Glossary: Pulse Code Modulation (PCM)

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Pulse Code Modulation (PCM): A method of encoding and de-encoding a digital signal. There are actually several varieties in use today, including linear, non-linear, floating point, and differential. These vary mainly in how they deal with quantization, and how they handle values that fall "between" the digital signals bits.

P-94	p-n Junction	P90
PACE	Pad	PAF
Page	PAL	Palm Muting
Palo Escrito	Pan (Panning)	Pancake
Panic Button	Parabolic Reflector	Paragraphic Equalizer
Parallel/Parallel Port	Parameter	Parametric Equalizer
Parasitic Oscillation	Parity	Parlor Guitar
Partial	Partition	Pascal
Pass	Passband	Passive
Passive Radiator	Password	Paste
Patch	Patch Bay	Patch Cord
Patchlist	Patch List	Patch Mapping
Path	Paua	PCB
PCI (Peripheral Component Interconnect)	PCI-X	PCI Express (PCIe)
Pulse Code Modulation (PCM)	PCMCIA	PCM Deck
PD Drive	PDF	Peak
Peak Hold	Pearloid	Pedalboard
Pedal Point	Pedal Steel	Peer-to-Peer
Peghead	Penny Whistle	Pentachord
Pentatonic Scales	Pentium	Pentode
Perceptual Coding	Percussion Switch	Perfect Fifth
Perfect Pitch	Period	Perkins EQ
Permeability	Perpetual Looper	petaFLOPS
PeterGabrielizing	Pre-Fade Listen (PFL)	Phantom Channel
Phantom Image	Phantom Power	Phase
Phase Cancellation	Phase Invert	Phase Lock
Phase Locked Loop	Phase Modulation	Phase Quadrature
Phase Shifter	Phon	Phon
Phone Plug	Phono Plug	Phono preamp
Phosphor Bronze	Photona	Physical Modeling Synthesis
Pianissimo	Piano	Pick
Pick Guard	Pickup	Piezo
Piggyback Amp	Pigtail	Pinch Roller
Pink Noise	Pinna Effect	Pipe Organ
Pitch	Pitch Bend	Pitch Correction
Pixel	Pizzicato	Plainsong
Planar Loudspeaker	Plate	Plate Reverb
Platter	Playhead	Play List
Plectrum	Plenum	Plesiochronous
Plexi	Abbreviation for Phase Locked Loop.	Plosive
Plug-in	Plug and Play	PMPO
Pocket	Pocketing	Podcast
Point-to-Point Wiring	Point Source Monitor	Polarity
Polarize	Polar Pattern	Pole
Pole Piece	Polka	Polyester
Polyphonic	Polyphony	Polyrhythm
Polytonality	Polyurethane	Ponticello
Pop	Pop Filter	Port
Portamento	Portative Organ	Position
Positional Sensing	Post Production	Potential Acoustic Gain
Potentiometer	Potting	POW-r
Power	Power Calibration Area	Power Chord
Power Compression	Power Conditioner	Power Cycle
Power Factor	Power Spike	Power Supply
Power Surge	PPG Wave	Peak Program Meter (PPM)
PPQN (Pulses Per Quarter Note, sometimes Parts Per Quarter Note)	PQ Subcode	P-Ram - (a.k.a. PRAM)
Pre-bend	Pre-delay	Preamp
PrecedenceEffect	Pre Fade/Post Fade	Preference File
Premiere	Prepolarization	Presence
Preset	Pressure-gradient Microphone	Pressure Microphone
Pressure Wave	Presto	Primary Tones
Princess Ensemble	Print	Print-Through
Producer	Program-dependent Compression	Program Change
Progression (Chord)	Progressive Hammer Action	Progressive Scan
Project-O-Sonic	Propagation	Proprietary
Protocol	Proximity Effect	PS/2
Psychoacoustics	PTP	Public Performance Right
Pull-off	Pull Down	Pulldown Menu
Pulse	Pulse Wave	Pumping
Punch	Punch Block	Punch In
Pure Tone	Purfling	Purple Heart
Push-Pull	Pulse Width Modulation (PWM)	PZM