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Delay is an audio signal processing technique that records an input signal to a storage medium and then plays it back after a period of time. When the delayed playback is mixed with the live audio, it creates an echo-like effect, whereby the original audio is heard followed by the delayed audio.
MIDI files contain sound events such as a finger striking a key, which can be visualized using software such as Synthesia. A MIDI file is not an audio recording. Rather, it is a set of instructions – for example, for pitch or tempo – and can use a thousand times less disk space than the equivalent recorded audio.
The Volca Keys has analogue circuitry but all control signals are digital, allowing parameter control over MIDI. According to Korg, "[the] CPU [controlling the Volca Keys] has a 10-bit DAC". [1] The keyboard is a touch plate with no velocity sensitivity. It houses a 16-step sequencer with motion sequencing, Korg's version of parameter automation.
The delay setting determines the length of silence between hitting a note and the attack. Some software synthesizers, such as Image-Line's 3xOSC (included with their DAW FL Studio) have DAHDSR (delay, attack, hold, decay, sustain, release) envelopes. A common feature on many synthesizers is an AD envelope (attack and decay only).
When one instructs the music application to quantize a certain group of MIDI notes in a song, the program moves each note to the closest point on the timing grid. Quantization in MIDI is usually applied to Note On messages and sometimes Note Off messages; some digital audio workstations shift the entire note by moving both messages together.
The Seaboard is a musical keyboard-style MIDI controller manufactured by the British music technology company ROLI. It has a continuous sensor-embedded flexible rubber surface for playing the keys instead of traditional lever-style "moving keys". Some models, like the RISE Seaboard Grand, have an onboard sound engine. [4]
MIDI "IXA Sound Source". It's "Integrated Cross-Sound Architecture" Large Bulky Keyboard with touch sensitivity. Large 2MB ROM. No MIDI dump or sysEX. Elaborate sequencer but no way to store. This was released a few months before the CTK-750. Casio was being sued by Yamaha over FM synthesis patents.
MIDI keyboards lacking an onboard sound module cannot produce sounds themselves, however some models of MIDI keyboards contain both a MIDI controller and sound module. When it is used as a MIDI controller, MIDI information on keys or buttons the performer has pressed is sent to a receiving device capable of creating sound through modeling ...