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Topic: Q-analog

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Analog - Wikipedia, the free encyclopedia analog (chemistry), a structural derivative of a parent compound that often differs from it by a single element. analog computer, a computer that uses electrical or mechanical phenomena analog television, a television that uses an analog signal en.wikipedia.org /wiki/Analog   (259 words)

Synthesizer - Wikipedia, the free encyclopedia Synthesizers create sounds through direct manipulation of electrical voltages (as in analog synthesizers), mathematical manipulation of discrete values using computers (as in software synthesizers), or by a combination of both methods. Subtractive synthesizers use a simple acoustic model that assumes an instrument can be approximated by a simple signal generator (producing sawtooth waves, square waves, etc...) followed by a filter which represents the frequency-dependent losses and resonances in the instrument body. Synthesizers traditionally have a keyboard which provides the human interface to the instrument and are often thought of as keyboard instruments. en.wikipedia.org /wiki/Synthesizer   (3560 words)

Analog hole - Wikipedia, the free encyclopedia The term "analog hole" was first popularized by the Motion Picture Association of America and some of its members during speeches and legislative advocacy in 2002; this term later fell into disrepute within the industry, being replaced by "analog reconversion problem" and similar terms. The analog hole (sometimes analog reconversion problem or analog reconversion issue) is a fundamental vulnerability in copy prevention schemes for noninteractive digital content which is intended to be played back using analog means. Although the technical possibility of making digital recordings from analog outputs has existed for some time, it was not necessarily viewed as a "hole" before widespread deployments of DRM in the late 1990s. www.wikipedia.org /wiki/Analog_Hole   (727 words)

Analog Devices - Wikipedia, the free encyclopedia During E³ 2006, it was revealed to the press that Nintendo collaborated with Analog Devices in developing the controller for its new console Wii, incorporating the Analog Devices ADXL330 3-axis linear acceleration sensor[1]. Analog Devices recently collaborated with Source Audio LLC to create the DSP and motion sensor for the motion-controlled HotHand guitar effects unit[2]. Analog Devices is an American multinational producer of semiconductor devices. en.wikipedia.org /wiki/Analog_Devices   (308 words)

Analog computer - Wikipedia, the free encyclopedia An analog(ue) computer are shit as a form of computer that uses electrical or mechanical phenomena to model the problem being solved by using one kind of physical quantity to represent another. An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase. Analog synthesizers can also be viewed as a form of analog computer, and their technology was originally based on electronic analog computer technology. en.wikipedia.org /wiki/Analog_computer   (1462 words)

Analog synthesizer - Wikipedia, the free encyclopedia A very specialized form of analog synthesizer was the analog vocoder, based on equipment developed for speech synthesis. Analog synthesizers were mostly replaced by digital synthesizers and samplers over the late 1980s and early 1990s. In the late 1990s, a fashion emerged for "retro" analog synthesizers, with their proponents claiming that the "analog sound" of old analog synthesizers could not be accurately replicated using samplers or digital synthesizers. www.wikipedia.org /wiki/Analog_synthesizer   (531 words)

Sound recording - Wikipedia, the free encyclopedia An electrical signal, which is analogous to the sound that is to be recorded, is fed to the recording head, inducing a pattern of magnetization similar to the signal. Instead of recording by varying the depth of the groove (vertically), as with the phonograph, the vibration of the recording stylus was across the width of the track (horizontally). Magnetic recording was demonstrated in principle as early as 1898 by Valdemar Poulsen in his telegraphone. en.wikipedia.org /wiki/Sound_recording   (4799 words)

OBGYN.net - Alternatives to Hysterectomy: Endometrial Ablation GnRH analog therapy is particularly helpful, if the patient is anemic, by allowing the hemoglobin to build up during the two months she is not having a menstrual period. GnRH analog therapy may be particularly useful in patients who have an intracavitary or submucous myoma where the most difficult step is to bring the resected myoma out thought the cervix. GnRH analogs, secondly, decrease the uterine volume and the size of myomas, which may allow them to be removed more easily. www.obgyn.net /ah/articles/ablrecfib/ablrecfib.htm   (4799 words)

Analog sampled filter - Wikipedia, the free encyclopedia The analog sampled filter will in its turn need yet another anti-aliasing filter, but this can often be implemented as a simple 1st order low-pass analog filter consisting of one series resistor and one capacitor to ground. An analog sampled filter an electronic filter that is a hybrid between an analog and a digital filter. Distinct analog samples are shifted through an array of holding capacitors as in a bucket brigade. en.wikipedia.org /wiki/Analog_sampled_filter   (222 words)

Electronics - Wikipedia, the free encyclopedia Most analog electronic appliances, such as radio receivers, are constructed from arrays of a few types of circuits. The field of electronics is the study and use of electronic devices that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. The design and construction of electronic circuits to solve practical problems is part of the fields of electronic engineering, electrical, and the hardware design side of computer engineering. en.wikipedia.org /wiki/Electronics   (222 words)

computer. The Columbia Encyclopedia, Sixth Edition. 2001-05 Because of this feature, analog computers were especially useful in the simulation and evaluation of dynamic situations, such as the flight of a space capsule or the changing weather patterns over a certain area. Although analog computers are commonly found in such forms as speedometers and watt-hour meters, they largely have been made obsolete for general-purpose mathematical computations and data storage by digital computers. The computer’s central processor is idle for much of this period, and so two similar techniques are used to use its power more fully. www.bartleby.com /65/co/computer.html   (2296 words)

Analog circuit - Wikipedia, the free encyclopedia An example of a passive analog circuit is a passive filter that limits the amplitude at some frequencies vs. others. An analog circuit (or analogue circuit) is an electric circuit that operates on analog signals. Advantages of an active analog circuit is it can load the signal less, amplify as well as attenuate the signal and by using capacitors in combination with amplifiers it can simulate an inductor. en.wikipedia.org /wiki/Analog_%28circuit%29   (281 words)

Analog stick - Wikipedia, the free encyclopedia An analog stick, often mistakenly referred to as a joystick, is an input device for a controller, often a game controller, that is used for two-dimensional input. Analog sticks are normally intended to be used with the players' thumbs. The use of a second analog stick alleviates problems in many earlier platform games, in which the camera was notorious for bad positioning. en.wikipedia.org /wiki/Analog_stick   (281 words)

Analog recording - Wikipedia, the free encyclopedia Analog recording is the first way humans were able to store sounds for later playback. The analog recording method stored sounds as a continual wave in the media, rather than the discrete numbers used in digital recording. One of the drawback of many analog recordings was the poor fidelity. en.wikipedia.org /wiki/Analog_recording   (212 words)

Analog Pussy - Wikipedia, the free encyclopedia An Analog Pussy live show is energetic, has the feel of a powerful rock concert, and is often an experience that people talk about for years. Analog Pussy has played 'live' in most parts of the world: Germany, UK, Japan, Mexico, USA, Brazil, Canada, Israel, Switzerland, Spain, Russia, the Netherlands, Hungary, Sweden, Denmark, Turkey, Belgium, Austria, Argentina and Chile. Analog Pussy are Jiga and Jinno, a Girl/boy trance duo, Now Located in Germany. en.wikipedia.org /wiki/Analog_Pussy   (641 words)

Electronic filter - Wikipedia, the free encyclopedia A filter in which the signal passes through an inductor, or in which a capacitor provides a path to earth, therefore presents less attenuation to low-frequency signals than high-frequency signals and is a low-pass filter. Another method of filtering, at frequencies from 800MHz to about 5GHz, is to use a synthetic single-crystal garnet sphere made of a chemical combination of titanium, iron and nitrogen. Operational amplifiers are frequently used in active filter designs. en.wikipedia.org /wiki/Filter_(signal_processing)   (1014 words)

Analog computer - Encyclopedia.WorldSearch An analog computer (American English) or analogue computer (British English) is a form of computer using electronic or mechanical phenomena to model the problem being solved by using one kind of physical quantity to represent another. An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase. Analog synthesizers can also be viewed as a form of analog computer, and their technology was originally based on electronic analog computer technology. encyclopedia.worldsearch.com /analog_computer.htm   (816 words)

Analog (disambiguation) - Wikipedia, the free encyclopedia In chemistry, a structural derivative of a parent compound that often differs from it by a single element, see analog (chemistry).   The spelling analog is predominant in American English, whilst analogue is used in Commonwealth English; see og/ogue. However, the spellings given above should be retained in cases where it forms part of a name or is an acronym. en.wikipedia.org /wiki/Analog   (138 words)

Stuffo "How Digital Television Works" Understanding Analog TV To understand digital TV, it is helpful to understand analog TV so that you can see the differences. This is not "digital television"-- it is a normal composite video signal for analog television converted to a digital format for transmission and then converted back to analog for display. The set-top box does receive a digital signal from the satellite or cable; but once received, the signal is converted to an analog signal and sent to your analog TV on channel 3 or 4. stuffo.howstuffworks.com /dtv1.htm   (138 words)

Analog: Facts and details from Encyclopedia Topic An analog synthesizer is a synthesizer that uses analog computer techniques to generate sound electronically.... An analog computer (american english) or analogue computer (british english) is a form of computer using electronic or mechanical phenomena to model... Thumbad on usbin electronics, an analog-to-digital converter (abbreviated adc, a/d, or a to d) is a device that converts continuous signals... www.absoluteastronomy.com /encyclopedia/a/an/analog.htm   (1929 words)

Analog Recording Incidentally, since the record equalization increases the high frequency content of the signal, this clipping will happen to the highs first: that is why a cassette seems to lose its top end response when it is recorded "hot". The distance between spots in a single track is the wavelength of the signal, which depends on the frequency of the signal and the speed of the tape. The center of the bias frequency is distorted, but the original signal, which is the shape of the overall waveform, is clean. arts.ucsc.edu /ems/music/tech_background/TE-19/teces_19.html   (1375 words)

BIBLIOGRAPHY q -analogs of the Watson and Whipple summations. Euler's "Exemplum Memorabile Inductionis Fallacis" and q -trinomial coefficients. Schur's theorem, Capparelli's conjecture and q -trinomial coefficients. www.math.psu.edu /andrews/biblio.html   (1375 words)

Patent 4084256: Sampled data analog multiplier apparatus An analog multiplier for multiplying each sample of an input sequence of samples of an analog signal by a respective multiplying coefficient of a series of coefficients is provided. In the analog multiplying apparatus 10 of FIG. The same analog signals are applied to input circuit 86 of channel A and input circuit 88 of channel B. The same bias voltage is applied from bias voltage source 32 to the input circuits 88 and 89 and also to the lateral drain 34. www.freepatentsonline.com /4084256.html   (1375 words)

Astounding (magazine) - Wikipedia, the free encyclopedia The symbol, apparently invented by Campbell, was said to mean "analogous to". The word "and" was sometimes replaced in the logo by a pseudo-mathematical symbol comprising a horizontal right-pointing arrow piercing an inverted U-shape. Following 8 years of publication under two different editors, the magazine's helm was assumed by John W. Campbell, who took over in 1937. en.wikipedia.org /wiki/Analog_Magazine   (338 words)

Analog decoding - Wikipedia, the free encyclopedia Further action is required to filter and integrate these samples to obtain a continuous approximation of the original signal, because analog decoding does not smooth the signal. In electronics, analog decoding is the portion of the digital-to-analog conversion process that generates an analog signal value from the digital signal that resulted from analog encoding. Note that the term itself does not in any way specify the resulting voltage range, nor if the relationship between the input digital values and the resulting analog voltages is linear or has some other relationship. en.wikipedia.org /wiki/Analog_decoding   (190 words)

Devices, systems and methods for composite signal decoding - Patent 5416843 One digital decoding approach which overcomes the disadvantages inherent with analog decoding circuitry involves converting from the analog to the digital domain the composite FM stereo signal output from the FM discriminator. To decode the digitized composite signal, the phase angle between the sampling frequency and the carrier and pilot signals is calculated. This analog approach is well known in the art and is susceptible to all of the disadvantages inherent with analog signal processing such, problems with noise, drift with temperature, and overall circuit complexity. www.freepatentsonline.com /5416843.html   (3170 words)

Computer Codes Analog computers are built to model the important properties of a system about which a computed result is desired. A major problem with analog computers, one that rules out their use in most cases, is that a computer must be designed and constructed for each different problem. Analog computers are a very small and specialized part of the computing world, which we will henceforth ignore. cs.colgate.edu /faculty/brackett/C150Fa98/Notes150/N01-ComputerCodes.html   (1129 words)

Analog circuit For example, in an analog sound recording, the frequency of a pure tone striking a microphone creates a corresponding variation in the current passing through it. The word "analog" implies an analogy between cause and effect, voltage in andvoltage out, current in and current out, sound in and frequency out. Analog is usually thought of in an electrical context, however mechanical, pneumatic, hydraulic and other systems alsouse analog signals. www.therfcc.org /analog-circuit-42802.html   (454 words)

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