Audio formats

Timeline of audio formats

  • Phonautogram

    	Phonautogram
    Mechanical analog; sound waveform transcribed to paper or glass
  • Phonograph cylinder

    Phonograph cylinder
    Mechanical analog; hill-and-dale grooves, vertical stylus motion
  • Music roll

    Music roll
    A piano roll is a music storage medium used to operate a player piano, piano player or reproducing piano. A piano roll is a continuous roll of paper with perforations (holes) punched into it. The perforations represent note control data. The roll moves over a reading system known as a 'tracker bar' and the playing cycle for each musical note is triggered when a perforation crosses the bar and is read. The majority of piano rolls play on three distinct musical scales. The 65-note (with a playing
  • Gramophone record

    Gramophone record
    The phonautograph, patented by Léon Scott in 1857, used a vibrating diaphragm and stylus to graphically record sound waves as tracings on sheets of paper, purely for visual analysis and without any idea of playing them back. These tracings can now be scanned and digitally converted into audible sound. Phonautograms of singing and speech made by Scott in 1860 were played back as sound for the first time in 2008. Along with a tuning fork tone and unintelligible snippets recorded as early as 1857,
  • Wire recording

    Wire recording
    The first wire recorder was a Valdemar Poulsen Telegraphone of the late 1890s. Wire recorders for dictation and telephone recording were made almost continuously by various companies (mainly the American Telegraphone Company) through the 1920s and 1930s, but use of this new technology was extremely limited. Dictaphone and Ediphone recorders, which still employed wax cylinders as the recording medium, were the devices normally used for these applications during this period. The brief heyday of w
  • Tefifon

    Tefifon
    The Tefifon is a German-developed and manufactured audio playback format that utilizes cartridges loaded with an endlessly looped reel of plastic tape (much like the later 4-track and 8-track magnetic audio tape cartridges) with grooves embossed on it, similar to the ones on a phonograph record. The grooves were embossed in a helical fashion across the width of the tape, much similar to Dictaphone's Dictabelt format, and are read with a stylus and amplified pickup in the player's transport. A Te
  • SoundScriber

    SoundScriber
    oundScriber is a dictation machine introduced in 1945 by The SoundScriber Corp. (New Haven).[1] It records sound with a groove embossed into soft vinyl discs with a stylus.[2][1][3] Similar competing recording technologies are the Gray Audograph and Dictaphone DictaBelt. The machine can record 15 minutes of dictation on each side of a thin (.01-inch)flexible 6-inch vinyl disc spinning at a rate of 33 RPM, at a density of 200 grooves per inch.The discs originally cost about 10 cents each
  • Dictabelt

    Dictabelt
    The Dictabelt,in early years and much less commonly also called a Memobelt, is an analog audio recording medium commercially introduced by the American Dictaphone company in 1947. Having been intended for recording dictation and other speech for later transcription, it is a write-once-read-many medium consisting of a 5-mil (0.13 mm) thick transparent vinyl plastic belt 3.5 inches (89 mm) wide and 12 inches (300 mm) around.
  • Minifon

    Minifon
    The Minifon of Protona Monske was produced in the 1950s , battery-operated miniature Drahtton- , later -Tonbandgerät , which was developed by the German electrical engineer Willi Draheim from 1948th As a financier he could win the businessman Nicholas Monske and set up a laboratory in Fassberg . Together with Ernst genning developed Draheim the Minifon within two years to the finished product .
  • RCA tape cartridge

    RCA tape cartridge
    The RCA tape cartridge (also known as the Magazine Loading Cartridge and Sound Tape) is a magnetic tape format that was designed to offer stereo quarter-inch reel-to-reel tape recording quality in a convenient format for the consumer market. It was introduced in 1958, following four years of development. This timing coincided with the launch of the stereophonic phonograph record. The main advantage of the RCA tape cartridge over reel-to-reel machines is convenience. The user is not required
  • Fidelipac

    Fidelipac
    The Fidelipac, commonly known as a "NAB cartridge" or simply "cart", is a magnetic tape sound recording format, used for radio broadcasting for playback of material over the air such as radio commercials, jingles, station identifications, and music. Fidelipac is the official name of this industry standard audio tape cartridge. It was developed in 1954 by inventor George Eash
  • Stereo-Pak

    Stereo-Pak
    The Muntz Stereo-Pak, commonly known as the 4-track cartridge, is a magnetic tape sound recording cartridge technology. The in-car tape player that played the Stereo-Pak cartridges was called the Autostereo, but it was generally marketed under the common Stereo-Pak trade name. The Stereo-Pak cartridge was inspired by the Fidelipac 3-track tape cartridge system invented by George Eash in 1954 and used by radio broadcasters for commercials and jingles beginning in 1959.
  • 8-track tape

    8-track tape
    8-track tape (formally Stereo 8: commonly known as the eight-track cartridge, eight-track tape, or simply eight-track) is a magnetic tape sound recording technology popular in the United States from the mid-1960s to the late-1970s when the Compact Cassette format took over.The format is regarded as an obsolete technology, and was relatively unknown outside the United States, the United Kingdom, Stereo 8 was created in 1964 by a consortium led by Bill Lear of Lear Jet Corporatation,
  • PlayTape

    PlayTape
    PlayTape is an audiotape format and playback system introduced in 1966 by Frank Stanton. It is a two-track system, and was launched to compete with existing 4-track cartridge technology. A PlayTape cartridge uses ⅛" tape. The cartridges play anywhere from eight to 24 minutes, and are continuous. Because of its portability, PlayTape was an almost instant success, and over 3,000 artists had published in this format by 1968. White cases usually meant about eight songs were on the tape
  • Compact disc

    Compact disc
    Compact disc (CD) is a digital optical disc data storage format. The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM). Several other formats were further derived from these, including write-once audio and data storage (CD-R), rewritable media (CD-RW), Video Compact Disc (VCD), Super Video Compact Disc (SVCD), Photo CD, PictureCD, CD-i, and Enhanced Music CD. Audio CDs and audio CD players have been commercially available s
  • DVD

    DVD
    DVD ( "digital versatile disc"or "digital video disc") is a digital optical disc storage format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. The medium can store any kind of digital data, and is widely used for software and other computer files, and for video programs watched using DVD players. DVDs offer higher storage capacity than compact discs while having the same dimensions.
  • HD DVD

    HD DVD
    HD DVD (short for High Definition/Density Digital Versatile/Video Disc) is a discontinued high-density optical disc format for storing data and high-definition video.Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format. On 19 February 2008, after a protracted format war with rival Blu-ray Disc, Toshiba abandoned the format
  • Blu-ray

    Blu-ray
    Blu-ray or Blu-ray Disc (BD, BRD) is a digital optical disc data storage format. It was designed to supersede the DVD format, in that it is capable of storing high-definition video resolution (1080p). The plastic disc is 120 mm in diameter and 1.2 mm thick, the same size as DVDs and CDs.[4] Conventional (pre-BD-XL) Blu-ray Discs contain 25 GB per layer, with dual layer discs (50 GB) being the industry standard for feature-length video discs.
  • Digital Cinema Package

    Digital Cinema Package
    A Digital Cinema Package (DCP) is a collection of digital files used to store and convey digital cinema (DC) audio, image, and data streams.
    The term has been definedby Digital Cinema Initiatives, LLC in their recommendations for packaging of DC contents. General practice adopts a file structure that is organized into a number of usually multi-gigabyte size Material eXchange Format (MXF) files, which are separately used to store audio and video streams, and auxiliary index files in XML form