Linked Questions

4
votes
3answers
405 views

What hardware peripherals might be capable of reading 6.144, or better yet, 9.216 megabits/second?

I'm hoping to interface a Raspberry Pi 4 with an 8 channel, 48 kHz ADC. Ideally a 24 bit ADC, which if my math is right means 9.216 megabits per second. But a 16 bit ADC would be acceptable: that ...
1
vote
0answers
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 ...
2
votes
1answer
1k 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 ...
2
votes
1answer
2k views

How to record system audio on Raspberry pi?

I’m trying to figure out how to record the system audio from raspbian. I want to record audio from either the OS or a specific program... like recording an audio stream... if it possible? I tried ...
0
votes
0answers
815 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, ...
1
vote
0answers
350 views

How to increase sampling rate of Raspberry Pi to 10Msps using external ADC or Microcontroller

I am working on a project where I want to use 3 electret microphones to triangulate the origin of a noise. I will add a 4th microphone for some additional accuracy. The microphones will be around ...
1
vote
1answer
501 views

How to use Rpi [python] to read [SPI MCP3008] ADC of a [water] tank level sensor?

Does anyone have any ideas on how I can use RPI with ADC to measure a tank level sensor which has a range of only 20 to 200 ohm.
2
votes
0answers
225 views

Interfacing non bluetooth speaker with Raspberry Pi 3

I want a wired connection between speaker and Raspberry pi 3 Model B. Bluetooth or Wireless connection is not my requirement. Regarding my speaker - it should NOT simply output buzzer sounds but is ...
0
votes
0answers
149 views

How can I send input from my laptop mic to raspberry pi?

I have a raspberry pi 3 and it is hosting a web server and want to send audio input to it from my laptop mic to the web server that it is hosting for some task to be accomplished. Problem is, it is ...
2
votes
1answer
93 views

Detecting a musical tune to actuate a servo

I am planning to build a puzzle box for my son’s graduation. He is very musical so I want one part of the puzzle to require playing a specific tune on a piano, flute, whistling or whatever to cause a ...