COMPUTERIZED TUNING AND METRE DUAL-PURPOSE INSTRUMENT

• Main Author: YUAN ZIYI
• Format: Patent
• Language: English
• Published: 20.05.1992
• Edition: 5
• Subjects: ACOUSTICS; HOROLOGY; MUSICAL INSTRUMENTS; PHYSICS; PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICALINSTRUMENTS WITH ONE OR MORE KEYBOARD; TIME-INTERVAL MEASURING

The utility model discloses a computerized tuning and tempo dual-purpose instrument for a piano verifying tone and playing music tempo rate. The computerized tuning and tempo dual-purpose instrument is composed of a single-chip microcomputer control circuit, a numeric keyboard, an input circuit, a decoder drive circuit, a digital display circuit, an audio power amplification circuit, a loudspeaker and a direct-current working power supply. The single-chip microcomputer control circuit is used as the storing and outputting control element of tuning programs and tempo rate programs. The computerized tuning and tempo dual-purpose instrument is characterized in that the tone verifying accuracy is higher; even if an ordinary person learning music can also use the computerized tuning and tempo dual-purpose instrument to verify the pitch of each sound key of the piano; the stability of the tempo rate is better, in particular two functions; the tone verifying and the tempo rate playing are realized in one instrument, only software is required to be increased, but basically hardware cost is not increased.