speakerphone

n.

喇叭扩音器；

复数：speakerphones

Speakerphone
Computer controlled adaptive speakerphone
Speakerphone using digitally compressed audio to control voice path gain
Nonlinear Echo Cancellation For Hands-Free Speakerphones
Nonlinear acoustic echo cancellation with 2nd order adaptive Volterra filters
iFall: An android application for fall monitoring and response
Managing stored voice in the etherphone system
Effect of Spanish interpretation method on patient satisfaction in an urban walk-in clinic.
Pediatric telephone advice in the emergency department: results of a mock scenario
Nonlinear acoustic echo cancellation with 2nd order adaptive\nVolterra filters