Patent ID: 7064261

Claim:
An electronic musical score device, comprising: an audio unit for receiving a sound signal; an audio recognition unit for performing an audio frequency recognition process to the sound signal to obtain a recognized musical note; a storage unit for storing the recognized musical note; a microprocessor unit for receiving musical score data with a plurality of standard musical notes and at least one recognized musical note and comparing the at least one recognized musical note with the plurality of standard musical notes to find a corresponding position for the at least one recognized musical note in the music score data, wherein the music score data is capable of segmentation into at least one page, each page having a plurality of measures and each measure has at least one standard musical note; a display unit for displaying at least one page of the musical score data, wherein when the at least one recognized musical note is located at a predetermined position in at least one page of the music score data, the microprocessor unit displays another page of the musical score data; a speaker unit for playing the at least one recognized musical note stored in the storage unit under control of the microprocessor unit; and a tuner for providing a correct tune to compare to a played tune to obtain an error value, storing the error value in the storage unit and displaying the error value on the displaying unit so that a user can tune during a performance.