1. Telephone handset, a cordless telephone or a mobile telephone, Kirk acoustics;Andersen,1998
2. Adaptive HR filters for loudspeaker parameter tracking, in the second AES conference;Bright,2007
3. The mechanisms creating wind noise in microphones, in the 114th AES convention;Bradley,2003
4. http://www.bksv.com/.
5. Electroacoustic transducer;Sessler,1962