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microphones [2023/04/01 16:16] – yairmicrophones [2023/04/01 16:26] – [recording ultrasonic] yair
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 ====== listening to plantes ====== ====== listening to plantes ======
 The_Secret_Life_of_Plants (1973) [[https://en.wikipedia.org/wiki/The_Secret_Life_of_Plants|wikipedia]]  \\  The_Secret_Life_of_Plants (1973) [[https://en.wikipedia.org/wiki/The_Secret_Life_of_Plants|wikipedia]]  \\ 
- +{{https://yair.cc/vidz/sff/2015_01/movies/The_Secret_Life_of_Plants_FULL-sGl4btrsiHk.webm-streamReady.ogv}} {{ youtube>l0vrsO3_HpU?}}
-{{https://yair.cc/vidz/sff/2015_01/movies/The_Secret_Life_of_Plants_FULL-sGl4btrsiHk.webm-streamReady.ogv}} {{youtube>l0vrsO3_HpU?}}+
  
 === current === === current ===
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 ==== recording ultrasonic ==== ==== recording ultrasonic ====
 === spu0410lr5 === === spu0410lr5 ===
-  
 using the MEMEs microphone, range of 100 Hz to 80 kHz using the MEMEs microphone, range of 100 Hz to 80 kHz
 +{{:pasted:20230401-162507.png }}
 +
 == from manufacture == == from manufacture ==
 +
   * [[https://www.digikey.com/en/ptm/k/knowles/ultrasonic-applications-for-knowles-electret-and-mems-microphones/tutorial|ultrasonic slideshow]]    * [[https://www.digikey.com/en/ptm/k/knowles/ultrasonic-applications-for-knowles-electret-and-mems-microphones/tutorial|ultrasonic slideshow]] 
   * {{:knowles-ultrasonic-application-note-an17.pdf|Ultrasonic Applications for Knowles Electret and MEMS Microphones}}   * {{:knowles-ultrasonic-application-note-an17.pdf|Ultrasonic Applications for Knowles Electret and MEMS Microphones}}
   * {{:analog-and-digital-mems-microphone-design-considerations-ms-2472.pdf|Analog and Digital MEMS Microphone Design Considerations}} [3]   * {{:analog-and-digital-mems-microphone-design-considerations-ms-2472.pdf|Analog and Digital MEMS Microphone Design Considerations}} [3]
   * {{:knowles_spu0410lr5h_qb-2935249.pdf|SPU0410LR5H}} datasheet    * {{:knowles_spu0410lr5h_qb-2935249.pdf|SPU0410LR5H}} datasheet 
-  *  +  * https://wiki.sipeed.com/soft/maixpy/en/develop_kit_board/module_microphone.html 
-{{:pasted:20230401-142901.png?400}}  + 
-{{:pasted:20230401-142908.png?400}}+{{ :pasted:20230401-142901.png?400}}  
 +{{ :pasted:20230401-142908.png?400}}
  
 == in the field == == in the field ==
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 [1] see also other work from  [[https://steinhardt.nyu.edu/people/charlie-mydlarz|charlie-mydlarz]], and his [[https://www.cmydlarz.com/|website]] and [[https://steinhardt.nyu.edu/marl|marl]] \\  [1] see also other work from  [[https://steinhardt.nyu.edu/people/charlie-mydlarz|charlie-mydlarz]], and his [[https://www.cmydlarz.com/|website]] and [[https://steinhardt.nyu.edu/marl|marl]] \\ 
 [2] https://www.justinsalamon.com/publications.html \\  [2] https://www.justinsalamon.com/publications.html \\ 
-[3] good info at https://www.zachpoff.com/resources/cheap-microphones-for-ultrasound/ \\ +[3] good info at https://www.zachpoff.com/resources/cheap-microphones-for-ultrasound/  
 +  
 + 
 +---- 
 + 
 +using [[https://www.prc68.com/I/PSOSC.shtml|polaroid]] hack for bat listening 
 + 
 +{{:pasted:20230401-162032.png}} 
 + 
 +{{:pasted:20230401-162159.jpeg?400}} 
 + 
 + 
 +---- 
 +https://www.eevblog.com/forum/projects/20khz-to-120khz-acoustic-transducer-(speaker)/
  
 ==== sonyc ==== ==== sonyc ====