Questions tagged [arecord]
The arecord tag has no usage guidance.
11 questions
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How use microphone sound level to start arecord and or aplay
I start a simple project which use 2 raspberry. Both have microphon and speaker, and a button.
The button starts the aplay and arecord commands for both of raspberry. And the full duplex communication ...
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1
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564
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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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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 ...
- 113
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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 ...
- 31
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252
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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 ...
- 21
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3k
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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 ...
- 121
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312
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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 ...
- 131
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491
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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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2
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1k
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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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108
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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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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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