Audio storage

Phonograph cylinders are the earliest commercial medium for recording and reproducing sound.

The Philips CD-i (Compact Disc Interactive) is an interactive multimedia CD player developed and marketed by the Dutch electronics manufacturer Royal Philips Electronics N.

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).

In computing, an optical disc drive (ODD) is a disk drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs.

Mini CDs, or "pocket CDs", are CDs with a smaller diameter and one third the storage capacity of a standard 120 mm disc.

A gramophone record (phonograph record in American English) or vinyl record, commonly known as a record, is an analogue sound storage medium in the form of a flat polyvinyl chloride (previously shellac) disc with an inscribed, modulated spiral groove.

Magnetic tape is a medium for magnetic recording, made of a thin, magnetizable coating on a long, narrow strip of plastic film.

Ripping is distinct from simple file copying, in that the source audio or video often isn't originally formatted for ease of use in a computer file system; ripping such data usually involves reformatting it and optionally compressing it during the extraction process.

The LP (from "long playing" or "long play") is an analog sound storage medium, a vinyl record format characterized by a speed of  33 1⁄3 rpm, a 12 or 10 inch (30 or 25 cm) diameter, and use of the "microgroove" groove specification.

Compact Disc Digital Audio (CDDA or CD-DA) is the standard format for audio compact discs.

Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format.

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

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.

The Volta Laboratory (also known as the "Alexander Graham Bell Laboratory", the "Bell Carriage House" and the "Bell Laboratory") and the Volta Bureau were created in Georgetown, Washington, D.

A double album (or double record) is an audio album which spans two units of the primary medium in which it is sold, typically records and compact discs.

Gábor Kornél Tolnai, born November 22, 1902 in Budapest, died on February 3, 1982 in Stockholm, was a Hungarian-Swedish Diploma engineer, inventor, constructor, mechanical engineer, precision engineer, electrical engineer and a self-employed person.

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

Stellavox is a company based in Switzerland and is most noted for their compact portable reel-to-reel magnetic tape audio recorders used by radio and TV-stations and motion picture location sound mixers as an alternative to the Nagra recorders.

Run length limited or RLL coding is a line coding technique that is used to send arbitrary data over a communications channel with bandwidth limits.

DVD-Video is a consumer video format used to store digital video on DVD discs, and is currently the dominant consumer video format in Asia, North America, Europe, and Australia.

Edison had previously made only phonograph cylinders but decided to add a disc format to the product line because of the increasingly dominant market share of the shellac disc records (later called "78s" because of their typical rotational speed) made by competitors such as the Victor Talking Machine Company.

Compact disc (CD) is a digital optical disc data storage format, co-developed by Philips and Sony.

CD-R (Compact Disc-Recordable) is a digital optical disc storage format.

Dynaflex was a trademark for a thin, lightweight vinyl LP record introduced by RCA Records in late 1969.

Dynagroove is a recording process introduced in 1963 by RCA Victor that, for the first time, used analog computers to modify the audio signal used to produce master disks for LPs.