principle.

⭐⭐ Singing came before language

⭐⭐ 「scholars have hypothesized that singing predates spoken language, appearing during the middle Paleolithic era or earlier」 — the voice is the only instrument on this site that may be older than language.

⭐⭐ Against the site's timeline: the Telharmonium wanted to transmit music over wires (1906) · the Rhythmicon wanted to compute rhythms no hands could play (1931) — the voice did both millennia ago: transmitting (song passed mouth to mouth) and computing (polyrhythmic folk song). Every technological 「invention」 is a revision of something the voice once did.

⭐⭐ The physics of the folds: pitch is size, timbre is culture

⭐⭐ The data: 「adult male vocal folds 17–25mm; female 12.5–17.5mm」; 「three-layer construction: epithelium · vocal ligament · vocalis muscle — they can shorten and bulge」; 「men generally have a larger vocal tract, giving a lower-sounding timbre — mostly independent of the folds」.

⭐⭐ Speech as melody: 「speech itself……could be considered a primitive form of melody」 — language is a fossil of melody; the undulation of everyday speech is disciplined melody (against the folk-song library: folk song is speech not yet fully disciplined).

⭐⭐ Timbre is culture: 「a tight, nasal tone is associated with many Asian and Arabic traditions, whereas opera and gospel singers employ a chest voice with pronounced vibrato」 — ⭐⭐ one instrument, different aesthetic conventions — whether a timbre is 「good」 is written by culture, not physics.

⭐⭐ SATB: arranging voices on the pitch spectrum

⭐⭐ 「a trained singer has about a two-octave range — most Western songs fit within two octaves」: half of Western song range was not set by composers — it was set by the voice. ⭐ Castrati: adult male altos and soprani were formally integrated into the choir of St Peter's — when an institution wants a sound, it finds an institutional way.

⭐⭐ Diva Dance: human limits and the technical patch

⭐⭐ The Fifth Element's (1997) Diva Dance was 「supposedly composed beyond the range and ability of humans to sing」 — 「Eric Serra hired opera singer Maria Callas to sing each note separately, and audio engineers assembled those individual notes in an editing program」; while 「Jane Zhang later sang the unsingable live on stage」.

⭐⭐ A prehistory of pitch correction in 1997: first assembled (Callas), then live (Jane Zhang) — against the auto-tune entry's Cher 「Believe」 (1998): the fight between technology and human limits opened in cinema a year before pop.

⭐ The only instrument that carries meaning

⭐⭐ 「Most music for the voice involves the delivery of words」; 「Vocal music is often identified as sacred or secular on the basis of its text」 — every instrument on this site is 「silent」; only the voice brings words, and sacred/secular is divided by text: an instrument's 「meaning」 was adjudicated by words for the first time. (Against all instrument entries classified by form — the voice is classified by text: its last irregularity.)

The voice is a bodily aerophone (reed vibration + filtering) — the lungs as air pump, the vocal folds as oscillator (male 17–25mm / female 12.5–17.5mm), the vocal tract as filter and amplifier. The range spans all voice types combined: male bass E2–E5+, tenor roughly C3–C5; female contralto F3–C6+, soprano roughly C4–C6; a countertenor can reach the alto range. A single trained singer spans about two octaves — half of Western song range is decided by the voice itself. The superhuman Diva Dance (The Fifth Element, 1997) was assembled by engineers from Callas singing each note separately.

Sources

• ⭐⭐ 主线：身体里的一整支乐队（本页最该记住的一条） —— 发声机制三段：「lungs（肺）作为气泵——必须产生足够的气流与气压来振动声带」；「vocal folds（声带）振动——调制来自肺部的气流产生声音——肌肉调整声带的长度与张力来『微调』音高与音色」；「articulators（声道器官：舌/腭/颊/唇）articulate 并 filter 来自喉头的声音」；⭐⭐ 一台完整的人体合成器：肺 = 风箱/气泵 · 声带 = 振荡器/簧片（「vocal cords are similar in function to a clarinet reed」）· 声道 = 滤波器 + 放大器（胸腔与头腔共鸣）——⭐⭐ 减法合成的全部三要素，在人身上跑了几万年（对照 moog-modular 条：减法合成 1948 年才被 Harald Bode 命名——原理的「命名」比原理的「存在」晚了几万年）
• ⭐⭐ 先有歌唱，后有语言 —— 「scholars have hypothesized that singing predates spoken language, appearing during the middle Paleolithic era or earlier — there is some evidence that humans developed music first, providing the foundation for spoken language」；⭐⭐ 人声是全站唯一一件「可能比语言更古老」的乐器——也是唯一一件「先于文字」的乐器（对照语言与民歌：中国民歌库里的 12 万首，全是这件乐器的一个切片）
• {'⭐⭐ 声带的物理 —— 「adult male vocal folds 17–25mm；female 12.5–17.5mm」；「three-layer construction': 'epithelium, vocal ligament, vocalis muscle — they can shorten and bulge」；「male voices usually lower-pitched and have larger folds; men also generally have a larger vocal tract, giving a lower-sounding timbre — mostly independent of the folds」；⭐⭐ 音高差是物理的，音色差有一半在共鸣腔——同一个乐器，两种判据'}
• ⭐⭐ 言语即旋律 —— 「speech itself, characterized by both up-and-down pitch inflections and durational variations of individual sounds, could be considered a primitive form of melody」；「the pitches of normal speech are relatively narrow in range, neither a robot-like monotone nor extremes」；⭐⭐ 语言是旋律的化石——日常说话的起伏就是被规训过的旋律（对照民歌库的吟唱性：民歌是「还没被规训完」的言语）
• ⭐⭐ 人声是唯一携带语义的乐器 —— 「Most music for the voice involves the delivery of words」；「Vocal music is often identified as sacred or secular on the basis of its text」；⭐⭐ 全站所有乐器都「无声」，只有人声带来歌词——而 sacred/secular 的划分以 text 为准：乐器的「意义」第一次由文字裁定（对照所有器乐条目按形态分类——人声按文本分类）
• {'⭐⭐ 声部分类 SATB 与两八度 —— 「voices are classified into four basic pitch ranges': "soprano, alto, tenor and bass — SATB」；「additional ranges: mezzo-soprano (between alto and soprano), baritone (between bass and tenor)」；「a countertenor is a male singer with the range of an alto」；「a trained singer has about a two-octave range — most Western songs fit within two octaves」；⭐ castrati：adult male altos and soprani were formally integrated into the choir of St Peter's（历史制度性的「超界」）"}
• ⭐⭐ 音色即文化 —— 「a tight, nasal tone is associated with many Asian and Arabic traditions, whereas opera and gospel singers employ a chest voice with pronounced vibrato」；「the cultivation of a particular vocal timbre is also strongly influenced by aesthetic conventions and personal taste」；⭐⭐ 同一个乐器，不同的美学约定——音色的「好坏」是文化写的，不是物理写的（对照「越 A 越 B 必须查来源」的元规则：连音色都是）
• ⭐⭐ Diva Dance：人的极限与技术的补丁 —— 《第五元素》（1997）的 Diva Dance「supposedly composed beyond the range and ability of humans to sing」；「Eric Serra hired opera singer Maria Callas to sing each note separately, and audio engineers assembled those individual notes in an editing program」；「Jane Zhang later sang the unsingable live on stage」；⭐⭐ 一次 1997 年的「修音高」史前史：先拼接（Callas），后现场（Jane Zhang）——对照 auto-tune 条 Cher《Believe》（1998）：技术与人的极限之战，电影比流行乐早一年打响
• ⭐ 后续路线 —— 本导论之后 11 条：声部分类 · 童声与变声期 · 发声原理 · 美声 · 民族唱法 · 通俗唱法与话筒 · 合唱编制 · 无伴奏合唱 · 约德尔与泛音唱法 · 人声录音与处理 · 嗓音保护

Used for fact-checking only; all prose is original.