Patent comparison

Compare Patents

Compare two patents side by side. Add ?a=us/7657849&b=us/8046721 to the URL to load specific patents.

US 8168877

Musical harmony generation from polyphonic audio signals

Melody and accompaniment audio signals are received and processed to identify one or more harmony notes and a harmony signal is produced based on the one or more harmony notes. Typ…

Statusactive

Granted2012

Expires2027

Claims78

Forward citations24

Prior art8

AssigneeHarman International Industries Canada Ltd

InventorsGlen a. Rutledge, William Norman Campbell +1

Read full analysis →

Patent B

Add ?b=us/7657849 to compare

Find a patent

How to use

Bookmark a comparison URL to save it. Format: /compare?a=[country]/[number]&b=[country]/[number]. Example: /compare?a=us/7657849&b=us/8046721