Inventor

WALKER II JOHN Q

US3 patents

⚠️ This page may combine multiple inventors who share the name “WALKER II JOHN Q”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZENPH STUDIOS INC

1 patent

US7598447B2Oct 6, 2009

Methods, systems and computer program products for detecting musical notes in an audio signal

ZENPH STUDIOS INC38 citations86

ZENPH SOUND INNOVATIONS INC

1 patent

US8008566B2Aug 30, 2011

Methods, systems and computer program products for detecting musical notes in an audio signal

ZENPH SOUND INNOVATIONS INC22 citations85

WALKER II JOHN Q

1 patent

US8093484B2Jan 10, 2012

Methods, systems and computer program products for regenerating audio performances

WALKER II JOHN Q14 citations76