Active impedance control of a loudspeaker and its parallel combination with porous materials for broadband sound absorption
Fengyan An, Peng Zhao, Xin Li, Qianqian Wu, Bilong Liu
Topics & Concepts
LoudspeakerAcousticsMicrophoneAcoustic impedanceDiaphragm (acoustics)Noise reduction coefficientElectrical impedanceResonatorCharacteristic impedanceAbsorption (acoustics)Materials scienceEngineeringPhysicsElectrical engineeringPorosityUltrasonic sensorComposite materialAcoustic Wave Phenomena ResearchVibration Control and Rheological FluidsHearing Loss and Rehabilitation