Raspberry Pi

Questions tagged [microphone]

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How to make wireless or bluetooth microphone work on raspberry 4

I'm running raspbian-buster on raspberry 4. I need to make wireless or Bluetooth microphone work. It's a production base project. I've tried with common headset which used for cellphones.But it's ...
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40 views

USB mic input + 3.5mm jack output

I'm trying to set up my Rpi using a USB mic and output through the 3.5mm jack. If I select the USB mic in alsamixer, I don't have any sound at all. If I use the 3.5mm I get sound but cannot record ...
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23 views

Error in configuration for I2S microphone

I follow these directions to set up the Raspberry Pi for an Adafruit I2S microphone. The line to compile the module fails with a missing script: $ make -C /lib/modules/$(uname -r )/build M=$(pwd) ...
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34 views

Raspberry Pi, USB Audio Card and 3.5mm Microphone

I've been trying to use this USB Audio card: https://http2.mlstatic.com/tarjeta-de-sonido-usb-71-con-control-de-volumen-D_NQ_NP_904044-MCO31004989404_062019-F.webp as sound output and input. I ...
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35 views

USB Microphone quiet

I have been trying anything that I can to get the recording volume from a USB Microphone to increase. You can talk beside it and it won't pick up your voice unless you speak very close to the mic. The ...
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59 views

Microphone is not recording with HifiBerry and Raspberry Pi 3

I installed the HifiBerry driver as specified. The Board is recognized and the audio output works fine. Just the audio input seems to be not working. I checked if the microphone is muted but I can't ...
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1answer
127 views

Rpi Webrtc echo cancellation - aec

I am using Rpi-Webrtc-streamer for webrtc on raspberry pi with usb sound card connected to audio amplifier for speakers and electret microphone. I am able to run webrtc correctly but with issue of mic ...
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1answer
19 views

Multiple microphone recording

I want to record from multiple microphones into separate USB microphones on a Raspberry Pi. Is this possible? Do I need to buy some sort of USB sound card?
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20 views

Can't get bluetooth headphone mic working with pi

I am trying to get my Bluetooth headphone mic working with pi b+, my headphone gets connected and audio output is also working but its mic isn't working with pi. I had gone through several online ...
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38 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 ...
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1answer
79 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, ...
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94 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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1answer
79 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?
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1answer
350 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/...
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33 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 ...
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1answer
101 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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140 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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147 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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205 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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36 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). ...
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175 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. ...
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223 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: ...