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Topic: Sound synthesis

Related Topics

FM synthesis

Additive synthesis

Frequency modulation synthesis

Physical modelling synthesis

ADSR

Subtractive synthesis

Moog

Software synthesizer

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Harmonic series (music)

Acoustics

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	Subtractive synthesis - Wikipedia, the free encyclopedia
		Subtractive synthesis is a method of subtracting overtones from a sound via sound synthesis, characterised by the application of an audio filter to an audio signal.
		Subtractive synthesis is historically associated with analogue voltage controlled synthesizers such as the moog or the minimoog due to the simple circuitry required to generate the most common source signals: square waves, pulse waves, sawtooth waves and triangle waves.
		If you "synthesize" a "jet plane landing" sound you are doing so mostly by using the shape of your mouth to filter the white noise into pink noise by removing the higher frequencies.
	en.wikipedia.org /wiki/Subtractive_synthesis (674 words)

	ipedia.com: Acoustics Article (Site not responding. Last check: 2007-10-08)
		Aeroacoustics is the study of how sound and gas flow interact and has particular application to aeronautics, examples being the study of sound made by jets and the physics of shock waves (sonic booms).
		Biomedical Acoustics is the study of the use of sound in medicine, for example the use of ultrasound for diagnostic and therapeutic purposes.
		Physical Acoustics is the study of the detailed interaction of sound with materials and fluids and includes, for example, sonoluminescence (the emission of light by bubbles in a liquid excited by sound) and thermoacoustics (the interaction of sound and heat).
	www.ipedia.com /acoustics.html (1049 words)

	3D Sound Synthesis
		Sounds in the real world are the combination of the original sound source plus their reflections from surfaces in the world (floors, walls, tables, etc.).
		The sound rendering technique approximates this by capitalizing on the fact that the wavelength of the sound is similar to that of the object, and thus, is diffuse in its reflections.
		Sound cues have been used to alleviate this problem; hearing the sound of the button being pushed gave users the immediate feedback needed to know that their actions were indeed successful.
	www.hitl.washington.edu /scivw/EVE/I.B.1.3DSoundSynthesis.html (2770 words)

	Sound synthesis by physical modelling ... (Site not responding. Last check: 2007-10-08)
		Sound synthesis is not any longer only a means to extend the instrumental sound repertoire but a specific way of conceiving music.
		Given that the same sound can usually be synthesized by several models, this choice is not only dependent on the models ability to represent a particular real or imaginary sound but also on the perspectives or the potential of musical development [3] a certain model offers in a concrete compositional situation.
		But the major advantage of modal synthesis (besides efficiency of calculation) is that the frequencies and the damping coefficients of the modes of vibration are represented explicitly in the model [5].
	viswiz.gmd.de /~eckel/publications/eckel95b.html (2448 words)

	Synthesizer -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-08)
		When natural tonal instruments' sounds are analyzed in the (The number of occurrences within a given time period (usually 1 second)) frequency domain, the (Click link for more info and facts about spectra) spectra of tonal instruments exhibit amplitude peaks at the (The study of musical sound) harmonics.
		FM synthesis is fundamentally a type of additive synthesis and the filters used in subtractive synthesizers were typically not used in FM synthesizers until the mid- (The decade from 1990 to 1999) 1990s.
		Chowning's patent covering FM sound synthesis was licensed to giant Japanese manufacturer (Click link for more info and facts about Yamaha) Yamaha, and made millions for Stanford during the (The decade from 1980 to 1989) 1980s.
	www.absoluteastronomy.com /encyclopedia/s/sy/synthesizer.htm (4191 words)

	NetSound ICMC96 Paper
		NetSound is a sound and music description system, currently prototyped in Csound, in which sound streams are described by decomposition into a sound-specification description representing arbitrarily complex signal processing algorithms, and event lists comprising scores or MIDI files; as such, NetSound is an example of Model-Based Audio.
		Object-based representations for sound synthesis can be thought of as a series of audio processing building blocks that are threaded into a signal processing network for each class of sound.
		The synthesis template library includes a version of FM synthesis, granular synthesis for sound textures, fof synthesis for voice, karplus-strong/waveguide synthesis for physical modeling, and additive synthesis or phase-vocoder for detailed control over sound resynthesis.
	xenia.media.mit.edu /~mkc/icmc96/icmc96.html (1415 words)

	Types of Synthesis - The Sonic Spot
		Sound grains are relatively short segments of audio (usually from 10 to 100ms) that consist of frequency information in the form of a group of samples.
		The sound grains are played in a variable sequence with different variations on the amplitude, individual sound grain durations and total duration of the sequence of sound grains to form a final output sound/instrument.
		Wavetable synthesis in the form of envelopes and modulators are often combined with AM synthesis to add some variation to otherwise repetitive sounding output.
	www.sonicspot.com /guide/synthesistypes.html (930 words)

	Current Perspectives in the Digital Synthesis of Musical Sounds
		One way of understanding Smith's classification is to speak of methods of synthesis as digital techniques which allow the achievement of a sonority continuum which goes from the reproduction of pre-existing sounds (recordings) to the generation of sounds from an absolute abstraction (imagined sounds), with all the intermediate steps.
		To obtain the sound of a string, instead of specifying the physical properties, we describe the timbre or spectral characteristics of the string sound.
		To synthesize sounds, we generally wish to model a whole family of timbres, for example, an instrument, and this can be achieved by analyzing isolated notes and transitions between notes played with an instrument, and building a data base which characterizes a whole instrument or any family of timbres, from which we synthesize new sounds.
	www.iua.upf.es /~xserra/articles/current (3104 words)

	Digital Sound Synthesis Using FM
		However, most people consider synthetic sounds to be those produced through the use of electronic devices, and as digital sound synthesis grew of the these techniques, such will be referred to as synthetic sounds.
		Special sound effects are an important topic associated with sound synthesis because almost all synthesis techniques use some sort of wave form as a base and modify it to create the desired sound.
		As a device for use in sound synthesis, the tape recorder is important because it gives a way for a permanent record of a live performance or composition to be created.
	www.wam.umd.edu /~mphoenix/dss/dss.html (2472 words)

	Clark Synthesis Tactile Sound U.S.A.
		Tactile sound reproduction has a solid basis in psychophysiological research and is used extensively in military and other applications.
		The range of tactile sound, as identified by Clark Synthesis, is from approximately 1Hz to 800Hz.
		The Clark Tactile Sound Transducer (TST) is essentially a special loudspeaker driver designed to vibrate a large, heavy structure—such as a chair or a floor—instead of a small, light speaker diaphragm.
	www.clarksynthesis.com /whatis.php (2653 words)

	Musical Sound Modeling with Sinusoids plus Noise
		The synthesis procedure is a combination of additive synthesis for the sinusoidal part, and subtractive synthesis for the noise part.
		To synthesize sounds we generally want to model an entire timbre family, i.e., an instrument, and that can be done by analyzing single tones and isolated note transitions performed on an instrument, and building a data base that characterizes the whole instrument or any desired timbre family, from which new sounds are synthesized.
		In the case of the sound processing application the goal is to manipulate any given sound, that is, not being restricted to isolated tones and not requiring a previously built data-base of analyzed data.
	www.iua.upf.es /~xserra/articles/msm (404 words)

	Music synthesis approaches sound quality of real instruments
		Now, just as the FM synthesis patent has expired, a new and improved synthesis technique developed by his colleague Julius O. Smith III is providing the basis for a new generation of sophisticated electronic synthesizers.
		With the growth of "multimedia" in the computer world, Yamaha FM synthesis chips have found their way into a large number of the sound boards that give personal computers the ability to reproduce voices and music.
		Because the sound propagation in tubular instruments like flutes, clarinets and trumpets is very similar to what happens with a string, by adding a simple simulation of what takes place at the mouthpiece or reed, Smith was able to simulate the sounds of these instruments as well.
	www.stanford.edu /dept/news/pr/94/940607Arc4222.html (1856 words)

	Sound Synthesis - The Sonic Spot
		Sound Synthesis is the process of generating sound from a network of one or more analog or digital "circuits".
		are usually one of the first circuits in a sound synthesis network because they are used to generate a raw repeating signal/waveform.
		They control the evolution of the sound from the time it is started through all of it's stages until the sound finally stops.
	www.sonicspot.com /guide/synthesis.html (475 words)

	Sound_Synthesis
		A process called digital sound synthesis can also be used to produce sound by means of a computer.
		The computer is programmed to generate numbers or samples which describe the pressure function of the desired sound.
		Digital sound synthesis is termed real-time when the samples are calculated at the same time as the sound is heard, or with a very short intervening delay.
	www.sfu.ca /sonic-studio/handbook/Sound_Synthesis.html (375 words)

	Sound Synthesis Book (Site not responding. Last check: 2007-10-08)
		Computer sound synthesis is becoming increasingly attractive to a wide range of musicians.
		The sound processing power of the computer is increasing and any personal computer will soon be able to run software in real-time, capable of synthesising sounds using every possible technique.
		The art of sound synthesis is as important for the electronic musician as the art of orchestration is important for symphonic music composers.
	website.lineone.net /~edandalex/syntbook.htm (320 words)

	Basic Sound Synthesis - Part 1
		The type of synthesis to be discussed is Subtractive Synthesis, as found on virtually all analogue machines from the Moog onwards.
		If the aim in sound synthesis is to create 'living' sounds then a synthesizer must he able to control the three basic elements.
		The timbre that this produces is characterised by a mellow sound similar to a clarinet.
	www.fortunecity.com /emachines/e11/86/synth1.html (1104 words)

	Linux Links - The Linux Portal: Software/Multimedia/Sound_Synthesis
		A sound synthesis system, the main aim of which is to try and stimulate the user's creativity.
		This sound program, which is organized as a simple command line execution based server, is written in C, and contains a additive synthesis core based on in main memory sound sample memory.
		Wave field synthesis of new dimensions of electronic music in realtime: WONDER is designed to provide an interface between a wave field synthesis system and the software or hardware composers and performers of electronic music are used to.
	www.linuxlinks.com /Software/Multimedia/Sound_Synthesis (1034 words)

	Clark Synthesis Tactile Sound U.S.A.
		Clark Synthesis Tactile Sound U.S.A. Announcing the New TST239!
		Clark Synthesis Tactile Sound is pleased to endorse Bravo!, home theater seating specifically designed for consumers who want the ultimate home theater sensory experience.
		Tactile Sound Transducers effectively increase the proportion of sound you hear and feel through bone conduction.
	www.clarksynthesis.com (212 words)

	Operating Systems Latency Measurement and Analysis for Sound Synthesis and Processing Applications
		There is increasing interest in using PC and Workstation platforms in reactive sound synthesis and processing applications.
		These signals and synthesized sound outputs are synchronously analyzed or recorded using standard multichannel audio recording tools, such as an ADAT recorder connected to an SGI O2 computer.
		The original thought behind the latency measurement tools was to use them to tune sound synthesis software on each platform towards the latency goal of 10 ± 1mS.
	www.cnmat.berkeley.edu /ICMC97/papers-html/Latency.html (1226 words)

	The vOICe Interactive Visual Sound Applet ♫ Draw your own Sound!
		For mono sounds, the waveform in the left channel (green curve) will be identical to the waveform in the right channel (red curve).
		Wavetable synthesis is used for the applet visual sound frame sequencing.
		It appears that Sun's Java 1.3 sound synthesis is no longer downward compatible with respect to the sound synthesis options existing in older Java versions like 1.2, 1.1 and 1.02.
	www.seeingwithsound.com /javoice.htm (3456 words)

	Frequently Asked Questions
		Sun's reference implementation for the Java Sound API, also known as the Java Sound engine, is a 64 channel audio rendering and MIDI controlled sound synthesis engine which offers reliable, high quality sound on all Java 2 Platforms.
		The full featured Java Sound API is also available as part of the Java Media Framework 2.x for use on older JDK 1.x platforms.
		Java Sound can be used in conjunction with the Java Media Framework API software (JMF) to stream audio data over the network.
	java.sun.com /products/java-media/sound/techReference/javasoundfaq.html (771 words)

	Sound Synthesis II: Inharmonic Analysis
		The number of sinewaves extracted from the sound at any given point in the soundfile can be specified as a fuction in the nSines analysis parameter.
		The following example starts with one sinewave at any given time in the analysis, then at 10% of the way into the file, 2 sinewaves are permitted, then at 20% of the way into the file, 3 sinewaves are permitted, and so on.
		Timestretch a harmonic instrument (or voice) sound using the inharmonic analysis method, using 400 sinewaves for the analysis.
	peabody.sapp.org /class/350.868/lab/inharmonic (538 words)

	Amazon.com: Real Sound Synthesis for Interactive Applications (Book & CD-ROM): Books (Site not responding. Last check: 2007-10-08)
		Cook emphases that key components of sound manipulation are the sampling rate and quantization of the source audio.
		Those interested in a fascinating look at the mechanisms of dynamically producing sound might also want to give it a read provided it's with the understanding that the direct applicability to games is at least few years away.
		Not only will you be able to write programs that can generate controllable sounds in real time, but you will develop insight into how physical instruments produce their distinctive sounds, and you will understand the basics of both the standard and the most advanced techniques that have been developed to model them.
	www.amazon.com /exec/obidos/tg/detail/-/1568811683?v=glance (1937 words)

	Sensaphonics presents Clark Synthesis Tactile Sound (Site not responding. Last check: 2007-10-08)
		With the Clark Synthesis Tactile Sound Transducer (TST), the intimate sensation of feeling sound is no longer just imagination.
		Pull a bow across the strings of a violin, the strings vibrate and the wave is transmitted in pulses through the mass of the wood in the instrument, then through the air stimulating nerves in the inner ear.
		We have always accepted this to be the ultimate experience of sound.
	www.sensaphonics.com /products/tactile.html (352 words)

	Review of Clark Syn. Silver - AUDIOPHILE AUDITION DEC02
		As defined by Clark Synthesis, tactile sound is “the exhilarating rumble of F-16 afterburners and the gentle pluck of a guitar string.
		Because the Clark Synthesis Silver (TST229F) transducer is full-range, this connection is the preferred method because it enables the transducer to function at its full capacity (frequency ranges: 15Hz to 800Hz tactile/35Hz to 17KHz audible).
		The sound from each and every warrior’s footsteps and clash of their swords reverberated throughout my body.
	www.audaud.com /audaud/DEC02/EQUIP/equip3DEC02.html (1017 words)

	JSyn - Java Audio Synthesis
		JSyn is based on the traditional model of unit generators which can be connected together to form complex sounds.
		For example, you could create a wind sound by connecting a white noise generator to a low pass filter that is modulated by a random contour generator.
		Wire - a graphical patch editor for developers allows you to design sounds by connecting unit generators interactively.Wire can export Java source code that will recreate that sound.
	www.softsynth.com /jsyn (398 words)

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