Dynacord Add-One
The Dynacord ADD-One (advanced digital drums) is a German-manufactured, American-designed [4] drum machine that was first released in 1986. It uses recorded samples to produce its sounds through analog voltage-controlled envelopes and analog filters with resonance, to self-oscillation per voice. It comes with 1 Mbyte of memory and can be upgraded up to 8 Mbytes. Sample rate and bit rateThe unit can sample up to 50 kHz at 12-bits [5] for up to 20 seconds. Actually it is 8 bits with 4 bits of companding according to one of the designers Michael Doidic.[6] The sample rate and therefore the pitch is variable, like the Fairlight and E-mu EII and other earlier samples, via the 8 separate DACs - variable pitch via sample clock rate change. Later digital samplers, including those that operate in software utilise interpolation and other techniques to alter the pitch of a sample - the effect, particularly in the low-end is not the same. DisplayThe unit features an 80-character backlit LCD.
SoundsBass drums, congas, snares, Hihats as well as single-cycle waveforms (sine/triangle etc.) contained on EPROMS.[7] With the optional 'Add-One Drive' one can sample any recorded sounds into the sampler via the microphone/line input with on-board compressor. External controlThe Chain mode allows these to be called up in any order and stepped through by a footswitch. The unit also features MIDI which allows it to be controlled from an external device such as a synthesizer or electronic drums. Notable users
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