the frequency of 440 hertz assigned to the A above middle C
pitch1 (sense 30), international pitch
2. informal
a state of extreme readiness
concert pitch in American English
Music
1.
a pitch, slightly higher than the usual pitch, to which concert instruments are sometimes tuned to achieve an increased brilliance of quality
2.
the standard pitch to which instruments are tuned and voices are pitched so as to be compatible in performance: it is currently designated as A above middle C, with a frequency of 440 vibrations per second
3.
the actual sound of a note written for a transposing instrument, as the trumpet
Examples of 'concert pitch' in a sentence
concert pitch
He won all 12 of those points and the rest of his game was approaching concert pitch.