Glossary: Virtual Instrument

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Virtual Instrument: A computer program that emulates the performance of an analog or digital synthesizer, a sampler or an acoustic instrument. Virtual instruments earn this name because they operate entirely as software with no physical "box." However, this is not actually correct, as virtual instruments simply utilize the host computer's CPU and internal or external audio hardware to generate sounds in place of the dedicated, proprietary hardware of most of the keyboards and synthesizers we've been used to over the years. Virtual instruments can be of relatively simple design, such as a collection of samples with a playback engine, or they can use complex modeling algorithms to emulate analog synths of the past (called "virtual analog" synths). Most of these instruments will respond to MIDI continuous controller messages in the same manner as a hardware synthesizer. Virtual instruments often can operate in two modes. First, they function as a plug-in in compatible host programs such as Pro Tools, Digital Performer, SONAR, or other audio/MIDI sequencers. To do so, the virtual instrument must be written to support the audio format used by the host program, such as VST, MAS, DirectX or Audio Units. In addition many virtual instruments can function in standalone mode, which means they can be played and programmed without requiring a host program to be open.

Vacuum Tube	Vako Orchestron	Valve
Vaporware	Variable Pattern Mic	Variable State Filter
Variac	Varispeed	Varitone
VAST	VBR	Voltage-controlled Amplifier (VCA)
VCA Group	VCF	VCO
VCR	VCXO	Velocity
Velocity Compression	Velocity Curve	Velocity Split
Veneer	Verse	VESA
VESA	VFO	VGA
Very High Frequency	Vibrato	Vibratone
Vibrato Tailpiece	Vibrola	Video Sync
Violin Bass	Virtual Analog Synthesizer	Virtual Dolby Digital
Virtual Dolby Surround	Virtual Instrument	VirtualMemory
Virtual Slave Reel	Virtual Track	VISE
VITC	Vivace	Virtual Network Computing
VOC	Vocal Booth	Vocoder
Voice	Voice-Stealing	Voice Coil
Voice Leading	Voice Over	Voicing
Volatile Memory	Volt	Volt-Ampere
Voltage	Voltage Clamping	Voltage-controlled Filter (VCF)
Voltage Depression	Voltage Regulator	Voltage Sag
Voltage Spike	Volume	Volute
Vox Treble Booster	Vox Ultrasonic	Virtual Studio Technology
VST2	VST Instrument	VTR