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Topic: Combination tone

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	The Subjective Character of Intervals (Site not responding. Last check: 2007-11-03)
		The combination tone is really problematic only when intonation is not pure, for then it deviates from the simple integral intervallic relationship and brings into prominence the psychic invitation of out-of-tuneness.
		Since combination tones appear as independent new tones, they themselves form new combination tones with the original tones; these new combination tones are called combination tones of the second order, because they are not as loud as combination tones of the first order (fig 86).
		The computation of the curve is a result of the formation of difference tones in each case between one original tone of the scale and one combination tone of the first order.
	users.rcn.com /dante.interport/winckel.html (583 words)

	The Perception of Musical
		In psychoacoustical literature the pitch of a tone is often indicated by its frequency or, in the case of complex tones, by its fundamental frequency.
		This tone has an ambiguous pitch, since two approximations by harmonic series are possible, namely one with a fundamental of 216.6 Hz (the component of 1300 Hz being the sixth harmonic in this case) and one with a fundamental of 185.9 Hz (1300 Hz being the seventh harmonic).
		The diagram illustrates that the combination tones arc stronger for small frequency differences of the primary tones than for large differences; this indicates that the origin of combination tones is tightly connected with the frequency-analyzing process in the inner ear.
	www.zainea.com /raschperception.htm (6337 words)

	Shepard tone - Wikipedia, the free encyclopedia
		A Shepard tone is a sound consisting of a superposition of tones separated by octaves.
		The scale as described, with discrete steps between each tone, is known as the discrete Shepard scale, but, after Shepard, Jean-Claude Risset created a version of the scale where the steps between each tone are continuous, and it is appropriately called the continuous Risset scale or Shepard-Risset glissando.
		Tenney has also proposed that the piece be revised and realized so that all entrances are timed in such a way that the ratio between successive pitches is the golden mean, which would make each lower first order combination tone of each successive pair coincide with subsequently spaced, lower, tones.
	en.wikipedia.org /wiki/Shepard_tone (681 words)

	Chapter 2
		Tones produced by continuous excitation of the vibrating source, such as a blown reed or mouthpiece, or a bowed string, have an onset that is followed by a steady state section, where the energy supplied and expended are in balance for the most part.
		Tones produced by impulsive excitation of the vibrating source, such as plucked string and piano tones, do not possess a steady state.
		During the transient period of an onset of a tone, the processing mechanism in the human brain seems to be able to lock on particular characteristic features of each instrument’s vibration pattern and keep track of them, despite being blurred by the other instrument.
	www.zainea.com /firing.htm (4814 words)

	Developing a Good Tone From the Start
		What might be a loud tone on a trumpet and a loud tone on a violin are two different things.
		Chances are the loudest tone produced on a violin would be considered to be a small tone on a trumpet.
		It is flattering to say of a player he or she has a big tone.
	www.zaretandsonsviolins.com /goodtone.html (2448 words)

	Lecture 019 Timbre II
		These lower tones are not acoustically present in the stimulating signal and they occur as a result of the stimulus consisting of a 'combination' of at least two pure tones and they are known as 'combination tones'.
		Combination tones are perceived quite easily when two musical instruments which produce fairly pure tone outputs, such as the descant recorder, baroque flute or piccolo, whose fo values are high and close in frequency.
		These tones could be individual pure tones, but given the rarity of such sounds in music, they are more likely to be individual frequency components of a note played on one instrument which either mask other components in that note, or frequency components of another note.
	www.santafevisions.com /csf/html/lectures/019_timbre_II.htm (7417 words)

	Paul Hindemith New Theories (Site not responding. Last check: 2007-11-03)
		The presence of combination tones have been known since before the time of Rameau and were similar to the fundamental bass notes he perceived present in all intervals and chords.
		The combination tone of the tritone produces a fifth which combines with the tritone to make a Dominant Seventh chord, in which the two notes of the tritone make up the third and seventh of the chord.
		The presence of combination tones, which were known of at the time of Rameau, has provided Hindemith with empirical evidence that the principle of the inversion of intervals is of a natural origin.
	www.mariotrane.com /pages/hindemith.htm (2564 words)

	Multiplexed dual tone multi-frequency encoding/decoding system for remote control applications - Patent 4670875
		A multiplexed dual tone multi-frequency (DTMF) encoding/decoding system for remote control applications is provided whereby simultaneous combinations of activated switches may control a device at a remote location via a conventional DTMF encoder/decoder system.
		Tone output 7 is connected via any convenient single channel communications link 42 to the signal input 18 of a DTMF receiver 19.
		Thus, the output 29 of third ROM 27 represents the combination of control switches 36 to be activated by activating a combination of switches S1-Sn.
	www.freepatentsonline.com /4670875.html (5907 words)

	Fork Screech Analysis
		A significant amount of energy between 500Hz and 1kHz, a high level tone at 5kHz and harmonics at 12.4kHz and 15.1 kHz was distressing to listen to.
		The one fork with straight tines tended to display more pure tone and pure tone combination behaviour and was less prone to chaotic modes of vibration.
		The most screech resistant combination of fork and plate is a fork of thick metal construction with a straight fork tine profile used on a stoneware plate.
	www.mcsquared.com /screech.htm (1131 words)

	P S Y C H E: Difference Tone Training
		The difference tone is a low note that slowly rises to the pitch of the 1000 hz tone: rising.
		The lower tone will be 0.5% of the intensity of the other two (23 decibels less intense), and its pitch will not be in the vicinity of either the first or the second difference tones of the two higher tones.
		The predicted difference tone is equally likely to be the highest, the lowest, or the middle tone (except when confusion might result from approximating the pitch of another salient combination tone), and the order of the tones is randomized.
	psyche.cs.monash.edu.au /articles/schwitzgebel (6971 words)

	LinseLA's secrets of speaking Thai tones (Site not responding. Last check: 2007-11-03)
		The slight dip is the signal that this is a true rising tone and not a lazy slide from a low to a high tone.
		If Thai speakers were required to make a pure flat "high" tone followed by a pure flat "low" tone just as the Thai guide books imply, then they'd have to literally stop their voice and restart it at each tone at the exact level required.
		If the Thai guide books are correct about tones, then it would be impossible to speak fast and still be able to distinguish a high-low tone combination from a high-falling tone combination.
	linse.org /lynn/thaitone.htm (986 words)

	Hubert Howe, Music 733.2 lab 9 (Site not responding. Last check: 2007-11-03)
		When two tones played simultaneously are close in frequency, they produce beating at the frequency of the difference between their frequencies.
		Chorus tone is an acoustic property defined as characteristics of a sound produced by doubling the instruments playing the melody, but not increasing the overall amplitude.
		Microtonal theorists have traditionally been interested in scales of 19, 31 and 53 tones, because these produce intervals that are almost identical to various overtones, as well as the quarter-tone or 24-tone scale, with an interval between each 12-tone semitone.
	qcpages.qc.cuny.edu /~howe/music733.2/lab9.html (1898 words)

	Combination Tone Theory (Site not responding. Last check: 2007-11-03)
		Since the descending reduction tones are not universally apparent, because of their intermittent appearance, they are mostly sensed as undertones and beat-tone brain pulsations.
		While the universal rise of natural tones proceed from Octave to fifth to fourth (2nd Oct.) to major third and on to smaller and smaller increments until they disappear from hearing range; the resulting summation rise, levels off at PHI or the minor sixth of 1.618 as they ascend beyond hearing.
		The non-harmonic partials produced by resultant tone combinations, being space filling and dependent on amplitude and compression of density, level off to more and more discreet increments of harmonic congruency (PHI).
	www.holistic-resonance.com /tonetheory.html (252 words)

	Titchener Difference Tones Training
		It is generally thought that combination tones are heard as a result of inefficiencies (or "non-linearities") in the ear.
		I am tempted to suggest that the presence of the higher tones creates a context in which the auditory sensation of the g2 difference tone is higher in pitch that of the g2 sounded alone.
		You may pick out the right answer simply because that tone somehow, perhaps ineffably, fits with the experience of the stimulus in the way the others do not; or you might be gaining a sense of the pattern of rising pitch in the difference tones and thus know where to expect one.
	www.faculty.ucr.edu /~eschwitz/SchwitzPapers/TitchDemo030730.htm (5918 words)

	[No title] (Site not responding. Last check: 2007-11-03)
		This cover tone indicates to anyone monitoring the repeater that DTMF tones are being detected (so they don't wonder why the repeater is transmitting but no audio is being heard).
		The tone absent time can be shortened by connecting a diode (1n4148 or other small-signal diode) and resistor (typically 220K) in series with each other, then connecting that combination in parallel with the existing 470K resistor with the diode's cathode toward pin 16 of the M8870 (pin 18 of the M8888, away from the capacitor).
		Other possiblities include not starting the cover tone until a second DTMF tone is received within a certain period of time and canceling the mute immediately (rather than waiting for the DTMF interdigit timer) if the first digit decoded is really short (probably caused by falsing).
	www.link-comm.com /faq/dtmf_voice_falsing.txt (2433 words)

	Jewelry : Collectible : Costume : Rings : All Items on Ruby Lane
		Cute ring showing bright gold tone with faux pearls that may have a faint touch of pink but I am more inclined to consider that the stones, in between the pearls, are causing a different color look and that they are just really normal faux pearls.
		Very nice brooch and combination scarf ring from "ART" that is designed in the shape of a Rams head.
		The ring is in gold tone with the usual vintage condition.
	search.rubylane.com /search/,id=89.3.4.7.html (1216 words)

	: Test Tone Generator, review at WorldSSP.net (Site not responding. Last check: 2007-11-03)
		The Test Tone Generator (TTG) turns the PC into a function generator for testing or demonstration, sound tuning, education, for sound effects and other purposes.
		TG300Latch-Testtm Latch-Testtm is a combination advanced tone generator and continuity tester for sensors, switches and circuits used in security/alarm systems.
		Order online Tone Generator 2 Position switch for single tone or multi signal selection Black & Red test leads, 4 pin modular cable for wire tests or jack tests.
	www.worldssp.net /webinfo_l.asp?proid=2509 (403 words)

	Intestinal Tone- A Combination Of Soluble and Insoluble Fiber
		Intestinal Tone- A Combination Of Soluble and Insoluble Fiber
		Intestinal Tone is particularly effective as part of a Colon Cleansing Program, which includes Activated Charcoal (detoxifying agent) and Herbal Tabs (cleansing agent).
		Intestinal Tone is packaged in a 14-oz container, which yields 63 servings at 1 rounded teaspoon per serving.
	www.liquid-nutrition.com /intestinaltone.html (1434 words)

	Pitch perception: A dynamical-systems perspective (ResearchIndex)
		1e, the difference combination tone # C = # 2 # 1 between two successive partials has the frequency of the missing fundamental # 0.
		[8] demonstrated that the residue cannot be described by a difference combination tone: if we shift all the partials in frequency by the same amount ## (Fig.
		3 spectral encoding of harmonic complex tones in primary audit..
	citeseer.ist.psu.edu /606874.html (471 words)

	New Test-Um tone, line and coax test equipment available from Marsh
		from Test-Um is a combination advanced tone generator and continuity tester for sensors, switches and circuits used in security/alarm systems.
		In addition, it features a DTMF tone capture capability that allows you to see dialed numbers on the line to verify calls outbound.
		It has the ability to put a tone signal on a coax cable, as well as find and identify multiple coax cables connected to a coax splitter.
	www.aedwis.com /newtestum.html (613 words)

	Combination Long Tone Exercise (Site not responding. Last check: 2007-11-03)
		This combination long tone expands intervals outward simultaneously (in contrary motion) with another instrument or section.
		This exercise concludes with the interval of an augmented 4th which creates concert B's at the octave.
		Each combination of instruments creates a different set of tuning and balancing challenges.
	www.kjos.com /band/set_reh_prio/rehear_com.html (83 words)

	The Life of Giuseppe Tartini** (Site not responding. Last check: 2007-11-03)
		Many have credited Tartini with the invention of the combination tone(also known as the third tone or difference tone), whereby the playing of two pitches produces a third pitch whose frequency is the difference between its parent pitches.
		Tartini wanted to perfect his violin play and traveled to Ancona and Cremona.
		It was in Ancona that he discovered the combination tone, and began his life as a composer.
	ccat.sas.upenn.edu /german/course_webpages/devil/grmn256/gtstory.html (341 words)

	1979 Chevrolet C/K Pickup - Mr. Big's Chevrolet "." (Site not responding. Last check: 2007-11-03)
		I5J : TRIM COMBINATION, CLOTH, MED SLATE GRAY (J) (91)
		L5J : TRIM COMBINATION, CLOTH, MED SLATE GRAY (J) (91)
		LAW : TRIM COMBINATION, VINYL, DK CHARCOAL, (W)
	www.cardomain.com /ride/672792 (4659 words)

	Udo Schweizer's Texturing Pages, Fancy Yarn , USING DIFFERENTIAL SHRINKAGE YARNS
		Yarn Character: A two-ply yarn with tone in tone color difference
		The resulting yarn will have a two tone effect, with light and dark flashes.
		The type of tangle jet will influence the looks of the final yarn.
	www.polyspintex.com /ups/text13.htm (171 words)

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