Questions tagged [arecord]

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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
2 votes
0 answers
70 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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2 votes
0 answers
160 views

Real Time audio recording from two audio input and playing simultaneously in 2 audio output

I have one Raspberry Pi with 2 USB speakers and a mic system. I want to record simultaneously from one mic and play in another speaker. Like, MicA recording will be played in SpeakerB and MicB ...
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1 vote
1 answer
393 views

arecord no such file or directory error when running via cron

So I can run: arecord -d 9 -f S16_LE -c 1 -r44100 -t wav /home/pi/signal_9s.wav from terminal and it works as expected. It records for 9 seconds and saves to the signal_9s.wav file. However if I set ...
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1 vote
1 answer
2k views

Arecord: "main:828: device or resource busy" when run via systemd service, but works fine from CLI

I have a python script which, when a GPIO button is pressed, launches an arecord process. This records audio from a USB microphone (plughw:CARD=GS3,DEV=0) and pipes it to another program for ...
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1 vote
0 answers
345 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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1 vote
0 answers
537 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: ...
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  • 635
0 votes
2 answers
941 views

whistle sound when recording with USB sound card [alsamixer]

I'm working on a project in which I need to record voice using a Raspberry Pi. I'm using alsamixer and arecord, the problem is that when I'm recording it starts playing a weird whistle/whine/...
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0 votes
0 answers
105 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 votes
1 answer
173 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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  • 1
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87 views

arecord only works with -D

Long story short, my mic was working fine yesterday. I then had a pair of USB speakers connected and then again disconnected. And now I cannot get the little thing to do a arecord with using the "-D" ...
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