 Wow and flutter measurement

Wow and flutter are terms used to describe variations in the pitch of a sound, typically in recorded audio, caused by mechanical imperfections or fluctuations in the playback speed of a tape or vinyl record. ### Wow - "Wow" refers to slow, low-frequency variations in pitch, typically ranging from about 0.5 to 5 Hz. - This can occur due to irregularities in the speed of the playback system, such as mechanical issues in turntables or tape transport systems.