Boosting the amplitudes of highįrequencies in the signal before recording makes them High-frequency "surface noise" which is present regardless Reducing the amplitudes of lowįrequencies is thus a way to fit more program material onto aĬonversely, the vinyl recording medium has lots of Limiting the amount of program material that can be recorded Prevent "cutover" of the groove wall into the adjacent one, Head means that, for a constant input amplitude, lowįrequencies produce a larger side-to-side excursion than The constant velocity nature of the record cutting That reduces the amplitude of low frequencies and boosts Phonograph records are recorded with a special equalization White Noise Input With Inverse RIAA On Spectrum.Histogram (PSTH) THD Meter IMD Meter Precision Phase Meter Pulse Meter Macro System Multi-Trace Arrays Trigger Controls Auto-Calibration Spectral Peak Track Spectrum Limit Testing Direct-to-Disk Recording AccessibilityĪpplications: Frequency response Distortion measurement Speech and music Microphone calibration Loudspeaker test Auditory phenomena Musical instrument tuning Animal sound Evoked potentials Rotating machinery Automotive Product test Contact us about MHz Frequencies Data Logger Waveform Averager Histogram Post-Stimulus Time Forever!) Engine Simulator LCR Meter Remote Operation DC Measurements True RMS Voltmeter Sound Level Meter Frequency Counter (Absolutely FREE!) Spectrogram Pitch Tracker Pitch-to-MIDI DaqMusiq Generator
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