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Optical discs are most commonly used for digital preservation, storing music (particularly for use in a CD player), video (such as for use in a Blu-ray player), or data and programs for personal computers (PC), as well as offline hard copy data distribution due to lower per-unit prices than other types of media.
An illustration of some of the optical devices available for laboratory work in England in 1858. An optical instrument is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic properties.
The bonang is an Indonesian musical instrument used in the Javanese gamelan. [1] It is a collection of small gongs (sometimes called "kettles" or "pots") placed horizontally onto strings in a wooden frame (rancak), either one or two rows wide.
Enhanced Music CD, also known as CD Extra or CD Plus, is a format that combines audio tracks and data tracks on the same disc by putting audio tracks in a first session and data in a second session. It was developed by Philips and Sony, and it is defined in the Blue Book .
There are several tolerance methods: . The traditional "minimum weight" system where weights below a specified weight are rejected. Normally the minimum weight is the weight that is printed on the pack or a weight level that exceeds that to allow for weight losses after production such as evaporation of commodities that have a moisture content.
Optical music recognition (OMR) is a field of research that investigates how to computationally read musical notation in documents. [1] The goal of OMR is to teach the computer to read and interpret sheet music and produce a machine-readable version of the written music score.
Consequently, the term found its way into discussions in the now-defunct Hang-Music Forum on the Internet. [3] The successor of this forum was founded in 2009 and was called handpan.org. [ 4 ] In this way, the expression handpan found wide circulation as a new generic term for this group of instruments.
The tuning used is diatonic, according to the western music system, and can even be presented in an orchestral form. [9] In line with music theory, the angklung padaeng is divided into two groups: the melodic angklung and the akompanimen angklung. A melody angklung specifically consists of two sound tubes with a pitch difference of one octave.