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  2. 10 Seconds - Wikipedia

    en.wikipedia.org/wiki/10_Seconds

    10 Seconds is a television game show that aired on The Nashville Network from March 29 to September 24, 1993. After the last episode aired, the show went into reruns until March 25, 1994. The show was hosted by Dan Miller and announced by Don Dashiell.

  3. Orders of magnitude (frequency) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    100 Hz 100 Hz: Cyclic rate of a typical automobile engine at redline (equivalent to 6000 rpm) 261.626 Hz: Acoustic – the musical note middle C (C 4) 440 Hz: Acoustic – concert pitch (A above middle C; A 4), used for tuning musical instruments 716 Hz: Rotational period of one of the fastest known millisecond pulsars, PSR J1748−2446ad [4] 10 3

  4. Audio frequency - Wikipedia

    en.wikipedia.org/wiki/Audio_frequency

    Frequency (Hz) Octave Description 16 to 32 1st The lower human threshold of hearing, and the lowest pedal notes of a pipe organ. 32 to 512 2nd to 5th Rhythm frequencies, where the lower and upper bass notes lie. 512 to 2,048 6th to 7th Defines human speech intelligibility, gives a horn-like or tinny quality to sound. 2,048 to 8,192 8th to 9th

  5. MIDI tuning standard - Wikipedia

    en.wikipedia.org/wiki/MIDI_Tuning_Standard

    where "log" in the second expression is any logarithm (e.g. either the common logarithm log 10 , the natural logarithm ln ≡ log e , or any other). The quantity log 2 (⁠ f / 440 Hz ⁠) is the number of octaves above the 440 Hz concert A, or A 4, or a ′ .

  6. Missing fundamental - Wikipedia

    en.wikipedia.org/wiki/Missing_fundamental

    For example, when a note (that is not a pure tone) has a pitch of 100 Hz, it will consist of frequency components that are integer multiples of that value (e.g. 100, 200, 300, 400, 500.... Hz). Hz). However, smaller loudspeakers may not produce low frequencies, so in our example, the 100 Hz component may be missing.

  7. Piano key frequencies - Wikipedia

    en.wikipedia.org/wiki/Piano_key_frequencies

    This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440). [1] [2] Every octave is made of twelve steps called semitones.

  8. Interval ratio - Wikipedia

    en.wikipedia.org/wiki/Interval_ratio

    3-limit 9:8 major tone Play ⓘ. 5-limit 10:9 minor tone Play ⓘ. 7-limit 8:7 septimal whole tone Play ⓘ. 11-limit 11:10 greater undecimal neutral second Play ⓘ.. In music, an interval ratio is a ratio of the frequencies of the pitches in a musical interval.

  9. Ten seconds - Wikipedia

    en.wikipedia.org/wiki/Ten_seconds

    ten-second runoff, a type of penalty in gridiron football; The 10-second barrier in the sport of athletics; Ten-second rule or 10-second rule may refer to: . an American football rule whereby the remaining game time may be reduced by ten seconds if a team is considered to have intentionally delayed the game