[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:07.25,0:00:09.25,Default,,0000,0000,0000,,Gripped with vengeful passion, Dialogue: 0,0:00:09.25,0:00:11.86,Default,,0000,0000,0000,,The Queen of the Night tears \Nacross the stage. Dialogue: 0,0:00:11.86,0:00:14.25,Default,,0000,0000,0000,,She begins to sing her titular aria, Dialogue: 0,0:00:14.25,0:00:19.47,Default,,0000,0000,0000,,one of the most famous sections from\NMozart’s beloved opera, The Magic Flute. Dialogue: 0,0:00:19.47,0:00:21.89,Default,,0000,0000,0000,,The orchestra fills the hall with music, Dialogue: 0,0:00:21.89,0:00:25.46,Default,,0000,0000,0000,,but the queen’s voice soars above \Nthe instruments. Dialogue: 0,0:00:25.46,0:00:28.70,Default,,0000,0000,0000,,Its melody rings out across thousands \Nof patrons, Dialogue: 0,0:00:28.70,0:00:34.30,Default,,0000,0000,0000,,reaching seats 40 meters away— all \Nwithout any assistance from a microphone. Dialogue: 0,0:00:34.30,0:00:38.12,Default,,0000,0000,0000,,How is it possible that this single voice\Ncan be heard so clearly, Dialogue: 0,0:00:38.12,0:00:40.98,Default,,0000,0000,0000,,above the strains of dozens \Nof instruments? Dialogue: 0,0:00:40.98,0:00:44.18,Default,,0000,0000,0000,,The answer lies in the physics of the \Nhuman voice, Dialogue: 0,0:00:44.18,0:00:48.56,Default,,0000,0000,0000,,and the carefully honed technique \Nof an expert opera singer. Dialogue: 0,0:00:48.56,0:00:51.90,Default,,0000,0000,0000,,All the music in this opera house \Noriginates from the vibrations Dialogue: 0,0:00:51.90,0:00:53.46,Default,,0000,0000,0000,,created by instruments— Dialogue: 0,0:00:53.46,0:00:57.62,Default,,0000,0000,0000,,whether it’s the strings of a violin \Nor the vocal folds of a performer. Dialogue: 0,0:00:57.62,0:01:02.75,Default,,0000,0000,0000,,These vibrations send waves into the air, \Nwhich our brains interpret as sound. Dialogue: 0,0:01:02.75,0:01:04.71,Default,,0000,0000,0000,,The frequency of these vibrations–– Dialogue: 0,0:01:04.71,0:01:07.89,Default,,0000,0000,0000,,specifically, the number of \Nwaves per second–– Dialogue: 0,0:01:07.89,0:01:11.39,Default,,0000,0000,0000,,is how our brains determine the \Npitch of a single note. Dialogue: 0,0:01:11.39,0:01:13.69,Default,,0000,0000,0000,,But in fact, every note we hear Dialogue: 0,0:01:13.69,0:01:17.34,Default,,0000,0000,0000,,is actually a combination \Nof multiple vibrations. Dialogue: 0,0:01:17.34,0:01:21.34,Default,,0000,0000,0000,,Imagine a guitar string vibrating at its\Nlowest frequency. Dialogue: 0,0:01:21.34,0:01:22.95,Default,,0000,0000,0000,,This is called the fundamental, Dialogue: 0,0:01:22.95,0:01:27.47,Default,,0000,0000,0000,,and this low pitch is what our ears \Nmostly use to identify a note. Dialogue: 0,0:01:27.47,0:01:32.43,Default,,0000,0000,0000,,But this lowest vibration triggers \Nadditional frequencies called overtones, Dialogue: 0,0:01:32.43,0:01:35.57,Default,,0000,0000,0000,,which layer on top of the fundamental. Dialogue: 0,0:01:35.57,0:01:41.07,Default,,0000,0000,0000,,These overtones break down into specific \Nfrequencies called harmonics, or partials– Dialogue: 0,0:01:41.07,0:01:45.100,Default,,0000,0000,0000,,and manipulating them is how \Nopera singers work their magic. Dialogue: 0,0:01:45.100,0:01:50.32,Default,,0000,0000,0000,,Every note has a set of frequencies that\Ncomprise its harmonic series. Dialogue: 0,0:01:50.32,0:01:55.08,Default,,0000,0000,0000,,The first partial vibrates at twice the \Nfrequency of the fundamental. Dialogue: 0,0:01:55.08,0:01:59.73,Default,,0000,0000,0000,,The next partial is three times the \Nfundamental’s frequency, and so on. Dialogue: 0,0:01:59.73,0:02:03.61,Default,,0000,0000,0000,,Virtually all acoustic instruments \Nproduce harmonic series, Dialogue: 0,0:02:03.61,0:02:08.48,Default,,0000,0000,0000,,but each instrument’s shape and material\Nchanges the balance of its harmonics. Dialogue: 0,0:02:08.48,0:02:15.48,Default,,0000,0000,0000,,For example, a flute emphasizes the \Nfirst few partials, Dialogue: 0,0:02:15.48,0:02:17.61,Default,,0000,0000,0000,,but in a clarinet’s lowest register, Dialogue: 0,0:02:17.61,0:02:21.34,Default,,0000,0000,0000,,the odd-numbered partials \Nresonate most strongly. Dialogue: 0,0:02:21.34,0:02:23.06,Default,,0000,0000,0000,,The strength of various partials Dialogue: 0,0:02:23.06,0:02:27.06,Default,,0000,0000,0000,,is part of what gives each instrument\Nits unique sonic signature. Dialogue: 0,0:02:27.06,0:02:31.22,Default,,0000,0000,0000,,It also affects an instrument’s ability \Nto stand out in a crowd, Dialogue: 0,0:02:31.22,0:02:36.65,Default,,0000,0000,0000,,because our ears are more strongly \Nattuned to some frequencies than others. Dialogue: 0,0:02:36.65,0:02:40.95,Default,,0000,0000,0000,,This is the key to an opera singer’s power\Nof projection. Dialogue: 0,0:02:40.95,0:02:44.80,Default,,0000,0000,0000,,An operatic soprano—the highest \Nof the four standard voice parts— Dialogue: 0,0:02:44.80,0:02:47.63,Default,,0000,0000,0000,,can produce notes with fundamental\Nfrequencies Dialogue: 0,0:02:47.63,0:02:53.05,Default,,0000,0000,0000,,ranging from 250 to 1,500 vibrations \Nper second. Dialogue: 0,0:02:53.05,0:02:55.74,Default,,0000,0000,0000,,Human ears are most sensitive to \Nfrequencies Dialogue: 0,0:02:55.74,0:02:59.74,Default,,0000,0000,0000,,between 2,000 and 5,000 \Nvibrations per second. Dialogue: 0,0:02:59.74,0:03:03.66,Default,,0000,0000,0000,,So if the singer can bring out the \Npartials in this range, Dialogue: 0,0:03:03.66,0:03:08.50,Default,,0000,0000,0000,,she can target a sensory sweet spot \Nwhere she’s most likely to be heard. Dialogue: 0,0:03:08.50,0:03:10.82,Default,,0000,0000,0000,,Higher partials are also advantageous Dialogue: 0,0:03:10.82,0:03:13.54,Default,,0000,0000,0000,,because there’s less competition \Nfrom the orchestra, Dialogue: 0,0:03:13.54,0:03:16.82,Default,,0000,0000,0000,,whose overtones are weaker at \Nthose frequencies. Dialogue: 0,0:03:16.82,0:03:19.50,Default,,0000,0000,0000,,The result of emphasizing these \Npartials Dialogue: 0,0:03:19.50,0:03:24.89,Default,,0000,0000,0000,,is a distinctive ringing timbre \Ncalled a singer’s squillo. Dialogue: 0,0:03:24.89,0:03:28.47,Default,,0000,0000,0000,,Opera singers work for decades to \Ncreate their squillo. Dialogue: 0,0:03:28.47,0:03:30.33,Default,,0000,0000,0000,,They can produce higher frequencies Dialogue: 0,0:03:30.33,0:03:35.28,Default,,0000,0000,0000,,by modifying the shape and tension \Nin their vocal folds and vocal tract. Dialogue: 0,0:03:35.28,0:03:38.54,Default,,0000,0000,0000,,And by shifting the position of their \Ntongues and lips, Dialogue: 0,0:03:38.54,0:03:42.54,Default,,0000,0000,0000,,they accentuate some overtones \Nwhile dampening others. Dialogue: 0,0:03:42.54,0:03:46.56,Default,,0000,0000,0000,,Singers also increase their range of \Npartials with vibrato–– Dialogue: 0,0:03:46.56,0:03:50.84,Default,,0000,0000,0000,,a musical effect in which a note slightly \Noscillates in pitch. Dialogue: 0,0:03:50.84,0:03:53.42,Default,,0000,0000,0000,,This creates a fuller sound that rings \Nout Dialogue: 0,0:03:53.42,0:03:56.68,Default,,0000,0000,0000,,over the instruments’ comparatively\Nnarrow vibratos. Dialogue: 0,0:03:56.68,0:03:58.36,Default,,0000,0000,0000,,Once they have the right partials, Dialogue: 0,0:03:58.36,0:04:01.80,Default,,0000,0000,0000,,they employ other techniques to \Nboost their volume. Dialogue: 0,0:04:01.80,0:04:05.80,Default,,0000,0000,0000,,Singers expand their lung capacity and\Nperfect their posture Dialogue: 0,0:04:05.80,0:04:08.43,Default,,0000,0000,0000,,for consistent, controlled airflow. Dialogue: 0,0:04:08.43,0:04:10.22,Default,,0000,0000,0000,,The concert hall helps as well, Dialogue: 0,0:04:10.22,0:04:14.46,Default,,0000,0000,0000,,with rigid surfaces that reflect sound \Nwaves towards the audience. Dialogue: 0,0:04:14.46,0:04:17.08,Default,,0000,0000,0000,,All singers take advantage of these \Ntechniques, Dialogue: 0,0:04:17.08,0:04:21.34,Default,,0000,0000,0000,,but different vocal signatures demand \Ndifferent physical preparation. Dialogue: 0,0:04:21.34,0:04:24.15,Default,,0000,0000,0000,,A Wagnerian singer needs to build up \Nstamina Dialogue: 0,0:04:24.15,0:04:28.01,Default,,0000,0000,0000,,to power through the composer’s \Nfour-hour epics. Dialogue: 0,0:04:28.01,0:04:31.61,Default,,0000,0000,0000,,While bel canto singers require versatile \Nvocal folds Dialogue: 0,0:04:31.61,0:04:34.41,Default,,0000,0000,0000,,to vault through acrobatic arias. Dialogue: 0,0:04:34.41,0:04:36.81,Default,,0000,0000,0000,,Biology also sets some limits— Dialogue: 0,0:04:36.81,0:04:39.87,Default,,0000,0000,0000,,not every technique is feasible for every\Nset of muscles, Dialogue: 0,0:04:39.87,0:04:42.83,Default,,0000,0000,0000,,and voices change as singers age. Dialogue: 0,0:04:42.83,0:04:46.02,Default,,0000,0000,0000,,But whether in an opera hall or a \Nshower stall, Dialogue: 0,0:04:46.02,0:04:49.17,Default,,0000,0000,0000,,these techniques can turn unamplified \Nvoices Dialogue: 0,0:04:49.17,0:04:51.34,Default,,0000,0000,0000,,into thundering musical masterpieces.