Arduino Stack Exchange
Arduino Stack Exchange

Questions tagged [audio]

Using an Arduino to play noise, sounds, or music. Also for questions about audio input.

171 questions
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Want to create bluetooth audio control (volume up/down, play, pause, etc.) for smartphone

I want to create a bluetooth remote audio control to control smartphone audio, essentially identical in function to this type of…
Howiecamp
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2 answers

Audio Frequency White Noise generation using Arduino Mini Pro

For DIY, how to program Arduino Mini Pro to act as an Audio Frequency White Noise generator? Presumably, a) using one Digital Output pin b) feed to a simple passive RC low pass filter to reduce out of band signal c) feed to a simple class-D IC…
EEd
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6
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1 answer

Streaming audio from PC to Arduino over WiFi

Say I wanted to, purely hypothetically, set up a pirate radio station by connecting an Arduino to a WiFi network away from home, streaming music to the Arduino, decoding it, and broadcasting it with an FM transmitter. Given an Arduino (Genuino)…
Joris
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6
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2 answers

Connecting an Arduino to a telephone line?

I would like to connect my Arduino Uno to a telephone line in order to answer a call, record a sequence of DTMF tones, generate a DTMF tone in response, and hang up. The telephone line uses a standard RJ11 connector. When a touch-tone phone is…
Nathan Osman
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6 answers

DFPlayer Noise: Researched, Tried, and Bep Bep Bep Bep Bep

Spent an entire day researching and attempting to fix the DFPlayer noise problem. The amp works as expected, so it is not the problem. I have made a video to help you better understand the sound produced:…
Joshua Roehrig
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5
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4 answers

Listen for specific frequency

I’m trying to build a custom baby monitor for my wife who is deaf. It needs to detect loud noises and listen for a specific series of tones from a feeding pump our daughter uses. It will then send a radio signal to the other room to trigger a bed…
Curtis Fuller
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Practicality of recording speech

Is it practical to record speech with the Leonardo? I want to record speech via a MEMS microphone and stream it over a serial connection to a Raspberry Pi for speech-to-text processing. This article states that the typical bitrate for recording…
Cerin
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4
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Issues using mini microphone module off AliExpress

I have been trying to get a mini microphone module with an inbuilt microphone module I got from AliExpress to my Arduino to confirm if it is working. It was a four pin microphone with pins labeled V, L, and two G pins. The V represents voltage in…
Daniel Abayomi
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2 answers

Good quality sound using a microcontroller

I am a hobbyist. Doing some experiments with sound quality. I'll pin point my problem and requirements. Problem statement :I want to play audio files ( recorded in human voice, not music files, just some plain human speech files) I have tried : a…
muphy
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Is it possible to sample sound with arduino?

I have the arduino duemilanove with atMega328. The frequency is 16Mhz. I want to sample and record from the audio jack. I searched and i found if i want to record "everything - so to speak", i have to sample at 44100Hz. That means this is unfeasible…
user1584421
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Transistor amplifier to drive speaker using Arduino PWM

I have been working on a project lately which uses Arduino to play a wav file from SD card. I am using TMRPCM library which made the job very easy. But the problem is that the output sound in the speaker is very low. I am using the below single…
Frank Donald
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Mini Voice Recorder for Arduino

I am trying to find a small voice recorder that I can use with my Arduino Micro, and I found this. It is exactly what I am looking for, but it is now a retired product. I googled ISD1932, but many other sites are out of stock or not selling it…
Nobody
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How to connect Arduino to headphone jack?

I would like to connect a headphone jack to my Arduino and make it as an output. I mean I would simply send some simple beeps. I know that there is a breadboard friendly headphone jack, but I don't know how to wire it. I really don't know if I can…
Leah
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Is it possible to start audio playback when headphones gets plugged in?

I want to have 6 audio jacks IN waiting for connection to start some WAV/OGG playback as soon as a headphone plugs in. In fact, I'd like to have simultaneous playback in 6 lines. I've seen in the market some stuff that you can add buttons to…
adr1an
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Error trying to play audio through an ESP8266 using the 'ESP8266Audio' library

I am attempting to use an esp8266 to play an .mp3 audio file through a connected speaker using the 'ESP8266Audio' library. I have tested that the hardware setup is correct (e.g. I have been able to play sounds from the speaker using a simple tone()…
Padraig Stapleton
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