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Topic: Trichord

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	Derived row - Wikipedia, the free encyclopedia
		Rows may derived from a sub-set of any number of pitch classes that is a divisor of 12, the most common being the first three pitches or a trichord.
		For example, since a segment may be equivalent to the generating segment inverted and transposed, say, 6 semitones, when the entire row is inverted and transposed six semitones the generating segment will now consist of the pitch classes of the derived segment.
		O represents the original trichord, RI, retrograde and inversion, R retrograde, and I inversion.
	en.wikipedia.org /wiki/Derived_row (239 words)

	Ajnas
		Trichords are sets of 3 notes, tetrachords are sets of 4 notes, and pentachords are sets of 5 notes.
		A set is a defined as a trichord when the next (4th) note is impossible to predict out of multiple choices, as in the Sikah and Mustaar trichords for example.
		It a variant of the Sikah trichord, with the 2nd note raised by a 1/2 tone.
	www.maqamworld.com /ajnas.html (765 words)

	TELECOM STORIES
		TriChord says in company materials that while cameras are valuable, the data provided by sensors is not affected by fog, rain, snow or other problems that can compromise camera pictures.
		TriChord’s sensors use wireless and wired connectivity and the company is also working with the Virginia Department of Transportation to use information from that agency’s embedded network, sharing data with each other.
		TriChord is also working with Maryland traffic officials to add sensors on that state’s portion of the Beltway and possibly interface with the network of in-place sensors and cameras there.
	www.loudounbusiness.com /901/TELECOM.html (1389 words)

	Times Community Newspapers - Business - 07/02/2003 - Trichord taking mystery out of road travel times (Site not responding. Last check: 2007-10-08)
		Trichord deploys sensors, collects average speed information and fuses that data into information that can be used by retailers to provide traveler information to the public, to commuters, to tourists.
		Trichord's first product was the Traffic Viewer, intended mainly for television and radio stations so that they take the information gleaned from sensors and disseminate it through traffic reports.
		Trichord's second product is the sensors' data stream, which it provides to different retail outlets.
	timescommunity.com /site/tab1.cfm?newsid=9022613&BRD=2553&PAG=461&... (853 words)

	Hifi Choice - Review (Site not responding. Last check: 2007-10-08)
		Trichord has for a long time sold a re-engineered version called the Genesis, originally based on the PD-S504 and later the PD-S505, whose key selling point was an uprated master clock and improved output stage.
		The Trichord Revelation is essentially an enhanced Genesis, and Genesis owners can upgrade to the full Revelation spec for the difference in retail prices (currently £250).
		The display is now synchronised to the master clock to reduce interference, which Trichord claims has had a strong impact on detail resolving ability.
	www.hifichoice.co.uk /archive/perl/124_printreview.htm (541 words)

	Lesson 1 for "Form & Analysis"
		Consider, for example, the first interval of Webern's row: G ascending a M3 to B. The inversion could be produced in two ways: (1) G descending a M3 to Eb, or (2) G ascending a m6 to Eb.
		Observe that inversions of trichord (a) relocate the smaller interval (which had been at the top) to the bottom of the texture.
		Squish trichord (a) PRIME together and play all of its pitches simultaneously, that is, as a chord.
	jan.ucc.nau.edu /~tas3/mus303/operations.html (944 words)

	Demand-Side Economics
		By putting detailed and actionable information into the hands of thousands of Virginia commuters before they hop into their cars and commit themselves to particular routes at particular times, Craig Franklin represents the vanguard of a movement that will empower motorists and businesses to reshape the demand for highway transportation.
		Trichord provided a range of services at first, selling consulting services and acting as a value-added reseller of traffic sensors.
		Trichord negotiated a deal with VDOT, allowing it to deploy its own sensors along Virginia interstates in locations where VDOT didn't already have them, and to share data with the transportation agency.
	www.baconsrebellion.com /Issues03/10-20/Demand_side.htm (2017 words)

	News - WTOP Signs Agreement to Use Trichord Traffic Viewer to Provide Real-Time Traffic Data to Listeners and Online ... (Site not responding. Last check: 2007-10-08)
		Trichord, Inc. of Leesburg, Virginia, and WTOP announced an agreement where Washington's only all-news radio network will use the Trichord Traffic Viewer to enhance its on-air traffic reporting, providing interstate drivers in Northern Virginia with additional real-time information on traffic congestion.
		Trichord's traffic monitoring software archives the data, allowing current estimated travel times to be compared against historical average travel times.
		Trichord shares this combined information with VDOT to enhance the agency's traffic management capabilities.
	www.itsa.org /ITSNEWS.NSF/4e0650bef6193b3e852562350056a3a7/cb1d82c2a72416fa85256d950048189a?OpenDocument (567 words)

	Twelve-Tone Techniques (Site not responding. Last check: 2007-10-08)
		Derived series - a row composed of either trichords or tetrachords, all of which are from the same class.
		The generators, themselves, often are the first trichord of permutations within the magic square.
		As with derived series, this shows that the most important aspect of twelve-tone technique is not the endless cycling through a row but, rather, the emphasis that can be placed on unique features of the row.
	www.cwu.edu /~compose/PostTonal_5.html (304 words)

	SET THEORY, Part 2 Problems
		Which of the twelve trichord set classes (012, 013, 014, 015, 016, 024, 025, 026, 027, 036, 037, and 048) cannot be found in a diatonic scale?
		Using the trichords in exercise 2, let 0 be any pitch except C. Let the notes be in any order except that in exercise 2.
		Write the melodic inversion of the trichord in the first column (1abc), using "C" as a common tone.
	jan.ucc.nau.edu /~krr2/settheory/setprob2.html (944 words)

	Trichord Clock (Site not responding. Last check: 2007-10-08)
		It is widely agreed that the reason that so many manufactures do this is because if a better clock were fitted, it would pitch their units against much more expensive equipment, effectively pricing it out of the major sales area.
		The standard crystal is replaced with a complete circuit including on board regulator and the result is that the timing pulse is much more accurate (Trichord Clock 4 - 0.0005%).
		Trichord Research, or a Trichord Research Dealer will undertake to fit 'Clock 4' or 'Clock 4 Systems' upon request.
	dspace.dial.pipex.com /town/pipexdsl/o/aots86/hifisounds/trichord_clock.htm (1604 words)

	Hifi Choice - Review (Site not responding. Last check: 2007-10-08)
		Trichord was among the first independents to take a standard commercial CD player, in this case from Pioneer, and add proprietary improvements to improve the sound.
		The result is, or should be, a player to satisfy the audiophile at a price otherwise unattainable to a specialist producer.
		So far, however, it is Trichord that has been able to offer a more flexible improvement with two levels of enhancement.
	www.hifichoice.co.uk /archive/perl/151_printreview.htm (574 words)

	NOVACommute.com - Traveler Information for Public Sector Agencies
		The centerpiece of the Trichord Traffic Viewer™ is a "congestion map" - a detailed map of the Washington DC region that shows "at a glance," by color-coding road segments, how fast traffic is moving.
		The Trichord Traffic Viewer™ was developed with the aid of some of the most experienced traffic reporters in the country, and can be used in a "producer / reporter" relationship - a producer can enter information, which is immediately available to all reporters in a given user group.
		This interactivity is particularly useful in the case of road and lane closures, which could be due to construction, a traffic accident, or a structure fire adjacent to the roadway.
	www.novacommute.com /customers/frames/content/pub_sect.htm (1148 words)

	Trichord Research at Signals
		As early advocates of the Clock and latterly DOB upgrades for CD players, we have been dealing with Graham Fowler for most of the last decade.
		Michell power supplies for the turntables are still made by Trichord.
		This is a very fine piece of kit and we are happy to allow customers to try one in their system to find out for themselves.
	www.signals.uk.com /trichordresearch.html (636 words)

	Trichord Research CD plyer upgrades - Clock 4
		Trichord Research claim to have fitted over 12,000 Clock modifications in the last ten years, from CD players and transports ranging in cost from £70 to £10,000.
		Clock 3 features an active crystal oscillator module specially made for Trichord by one of the big UK crystal manufacturers.
		It produces a square wave with extremely fast rise and fall times of 4 nano seconds, thus greatly reducing the window of time available for the generation of jitter.
	www.trichordresearch.com /Clockreview.html (642 words)

	HARDWARE FEATURE
		The Trichord can be bought with or without a built-in amplifier, and plugs straight into the edge connector at the rear of the computer.
		Four programs are provided on tape: 'S' for the Trichord's own programmed sound effects, 'D' and 'G' for producing and utilising user sound effects and a music program called 'M'.
		It's fairly technical stuff and surely really intended for more advanced micro-users who are used to converting from binary code to decimal while brushing their teeth in the morning.
	www.worldofspectrum.org /hardware/feat15.html (631 words)

	Learn more about Lyre in the online encyclopedia. (Site not responding. Last check: 2007-10-08)
		Plutarch says that Olympus and Terpander used but three strings to accompany their recitation.
		As the four strings led to seven and eight by doubling the tetrachord, so the trichord is connected with the hexachord or six-stringed lyre depicted on so many archaic Greek vases.
		We cannot insist on the accuracy of this representation, the vase painters being little mindful of the complete expression of details; yet we may suppose their tendency would be rather to imitate than to invent a number.
	www.onlineencyclopedia.org /l/ly/lyre.html (548 words)

	Trichord Launches Updated SpeedAlerts for Metro Washington Commuters and Fleet Managers
		Because of increased demand, Trichord has added support for corporate accounts and discounts for blocks of subscriptions.
		Trichord processes the data and delivers it through a variety of products used by media outlets, commercial businesses, and public sector agencies.
		Under a Public-Private Partnership with the Virginia Department of Transportation, Trichord has deployed real-time traffic sensors in Northern Virginia and augments data from those sensors with data from VDOT.
	www.theautochannel.com /news/2005/01/26/013518.html (501 words)

	Music and the Major Arcana
		The Trichord System selects five tones (with repetition) from a trichord, or scale of three tones, e.g.
		If a trump's dice roll is M-N (written so that N is greater than or equal to M), then choose M-1 of the lowest tone (of the trichord), N-M of the middle tone, and 6-N of the highest tone.
		Alternately (Trichord), since there are exactly two Xs, two different pitches could be assigned to them, so Victory might be CECCGCC and Love might be CCBACCC.
	www.cs.utk.edu /~mclennan/BA/PT/Music.html (1596 words)

	Trichord Inc. and Montgomery County Chamber of Commerce Provide SpeedAlerts(TM) to Member Companies at Discounted Price (Site not responding. Last check: 2007-10-08)
		LEESBURG, Va., June 21 /PRNewswire/ -- Trichord, Inc. and the Montgomery County Chamber of Commerce are providing a new benefit to the Chamber's member firms -- discounted subscriptions to SpeedAlerts(TM).
		Companies in the Metro Washington area have a new tool to improve their efficiency and help their employees avoid traffic congestion.
		SpeedAlerts(TM), a new subscription service from Trichord, Inc., provides real-time traffic speed information by e-mail and cell phone, for pennies a day.
	www.forrelease.com /D20040621/clm034.P1.06212004100233.17664.html (234 words)

	R and D
		LEESBURG — The New York State Office of General Services has signed a contract with Trichord of Leesburg naming Trichord as a value-added reseller of advanced traffic monitoring and communications equipment.
		Trichord is a value-added reseller of equipment manufactured by SmarTek Systems, whose products include non-embedded traffic monitors such as the SAS-1 passive acoustic sensor that measures lane-by-lane traffic volume, speed, and lane occupancy information vital to state level DOT planning and safety operations.
		Trichord uses SmarTek Systems equipment for real-time traffic monitoring for traveler information and public safety applications.
	www.loudounbusiness.com /dec/randd.htm (1045 words)

	Trichord Inc. Rolls Out SpeedAlerts(TM) -- Personalized Real-Time Traffic Speed Reports for Metro Washington Commuters (Site not responding. Last check: 2007-10-08)
		SpeedAlerts(TM), a new subscription service from Trichord, Inc., provides real-time traffic speed information to the home and workplace by e-mail and cell phone, for pennies a day.
		"Trichord is pleased to add SpeedAlerts(TM) to our line of products that benefit the driving public," said Craig Franklin, Trichord's President.
		Under a Public-Private Partnership with the University of Maryland Center for Advanced Transportation Technology, Trichord uses data from the Maryland State Highway Administration's CHART system.
	www.tmcnet.com /scripts/print-page.aspx?PagePrint=http://www.tmcnet.com/usubmit/2004/jun/1045966.htm (439 words)

	Trichord Dino [English]
		Manufacturer: Trichord - UK Cost: approx 500 Euro (300 UKP)
		Trichord are the electronics arm of Michell engineering and have been responsible for a range of well received pre and power amps and of course phono stages.
		The Dino is their attempt to produce a phono stage that will appeal to the mid-market rather than the high-end.
	www.tnt-audio.com /ampli/trichord-dino_e.html (1068 words)

	TRICHORD CLOCK 2 - Available From Stone Audio UK Ltd
		Trichord have made this board available by request as a low cost option to the superb Clock 3.
		Complete with instuctions on how to fit to your CD player, or, if you do not feel confident about fitting it yourself then contact us to quote doing the job for you.
		This is the product that originally put Trichord Research on the Audiophile map!
	www.stoneaudio.co.uk /stoneaudio/products/details.asp?product=480 (129 words)

	TRICHORD RESEARCH - Available From Stone Audio UK Ltd
		The best advice is to remove any PVC insulated cables from...
		This unit is available as an upgrade for any Diablo phono stage that has been supplied with the small toroidal PSU.
		Trichord Research - Available From Stone Audio UK Ltd
	stoneaudio.co.uk /stoneaudio/products/browser2.asp?manufacturerid=121 (308 words)

	Trichord Dino What Hi-Fi? Review (Site not responding. Last check: 2007-10-08)
		For some, Dino will conjure up images of a baby Ferrari, for others it's Fred Flintstone's pet dinosaur.
		Trichord felt that there was a gap in the market for a phono stage priced below the £535 of its basic Delphini, and so the Dino was created.
		The challenge of course, was to make a cheaper product without sacrificing too much sound quality.
	www.phono-stage-riaa-step-up.com /trichord-dino-review.htm (242 words)

	trichord - a sequence of three musical tones spanning a perfect 4th
		trichord - a sequence of three musical tones spanning a perfect 4th
		A sequence of three [musical] tones spanning a Perfect Fourth.
		Two trichords and a whole tone make a pentatonic scale, from which hexatonic and heptatonic scales may be derived by dividing one of the intervals in each trichord.
	tonalsoft.com /enc/t/trichord.aspx (266 words)

	Trichord Dino (Site not responding. Last check: 2007-10-08)
		Superb Phono stage from Trichord - very clear and convincing sound.
		I've heard Dinos working in some very exotic systems indeed.
		A dc servo circuit is employed to keep the output dc level to a minimum.
	www.cheshireaudio.co.uk /trichord_dino.htm (205 words)

	Audio Asylum Thread Printer (Site not responding. Last check: 2007-10-08)
		A friend of mine tweaked his Marantz 63 a couple of years ago with a Trichord Clock 3, I have also heard about Lclock Xo and last but not least Super Clock, and I don't know what to do, can anybody help me out please?
		In Reply to: Re: Super clock, Trichord Clock 3 or Lclock XO?
		For me, the size (because you are putting a circuit board into a place with loads of potential digital noise), cost and quality of construction are important.
	www.audioasylum.com /scripts/t.pl?f=hirez&m=72204 (769 words)

	Trichord Clock 4 (Site not responding. Last check: 2007-10-08)
		The astonishing Trichord Research Clock 4 is an ultra high
		In short, The Trichord Clock 4 will upgrade your CD player or CD transport to entirely new levels of resolution, sound staging, and
		The Clock 4 is available in kit form complete with instructions for
	www.soundodyssey.com /AudioParts/Clock4.html (176 words)

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