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Questions tagged [microphone]

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Can 2 different wires be connected to the same GPIO pin?

I am trying to make a voice assistant with the Raspberry Pi and ReSpeaker 4-mic array. ReSpeaker 4-mic array requires 40 pins to be connected to Raspberry Pi. But besides that, I want to connect the ...
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Microphone Recordings Differ Randomly using PyAudio on Pi 4

I have implemented an acoustic-based anomaly detector in a manufacturing environment (with a noisy background) using a Thronmax M8 USB Microphone (Link) connected to a Raspberry Pi 4. Here are details ...
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58 views

I2S boot overlays configurations for RPI CM4

I am trying to install a mono or stereo I2S microphones to a Raspberry Pi CM4 Board. I am getting some reference links for configurations but they are suggested to work on the older version of the RPI ...
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40 views

How to config default input/output devices in ALSA config file(~/.asoundrc)?

I am trying to configure microphone and speaker for raspberry pi 4. I edited "~/.asoundrc" file like that: pcm.!default { type asym playback.pcm "plughw:0" capture.pcm &...
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0 answers
49 views

Respeaker 4 Mic Array: Doesn't seem to work on Raspberry pi 3B+

So I got this Respeaker 4 mic array, but it is not working for me and I have no clue why.(I am new to this so it may seem like a silly reason but I don't know what to do)... I am following this ...
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0 answers
23 views

Access Phone Hardware via Raspberry pi

I want to access my Android Phone's Speaker, microphone, and camera via Raspberry pi. Here are the Functions I want to perform : 1. Play specific audio based on the Raspberry pi command. 2. Capture ...
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95 views

Bluletooth mic for raspberry pi

I have a bluetooth speaker. I am able to pair it with my android phone and able to take calls via it. So it does have a working microphone in it. When I connect this to my raspberry pi zero 2 W, it ...
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0 answers
39 views

Stream Video From RPi Camera and Audio From USB Microphone toghether?

I have a system set up where I use a software called Motion that streams video from a Raspberry Pi camera over HTTP on port 8080. I got a USB microphone and am wondering how I can stream video and ...
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1 answer
446 views

Not able to select join by computer audio in zoom

I was using zoom web version on rpi 4 for last 6 months. But for last 1 month am not able to select join by computer audio button, its kind of grayed. There is no currently opened thread on this issue ...
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0 answers
205 views

Logitech C920 webcam mic volume very low in some apps

I've connected a Logitech C920 webcam to my Raspberry Pi 4 with the basic OS image on it. I want to use it for video conferencing through my living room TV, and I intended to use the built in C920 mic ...
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1 answer
36 views

Truly All-in-One computer based on RPi [closed]

Let's say that I want to build a mobile phone or a truly AIO (All-in-One) PC based on RPi. Is this possible? If yes, then, please, guide me through the audio issuse, as I am failing on this. In my ...
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1 answer
160 views

Raspberry pi 4 - recording with 4 mini usb microphones - arecord

Im using mini usb microphone for recording audio. The sound is not good so i trying connect 3 more (total 4) mini usb microphones. I tried arecord --device=hw:1,0 --format S16_LE --rate 44100 -V mono -...
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2 answers
1k views

Connect a Microphone to Raspberry Pi Pico ADC Pins

I’d like to try using my voice as an input to my Pico. I think I should be able to define a pair of one-word voice commands, and train a Tensor Flow Lite Micro for Pico model on them. What I can’t ...
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  • 65
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1 answer
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Minimum possible resolution for instrumentation

I am working on a project where an array with multiple microphones will be deployed to calculate (via triangulation) the origin point of a burst of sound. As you can imagine, with sound traveling at ...
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2 votes
3 answers
808 views

How to command the raspberry pi to mute and unmute its microphone

I'm using a raspberry pi for a custom voice assistant I'm building. I need to mute and unmute the microphone for certain parts of the program I'm running. Is there a simple lx terminal command to do ...
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-1 votes
2 answers
274 views

Connecting the pi to a phone using a RJ11 cable to send and receive audio

I'm trying to connect the pi 4 model B to a phone that I bought off Amazon (https://www.amazon.ca/Wild-Wood-Phone-Retro-Design/dp/B00H20B2GM). This phone is not connected to a landline or anything as ...
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1 vote
0 answers
30 views

Can you use the speaker and microphone on a laptop for the raspberry pi 4b

I was planning to build a voice assistant with my raspberry pi 4b but since google's AIY voice kit v1 doesn't ship to Australia, I was looking for other solutions. Can you use the speaker and the ...
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0 answers
27 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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0 votes
2 answers
278 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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1 vote
0 answers
80 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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0 answers
69 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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0 answers
323 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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0 answers
39 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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2 votes
0 answers
69 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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0 answers
304 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 soldered 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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1 vote
0 answers
3k 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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1 vote
1 answer
156 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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0 votes
0 answers
1k 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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2 votes
1 answer
2k 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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1 vote
0 answers
236 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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  • 111
2 votes
0 answers
30 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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4 votes
2 answers
3k 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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  • 141
0 votes
0 answers
2k 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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1 vote
1 answer
5k 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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0 votes
1 answer
74 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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0 votes
0 answers
38 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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1 vote
1 answer
2k 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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0 votes
0 answers
592 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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0 votes
0 answers
140 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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1 vote
0 answers
160 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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0 votes
0 answers
364 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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1 vote
0 answers
164 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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3 votes
0 answers
260 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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  • 131
1 vote
1 answer
852 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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1 vote
1 answer
110 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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  • 111
1 vote
0 answers
41 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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0 votes
0 answers
168 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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  • 101
2 votes
1 answer
348 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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1 vote
0 answers
342 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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0 votes
1 answer
829 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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