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Ring modulation

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421: 48: 413: 393: 1538: 191:, with the difference that in the latter the modulator is shifted to be positive before being multiplied with the carrier, while in the former the unshifted modulator is multiplied with the carrier. This has the effect that ring modulation of two sine waves having frequencies of 1,500 Hz and 400 Hz will produce as output signal the sum of a sine wave with frequency 1,900 Hz and one with frequency 1,100 Hz. These two output frequencies are known as 1359: 33: 3583: 1454:
to be ring modulated. Oscillator 1 gets modulated by oscillator 3's frequency, oscillator 2 by oscillator 1's frequency, and oscillator 3 by oscillator 2's frequency. Ring modulation is disabled unless the carrier oscillator is set to produce a triangle wave, but the modulating oscillator can be set
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be an ideal square wave at 300 Hz. The output will then include sine waves at 100±300 Hz, 100±900 Hz, 100±1500 Hz, 100±2100 Hz, etc., at decreasing amplitudes according to the Fourier expansion of the carrier square wave. If the carrier frequency is less than twice the upper
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analog telephone channels used ring modulators to modify the spectrum of the audio speech signals. One application is spectral inversion, typically of speech; a carrier frequency is chosen to be above the highest speech frequencies (which are low-pass filtered at, say, 3 kHz, for a carrier of
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the other pair. The conducting pair carries the signal from the left transformer secondary to the primary of the transformer at the right. If the left carrier terminal is positive, the top and bottom diodes conduct. If that terminal is negative, then the side diodes conduct, but create a polarity
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Analog multiplier ICs (such as those made by Analog Devices) would work as ring modulators, of course with regard to such matters as their operating limits and scale factors. Use of multiplier ICs means that the modulation products are largely confined to sum and difference frequency of inputs
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Most of the selections are kept in the rock-jazz climate with the rhythm course being interrupted now and again by an overflowing patch of accumulated layers of electronic and percussive effects (Theme from Jack Johnson, Prelude). In fact, electronic effects appear repeatedly in the form of
1629:. It was a two-tone melody keyboard instrument with foot controllers and later added a second keyboard for timbre control, featuring a white-noise generator, envelope controller, formant filters and ring modulators for harmonics. The early Melochord was extensively used by 1485:
Any DC component of the carrier will degrade the suppression of the carrier and thus in radio applications the carrier is typically transformer- or capacitor-coupled; in low frequency (e.g., audio) applications the carrier may or may not be desired in the output.
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Two oscillators, whose frequencies were harmonically related and ring modulated against each other, produce sounds that still adhere to the harmonic partials of the notes but contain a very different spectral makeup. When the oscillators' frequencies are
1897:. The music on the album is often atonal, with the ring modulator converting the synthesizer's sound into complex metallic timbres. It remains the most experimental released work by the artist, with reviewers calling it "difficult listening at best". 1769:
which produced a clearer sound by eliminating a side band. These devices were designed to be controlled by voltage, compatible with modular synthesizer architecture also advocated by him, and these modules were licensed to
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perhaps 3.3 kHz), and the sum frequencies from the modulator are removed by more low-pass filtering. The remaining difference frequencies have an inverted spectrum: high frequencies become low, and vice versa.
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to generate any of its available waveforms. However, no matter what waveform you set the modulating oscillator to, the ring modulation will always have the effect of modulating a triangle wave with a square wave.
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Imperfections in the diodes and transformers introduce artifacts of the two input signals. In practical ring modulators, this leakage can be reduced by introducing opposing imbalances (
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mixer, where both input signals are suppressed (not present in the output)—the output is composed entirely of the sum of the products of the frequency components of the two inputs.
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A particular elegance of the ring modulator is that it is bidirectional: the signal flow can be reversed allowing the same circuit with the same carrier to be used either as a
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An early application of the ring modulator was for combining multiple analog telephone voice channels into a single wideband signal to be carried on a single cable using
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The ring modulator includes an input stage, a ring of four diodes excited by a carrier signal, and an output stage. The input and output stages typically include
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frequency of the signal then the resulting output signal contains spectral components from both the signal and the carrier that combine in the time domain.
1473:) fed from the square wave outputs of the two oscillators. For the limited case of square or pulse wave signals, this is identical to true ring modulation. 3501: 1589: 1597: 1318:
the diodes in a ring modulator all point in the same clockwise or counterclockwise direction. (See the schematic of a ring modulator in the upper right.)
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stereo signal, and to heterodyne microwave signals in mobile telephone and wireless networking systems. In this case, the circuit is sometimes called a
1558: 2916: 2124:(London: Macmillan Publishers, 2001): "the ring modulator takes its name from the characteristic ring formation of four diodes in its analog circuit." 736: 1550: 1576: 3612: 2593: 2534: 2848: 1912:: "The transformation of the child voice into a clarinet was desired. For this purpose, a pitch detector computes the instantaneous frequency 3562: 2300: 2273: 2246: 1568: 420: 1791: 1271:
The ring modulator was invented by Frank A. Cowan in 1934 and patented in 1935 as an improvement on the invention of Clyde R. Keith at
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fed the signal from his Hammond through a Gibson Ring Modulator unit live on stage, which he described in 1989. Founding member of
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The carrier, which alternates between positive and negative current, at any given time makes one pair of diodes conduct, and
2688: 3281: 2906: 2158: 1851: 1526:. A ring modulator can be used to generate a double-sideband suppressed-carrier (DSB-SC) wave used in radio transmission. 1604:
On lower modulation frequencies, the ring modulation is perceived as a tremolo effect (as in the first part of the sound)
1094:{\displaystyle c(t)=\sin f_{c}t+{\frac {1}{3}}\sin 3f_{c}t+{\frac {1}{5}}\sin 5f_{c}t+{\frac {1}{7}}\sin 7f_{c}t+\ldots } 3476: 3301: 3218: 3142: 2980: 2655:'bruitistic' whizzes and grinds of the synthi resembling a buzz saw and of the guitar steered through a ring modulator. 1283:
for carrying multiple voice signals over telephone cables. It has since been applied to a wider range of uses, such as
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Because the output contains neither the individual modulator or carrier components, the ring modulator is said to be a
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with center-taps towards the diode ring. It is important to note that while the diode ring has some similarities to a
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of the two input waveforms. If the signals are processed digitally, the frequency-domain convolution becomes
2975: 2447:, 2-CD set, Stockhausen Gesamtausgabe/Complete Edition 68A–B (Kürten: Stockhausen-Verlag, 2005): 10 & 51 2379: 1650: 1692:(2003), which ring-modulates flute and trumpet. Other Stockhausen pieces employing ring modulation include 1298:
While the original Cowan patent describes a circuit with a ring of four diodes, later implementations used
3607: 2598: 2407: 1660:(1966) also calls for it. Indeed, several entire compositions by Stockhausen are based around it, such as 727: 3233: 3147: 2661: 1724: 1645: 1523: 929: 392: 2019:. In this case odd harmonics prevail which is similar to the sound of a clarinet in the low register." 1948:
of the voice. Then the child voice passes through a ring modulator, where the frequency of the carrier
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of the frequencies present in each waveform. This process of ring modulation produces a signal rich in
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techniques by simply multiplying the time domain signals, producing a nearly-perfect signal output.
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are combined to yield an output signal. One signal, called the carrier, is typically a
54: 37: 3601: 3568: 3537: 3238: 3172: 3116: 3086: 3023: 3000: 2934: 2629: 2133: 2117: 1905: 1832: 1734: 1673: 1451: 3311: 3271: 3213: 3106: 3076: 3033: 2955: 2528: 2173:"Double Balanced Mixer – Theory; Circuit; Operation – Tutorial – Electronics Notes" 2086: 2032: 1888: 1836: 1809: 1787: 1733:(1956). One of the best-known applications of the ring modulator may be its use by 1447: 200: 162: 157:
is an electronic device for ring modulation. A ring modulator may be used in music
1682:(1970), where the sounds from two pianos are routed through ring modulators; and 1596: 1575: 1557: 3552: 3547: 3506: 3491: 3415: 3400: 3359: 3316: 3132: 2421: 1870: 1856: 1828: 1762: 1626: 1459: 1358: 1342: 1311: 1288: 894: 860: 856: 845:{\displaystyle \sin(u)\,\sin(v)={\frac {1}{2}}\left(\cos(u-v)-\cos(u+v)\right).} 643: 158: 149:; the other signal is typically more complicated and is called the input or the 122: 94:(middle), producing a variation in amplitude of the sine wave-like frequency on 1637:. Meyer-Eppler mentioned the musical application of ring modulator in his book 3542: 3532: 3349: 3137: 3101: 2970: 2965: 1866: 1779: 1750: 1716: 1710: 1613: 1511: 1462:
synthesizer (and a few others from that era as well) the ring modulator is an
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Karlheinz Stockhausen, "Electroacoustic Performance Practice", translated by
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RM, producing a variation in amplitude of the square wave-like frequency on
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will generate its own pair of sidebands that won't be harmonically-related.
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Karlheinz Stockhausen, "Einführung"/"Introduction", English translation by
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One of the earliest musical instruments utilizing a ring modulator was the
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Elektronische Klangerzeugung: Elektronische Musik und synthetische Sprache
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included an optional ring modulator in his first modular synthesizer, the
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originally used to implement this technique takes the shape of a ring: a
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the operation or low-pass filter the signals prior to ring modulation.
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inversion between the transformers. This action is much like that of a
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products can be generated by carefully selecting and changing the
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at increasing regions of the frequency spectrum. For example, let
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and filter was used to assign channels to different frequencies.
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is at least twice the maximum frequency of the modulating signal
3286: 1816: 1327: 2863: 1908:, and in the first section is applied to a child's voice and a 1672:(1965), where the sounds of choral voices are modulated with a 855:
Alternatively, one can use the fact that multiplication in the
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Jazz Forum: The Magazine of the International Jazz Federation
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Harald Bode, "European Electronic Music Instrument Design",
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Ring modulation with an exponential sweep from 0 Hz to 9 kHz
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An example of ring modulation on a sine wave of frequency
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Buchla Electronic Musical Instruments—Historical Overview
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An example of ring modulation on sine waves of frequency
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One of the first products dedicated for music was the
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represent a sine wave at 100 Hz, and the carrier
2573:"A Ring Modulator Device for the Performing Musician" 1981: 1954: 1918: 1891:
to improvise his 1978 avant-garde-experimental album
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synthesizers also featured built-in ring modulators.
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Ludger Brümmer, "Stockhausen on Electronics, 2004",
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in the early days of the electronic music studio at
3525: 3459: 3383: 3330: 3252: 3194: 3171: 3125: 3067: 3009: 2925: 2897: 1869:ran the sounds he played through a ring modulator. 2011: 1967: 1940: 1506:Ring modulation has also been extensively used in 1411:Some modern ring modulators are implemented using 1246: 1215: 1184: 1153: 1123: 1093: 916: 844: 718: 678: 634: 605: 578: 551: 522: 490: 459: 436: 381: 314: 294: 265: 236: 109: 86: 63: 2443:, in booklet accompanying Karlheinz Stockhausen, 2430:34, no. 1 (Winter, 1996): 74–105. Citation on 89. 2116:, page 429, volume 21, second edition, edited by 1723:A ring-modulator was the major component used in 2211:Commodore Programmer's Reference Guide, page 463 1648:used ring modulation in 1956 for some sounds in 2114:The New Grove Dictionary of Music and Musicians 1845:employs the ring modulator heavily in the 1974 1275:. The original application was in the field of 400:Mini-Circuits SBL-1 with four Schottky diodes. 2222:"Synth Secrets, Part 11: Amplitude Modulation" 1794:in the late 1960s, and it became an origin of 1345:, for example in low-cost radio transceivers. 886:harmonically related, ring modulation creates 195:. If one of the input signals has significant 27:Frequency mixing function in signal processing 2875: 2445:Licht-Bilder (3. Szene vom SONNTAG aus LICHT) 1349:Integrated circuit methods of ring modulation 8: 1546:Audio samples of the ring modulation effect: 322:denotes time), ring modulation approximates 3502:Professional Lighting and Sound Association 3092:Comparison of analog and digital recording 2882: 2868: 2860: 2375: 2373: 2295:. Tata McGraw-Hill Education. p. 37. 1334:) switch wired for reversing connections. 363: 2001: 1986: 1980: 1959: 1953: 1923: 1917: 1399:Learn how and when to remove this message 1230: 1199: 1168: 1137: 1115: 1109: 1076: 1053: 1041: 1018: 1006: 983: 971: 944: 908: 902: 774: 755: 738: 710: 697: 691: 670: 657: 651: 618: 597: 591: 570: 564: 535: 506: 480: 449: 429: 334: 307: 278: 249: 220: 99: 76: 56: 1741:to produce the distinctive voice of the 168:The name derives from the fact that the 2328:(4), Canadian Electroacoustic Community 2082: 2080: 2078: 2076: 2074: 2072: 2070: 2068: 2064: 2031:. A ring modulator in combination with 932:and a series of reducing-amplitude odd 408:) and RF 1–500 MHz (ADE-1: 0.5–500 MHz) 2670: 2659: 2388:, pp. 124-125. John Wiley & Sons. 2140:, p. 11. Wm. C. Brown Co. Publishers. 1611: 3563:New Interfaces for Musical Expression 1900:Ring modulation is used in the piece 1808:, one of the earliest ring modulator 1493:, variable resistors or capacitors). 7: 2849:"Effects Explained: Ring Modulation" 2289:T G Thomas S Chandra Sekhar (2005). 1569:Ring modulation with a 2500 Hz sound 1381:adding citations to reliable sources 187:Ring modulation is quite similar to 2618:(photo). Edison Music Corporation. 2594:"Session Transcript: Tom Oberheim" 2366:, (Bonn: Ferdinand Dümmlers, 1949) 1612:Problems playing these files? See 25: 3112:Reel-to-reel audio tape recording 2851:. Harmony Central. Archived from 2825:, p.76-7. John Wiley & Sons. 2537:from the original on 19 July 2011 2112:Richard Orton, "Ring Modulator", 3581: 2487:Harald Bode—A Lifetime for Sound 1790:built a ring modulator unit for 1765:. Also in 1964 he developed the 1594: 1573: 1555: 1357: 870:Ring modulators thus output the 559:are sine waves with frequencies 382:{\displaystyle y(t)=x(t)\;c(t).} 3097:Experimental musical instrument 2318:"Harald Bode—A Short Biography" 2029:frequency-division multiplexing 1887:used a ring modulator with his 1778:started in 1963–1964. In 1963, 1435:distortion, so it is common to 1368:needs additional citations for 1281:frequency-division multiplexing 726:. This is a consequence of the 646:) sine waves, one of frequency 444:and a square wave of frequency 215:Denoting the carrier signal by 133:function, an implementation of 3613:Electronic musical instruments 2750:. SAF Publishing. p. 20. 2634:, DiscoFreq's Effects Database 2385:Introduction to Computer Music 2268:. Firewall Media. p. 83. 1998: 1992: 1935: 1929: 1654:and his realization score for 1241: 1235: 1210: 1204: 1179: 1173: 1148: 1142: 955: 949: 831: 819: 807: 795: 768: 762: 752: 746: 629: 623: 546: 540: 517: 511: 373: 367: 360: 354: 345: 339: 289: 283: 260: 254: 231: 225: 180:. The circuit is similar to a 1: 3282:Electronic musical instrument 2241:. Artech House. p. 336. 1852:Visions of the Emerald Beyond 1812:products for guitarists. The 3588:Record production portal 3477:Institute of Broadcast Sound 2822:DAFX - Digital Audio Effects 2631:Maestro RM-1A Ring Modulator 2316:Rebekkah Palov (July 2011), 2159:"Multipliers vs. Modulators" 3497:Musical Electronics Library 2459:Doctor Who: The Early Years 2265:Analog Communication System 2092:The Computer Music Tutorial 1583:Notice the bell-like sound. 1551:Unprocessed original sample 1302:as the switching elements. 893:If the carrier signal is a 719:{\displaystyle f_{c}-f_{x}} 686:and the other of frequency 679:{\displaystyle f_{c}+f_{x}} 396:Double balanced high level 3639: 3244:Sound reinforcement system 3153:Sound reinforcement system 2527:Tom Rhea (21 March 2011), 2340:"The "Melochord" (1947–9)" 2095:, pp. 220-221. MIT Press. 2023:Analogue telephone systems 2012:{\displaystyle f_{0}(n)/2} 1639:Elektrische Klangerzeugung 1104:and the carrier frequency 244:, the modulator signal by 3577: 3467:Audio Engineering Society 3365:Software effect processor 3345:Digital audio workstation 3186:Digital signal processing 2950:Digital audio workstation 2819:Zölzer, Udo; ed. (2002). 2748:Hawkwind: Sonic Assassins 2721:"Interview with Jon Lord" 2553:, Buchla & Associates 2514:Audio Engineering Society 2427:Perspectives of New Music 2352:(description and history) 2344:The Keyboardmuseum Online 1776:Moog modular synthesizers 1413:digital signal processing 1332:double pole, double throw 273:and the output signal by 3558:Professional audio store 3460:People and organizations 3446:Sound recording engineer 2615:Oberheim Music Modulator 1941:{\displaystyle f_{0}(n)} 1739:BBC Radiophonic Workshop 642:will be the sum of two ( 2976:Microphone preamplifier 2457:Jeremy Bentham (1986), 2411:32, no. 4 (2008):10–16. 2262:Abhishek Yadav (2008). 1767:Bode Frequency Shifter, 1644:Meyer-Eppler's student 1530:Music and sound effects 1522:, one of many possible 199:(which is the case for 36:Schematic diagram of a 3623:Radio modulation modes 2917:Electronic and digital 2799:"Vangelis - Beaubourg" 2772:"Vangelis - Beaubourg" 2599:Red Bull Music Academy 2465:, 1986), p. 127, 2408:Computer Music Journal 2235:Hamish Meikle (2008). 2013: 1969: 1942: 1727:'s music for the film 1541: 1248: 1217: 1186: 1155: 1125: 1095: 918: 846: 728:trigonometric identity 720: 680: 636: 607: 580: 553: 524: 498: 492: 461: 438: 417: 409: 383: 316: 296: 267: 238: 118: 111: 88: 65: 44: 2746:Ian Abrahams (2004). 2530:Harald Bode Biography 2463:W. H. Allen & Co. 2362:Werner Meyer-Eppler, 2200:U.S. patent 1,855,576 2187:U.S. patent 2,025,158 2014: 1970: 1968:{\displaystyle f_{c}} 1943: 1761:developed in 1961 by 1725:Louis and Bebe Barron 1646:Karlheinz Stockhausen 1641:, published in 1949. 1540: 1427:. If the signals are 1249: 1218: 1187: 1156: 1126: 1124:{\displaystyle f_{c}} 1096: 919: 917:{\displaystyle f_{c}} 847: 721: 681: 637: 613:, respectively, then 608: 606:{\displaystyle f_{x}} 581: 579:{\displaystyle f_{c}} 554: 525: 493: 462: 439: 423: 415: 395: 384: 317: 297: 268: 239: 112: 89: 66: 50: 35: 3375:Software synthesizer 3340:Digital audio editor 3126:Playback transducers 2986:Multitrack recording 2646:Trzaskowski, Andrzej 2571:Thomas E. Oberheim, 2292:Communication Theory 2238:Modern Radar Systems 1979: 1952: 1916: 1847:Mahavishnu Orchestra 1796:Oberheim Electronics 1754:, starting in 1963. 1651:Gesang der Jünglinge 1502:Radio communications 1425:circular convolution 1377:improve this article 1247:{\displaystyle c(t)} 1229: 1216:{\displaystyle x(t)} 1198: 1185:{\displaystyle x(t)} 1167: 1154:{\displaystyle x(t)} 1136: 1108: 943: 901: 737: 690: 650: 635:{\displaystyle y(t)} 617: 590: 563: 552:{\displaystyle x(t)} 534: 523:{\displaystyle c(t)} 505: 479: 448: 428: 404:level +7 dBm (1.41 V 333: 306: 295:{\displaystyle y(t)} 277: 266:{\displaystyle x(t)} 248: 237:{\displaystyle c(t)} 219: 211:Simplified operation 189:amplitude modulation 98: 75: 55: 2855:on 1 December 2005. 2350:on 14 November 2007 1792:his musician friend 1759:Bode Ring Modulator 1631:Werner Meyer-Eppler 1306:Circuit description 491:{\displaystyle 12f} 460:{\displaystyle 12f} 110:{\displaystyle 12f} 87:{\displaystyle 12f} 3426:Re-recording mixer 3229:Keyboard amplifier 2945:Binaural recording 2797:McDonald, Steven. 2493:, Harald Bode News 2038:Early attempts at 2009: 1965: 1938: 1859:' 1975 live album 1542: 1510:, for example, to 1446:chip found in the 1431:, this will cause 1244: 1213: 1182: 1151: 1121: 1091: 914: 872:sum and difference 842: 716: 676: 632: 603: 576: 549: 520: 499: 488: 457: 434: 418: 416:Macro of the ADE-1 410: 379: 312: 292: 263: 234: 145:or another simple 119: 107: 84: 61: 45: 40:, showing ring of 3595: 3594: 3401:Guitar technician 3297:Music workstation 3181:Digital recording 3158:Speaker enclosure 3077:8-track cartridge 3019:Phonograph record 2778:. 7 December 2003 2669:Missing or empty 2583:, No. 708 (G-4). 2302:978-0-07-059091-5 2275:978-81-318-0319-6 2248:978-1-59693-243-2 1747:television series 1689:Sonntag aus Licht 1599: 1578: 1560: 1409: 1408: 1401: 1061: 1026: 991: 926:Fourier expansion 782: 437:{\displaystyle f} 315:{\displaystyle t} 131:signal processing 64:{\displaystyle f} 16:(Redirected from 3630: 3618:Frequency mixers 3586: 3585: 3584: 3472:Goji Electronics 3411:Monitor engineer 3370:Software sampler 3277:Electronic drums 3254:Electronic music 3224:Guitar amplifier 3069:Analog recording 3029:Compact cassette 2991:Music production 2899:Music technology 2891:Music technology 2884: 2877: 2870: 2861: 2856: 2834: 2817: 2811: 2810: 2808: 2806: 2794: 2788: 2787: 2785: 2783: 2768: 2762: 2761: 2743: 2737: 2736: 2734: 2732: 2717: 2711: 2710: 2708: 2706: 2685: 2679: 2678: 2672: 2667: 2665: 2657: 2642: 2636: 2635: 2626: 2620: 2619: 2610: 2604: 2603: 2590: 2584: 2582: 2568: 2562: 2561: 2560: 2558: 2545: 2539: 2538: 2524: 2518: 2508: 2502: 2501: 2500: 2498: 2492: 2482: 2476: 2475: 2454: 2448: 2441:Suzanne Stephens 2437: 2431: 2418: 2412: 2403: 2397: 2377: 2368: 2367: 2359: 2353: 2351: 2346:, archived from 2336: 2330: 2329: 2313: 2307: 2306: 2286: 2280: 2279: 2259: 2253: 2252: 2232: 2226: 2225: 2218: 2212: 2209: 2203: 2202: 2196: 2190: 2189: 2183: 2177: 2176: 2169: 2163: 2162: 2155: 2149: 2138:Electronic Music 2131: 2125: 2110: 2104: 2084: 2018: 2016: 2015: 2010: 2005: 1991: 1990: 1974: 1972: 1971: 1966: 1964: 1963: 1947: 1945: 1944: 1939: 1928: 1927: 1730:Forbidden Planet 1625:(1947) built by 1601: 1600: 1580: 1579: 1562: 1561: 1539: 1524:chopper circuits 1520:ring demodulator 1404: 1397: 1393: 1390: 1384: 1361: 1353: 1316:bridge rectifier 1293:electronic music 1277:analog telephony 1253: 1251: 1250: 1245: 1222: 1220: 1219: 1214: 1191: 1189: 1188: 1183: 1160: 1158: 1157: 1152: 1130: 1128: 1127: 1122: 1120: 1119: 1100: 1098: 1097: 1092: 1081: 1080: 1062: 1054: 1046: 1045: 1027: 1019: 1011: 1010: 992: 984: 976: 975: 923: 921: 920: 915: 913: 912: 865:frequency domain 851: 849: 848: 843: 838: 834: 783: 775: 725: 723: 722: 717: 715: 714: 702: 701: 685: 683: 682: 677: 675: 674: 662: 661: 641: 639: 638: 633: 612: 610: 609: 604: 602: 601: 585: 583: 582: 577: 575: 574: 558: 556: 555: 550: 529: 527: 526: 521: 497: 495: 494: 489: 466: 464: 463: 458: 443: 441: 440: 435: 388: 386: 385: 380: 321: 319: 318: 313: 301: 299: 298: 293: 272: 270: 269: 264: 243: 241: 240: 235: 182:bridge rectifier 135:frequency mixing 116: 114: 113: 108: 93: 91: 90: 85: 70: 68: 67: 62: 21: 3638: 3637: 3633: 3632: 3631: 3629: 3628: 3627: 3598: 3597: 3596: 3591: 3582: 3580: 3573: 3521: 3455: 3421:Record producer 3406:Mixing engineer 3379: 3326: 3292:MIDI controller 3267:Circuit bending 3248: 3190: 3167: 3143:Monitor speaker 3121: 3063: 3011:Recording media 3005: 2996:Music sequencer 2981:Monitor speaker 2927:Sound recording 2921: 2893: 2888: 2846: 2843: 2838: 2837: 2818: 2814: 2804: 2802: 2796: 2795: 2791: 2781: 2779: 2770: 2769: 2765: 2758: 2745: 2744: 2740: 2730: 2728: 2725:Modern Keyboard 2719: 2718: 2714: 2704: 2702: 2689:"Lord Almighty" 2687: 2686: 2682: 2668: 2658: 2644: 2643: 2639: 2628: 2627: 2623: 2612: 2611: 2607: 2592: 2591: 2587: 2570: 2569: 2565: 2556: 2554: 2547: 2546: 2542: 2526: 2525: 2521: 2512:Journal of the 2509: 2505: 2496: 2494: 2490: 2484: 2483: 2479: 2473: 2456: 2455: 2451: 2438: 2434: 2419: 2415: 2404: 2400: 2378: 2371: 2361: 2360: 2356: 2338: 2337: 2333: 2315: 2314: 2310: 2303: 2288: 2287: 2283: 2276: 2261: 2260: 2256: 2249: 2234: 2233: 2229: 2220: 2219: 2215: 2210: 2206: 2198: 2197: 2193: 2185: 2184: 2180: 2171: 2170: 2166: 2157: 2156: 2152: 2132: 2128: 2111: 2107: 2085: 2066: 2061: 2049: 2025: 1982: 1977: 1976: 1955: 1950: 1949: 1919: 1914: 1913: 1904:(1988/1997) by 1843:John McLaughlin 1799:Music Modulator 1635:Bonn University 1619: 1618: 1610: 1608: 1607: 1606: 1605: 1602: 1595: 1592: 1586: 1585: 1584: 1581: 1574: 1571: 1565: 1564: 1563: 1556: 1553: 1547: 1543: 1537: 1532: 1508:radio receivers 1504: 1499: 1483: 1417:Intermodulation 1405: 1394: 1388: 1385: 1374: 1362: 1351: 1308: 1285:voice inversion 1269: 1261:double-balanced 1227: 1226: 1196: 1195: 1165: 1164: 1134: 1133: 1111: 1106: 1105: 1072: 1037: 1002: 967: 941: 940: 904: 899: 898: 859:is the same as 788: 784: 735: 734: 706: 693: 688: 687: 666: 653: 648: 647: 615: 614: 593: 588: 587: 566: 561: 560: 532: 531: 503: 502: 477: 476: 446: 445: 426: 425: 407: 398:frequency mixer 331: 330: 304: 303: 275: 274: 246: 245: 217: 216: 213: 137:, in which two 127:ring modulation 96: 95: 73: 72: 53: 52: 28: 23: 22: 15: 12: 11: 5: 3636: 3634: 3626: 3625: 3620: 3615: 3610: 3600: 3599: 3593: 3592: 3578: 3575: 3574: 3572: 3571: 3566: 3560: 3555: 3550: 3545: 3540: 3535: 3529: 3527: 3526:Related topics 3523: 3522: 3520: 3519: 3514: 3509: 3504: 3499: 3494: 3489: 3484: 3482:Lejaren Hiller 3479: 3474: 3469: 3463: 3461: 3457: 3456: 3454: 3453: 3448: 3443: 3441:Sound operator 3438: 3436:Sound follower 3433: 3431:Sound designer 3428: 3423: 3418: 3413: 3408: 3403: 3398: 3393: 3391:Audio engineer 3387: 3385: 3381: 3380: 3378: 3377: 3372: 3367: 3362: 3357: 3352: 3347: 3342: 3336: 3334: 3328: 3327: 3325: 3324: 3319: 3314: 3309: 3304: 3299: 3294: 3289: 3284: 3279: 3274: 3269: 3264: 3258: 3256: 3250: 3249: 3247: 3246: 3241: 3236: 3231: 3226: 3221: 3216: 3211: 3209:Bass amplifier 3206: 3204:Mixing console 3200: 3198: 3192: 3191: 3189: 3188: 3183: 3177: 3175: 3169: 3168: 3166: 3165: 3160: 3155: 3150: 3145: 3140: 3135: 3129: 3127: 3123: 3122: 3120: 3119: 3114: 3109: 3104: 3099: 3094: 3089: 3084: 3079: 3073: 3071: 3065: 3064: 3062: 3061: 3056: 3051: 3046: 3041: 3036: 3031: 3026: 3021: 3015: 3013: 3007: 3006: 3004: 3003: 2998: 2993: 2988: 2983: 2978: 2973: 2968: 2963: 2958: 2953: 2947: 2942: 2940:Mixing console 2937: 2931: 2929: 2923: 2922: 2920: 2919: 2914: 2909: 2903: 2901: 2895: 2894: 2889: 2887: 2886: 2879: 2872: 2864: 2858: 2857: 2847:Scott Lehman. 2842: 2841:External links 2839: 2836: 2835: 2812: 2789: 2763: 2756: 2738: 2727:. January 1989 2712: 2680: 2637: 2621: 2605: 2601:Barcelona 2008 2585: 2578:AES Convention 2563: 2540: 2519: 2517:9 (1961): 267. 2503: 2477: 2471: 2449: 2432: 2413: 2398: 2369: 2354: 2331: 2308: 2301: 2281: 2274: 2254: 2247: 2227: 2213: 2204: 2191: 2178: 2164: 2150: 2134:Strange, Allen 2126: 2105: 2063: 2062: 2060: 2057: 2056: 2055: 2048: 2045: 2024: 2021: 2008: 2004: 2000: 1997: 1994: 1989: 1985: 1962: 1958: 1937: 1934: 1931: 1926: 1922: 1806:Ring Modulator 1669:Mikrophonie II 1609: 1603: 1593: 1588: 1587: 1582: 1572: 1567: 1566: 1554: 1549: 1548: 1545: 1544: 1535: 1534: 1533: 1531: 1528: 1503: 1500: 1498: 1495: 1482: 1479: 1452:triangle waves 1407: 1406: 1365: 1363: 1356: 1350: 1347: 1323:reverse-biases 1307: 1304: 1268: 1265: 1243: 1240: 1237: 1234: 1212: 1209: 1206: 1203: 1181: 1178: 1175: 1172: 1150: 1147: 1144: 1141: 1118: 1114: 1102: 1101: 1090: 1087: 1084: 1079: 1075: 1071: 1068: 1065: 1060: 1057: 1052: 1049: 1044: 1040: 1036: 1033: 1030: 1025: 1022: 1017: 1014: 1009: 1005: 1001: 998: 995: 990: 987: 982: 979: 974: 970: 966: 963: 960: 957: 954: 951: 948: 911: 907: 853: 852: 841: 837: 833: 830: 827: 824: 821: 818: 815: 812: 809: 806: 803: 800: 797: 794: 791: 787: 781: 778: 773: 770: 767: 764: 761: 758: 754: 751: 748: 745: 742: 713: 709: 705: 700: 696: 673: 669: 665: 660: 656: 631: 628: 625: 622: 600: 596: 573: 569: 548: 545: 542: 539: 519: 516: 513: 510: 487: 484: 469:diode-clipping 456: 453: 433: 405: 390: 389: 378: 375: 372: 369: 366: 362: 359: 356: 353: 350: 347: 344: 341: 338: 324:multiplication 311: 291: 288: 285: 282: 262: 259: 256: 253: 233: 230: 227: 224: 212: 209: 170:analog circuit 155:ring modulator 106: 103: 83: 80: 60: 38:ring modulator 26: 24: 18:Ring modulator 14: 13: 10: 9: 6: 4: 3: 2: 3635: 3624: 3621: 3619: 3616: 3614: 3611: 3609: 3608:Audio effects 3606: 3605: 3603: 3590: 3589: 3576: 3570: 3569:Vehicle audio 3567: 3564: 3561: 3559: 3556: 3554: 3551: 3549: 3546: 3544: 3541: 3539: 3538:High fidelity 3536: 3534: 3531: 3530: 3528: 3524: 3518: 3515: 3513: 3510: 3508: 3505: 3503: 3500: 3498: 3495: 3493: 3490: 3488: 3485: 3483: 3480: 3478: 3475: 3473: 3470: 3468: 3465: 3464: 3462: 3458: 3452: 3449: 3447: 3444: 3442: 3439: 3437: 3434: 3432: 3429: 3427: 3424: 3422: 3419: 3417: 3414: 3412: 3409: 3407: 3404: 3402: 3399: 3397: 3394: 3392: 3389: 3388: 3386: 3382: 3376: 3373: 3371: 3368: 3366: 3363: 3361: 3358: 3356: 3353: 3351: 3348: 3346: 3343: 3341: 3338: 3337: 3335: 3333: 3329: 3323: 3320: 3318: 3315: 3313: 3310: 3308: 3305: 3303: 3300: 3298: 3295: 3293: 3290: 3288: 3285: 3283: 3280: 3278: 3275: 3273: 3270: 3268: 3265: 3263: 3260: 3259: 3257: 3255: 3251: 3245: 3242: 3240: 3237: 3235: 3232: 3230: 3227: 3225: 3222: 3220: 3217: 3215: 3212: 3210: 3207: 3205: 3202: 3201: 3199: 3197: 3193: 3187: 3184: 3182: 3179: 3178: 3176: 3174: 3173:Digital audio 3170: 3164: 3161: 3159: 3156: 3154: 3151: 3149: 3146: 3144: 3141: 3139: 3136: 3134: 3131: 3130: 3128: 3124: 3118: 3117:Tape recorder 3115: 3113: 3110: 3108: 3105: 3103: 3100: 3098: 3095: 3093: 3090: 3088: 3087:Cassette deck 3085: 3083: 3080: 3078: 3075: 3074: 3072: 3070: 3066: 3060: 3057: 3055: 3052: 3050: 3047: 3045: 3042: 3040: 3037: 3035: 3032: 3030: 3027: 3025: 3024:Magnetic tape 3022: 3020: 3017: 3016: 3014: 3012: 3008: 3002: 3001:Outboard gear 2999: 2997: 2994: 2992: 2989: 2987: 2984: 2982: 2979: 2977: 2974: 2972: 2969: 2967: 2964: 2962: 2959: 2957: 2954: 2951: 2948: 2946: 2943: 2941: 2938: 2936: 2935:Audio channel 2933: 2932: 2930: 2928: 2924: 2918: 2915: 2913: 2910: 2908: 2905: 2904: 2902: 2900: 2896: 2892: 2885: 2880: 2878: 2873: 2871: 2866: 2865: 2862: 2854: 2850: 2845: 2844: 2840: 2832: 2831:9780471490784 2828: 2824: 2823: 2816: 2813: 2800: 2793: 2790: 2777: 2773: 2767: 2764: 2759: 2757:9780946719693 2753: 2749: 2742: 2739: 2726: 2722: 2716: 2713: 2700: 2696: 2695: 2690: 2684: 2681: 2676: 2663: 2656: 2651: 2647: 2641: 2638: 2633: 2632: 2625: 2622: 2617: 2616: 2609: 2606: 2602: 2600: 2595: 2589: 2586: 2581: 2580:38 (May 1970) 2579: 2574: 2567: 2564: 2552: 2551: 2544: 2541: 2536: 2532: 2531: 2523: 2520: 2516: 2515: 2507: 2504: 2489: 2488: 2481: 2478: 2474: 2472:0-491-03612-4 2468: 2464: 2460: 2453: 2450: 2446: 2442: 2436: 2433: 2429: 2428: 2423: 2417: 2414: 2410: 2409: 2402: 2399: 2395: 2394:9780470714553 2391: 2387: 2386: 2381: 2380:Collins, Nick 2376: 2374: 2370: 2365: 2358: 2355: 2349: 2345: 2341: 2335: 2332: 2327: 2323: 2319: 2312: 2309: 2304: 2298: 2294: 2293: 2285: 2282: 2277: 2271: 2267: 2266: 2258: 2255: 2250: 2244: 2240: 2239: 2231: 2228: 2223: 2217: 2214: 2208: 2205: 2201: 2195: 2192: 2188: 2182: 2179: 2174: 2168: 2165: 2160: 2154: 2151: 2147: 2146:0-697-03612-X 2143: 2139: 2135: 2130: 2127: 2123: 2119: 2118:Stanley Sadie 2115: 2109: 2106: 2102: 2101:9780262680820 2098: 2094: 2093: 2088: 2083: 2081: 2079: 2077: 2075: 2073: 2071: 2069: 2065: 2058: 2054: 2051: 2050: 2046: 2044: 2041: 2036: 2034: 2030: 2022: 2020: 2006: 2002: 1995: 1987: 1983: 1960: 1956: 1932: 1924: 1920: 1911: 1907: 1906:Luciano Berio 1903: 1898: 1896: 1895: 1890: 1886: 1882: 1880: 1876: 1872: 1868: 1864: 1863: 1858: 1854: 1853: 1848: 1844: 1840: 1838: 1834: 1833:Rhodes Chroma 1830: 1826: 1822: 1818: 1815: 1811: 1807: 1805: 1800: 1797: 1793: 1789: 1785: 1781: 1777: 1773: 1768: 1764: 1760: 1755: 1753: 1752: 1748: 1744: 1740: 1736: 1735:Brian Hodgson 1732: 1731: 1726: 1721: 1719: 1718: 1713: 1712: 1707: 1706: 1701: 1700:Mikrophonie I 1697: 1696: 1691: 1690: 1685: 1681: 1680: 1675: 1674:Hammond organ 1671: 1670: 1665: 1664: 1659: 1658: 1653: 1652: 1647: 1642: 1640: 1636: 1632: 1628: 1624: 1617: 1615: 1591: 1570: 1552: 1529: 1527: 1525: 1521: 1517: 1513: 1509: 1501: 1496: 1494: 1492: 1487: 1480: 1478: 1474: 1472: 1469: 1466:(formed from 1465: 1461: 1456: 1453: 1449: 1445: 1440: 1438: 1434: 1430: 1426: 1422: 1418: 1414: 1403: 1400: 1392: 1389:February 2015 1382: 1378: 1372: 1371: 1366:This section 1364: 1360: 1355: 1354: 1348: 1346: 1344: 1340: 1335: 1333: 1329: 1324: 1319: 1317: 1313: 1305: 1303: 1301: 1296: 1294: 1290: 1286: 1282: 1278: 1274: 1266: 1264: 1262: 1257: 1254: 1238: 1232: 1223: 1207: 1201: 1192: 1176: 1170: 1161: 1145: 1139: 1116: 1112: 1088: 1085: 1082: 1077: 1073: 1069: 1066: 1063: 1058: 1055: 1050: 1047: 1042: 1038: 1034: 1031: 1028: 1023: 1020: 1015: 1012: 1007: 1003: 999: 996: 993: 988: 985: 980: 977: 972: 968: 964: 961: 958: 952: 946: 939: 938: 937: 935: 931: 928:contains the 927: 909: 905: 897:of frequency 896: 891: 889: 885: 879: 877: 873: 868: 866: 862: 858: 839: 835: 828: 825: 822: 816: 813: 810: 804: 801: 798: 792: 789: 785: 779: 776: 771: 765: 759: 756: 749: 743: 740: 733: 732: 731: 729: 711: 707: 703: 698: 694: 671: 667: 663: 658: 654: 645: 644:phase-shifted 626: 620: 598: 594: 571: 567: 543: 537: 514: 508: 485: 482: 474: 470: 454: 451: 431: 422: 414: 403: 399: 394: 376: 370: 364: 357: 351: 348: 342: 336: 329: 328: 327: 325: 309: 286: 280: 257: 251: 228: 222: 210: 208: 206: 202: 198: 194: 190: 185: 183: 179: 175: 171: 166: 164: 160: 156: 152: 148: 144: 140: 136: 132: 128: 124: 104: 101: 81: 78: 58: 49: 43: 39: 34: 30: 19: 3579: 3312:Sound module 3272:Drum machine 3214:Effects unit 3107:Player piano 3034:Compact disc 2956:Effects unit 2853:the original 2820: 2815: 2803:. Retrieved 2792: 2780:. Retrieved 2775: 2766: 2747: 2741: 2729:. Retrieved 2724: 2715: 2703:. Retrieved 2698: 2692: 2683: 2671:|title= 2662:cite journal 2653: 2649: 2640: 2630: 2624: 2614: 2608: 2597: 2588: 2576: 2566: 2555:, retrieved 2549: 2543: 2529: 2522: 2511: 2506: 2495:, retrieved 2486: 2480: 2458: 2452: 2444: 2435: 2425: 2416: 2406: 2401: 2383: 2363: 2357: 2348:the original 2343: 2334: 2325: 2321: 2311: 2291: 2284: 2264: 2257: 2237: 2230: 2216: 2207: 2194: 2181: 2167: 2153: 2137: 2129: 2122:John Tyrrell 2113: 2108: 2090: 2087:Curtis Roads 2037: 2033:carrier wave 2026: 1901: 1899: 1892: 1889:Yamaha CS-80 1883: 1865:, guitarist 1860: 1850: 1841: 1837:Yamaha CS-80 1802: 1798: 1788:Tom Oberheim 1766: 1758: 1756: 1749: 1728: 1722: 1715: 1714:(1967), and 1709: 1703: 1699: 1693: 1687: 1686:(2002) from 1684:Licht-Bilder 1683: 1677: 1667: 1661: 1655: 1649: 1643: 1638: 1622: 1620: 1519: 1505: 1497:Applications 1490: 1488: 1484: 1475: 1464:XOR function 1457: 1448:Commodore 64 1441: 1410: 1395: 1386: 1375:Please help 1370:verification 1367: 1336: 1331: 1320: 1312:transformers 1309: 1297: 1289:transceivers 1270: 1260: 1258: 1225: 1194: 1163: 1132: 1103: 892: 883: 880: 869: 854: 500: 472: 468: 214: 201:square waves 186: 177: 167: 163:effects unit 159:synthesizers 154: 126: 120: 29: 3553:Music store 3548:Home cinema 3507:Robert Moog 3492:Max Mathews 3416:Piano tuner 3384:Professions 3360:Scorewriter 3317:Synthesizer 3133:Loudspeaker 2461:, (London: 2422:Jerome Kohl 1871:Deep Purple 1857:Miles Davis 1763:Harald Bode 1627:Harald Bode 1481:Limitations 1460:ARP Odyssey 1450:allows for 1343:demodulator 930:fundamental 895:square wave 888:inharmonics 861:convolution 857:time domain 153:signal. A 123:electronics 3602:Categories 3543:Home audio 3533:Audiophile 3350:GarageBand 3196:Live music 3138:Headphones 3102:Phonograph 2971:Microphone 2966:Headphones 2912:Electrical 2907:Mechanical 2801:. AllMusic 2776:Synthtopia 2731:21 January 2705:21 January 2557:27 January 2497:27 January 2059:References 1975:is set to 1867:Pete Cosey 1780:Don Buchla 1774:for their 1751:Doctor Who 1717:Kurzwellen 1711:Prozession 1614:media help 1512:demodulate 1471:NAND gates 1437:oversample 178:diode ring 161:and as an 71:(top) and 3307:Sequencer 3234:PA system 3163:Subwoofer 3148:PA system 3082:Amplifier 3044:Hard disk 2961:Equalizer 2805:26 August 2782:26 August 2322:EContact! 1894:Beaubourg 1784:Model 100 1772:R.A. Moog 1657:Telemusik 1623:Melochord 1421:frequency 1339:modulator 1273:Bell Labs 1089:… 1067:⁡ 1032:⁡ 997:⁡ 965:⁡ 934:harmonics 817:⁡ 811:− 802:− 793:⁡ 760:⁡ 744:⁡ 704:− 197:overtones 193:sidebands 151:modulator 143:sine wave 3355:ProTools 3332:Software 3322:Theremin 3262:Chiptune 3219:Foldback 3049:MiniDisc 2694:Keyboard 2648:(1976). 2535:archived 2382:(2010). 2136:(1972). 2089:(1996). 2053:Theremin 2047:See also 2040:securing 1910:clarinet 1885:Vangelis 1879:Hawkwind 1875:Jon Lord 1825:ARP 2600 1821:Synthi A 1720:(1968). 1708:(1969), 1702:(1964), 1698:(1960), 1695:Kontakte 1433:aliasing 1429:wideband 1287:, radio 924:, whose 876:partials 205:harmonic 147:waveform 117:(bottom) 3451:Tape op 3302:Sampler 1862:Agharta 1829:Odyssey 1804:Maestro 1786:. 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Index

Ring modulator

ring modulator
diodes

electronics
signal processing
frequency mixing
signals
sine wave
waveform
modulator
synthesizers
effects unit
analog circuit
diodes
bridge rectifier
amplitude modulation
sidebands
overtones
square waves
harmonic
multiplication

frequency mixer
LO


phase-shifted
trigonometric identity

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