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Audio Guidance: Identifying Audio Formats | National Archives
https://www.archives.gov/preservation/formats/audio-identify-formats.html#:~:text=Other%20Types%20of%20Magnetic%20Audio%201%20Wire%20Recording.,and%20are%20magnetic%20tapes%20that%20store%20audio%20digitally.
Chapter 7. Magnetic Recording Fundamentals
http://www.lintech.org/comp-per/07MAGREC.pdf
Magnetic Recording Fundamentals 3 Consider the familiar audio cassette tape recorder in Figure 0-2. The recording/playback head is made of easily magnetised ferrite material and has a small air-gap γ at the point where it comes into contact with the recording tape, δ = 0. When energised, the coil winding on the
History of Magnetic Recording (Who and When Invented ...
https://recording-history.org/history-of-magnetic-recording/
The magnetic tape is the one that stores the data from a magnetic recording. The storing happens when the magnetic tape converts electrical signals from the audio into magnetic energy. This magnetic energy is the one responsible for imprinting the audio in the moving tape filled with magnetic particles.
magnetic recording | electronics | Britannica
https://www.britannica.com/technology/magnetic-recording
magnetic recording, method of preserving sounds, pictures, and data in the form of electrical signals through the selective magnetization of portions of a magnetic material. The principle of magnetic recording was first demonstrated by the Danish engineer Valdemar Poulsen in 1900, when he introduced a machine called the telegraphone that recorded speech magnetically on …
Magnetic Recording | Encyclopedia.com
https://www.encyclopedia.com/science-and-technology/technology/technology-terms-and-concepts/magnetic-recording
The discovery of electromagnetism. Before 1820, magnetism and electricity were two …
The History of Magnetic Recording - Audio Engineering …
http://www.aes-media.org/historical/html/recording.technology.history/magnetic4.html
At the Paris fair, Poulsen recorded the voice of Emperor Franz Joseph, today preserved in the Danish Museum of Science and Technology as the oldest magnetic sound recording. Poulsen stopped his work on magnetic recording and turned to radio after 1902, and only a small number of his machines were made in Denmark and Germany.
Magnetic Recording: Analog Tape - Stanford University
https://ccrma.stanford.edu/~jay/subpages/Lectures/Lecture7-Magnetic_recording.pdf
Magnetic recording relies on the imposition of a magnetic field, derived from an electrical signal, on a magnetically susceptible medium that becomes magnetized. The magnetic medium employed in analog recording is magnetic tape: a thin plastic ribbon with randomly oriented microscopic magnetic particles glued to the surface. The record head magnetic
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