Topics include Web Development, Audio, Video, Graphics, Software and Hardware. See also the Music Glossary.

p
- Pa
- PA-422
- Packet InterNet Groper
- packet switching
- paired cable
- PAL
- palette
- pan
- parallel
- parallel port
- Parameter RAM
- parametric equalizer
- partition
- pascal
- passband
- passive crossover
- passive equalizer
- patch
- patchbay (normaling jacks)
- path name
- path name separator
- PCA
- PCB
- PCM
- peak program meter
- peer
- peer-to-peer network
- period
- Perl
- PF
- PFC
- PFL
- P-frame
- PGP
- phantom power
- Phase Alternation Line
- phase delay
- phase shift
- phon
- phone jack
- phone plug
- Phong shading
- phono plug
- photoconductor
- photodiode
- photon
- PHP
- physical code
- pi
- pickup
- pico-
- pincushion distortion
- Ping
- ping-pong
- pin jack
- pink noise
- pit
- pixel
- pixelization
- PKZIP
- placeholder
- plasma display
- playback
- plug
- plug and play
- plug-in
- PMA
- PNG
- PnP
- point of view
- Point-to-Point Protocol
- polarity
- polarization
- POP
- port
- Portable Document Format
- Portable Network Graphics
- portrait
- positional reference
- post
- Post Office Protocol
- postproduction
- PostScript
- potentiometer
- POV
- power
- power-cycle
- power factor
- power-factor-corrected
- PPM
- PPP
- PRAM
- preamp
- preamplifier
- predictive encoding
- pre-emphasis
- pre-fade listen
- premastering
- preproduction
- preroll
- Pretty Good Privacy
- printed circuit board
- print spooler
- print-through
- proc amp
- processor audio
- production
- production audio
- professional market
- program
- program calibration area
- program memory area
- progressive scan
- progressive/sequential coding
- prompt
- propagation
- propagation delay
- proportional Q (variable-Q equalizer)
- proprietary
- prosumer
- protocol
- psychoacoustics
- public domain
- pulldown
- pull down/pull up
- pulse code
- pulse code modulation
- pulse width modulation
- punch-in/punch-out
- PWM
- Python