1 / 8

Audio History

Shanise Levi 2 nd Period Mr. Hardin. Audio History. In the 1920’s–1940’s. In 1921 The first commercial AM radio broadcast is made by KDKA, Pittsburgh PA. In 1925 the first electrically recorded 78 rpm disks appear and RCA works on the development of ribbon microphones.

ananda
Download Presentation

Audio History

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Shanise Levi 2ndPeriod Mr. Hardin Audio History

  2. In the 1920’s–1940’s • In 1921 The first commercial AM radio broadcast is made by KDKA, Pittsburgh PA. • In 1925 the first electrically recorded 78 rpm disks appear and RCA works on the development of ribbon microphones. • In 1938 RCA develops the first column loudspeaker array. • In 1940 Walt Disney's "Fantasia" is released, with eight-track stereophonic sound. • In 1942 The first stereo tape recordings was made by Helmut Kruger at German Radio in Berlin. • In 1943 Altec develops their Model 604 coaxial loudspeaker.

  3. In the 1950’s-1960’s • In 1954 a lot of things happen like Sony produces the first pocket transistor radios, The first commercial 2-track stereo tapes are released, Ampex produces its Model 600 portable tape recorder and RCA introduces its polydirectional ribbon microphone, the 77DX. • In 1955 Ampex develops "Sel-Sync" (Selective Synchronous Recording), making audio overdubbing practical. • In 1956 Les Paul makes the first 8-track recordings using the "Sel-Sync" method. • In 1958 the first commercial stereo disk recordings appear. • In 1963 Philips introduces the Compact Cassette tape format, and offers licenses worldwide.

  4. In the 1970’s • In 1970 Ampex introduces 406 mastering tapes. • In 1971 Denon demonstrates 18-bit PCM stereo recording using a helical-scan video recorder. • In 1976 Dr. Stockham of sound stream makes the first 16-bit digital recording in the U.S. at the Santa Fe Opera. • In 1978 3M introduces metal-particle cassette tape. Also the first EIAJ standard for the use of 14-bit PCM adaptors with VCR decks is embodied in Sony's PCM-1 consumer VCR adaptor.

  5. In the 1980’s • In 1980 Sony introduces a palm-sized stereo cassette tape player called a "Walkman." Also 3M, Mitsubishi, Sony and Studer each introduces a multitrack digital recorder and EMT introduces its Model 450 hard-disk digital recorder. • In 1981 IBM introduces a 16-bit personal computer. • In 1982 Sony introduces the PCM-F1, intended for the consumer market, the first 14- and 16-bit digital adaptor for VCRs. It is eagerly snapped up by professionals, sparking the digital revolution in recording equipment and also Sony release the first CD player, the Model CDP-101. • In 1984 The Apple Corporation markets the Macintosh computer. • In 1985 Dolby introduces the "SR" Spectral Recording system. • In 1986 the first digital consoles appear.

  6. In the 1990’s • In 1991 the Ampex introduces about 500 mastering tapes. • In 1995 the first “solid-state” audio recorder, the Nagra ARES-C , is introduced. It is a battery-operated field unit recording on PCMCIA cards using MPEG-2 audio compression. • In 1996 Record labels begin to add multimedia files to release, calling them ”enhanced CDs.” Also, experimental digital recording are made at 24 bits and 96 kHz. • In 1997 DVD videodiscs and players are introduced. • In 1998 Mp-3 players for downloaded Internet appear. • In 1999 Audio DVD Standard 1.0 agreed upon by manufactures.

  7. Credits • http://www.aes.org/aeshc/docs/audio.history.timeline.html • http://en.wikipedia.org/wiki/KDKA_(AM) • http://www.xtimeline.com/evt/view.aspx?id=16525 • http://www.timetoast.com/timelines/video-timeline--2 • http://en.wikipedia.org/wiki/Compact_Cassette • http://en.wikipedia.org/wiki/Fantasia_(film) • http://people.duke.edu/~tlove/mac.htm • http://en.wikipedia.org/wiki/DVD • http://interactivemediaproductionwiki.pbworks.com/f/advancedDigitalAudio_wc2.pdf • http://www.timetoast.com/timelines/history-of-sound--2 • http://vintagecassettes.com/_history/history.htm

  8. The End  Audio!

More Related