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The changes in frequency are caused by irregular tape motion during recording or playback. For example, a change in the angular velocity of the capstan, or dragging of the tape within a reel or audio cassette shell. The terms "wow and flutter" are often referred to together, flutter being a higher-rate version of wow.
Wow and flutter are particularly audible on music with oboe, string, guitar, flute, brass, or piano solo playing. While wow is perceived clearly as pitch variation, flutter can alter the sound of the music differently, making it sound ‘cracked’ or ‘ugly’.
"Wow" is slow speed (a few Hz) variation, caused by longer-term drift of the drive motor speed, whereas "flutter" is faster speed (a few tens of Hz) variations, usually caused by mechanical defects such as out-of-roundness of the capstan of a tape transport mechanism. The measurement is given in % and a lower number is better.
Instructions per second (IPS) is a measure of a computer's processor speed. For complex instruction set computers (CISCs), different instructions take different amounts of time, so the value measured depends on the instruction mix; even for comparing processors in the same family the IPS measurement can be problematic.
The ISQ symbols for the bit and byte are bit and B, respectively.In the context of data-rate units, one byte consists of 8 bits, and is synonymous with the unit octet.The abbreviation bps is often used to mean bit/s, so that when a 1 Mbps connection is advertised, it usually means that the maximum achievable bandwidth is 1 Mbit/s (one million bits per second), which is 0.125 MB/s (megabyte per ...
Clipping can occur within a system as processing (e.g. an all-pass filter) can change the phase relationship between spectral components of a signal in such a way as to create excessive peak outputs. The excessive peaks may become clipped even though the system can play any simple sine wave signals of the same level without clipping.
War on Want, a British anti-poverty charity; Warbirds Over Wanaka, a biennial international airshow held in New Zealand; Wide Open West, an American ISP, internet, cable, and phone company
In patch 3.0.2, preceding the release of the World of Warcraft expansion pack, Wrath of the Lich King, Blizzard included a "Make Love, Not Warcraft" PvP achievement, gained by using the "hug" emote on a dead enemy before they release their spirit. [9]