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Audio Unit
| Term | Definition |
|---|---|
| Phonautograph | first device to record sound. Invented by Edward Leon Scott de Martinville |
| Phonograph | First device to playback recorded sound. created by Thomas Edison. |
| Gramophone | Replaced cylinders with discs. Created by Emile Berliner. |
| LP | Long Play Record. Used for full length albums |
| 1857 | phonautograph invented |
| 1877 | phonograph invented |
| 1887 | gramophone invented |
| 1948 | LP invented by Columbia Records |
| 1979 | Walkman invented |
| 2001 | iPod invented |
| 1963 | Philips introduces the cassette tape, making music portable and "mixable." |
| Splice | method of analog editing. cut strips of magnetic tape to be joined together. |
| 1999 | Napster launched. |
| Napster | first major peer-to-peer file-sharing service, changing the industry forever. |
| 1982 | Compact Disc (CD) created by Sony and Philips. Uses laser technology to read digital data |
| MP3 | digital audio format using lossy compression to shrink file sizes, making it possible to share music over the early internet. |
| DAW | Digital Audio Workstation |
| Magnetic Tape | Originally developed in Germany (the Magnetophon), tape allowed for editing (cutting and splicing) and multitracking. |
| Carbon Microphone (1870s) | bridge between acoustic sound and electrical signals. |
| Multitrack | Recording multiple sounds separately so they can be edited and played together. |
| Clipping | When audio gets too loud and becomes distorted or cut off. |
| WAV file | A high-quality, lossless digital audio file used for recording and editing. |
| Playhead | The line or marker that shows where you are in an audio track. |
| Analog | Sound stored as a continuous signal, like on a vinyl record or cassette tape. |
| Digital Audio | Sound stored as numbers, like in MP3 or WAV files, for better editing and playback. |
| Acoustic Era | 1877-1925 |
| Electric Era | 1925-1945 |
| Magnetic Era | 1945-1975 |
| Digital Era | 1975-Current |
| Mastering | The process of creating a "master" recording from which all copies are made. |
| EP | Extended Play. Musical release that is shorter that an LP. Usually 30 minutes or less. |
| Single | A musical release of 1 - 3 songs. |
| Sampling | Using parts or all of an existing song |
| Audio Track | a distinct, independent layer within a DAW that holds a continuous recording (waveform) of sound, such as vocals, instruments, or sound effects |
| Lossy | compression that reduces file size and permanately deletes unnecessary data |
| lossless | reduces file size without losing data |
| Polar Patterns | defines how much of the signal will be picked up by the microphone from different directions. |