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  1. Very high frequency - Wikipedia

    en.wikipedia.org › wiki › Very_high_frequency

    Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz), with corresponding wavelengths of ten meters to one meter. Frequencies immediately below VHF are denoted high frequency (HF), and the next higher frequencies are known as ultra high frequency (UHF).

    • 10 to 1 m
    • 30 MHz to 300 MHz
  2. Pitch (music) - Wikipedia

    en.wikipedia.org › wiki › Pitch_(music)

    In atonal, twelve tone, or musical set theory a "pitch" is a specific frequency while a pitch class is all the octaves of a frequency. In many analytic discussions of atonal and post-tonal music, pitches are named with integers because of octave and enharmonic equivalency (for example, in a serial system, C ♯ and D ♭ are considered the same ...

  3. VHF omnidirectional range - Wikipedia

    en.wikipedia.org › wiki › VHF_omnidirectional_range

    It uses frequencies in the very high frequency (VHF) band from 108.00 to 117.95 MHz. Developed in the United States beginning in 1937 and deployed by 1946, VOR is the standard air navigational system in the world, [2] [3] used by both commercial and general aviation.

  4. High frequency - Wikipedia

    en.wikipedia.org › wiki › High_frequency

    High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz). It is also known as the decameter band or decameter wave as its wavelengths range from one to ten decameters (ten to one hundred meters).

    • 100 to 10 m
    • 3 to 30 MHz
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  6. Glossary of music terminology - Wikipedia

    en.wikipedia.org › wiki › Glossary_of_music_terminology

    Symbol at the very end of a staff of music which indicates the pitch for the first note of the next line as a warning of what is to come. The custos was commonly used in handwritten Renaissance and typeset Baroque music. cut time Same as the meter 2 2: two half-note (minim) beats per measure. Notated and executed like common time (4

  7. Comparison of analog and digital recording - Wikipedia

    en.wikipedia.org › wiki › Comparison_of_analog_and

    The frequency response for a conventional LP player might be 20 Hz to 20 kHz, ±3 dB. The low frequency response of vinyl records is restricted by rumble noise (described above), as well as the physical and electrical characteristics of the entire pickup arm and transducer assembly. The high frequency response of vinyl depends on the cartridge.

  8. Super Audio CD - Wikipedia

    en.wikipedia.org › wiki › Super_Audio_CD

    DSD's frequency response can be as high as 100 kHz, but frequencies that high compete with high levels of ultrasonic quantization noise. With appropriate low-pass filtering , a frequency response of 20 kHz can be achieved along with a dynamic range of nearly 120 dB, which is about the same dynamic range as PCM audio with a resolution of 20 bits.

  9. Very - Wikipedia

    en.wikipedia.org › wiki › Very

    Very (Martian crater), named after Frank Washington Very; Music. Very (Pet Shop Boys album) Very (Dreamscape album) Very, an album by Miki Furukawa; Businesses. Very (online retailer), a British online retailer; VERY TV, a television channel in Thailand; People. Edward Wilson Very (1847–1910), US Navy officer, inventor of the Very flare gun

  10. Pickup (music technology) - Wikipedia

    en.wikipedia.org › wiki › Pickup_(music_technology)

    The piezo pickup gives a very wide frequency range output compared to the magnetic types and can give large amplitude signals from the strings. For this reason, the buffer amplifier is often powered from relatively high voltage rails (about ±9 V) to avoid distortion due to clipping .