Patents/Inventors

Christopher Heider

Baltimore, MDUS1 patent

2 Patents

US120038002024
Methods and Apparatus to Determine Headphone Adjustment for Portable People Meter Listening to Encoded Audio Streams
0 cites
US116017012023
Methods and Apparatus to Determine Headphone Adjustment for Portable People Meter Listening to Encoded Audio Streams
The Nielsen Company (US), LLC
0 cites