Questions tagged [microphone]

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15 views

Python sound recognition?

I'm trying to program my Pi to monitor for specific sounds like buzzers, alarms, etc. I've seen articles suggesting the use of a "sound sensor", but I already have a microphone (an AIY ...
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14 views

do i need another HAT for using K210_7 Mic_v1.1 6+1 microphone array for RPI?

sorry for the novice question. but i could'nt find any specific information on my issue. so... I got a cheap K210_7 Mic_v1.1 - 6+1 microphone circular array. and then i noticed that the respeaker ...
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16 views

Raspberry Pi Zero MI-305 Mini USB Microphone with horrible background noise

I have been trying to use a mini USB microphone, mode MI-305 with my Raspberry Pi Zero W. However, when I try to play audio recorded from it, it has this very loud background noise like a square wave ...
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16 views

Using phone microphone as audio input through USB?

I have a program that broadcasts and FM radio signal, and there is an option using this command to allow direct audio streaming: arecord -D hw:1,0 -c1 -d 0 -r 22050 -f S16_LE | sudo ./fm_transmitter -...
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36 views

Can keyes Sound sensor be used as a Microphone in Raspberry pi?

I am trying to make a speech recognition system on a Raspberry Pi 3 model B+ using Python. It needs a microphone. I have the keyes Sound sensor which looks like this(https://cutt.ly/Jjp9jWP). Can this ...
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17 views

ReSpeaker Mic Array - Live speech to text on isolated audio

I am trying to isolate different voices using the ReSpeaker v2 4 mic array and then do live speech to text on it. I have been able to use the ODAS Studio interface to see extracted voices. I have also ...
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36 views

Aux Mic to Micro USB Converter

I have a mic for an aux input that I want to plug into my Pi Zero W. I tried using a micro-USB to aux cable, but it couldn't get the pi to recognize it. Do I need a (micro) USB sound card to record ...
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1answer
1k views

How to increase mic input volume?

I recently bought a usb soundcard and a 3.5mm microphone for my raspberry pi 4 to use for a python project for speech recognition where I want the pi to be able to hear to conversational volume voices ...
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1answer
708 views

Identify which microphone is on which audio card using arecord

I'm using a Raspberry PI and on it I plugged two same USB microphones. I would like to be able to identify which USB microphone is on which audio card when I list devices with arecord: arecord --list-...
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1answer
37 views

How to add the hfp/hsp profile based speaker for input (speech recognition)and output simultaneously?

I m trying to make kinda type of assistant out of my raspberry pi 3 b+ model and so bought this Speaker . So that I can use it to give audio input as well as get the output at the same time . But I'm ...
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27 views

Redirect Rpi Audio/Mic to Sim module

Raspberry Model: Zero W. External Modules: SIM800L Image Adafruit I2S MEMS Microphone Breakout Small Audio Speaker I'm aiming to make phone calls with the sim800L and 'bind' them with the RPI and I'...
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74 views

how do I set the recording volume using alsa

Is there a guide somewhere on how to use the pi sound system? It would be good to have something definitive as there is lots of stuff out there that contradicts, and it is not like I want to do ...
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30 views

Why is my microphone crackly on Raspberry Pi OS and not Windows

I recently bought a usb microphone (omnidirectional) from amazon (branded 'italk-02') for use with speech recognition. When used on Windows the sound is clear and can be used with Cortana and voice ...
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65 views

Using I2S MEMS microphone with Chromium

I have an Adafruit I2S MEMS Microphone Breakout that I've configured along with the MAX98357 I2S Class-D Mono Amp using the Adafruit instructions and the Raspberry Pi installer scripts. I can ...
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24 views

I2S MEMS Microphone pop sound at the beginning of the recording

I am using Adafruit I2S MEMS Microphone in Raspberry Pi 4 running raspbian buster. I installed it successfully following adafruit guide. It is working well for recording using arecord. However, every ...
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27 views

Can not get sox or arecord to work with raspberry pi + USB microphone

I am trying to use sox. Using the MI-305 USB microphone. The error from rec test.wav is rec FAIL formats: can't open input 'hw:0,0': snd_pcm_open error: No such file or directory lsusb gives five ...
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1answer
552 views

Reducing sound noise when recording with Pi

I am sure everyone trying to record sound with a Raspberry Pi has experienced a lot of issues with noise pollution. Although there is any number threads on various forum adressing this I have yet to ...
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102 views

Constant noise while recording with Zoom H1 through USB

I'm trying to build up a recording station using a Raspberry pi 3B. I solderet four mics (two per channel) to a stereo jack and plugged it into the "external mic" audio input of the Zoom H1. ...
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1k views

speaker and mic with Raspberry pi 4

I'm making a project, a surveillance camera with audio. Live feed from my localhost webpage. the live camera part is now okay and working, my problem is the "intercom" part. I don't really ...
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1answer
71 views

Can I stack multiple different HATs on RaspberryPi4?

I want to use multiple different HATs on the same Raspberry Pi. These are the boards I want to use: https://www.sparkfun.com/products/16328 https://www.seeedstudio.com/ReSpeaker-4-Mic-Array-for-...
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799 views

USB Microphone Not Working

I am trying to create a magic mirror with my Raspberry Pi 4 (buster) that has voice recognition so I am using a usb sound card with a 3.5 mm microphone. The problem is that I have configured my alsa ...
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158 views

USB Voice recognition with python pyttsx3 and pyaudio

i found a lot of this error in the net, but no solution... is there really no solution ? i got a Raspberry Pi 4 Mini USB Microphone pi@raspberrypi:~/voice $ arecord -l **** Liste der Hardware-Geräte ...
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249 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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304 views

Using USB webcam with integrated audio at the same time

I am trying to use a usb webcam for video and microphone at the same time on my raspberry pi4, on buster. I just set the system up from scratch and am ready to do that again, if it helps with trouble ...
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50 views

Connect and use Bluetooth headset

I am on a Raspberry Pi 2 Model B with Raspbian buster and have issues using my Bluetooth headset. I tried to use some of the several available HowTos. Best working for me are the HowTos using bluealsa....
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308 views

Cannot increase gain on USB Microphone

I got myself one of those cheap USB microphones and it basically works out of the box with arecord, it's just way too quiet. The level on the virtual UV meter never passes 1%. Here's what I got, ...
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60 views

Change Default Microphone

I am having trouble changing my default mic on raspbian buster lite (kernel 4.19.36 on the 3B+). I know that the mic is fully functional because when I run: arecord -D plughw:1,0 --duration=3 test.wav ...
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16 views

Error opening InputStream USB Microphone and Raspberry PI3B+

I am trying to use a USB microphone with python sound device and raspberry pi3B+. When I execute the script in the console typing $ python3 sound.py it runs and records all ok. But when I try to ...
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1answer
1k views

How to use Rpi python to control PCM1802 24-bit HiFi stereo ADC and MAX4466 microphone amplifier

I want to get Analog Audio Input using a PCM1802 ADC Module and MAX4466 microphone module using python. It is actually a project for a very basic and introductory course about Arduino and AVR assembly ...
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1answer
63 views

Voice conferencing between Pi 4 and laptop

I need to do live voice conferencing between a PI 4 and a laptop wirelessly. So far I've gotten a usb mic and aux speaker connected to it and can store the voice locally on the Pi.
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106 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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27 views

Mini usb 2.0 microphone not detected

I googled but didnt find an answer. I bought usb microphone like this: https://www.ebay.com/itm/USB-2-0-Mini-Mikrofon-Stecker-f-r-Windows-PC-Mac-Linux-Raspberry-Pi-Mikrophon/112352215940?pageci=...
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1answer
406 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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1answer
561 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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410 views

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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84 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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186 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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125 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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189 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
59 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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30 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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106 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
207 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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1answer
415 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
2k 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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37 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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79 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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381 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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429 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: ...