Laser Microphone: Difference between revisions
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(Created page with '==Random Thoughts== * notch filter to block 60hz hum * bandpass filters to block out all but voice range. ** Possibly adjustable in case someone's voice is deeper/higher') |
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* bandpass filters to block out all but voice range. | * bandpass filters to block out all but voice range. | ||
** Possibly adjustable in case someone's voice is deeper/higher | ** Possibly adjustable in case someone's voice is deeper/higher | ||
==Notch Filter== | |||
* http://www.members.shaw.ca/roma/nine.html | |||
** Has schematics specifically for 60hz hum | |||
** Might also be an amplifier | |||
Revision as of 19:50, 10 June 2010
Random Thoughts
- notch filter to block 60hz hum
- bandpass filters to block out all but voice range.
- Possibly adjustable in case someone's voice is deeper/higher
Notch Filter
- http://www.members.shaw.ca/roma/nine.html
- Has schematics specifically for 60hz hum
- Might also be an amplifier