Every wondered about the history of sound / audio engineering and recording. In todays post we care going to showcase some of the significant events, inventions, products and their purveyors,from phonograph cylinder to the latest invention like Blu-Ray Disk which has changed sound / audio industry.
| Year | Physical format | Content format |
| 1870s | Phonograph cylinder | Analog; "hill-and-dale" grooves, vertical stylus |
| 1895 | Gramophone record | Analog; lateral grooves, horizontal stylus |
| disc first produced around 1898; popular from 1910-1950s; by 1910 actual speed ranged from about 78 to 80 rpm; size was 10 or 12 inches | ||
| 1930s | Wire recording | Analog |
| 1940s | Reel-to-reel tape Magnetic tape | Analog |
| 1948 | Vinyl record | Analog; lateral grooves, horizontal stylus also known as LP or long-playing records |
| 1957 | Stereophonic vinyl record | Analog; lateral/vertical stylus (each channel encoded 45 degrees to vertical) |
| 1963 | Audio cassette | Analog; 1/8 in. tape width; 1 7/8 ips popular in the US through the 1990s |
| 1964 | 8-track tape | Analog; 1/4 in. tape width; 3 3/4 ips in an endless loop cartridge |
| 1969 | Microcassette | Analog |
| 1970 | Dolby noise reduction introduced (cassettes) | |
| 1975 | Betamax digital audio | "Dolby Stereo" cinema surround sound |
| 1982 | Compact disc | Digital; usually 4 3/4 in. diameter first available in Japan in October 1982, in Europe in February 1983, and in the US in March 1983 |
| 1985 | CD-ROM | |
| 1987 | Digital audio tape (DAT) | cassette version of the CD; used in the recording industry until 2000; DAT players ceased production in 2005 |
| 1990s | Digital compact cassette | |
| 1991 | MiniDisc | |
| 1992 | WAVEform (WAV) Dolby digital surround cinema sound | |
| 1993 | Dolby theatre system (DTS) Sony dynamic digital sound (SDDS) | |
| 1995 | MP3 | |
| 1996 | DVD | |
| 1999 | Streaming audio | |
| 1999 | Super audio CD (SACD) | Windows media audio (WMA) (higher sampling rate, spatial sound capability) |
| 2000 | DVD-Audio | |
| 2004 | DualDisc | CD on one side, DVD on the other |
| 2006 | Blu-ray Disc | Dolby TrueHD, DTS-HD Master Audio |
Related Images with regard to the history of Sound / Audio Engineering.
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