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The knowledge of the recorded signal amplitude on a magnetic record (which may be in the form of a tape, a disc, oτ a perforated film) has several practical uses: (1) for determining and standardizing references for the levels of audio programs on these magnetic records; (2) for specifying the recording-performance properties of magnetic media (for example, the distortion versus flux, etc); and (3) for measuring and specifying the sensitivity of reproducing heads (and also, by reciprocity, recording heads). The quantity for specifying the recorded signal is the short-circuit magnetic flux, sometimes simply shortened to flux. Several possible methods exist for measuring tape flux, but the measurement given here involves only the use of a calibrated ring-core head which is described in the reference of the standard. Note that the present standard measurement is only for "medium wavelengths".
Magnetic recorders and recording. --- Magnetic tapes. --- Sound --- Recording and reproducing.
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Magnetic recorders and recording. --- Tribology. --- Magnetic disks. --- Magnetic tapes.
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Data tapes. --- Hydraulic servomechanisms. --- Magnetic tapes. --- Structural stability --- Testing.
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Risk assessment. --- Magnetic tapes --- Records disposal --- Government policy
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Frottement --- Lubrification --- Magnetic recorders and recording. --- Tribology. --- Magnetic disks. --- Magnetic tapes.
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Polycrystalline semiconductors. --- Magnetic tapes. --- Magnetic recorders and recording --- Humidity. --- Adhesion. --- Ferrite. --- Space vehicles --- Heads. --- Electronic equipment --- Reliability.
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Mass communications --- Video tapes --- #SBIB:309H160 --- Tape recordings, Video --- Tapes, Video --- Videotapes --- Magnetic tapes --- Video recordings --- Television film --- Video: algemene werken --- Video tapes. --- #BSCH: vak: --- Schoolbooks - Didactic material --- #BSCH: vak: technologie --- Communication --- Videophone
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