Halfbakery: product: audio: microphone http://www.halfbakery.com/view/fc=4169:s=c:d=iw:dn=100:ds=A:i=Ideas_20are_20sorted_20alphabetically_2e_3cbr_3e_0d_0a_3ccreated_3e:t=product_3a_20audio_3a_20microphone?op=editview Ideas are sorted alphabetically.<br> <created> Halfbakery (mailto:bakesperson@gmail.com) 40KHz microphone bias tone (0.5) http://www.halfbakery.com/idea/40KHz_20microphone_20bias_20tone Bat Ear Microphone (1.0) http://www.halfbakery.com/idea/Bat_20Ear_20Microphone Cellphone warning Microphone (0.5) http://www.halfbakery.com/idea/Cellphone_20warning_20Microphone "cochlear" microphone (0.5) http://www.halfbakery.com/idea/_22cochlear_22_20microphone I Sing, You Sing (1.0) http://www.halfbakery.com/idea/I_20Sing_2c_20You_20Sing karaoke confusion (1.0) http://www.halfbakery.com/idea/karaoke_20confusion Menslie Speaker Microphone (-0.5) http://www.halfbakery.com/idea/Menslie_20Speaker_20Microphone nanophones (0.5) http://www.halfbakery.com/idea/nanophones Optical Microphone (0.5) http://www.halfbakery.com/idea/Optical_20Microphone Oscar the Grouch Phone (0.5) http://www.halfbakery.com/idea/Oscar_20the_20Grouch_20Phone Parrot-Bull-horn (0.5) http://www.halfbakery.com/idea/Parrot-Bull-horn Saltwater Hydrophone (-0.5) http://www.halfbakery.com/idea/Saltwater_20Hydrophone Spy microphone (1.0) http://www.halfbakery.com/idea/Spy_20microphone Twin radio mic (1.0) http://www.halfbakery.com/idea/Twin_20radio_20mic webmic (0.0) http://www.halfbakery.com/idea/webmic Wireless Microphone Identifier (0.5) http://www.halfbakery.com/idea/Wireless_20Microphone_20Identifier