Wow & flutter explained

Audio-Technica stroboscopic disc and strobe light (turntablelab.com)
From the instruction manual to Leader LFM-39A wow and flutter meter
From Tuning Fork magazine, by Pioneer Electronics (No4, 1980)
From Tuning Fork magazine, by Pioneer Electronics (No4, 1980)
From Tuning Fork magazine, by Pioneer Electronics (No4, 1980)
From the instruction manual to A248 wow and flutter meter, Amalgamated Wireless Ltd.
Adapted from Tuning Fork magazine, by Pioneer Electronics (No4, 1980)
Quasi-peak: more weight is given to longer impulses
From Electromagnetic Compliance: a view from the field by Vladimir Kraz
Description of the major wow & flutter evaluation methods (Rohde&Schwartz, 1997)
Adapted from Tuning Fork magazine, by Pioneer Electronics (1980)
Leader LFM-39A wow & flutter meter (www.hifiengine.com)
Kenwood FL-140 wow-flutter meter
Kikusui 6701 wow & flutter meter
From the instruction manual to wow & flutter meter Model 1035, Dynascan corporation.
Measurements by Artur Kwiatkowski
Measurements by Artur Kwiatkowski
Measurements by Artur Kwiatkowski
From Philips PM6307 wow & flutter meter instruction manual
Soviet state standard GOST 24863–87
Soviet state standard GOST 24863–87
Mayak-010 cassette deck
ABEX 3 kHz test tape
WFGUI by Alex Freed
Wow & flutter chart by AudioCraft2013
Wow & flutter specifications of several cassette decks
From 1954 Ampex tape recording catalog
As shown on the electronics-tutorials.ws
As shown on the electronics-tutorials.ws

Average value = 0.637 × maximum or peak value

As shown on the electronics-tutorials.ws

Root mean squared value = 0.707 × maximum or peak value

From Wow and Flutter Measurement using Multi-Instrument by Virtins Technology

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