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India
That device is called a mute, and it is usually put into the instrument so that the sound will not disturb people and it is not as loud.
Ligasure (Energy Based Device to Seal Vessels)
It's a little device you put in the bell of a brass instrument to change the sound. It comes out as quieter and sounds like the instrument has a cold
An oscilloscope is a device that measures oscillations, such as from current or voltage. For electric instruments, such as an electric guitar, this device can be important to help make sure that the instrument and its equipment are functioning properly before a concert.
India
The common name for the timekeeping device sometimes known as a shadow clock is a sundial.
The correct spelling is "clock" (timekeeping device).
a violin is an instrument
device
Instrument Transformer
The word instrument is a noun. It is a device used to produce music.
Device, equipment, instrument, etc.
instrument, device, means, apparatus
Generally, a MIDI instrument is an input device. It takes the musical data from the user who plays it. Playing the instrument sends input into the computer. However, depending on the instrument, such as if the instrument is standalone, it can possibly be used as an output device as well. Files stored on the computer could cause the instrument to play. So some are strictly input devices and some are I/O devices.
Generally, a MIDI instrument is an input device. It takes the musical data from the user who plays it. Playing the instrument sends input into the computer. However, depending on the instrument, such as if the instrument is standalone, it can possibly be used as an output device as well. Files stored on the computer could cause the instrument to play. So some are strictly input devices and some are I/O devices.
speedometer for example