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Discussion of using Bela in audio applications, from musical instruments to effects boxes and more.
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High frequency sound (noise) at audio output
Audio
I'm using the bela mini for a new piece for saxophone electronics and I'm experiencing an unwanted noise sound at the audio output. I know this could be due to ground issues. ...
9
9 replies
N
couldn't create queue
Audio
Solved
...blocks. When I try to set a larger block size with the -c "-p 128" flag to the build_pd_
hvcc
.sh script I get the following: Do you know its cause and what I could do to preven...
17
17 replies
H
Bela Spectrum Analyser/dB Meter with GUI
Audio
Hello, I have a bela with a microphone connected to it. I want to use ideally python to create an audio spectrum analyser SPL meter, along with a dB(A) meter. My goal is to be...
3
3 replies
R
Audio Expander Capelet sample rate
Audio
Solved
Hi! I read I can use the expander to have 8 more Input/Output at 22000 4 more In/Out at 44100 https://github.com/BelaPlatform/Bela/wiki/Using-the-Audio-Expander-Capelet https:...
2
2 replies
J
Streaming very large audiofiles
Audio
Hey! I am trying to stream very large (2.7GB) Audiofiles from the SD card. I used the "sample-streamer" example, but I get an error: "Couldn't open file 20241012_000000.WAV : ...
3
3 replies
R
udpsend~ udpreceive~ on Bela?
Audio
Hi there! any chance to compile these mrpeach externals? https://github.com/pd-externals/mrpeach/tree/main/net By the way, I can't find a list of PD objects installed by defau...
6
6 replies
R
setBfree on Bela?
Audio
hi! any chance to use setBfree on a Bela with midi controller and keyboard, and controls on GPIOS?
1
1 reply
J
Audio input
Audio
Hi, I have a project involving a teensy card for synthesis and a Bela as an effects processor for the teensy. Now I have 3 possible ways to send audio from one card to the oth...
23
23 replies
V
Audio sample rate for Bela and NN
Audio
Hi everyone, I am new to using Neural Network with Bela. I have downloaded a set of audio clips with sr = 16000Hz, and I am now pre-processing the data. I want to use tensorfl...
1
1 reply
V
beep sound
Audio
Add to wiki
I am trying to do real-time speech enhancement, first i want to input the speech and do windowing with 50% overlap, fft, then ifft, add up three segments and output the middle...
3
3 replies
V
Bela CTAG BEAST on BBB as 8i16o Audio Interface
Audio
Greetings! Is there any progress on the request to modify the Bela (in this case the CTAG BEAST) as a simple USB Audio Interface? It would be an amazing functionality to be ab...
6
6 replies
P
write to and read from bela ram for preset retention
Audio
Hi, I'm designing a guitar pedal that requires some calibration without a computer being attached. When that calibration is achieved, I'd like to store it say on the SD card s...
7
7 replies
M
Bela Audio Recorder
Audio
Solved
Hi all, I’m still relatively new to Bela and still getting familiar with the programming, so I’m learning as I go at the moment. I’m currently trying to record audio from a la...
18
18 replies
5v analog input to PureData from Arduino
Audio
Solved
I have an arduino application handling a rotary encoder. In the script, I'm using PWM to output values to pin 7 on the Arduino Mega. I then have Pin 7 and Ground on the Arduin...
6
6 replies
V
Export Audio file
Audio
Add to wiki
Is it possible to export a segment of audio file (after processing on Bela) and save it on my own computer ? say for example, export as wav file
1
1 reply
T
Audio in not working when plugged to the computer
Audio
Hi, I recently changed bela's on a device I made, and in the new bela, the audio in won't work when plugged into the computer. But, it will work when I plug it straight into t...
1
1 reply
Splitting a TRS input to use with two piezos
Audio
Hi I am trying to use a stereo splitter to get two mono signal inputs from a 6.35mm TRS input into Bela. Although this fritzing diagram does not show the splitter, the wiring ...
3
3 replies
L
CPU usage and management with Pure Data patches
Audio
Solved
Hi! I'm working with a Bela with an audio expansion capelet and I'd like to know how to manage the CPU usage of my unit since when I run my patch on bela the cpu meter stays a...
11
11 replies
L
Bela Audio Expander - gain settings
Audio
Solved
Hi everyone! I'm currently bulding a project with PureData on a bela with the Audio Expander Capelet atteched. I have a problem with the new added outputs, their input comes o...
4
4 replies
8 chan multitrack audio file loop from SD card with PD patch
Audio
Solved
I just received the bela multichannel extender all the way in Tromsø and looking to playback an 8 track multichannel wavfile from the SD card on loop for an exhibition. First ...
11
11 replies
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Audio
Discussion of using Bela in audio applications, from musical instruments to effects boxes and more.
High frequency sound (noise) at audio output
couldn't create queue
Bela Spectrum Analyser/dB Meter with GUI
Audio Expander Capelet sample rate
Streaming very large audiofiles
udpsend~ udpreceive~ on Bela?
setBfree on Bela?
Audio input
Audio sample rate for Bela and NN
beep sound
Bela CTAG BEAST on BBB as 8i16o Audio Interface
write to and read from bela ram for preset retention
Bela Audio Recorder
5v analog input to PureData from Arduino
Export Audio file
Audio in not working when plugged to the computer
Splitting a TRS input to use with two piezos
CPU usage and management with Pure Data patches
Bela Audio Expander - gain settings
8 chan multitrack audio file loop from SD card with PD patch
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