| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a guitar tuner which has simple structure and is easily used capable of preventing cutting of the first string which is most likely to be cut.SOLUTION: A guitar tuner has: an input part 20 which takes in input sound; a pitch detection part 30 which detects pitch of the taken-in input sound; a string number and note discrimination part 40 which discriminates a string number and a note from the pitch of the input sound; a pitch deviation calculation part 50 which calculates pitch deviation of the pitch to reference pitch to be determined from the note; a determination part 60 which determines whether or not the pitch deviation is equal to or more than a predetermined value when the string number is 1, and outputs a warning signal when it is determined that the pitch deviation is equal to or more than the predetermined value; a string number and note display part 72 which displays the string number and the note; a pitch deviation display part 71 which displays the pitch deviation; and a warning display part 73 which displays warning based on the warning signal.</p> |
