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Raspberry Pi

Questions tagged [microphone]

The tag has no usage guidance.

14 questions
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9 views

Streaming microphone audio from Raspberry to PC and send back a responde created with a TTS software

The Pi will have a button and a microphone. The ideal scenario is like this: Someone presses a button The (USB) mic starts recording the audio (the recording needs to be saved for later research ...
1
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1answer
38 views

Connecting 50 Microphones on a raspberry pi

I want to create a microphone array like in the image below... How can I do it for a raspberry device ? I want the input to be stored for a few seconds on the sd card, and not to have a live stream, ...
1
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0answers
75 views

Constant beep when recording sound

I am using an external sound card with my Raspberry Pi 3 Model B+. I have already disabled the default bcm2835 sound card. I have checked that the my external sound card is active. I have turned up ...
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0answers
41 views

How to connect Bluetooth headphones with raspberry pi with mic working?

I am completely new to Raspberry pi and Linux based os . For my project I had bought a Raspberry pi b+ , and want to connect my Bluetooth headphones with it , now I couldn't verify whether my mic is ...
0
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1answer
54 views

How can I amplify my voice in real time just like a microphone does?

I am planning to make a microphone and speaker system to amplify my voice just like a normal microphone does. I have a sound sensor and a speaker... is there any Python code that I can use?
1
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1answer
77 views

Using a bluetooth headset as both audio and mic on a raspberry pi

I am looking to purchase a Bluetooth headset for a project of mine and I would love it if I could use it with my raspberry pi The headset I am looking to get is this one: https://www.gearbest.com/...
2
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0answers
31 views

Having issues with connecting mini elecret microphone to the Pi

We have set up the ADS1015 on the Pi 3B+. When typing in "i2cdetect -y 1" this seems to work just fine. However, we have looked up every single tutorial on the internet, and we can't find any proper ...
0
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1answer
39 views

Using Earphones/Headphones with mic to give voice commands in DIY alexa on raspberryPi zero/3b/3b+

Can I use Using Earphones/Headphones with a mic to give voice commands in DIY Alexa on raspberryPi zero/3b/3b+ by connecting the 3.5mm male jack to the board via a USB type c/ micro USB adapter as the ...
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0answers
37 views

Using Raspberry Pi to make Sonos work with any receiver (autoswitch)

Detect audio (voltage) Send IR command (switch receiver input) Features Learn IR Command Adjust detection sensitivity Result - When a Sonos Connect zone is activated it switches receiver to the ...
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0answers
81 views

Can't set PS3 Eye USB camera as default sound device in alsamixer

When I try to change default sound card in alsamixer to USB PS3 Eye camera (which is detected as USB Camera-B4.04.27.1), I'm getting following error: cannot load mixer controls: Invalid argument I ...
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0answers
114 views

Microphone Error: arecord: main:722: audio open error: No such file or directory

I am a 100% beginner when it comes to raspberry pi and this is my first project. I am trying to configure a microphone and speaker for an alexa module being integrated into my magic mirror project (...
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0answers
21 views

TDOA Estimate and Plotting results on Matlibplot

I edited the following code in order to the estimate location of sound source(drone) using four stereo microphones. The microphones are connected to Rpi 3 through a stereo to usb converter (HF0200C). ...
0
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0answers
102 views

getting command not found with “rec”

I am trying to get my microphone set up correctly for a magic mirror, but something tells me it isnt yet as I cannot get the "rec" command to work. It gives "-bash: rec: command not found" when I try. ...
0
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0answers
127 views

USB Microphone gives error 'Device or Resource Busy'

I've recently purchased this microphone for use with my Pi 3, but I can't seem to get it to work. I run arecord -l and the Pi can see my device: **** List of CAPTURE Hardware Devices **** card 1: ...