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microphones [2023/04/01 16:22] – [recording ultrasonic] yair | microphones [2023/04/02 15:03] – 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?}} |
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| The sound machine 1947 https://archive.is/SI8iv |
=== current === | === current === |
recently sound of planets is having a comeback! | recently sound of planets is having a comeback! |
* [[https://archive.is/fJheR|guardian]] | * [[https://archive.is/fJheR|guardian]] |
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clip from guardian | clip from guardian \\ |
{{:scientists_detect_ultrasonic_popping_sounds_from_plants_when_they_are_deprived_of_water_audio_hmcg41ykfqo_.webm}} | {{:scientists_detect_ultrasonic_popping_sounds_from_plants_when_they_are_deprived_of_water_audio_hmcg41ykfqo_.webm}} |
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==== recording ultrasonic ==== | ===== recording ultrasonic ===== |
=== spu0410lr5 === | ==== spu0410lr5 ==== |
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using the MEMEs microphone, range of 100 Hz to 80 kHz | using the MEMEs microphone, range of 100 Hz to 80 kHz |
== from manufacture == | {{:pasted:20230401-162507.png }} |
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| === from manufacture === |
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* [[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]] |
* {{: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 |
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{{:pasted:20230401-142901.png?400}} | {{:pasted:20230401-142901.png?400}} |
{{:pasted:20230401-142908.png?400}} | {{:pasted:20230401-142908.png?400}} |
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== in the field == | === in the field === |
from mydlarz et el [1][2] \\ | from mydlarz et el [1][2] \\ |
* {{:mydlarz_aes_mems_mics_2014.pdf|The Implementation of MEMS Microphones for Urban Sound Sensing}}(2014) | * {{: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) | * {{:mydlarz_euronoise_2015.pdf|The design and calibration of low cost urban acoustic sensing devices}}(2015) |
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using [[https://www.prc68.com/I/PSOSC.shtml|polaroid]] hack for bat listening | using [[https://www.prc68.com/I/PSOSC.shtml|polaroid]] hack for bat listening |
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{{:pasted:20230401-162032.png}}{{:pasted:20230401-162159.jpeg}} | {{:pasted:20230401-162032.png}} |
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| output > [[https://www.eevblog.com/forum/projects/20khz-to-120khz-acoustic-transducer-(speaker)/|20khz-to-120khz-acoustic-transducer/speaker]] |
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==== sonyc ==== | ==== sonyc ==== |