A tuner is a professional who adjusts the pitch of musical string instruments such as pianoPiano is a common abbreviation for pianoforte a large musical instrument with a keyboard (see keyboard instrument). Its sound is produced by strings stretched on a rigid frame. These vibrate when struck by felt-covered hammers, which are activated by thes using a tuning forkA tuning fork is a simple metal two-pronged fork with the tines formed from a U-shaped bar of elastic material (usually steel). When set vibrating with a blow from a mallet, and after waiting a moment to allow some high overtones to die out, a tuning fork, or a frequency counterA frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. Since frequency is defined as the number of events of a particular sort occurring in a set period of time, it is generally a straightforward thing electronic device using a quartz crystal , as a frequency reference.
This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.
