Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs...

Differential pulse-code modulation (DPCM) is a signal encoder that uses the baseline of pulse-code modulation (PCM) but adds some functionalities based...

Pulse-position modulation (PPM) is a form of signal modulation in which M message bits are encoded by transmitting a single pulse in one of 2 M {\displaystyle...

Adaptive differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization...

into codewords of pulses of different weight as they would be in pulse-code modulation (PCM); rather, the relative density of the pulses corresponds to the...

is an ITU-T standard (Recommendation) for audio encoding, titled Pulse code modulation (PCM) of voice frequencies released for use in 1972. G.711 passes...

been largely replaced by pulse-code modulation, and, more recently, by pulse-position modulation. The number of possible pulse amplitudes in analog PAM...

Pulse-position modulation (PPM) Analog-over-digital methods Pulse-code modulation (PCM) Differential PCM (DPCM) Adaptive DPCM (ADPCM) Delta modulation (DM or...

differential pulse-code modulation (DPCM) where the difference between successive samples is encoded into n-bit data streams. In delta modulation, the transmitted...

Pulse-width modulation (PWM), also known as pulse-duration modulation (PDM) or pulse-length modulation (PLM), is any method of representing a signal as...

between pulse trains. Pulse-amplitude modulation Pulse-code modulation Pulse-density modulation Pulse-position modulation Rate coding, pulse-frequency...

In telecommunications, equivalent pulse code modulation (PCM) noise is the amount of noise power on a frequency-division multiplexing (FDM) or wire communication...

technique known as pulse-code modulation ("PCM"). Unlike pulse-width modulation ("PWM"), which turns a signal on and off, pulse-code modulation also allows the...

analog-to-digital converter (ADC) into a digital signal, typically using pulse-code modulation (PCM). This digital signal can then be recorded, edited, modified...

Look up PCM in Wiktionary, the free dictionary. PCM or pulse-code modulation is a digital representation of an analog signal. PCM may also refer to: Performance...

(often using differential signaling). the line-coded signal (the baseband signal) undergoes further pulse shaping (to reduce its frequency bandwidth) and...

This analysis results in a set of digital pulse code modulation stream readings. Then the pulse code modulation stream outputs of each band are transmitted...

was first proposed for pulse-code modulation systems by Frank Gray, also of BTL. Thus the name Gray code. The Gray or cyclic code is used mainly to eliminate...

networks using pulse-code modulation, and on voice over IP networks. The weight of a binary code, as defined in the table of constant-weight codes, is the Hamming...

In a digitally modulated signal or a line code, symbol rate, modulation rate or baud is the number of symbol changes, waveform changes, or signaling events...

1971) was an English scientist best known for his invention of pulse-code modulation (PCM). He was awarded 82 patents. Alec Reeves was born in Redhill...

formally introduced the term "bit", and was a co-inventor of both pulse-code modulation and the first wearable computer. Shannon made numerous contributions...

at the cost of larger files. Uncompressed audio formats, such as pulse-code modulation (PCM, or .wav), are also sometimes used. PCM was the standard format...

(pulse-position modulation - PPM), or by converting the signal into a digital code represented by pulses (pulse-code modulation - PCM). More recently, pulse trains...

which can be ultimately encoded as pulse-code modulation (PCM). Both ADCs and DACs can employ delta-sigma modulation. A delta-sigma ADC (e.g. Figure 1...

un-containerized and uncompressed audio. The data is stored as raw pulse-code modulation (PCM) values without any metadata header information (such as sampling...

audio systems using pulse-code modulation (PCM) where audio amplitude is determined by numbers encoded in the bit stream. Both modulations require neighboring...

Pierce collaborated on, which was used in Goodall's "Television by pulse code modulation". Gray graduated from Purdue University in 1911 with a degree in...

In digital audio using pulse-code modulation (PCM), bit depth is the number of bits of information in each sample, and it directly corresponds to the...

century, a codec was a hardware device that coded analog signals into digital form using pulse-code modulation (PCM). Later, the term was also applied to...