====== listening to plantes ======
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?}}

The sound machine 1947 https://archive.is/SI8iv
=== current ===
recently sound of planets is having a comeback!

{{:piis0092867423002623.pdf|"Sounds emitted by plants under stress are airborne and informative"}}, more media [[https://www.cell.com/cell/fulltext/S0092-8674(23)00262-3|here]] 

{{:mmc2.mp3}}
> an audio sample of the actual tomato recordings, after downsampling to the audible range and condensation in time

=== in media ===
articles related to Khait paper 
  * [[https://archive.is/QKUQz|haarezt]]
  * [[https://archive.is/fJheR|guardian]]

clip from guardian \\ 
{{:scientists_detect_ultrasonic_popping_sounds_from_plants_when_they_are_deprived_of_water_audio_hmcg41ykfqo_.webm}}


===== recording ultrasonic =====
==== spu0410lr5 ====
using the MEMEs microphone, range of 100 Hz to 80 kHz
{{:pasted:20230401-162507.png }}

=== from manufacture ===

  * [[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}}
  * {{: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 
  * https://wiki.sipeed.com/soft/maixpy/en/develop_kit_board/module_microphone.html

{{:pasted:20230401-142901.png?400}} 
{{:pasted:20230401-142908.png?400}}

=== in the field ===
from mydlarz et el [1][2] \\ 
  * {{:mydlarz_aes_mems_mics_2014.pdf|The Implementation of MEMS Microphones for Urban Sound Sensing}}(2014)
  * {{:mydlarz_euronoise_2015.pdf|The design and calibration of low cost urban acoustic sensing devices}}(2015) 


[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 \\ 
[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}}


output > [[https://www.eevblog.com/forum/projects/20khz-to-120khz-acoustic-transducer-(speaker)/|20khz-to-120khz-acoustic-transducer/speaker]]

==== sonyc ====
https://wp.nyu.edu/sonyc/


electrical Georges_Lakhovsky #HatersGonaHate

{{ :pasted:20230412-185731.png}}