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Pulses per quarter note (PPQN), also known as pulses per quarter (PPQ), and ticks per quarter note (TPQN), is the smallest unit of time used for sequencing note and automation events. [ 1 ] The number of pulses per quarter note is sometimes referred to as the resolution of a MIDI device, and affects the timing of notes that can be achieved by a ...
A tick can be any measurement of real time. Players are allocated a certain number of turns per tick, which are refreshed at the beginning of each new tick. Tick-based games differ from other turn-based games in that ticks always occur after the same amount of time has expired.
Pick up phone handset (causing the line to be off-hook). Hear a dial tone. Dial the first number and greet the first party. Press the hook flash button (or quickly tap the on-hook sensor on the phone). Hear a stutter dial tone (a series of beeps followed by another dial tone). Dial the second number and greet the second party.
Each message is preceded by a calibration pulse with a period of 56 ticks for framing and calibration of tick length. After the calibration pulse, each nibble is transmitted with a fixed-width low signal, followed by a variable-length high period. The low pulse-width is 5 (or more) ticks in length, while the high pulse-width can vary, for a ...
A pulse per second (PPS or 1PPS) is an electrical signal that has a width of less than one second and a sharply rising or abruptly falling edge that accurately repeats once per second. PPS signals are output by radio beacons, frequency standards , other types of precision oscillators and some GPS receivers.
As pulse dialing is achieved by interruption of the local loop, it was possible to dial digits by rapidly tapping, i.e. depressing, the switch hook the corresponding number of times at approximately ten taps per second. [5] However, many telephone makers implemented a slow switch hook release to prevent rapid switching.
Differential pulse-code modulation (DPCM) is a signal encoder that uses the baseline of pulse-code modulation (PCM) but adds some functionalities based on the prediction of the samples of the signal. The input can be an analog signal or a digital signal .
Pulse generators may use digital techniques, analog techniques, or a combination of both techniques to form the output pulses. For example, the pulse repetition rate and duration may be digitally controlled but the pulse amplitude and rise and fall times may be determined by analog circuitry in the output stage of the pulse generator.