Technology trends
Patent search
Sign In
Sign Up
Patent classifications
H
ELECTRICITY
Load children
H04
ELECTRIC COMMUNICATION TECHNIQUE
Load children
H04S
STEREOPHONIC SYSTEMS
Load children
2420/00
Techniques used stereophonic systems covered by H04S but not provided for in its groups
Load children
Filter patents
View analytics
View as hierarchy
H04S2420/03
Application of parametric coding in stereophonic audio systems
Filter patents
View analytics
View as hierarchy