Digital audio

Dolby Pro Logic is a surround sound processing technology developed by Dolby Laboratories, designed to decode soundtracks encoded with Dolby Surround.

An audio file format is a file format for storing digital audio data on a computer system.

Dither is an intentionally applied form of noise used to randomize quantization error, preventing large-scale patterns such as color banding in images.

Direct-Stream Digital (DSD) is the trademark name used by Sony and Philips for their system of digitally recreating audible signals for the Super Audio CD (SACD).

Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals.

Groove Music (formerly Xbox Music and Zune Music and also known as Microsoft Groove) is a digital music streaming service developed by Microsoft that offers music streaming through subscription or purchase through the Windows Store.

Digital Audio Tape (DAT or R-DAT) is a signal recording and playback medium developed by Sony and introduced in 1987.

FairPlay is a digital rights management (DRM) technology created by Apple Inc.

The Digital Compact Cassette (DCC) is a magnetic tape sound recording format introduced by Philips and Matsushita in late 1992 and marketed as the successor to the standard analog Compact Cassette.

Digital media players (DMP) are home entertainment consumer electronics devices first introduced in 2000 that can connect to a home network to stream digital media (such as digital music, digital photos, or digital video).

Digital audio is technology that can be used to record, store, generate, manipulate, and reproduce sound using audio signals that have been encoded in digital form.

(Not to be confused with slotMusic.) slotRadio was a music format delivered on a memory card (flash memory).

SoundFont is a brand name that collectively refers to a file format and associated technology that uses sample-based synthesis to play MIDI files.

Soundstream Inc. was the first audiophile digital audio recording company, providing commercial services for recording and computer-based editing.

MP3 Surround is an extension of MP3 for multi-channel audio support including 5.

RAW Audio format or just RAW Audio is an audio file format for storing uncompressed audio in raw form.

In digital audio, 44,100 Hz (alternately represented as 44.1 kHz) is a common sampling frequency.