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- MICROSOFT SOFTWARE WAVETABLE SYNTHESIZER ROLAND SOUND CANVAS DIGITAL DRIVER PROFESSIONAL
- MICROSOFT SOFTWARE WAVETABLE SYNTHESIZER ROLAND SOUND CANVAS DIGITAL DRIVER SERIES
Typical software synthesizersĪmongst the earliest successful software synthesizers were the S-YXG series from YAMAHA and the Virtual Sound Canvas by Roland under the name EDIROL. Common plug-in technologies include VST, Audio Units (AU), Avid Audio eXtension (AAX), Real Time AudioSuite (RTAS), DirectX instrument (DXi) and MOTU Audio System (MAS). Plug-in softsynths require a host application such as a Digital Audio Workstation, which records the music that is played. Stand-alone softsynths run as a program on the computer so additional software is not required.
MICROSOFT SOFTWARE WAVETABLE SYNTHESIZER ROLAND SOUND CANVAS DIGITAL DRIVER PROFESSIONAL
However modern professional audio interfaces can frequently operate with extremely low latency, so in recent years this has become much less of a problem than in the early days of computer music. Increasing buffer size will help, but also increase latency. When the processor becomes completely overloaded, the host sequencer or computer can lock up or crash. As the processor becomes overloaded, sonic artifacts such as "clicks" and "pops" can be heard during performance or playback. Multi-processor computers can handle this better than single-processor computers. When the soft synthesizer is running as a plug-in for a host sequencer, both the soft synth and the sequencer are competing for processor time. Decreasing latency requires increasing the demand on the computer's processor. The major downside of using softsynths can often be more latency (delay between playing the note and hearing the corresponding sound). Many sample libraries are available in a common format like WAV or SoundFont, and can be used with almost any sampler based softsynth.
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Some are specifically designed to mimic real world instruments such as pianos. Some of these sample based synthesizers come with sample libraries many gigabytes in size. Some softsynths are heavily sample based, and frequently have more capability than hardware units, since computers have fewer restrictions on memory than dedicated hardware synthesizers. Popular synthesizers such as the Minimoog and Yamaha DX-7, Korg M1, Prophet V, Oberheim OB-X, Roland Jupiter 8, ARP 2600 and dozens of other classics have been recreated in software. Some simulators can even import the original sound patches with accuracy that is nearly indistinguishable from the original synthesizer. The emulation can even extend to having graphics that model the exact placements of the original hardware controls. There are a number of very popular hardware synthesizers which are no longer manufactured which have been emulated in software. This results in an exceptionally authentic sound, as well as allowing for some of the inconsistencies, such as oscillator drift caused by the thermal sensitivity of the components, to be added. Many softsynths use mathematical algorithms which directly emulate the electronic components and circuitry of the original hardware synthesizer. The advantage to dedicated hardware is that it can be more stable, and also that it often has a user interface that is physical (knobs and sliders) and therefore easier to manipulate during performances. The distinction is that softsynths run on a general purpose computer with a sound card, and the hardware (dedicated) synthesizers have the custom software built-in. Dedicated hardware synthesizers can have software as complex as a soft synth.