Patent ID: 9357292
Filing Date: 2016-05-31
CPC Classification: H04R

Claim Text:
1. An electronic device, comprising: a case, comprising a wedging portion, a first acoustic opening and a second acoustic opening; an acoustic boot, wedged to the wedging portion, wherein the acoustic boot comprises a first recess, a second recess, a first extended duct and a second extended duct, wherein each duct comprises two sound ports, one located at each end of the each duct to communicate sound energy a microphone housing comprising a first sound inlet and a second sound inlet, covered by the acoustic boot, wherein the microphone housing comprises a first chamber and a second chamber, the first chamber is insulated from the second chamber, the first chamber is embedded in the first recess, and the second chamber is embedded in the second recess; a first microphone, disposed in the first chamber; and a second microphone, disposed in the second chamber wherein sound energy enters the case through the first and second acoustic openings and communicates with the first and second microphones by way of the sound ports located on both opposite ends of the first and second ducts, forming an extended inlet distance for sound to reach the first and second microphones, respectively.