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Chalkboard scraping. Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its ...
A DJ scratching a record. Scratching, sometimes referred to as scrubbing, is a DJ and turntablist technique of moving a vinyl record back and forth on a turntable to produce percussive or rhythmic sounds. A crossfader on a DJ mixer may be used to fade between two records simultaneously.
Scratch is a high-level, block-based visual programming language and website aimed primarily at children as an educational tool, with a target audience of ages 8 to 16. [8] Users on the site can create projects on the website using a block-like interface. Scratch was conceived and designed through collaborative National Science Foundation ...
The liver scratch test is a type of auscultatory percussion that uses the difference in sound transmission between solid and hollow organs in the abdominal cavity in order to locate the inferior edge of the liver. [3] [4] [1] The test is most commonly performed by placing the stethoscope below the xiphoid process and lightly scratching the skin ...
Scratch input using geophones (contact microphones) bonded to each fingernail as a musical instrument. The awful sounds generated by running fingernails down the chalkboard are separately pitch-corrected, resulting in a pleasant-sounding musical instrument. In computing, scratch input is an acoustic-based method of Human-Computer Interaction ...
Light board operator. An example of stage lighting controlled by a light board operator during a live WWE televised event. The light board operator (commonly referred to as the "Light Op" or "Board Op"), is the electrician who operates and may even program the light board. They are considered part of the "Electrics" Department or LX Department.
The best thing to help reduce your cat scratching up your furniture is to place scratch posts where your cats like to hang out. Also, giving them safe hiding places, higher up, can help reduce ...
Chicken scratch (also known as waila music) is a kind of dance music developed by the Tohono O'odham people. The genre evolved out of acoustic fiddle bands in southern Arizona, in the Sonoran desert. These bands began playing European and Mexican tunes, in styles that include the polka, schottisch and mazurka.