Digital audio signal processor employing multiple filter fundame

Details Digital audio signal processor employing multiple filter fundame Digital audio signal processor employing multiple filter fundame

1990-08-07

1991-10-15

Hix, L. T.

Music

Accessories

Tuning devices

84DIG18, G10G 702

Patent

active

050563980

ABSTRACT:
A digital signal processing apparatus is provided for identifying the octave, note and cent of a musical sound. The apparatus includes a transducer for converting the musical sound into an electrical signal, a plurality of digital detection units, each dedicated to a particular sub-scanning interval within an overall frequency interval to be scanned, receiving the electrical signal from the transducer, for determining the octave, note and cent of the musical sound by detecting a fundamental frequency of the electrical signal; and a display unit, responsive to the detection unit, for displaying the note as an alphanumeric character and the cent as a positive or negative decimal integral number from -49 to +50 with zero cents representing perfect concert pitch.

REFERENCES:
patent: 3144802 (1964-08-01), Faber, Jr. et al.
patent: 4429609 (1984-02-01), Warrender
patent: 4434697 (1984-03-01), Roses
patent: 4457203 (1984-07-01), Schoenberg et al.
patent: 4523506 (1985-06-01), Hollimon

Affiliated with

Also associated with

Rating

Digital audio signal processor employing multiple filter fundame does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital audio signal processor employing multiple filter fundame, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital audio signal processor employing multiple filter fundame will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-982580