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Contents. Compact Cassette tape types and formulations. Standardized notches for automatic tape selection. Top to bottom: Type I (and Type III), Type II, Type IV. Audio compact cassettes use magnetic tape of three major types which differ in fundamental magnetic properties, the level of bias applied during recording, and the optimal time ...
Tape bias. Visualization of the magnetic field on a stereo cassette containing a 1 kHz audio tone. Individual high-frequency magnetic domains are visible. Tape bias is the term for two techniques, AC bias and DC bias, that improve the fidelity of analogue tape recorders. DC bias is the addition of direct current to the audio signal that is ...
The two-head cross-field system also had problems. One was the need to keep the heads in proper alignment, which was tricky for the average user. Additionally, dirt on the tape of record head that lifted the tape away from the record head pushed it closer to the bias head, re-introducing the self-erasure problem.
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Chromium dioxide or chromium (IV) oxide is an inorganic compound with the formula CrO 2. It is a black synthetic magnetic solid. [3] It once was widely used in magnetic tape emulsion. [4] With the increase in popularity of CDs and DVDs and more recently digital media, the use of chromium (IV) oxide has declined.
The thickest tape normally used in cassettes is about 16-18 μm in thickness, and is used in C60 cassettes and in shorter lengths such as the C46. As the standard tape speed for a compact cassette is 1 + 7 ⁄ 8 ips (4.75 cm/s) and a C60 cassette records 30 minutes per side, a C60 cassette in theory holds 281 + 1 ⁄ 4 ft (85.73 m) of tape. In ...
The magnetic tape is marked and cut with a blade. Adhesive tape is applied to the back side of the magnetic tape which secures the edit. Tape editing is performed simply by cutting the tape at the required point and rejoining it to another section of tape using adhesive tape, or sometimes glue; it is called a splice. The adhesive tape used in ...
Timeline of audio formats. An audio format is a medium for sound recording and reproduction. The term is applied to both the physical recording media and the recording formats of the audio content —in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.
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