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Adding_Audio.txt
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Adding_Audio.txt
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Adding audio is a tricky thing to do. You can do it via the cheap method (USB sound card) or the expensive method (cirrus logic audio card)
Cirrus cards are really expensive. So the safer way would be buying a cheap USB sound card.
<<<Few Tutorials>>>
***************************************
software for recording video with audio
***************************************
https://github.com/iizukanao/picam
***************************************
https://learn.adafruit.com/usb-audio-cards-with-a-raspberry-pi/cm108-type
http://electricgardener.net/installing-cm108-audio-controller-raspberry-pi
recording audio arecord -f S16_LE -Dplug:default -d 4500 test.wav
recording audio arecord -f S16_LE -Dplug:default -d 4500 test.wav
Adding the
1) Adding an usb mic. https://www.quora.com/How-do-I-set-up-a-microphone-on-Raspberry-pi-And-how-to-get-an-input-from-it
2) Second one: https://raspberrypi.stackexchange.com/questions/43320/raspberry-pi-3-audio-input
5) >>>raspberry-pi-video-and-audio-recording-and-streaming-guide<<<
> https://hmbd.wordpress.com/2016/08/01/raspberry-pi-video-and-audio-recording-and-streaming-guide/
6) >>>An Instructable project<<< Read only the step where adding a mic is covered (step 4)
http://www.instructables.com/id/Raspberry-Pi-Based-Wireless-Microphone/
7) >>>Homemade MIC for Pi<<< (This one only needs an IC and some soldering skills :) )
https://raspberrypi.stackexchange.com/questions/9618/microphone-for-a-project
Tutorials : http://www.keywordsking.com/cmFzcGJlcnJ5IHBpIHdpdGggbWlj/
http://www.hertaville.com/interfacing-an-spi-adc-mcp3008-chip-to-the-raspberry-pi-using-c.html
The chip only cost about INR 200, here is the link.
http://in.element14.com/microchip/mcp3008-i-p/10bit-adc-2-7v-8ch-spi-16dip/dp/1627174
8) Finally, upgrading the usb microphone (using a sound card)
http://www.instructables.com/id/USB-Microphone/
http://www.instructables.com/id/Coco-Mic-The-DIY-Studio-Quailty-USB-Mic-MEMS-techn/