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Lab: Playing .WAV Files from an Arduino using I2S and SPI ...
https://itp.nyu.edu/physcomp/lab-playing-wav-files-from-an-arduino/#:~:text=Playback%20of%20digital%20sound%20files%20is%20a%20popular,it%20on%20an%20I2S-compatible%20amplifier.%20What%20is%20I2S%3F
How To Play Audio From A Microcontroller | Tarka Labs …
https://blog.tarkalabs.com/digital-audio-101-playing-audio-from-a-microcontroller-5df1463616c
Inside the loop, we first set the output pin on the microcontroller to HIGH (1), then we wait for half the amount of calculated period & then set the output pin to LOW (0) and again wait for half the amount of calculated period. This way, we are operating at 50% duty cycle. Here is a simple output audio I created using the above method
2 Ways to Play Audio using a Microcontroller - Embedded World
http://www.raviyp.com/2-ways-to-play-audio-using-a-microcontroller/
2 Ways to Play Audio using a Microcontroller. By Ravi Pujar. Options #1. : Playing audio using an external audio/sound playback device. You can easily play audio in your project using an external sound recorder and playback device like APR9600/APR33A3 audio chipsets. These chips can record audio for a few seconds and play that audio when you press the play button.
How to play audio from a microcontroller - SlideShare
https://www.slideshare.net/MahadevGopalakrishnan/how-to-play-audio-from-a-microcontroller
Which is sort of the max limit for most microcontrollers available under 3$. • Using a sampling frequency of 8k would double the amount of sound that you could play without compromising much on quality. But if your sounds are very low frequency even 6k would work, but would not recommend using sub 8k frequencies for this application.
How to use the high-density STM32F103xx …
https://www.st.com/resource/en/application_note/an2739-how-to-use-the-highdensity-stm32f103xx-microcontroller-to-play-audio-files-with-an-external-is-audio-codec-stmicroelectronics.pdf
play audio files using an external codec. The I2S protocol is widely used to transfer audio data from a microcontroller/DSP to an audio codec in order to play melodies (stored in a memory) or, to capture analog sound (from a microphone). The high-density STM32F103xx allows I 2S audio communications using the SPI peripheral,
Playing real-time audio in a PC from a microcontroller ...
https://stackoverflow.com/questions/34893623/playing-real-time-audio-in-a-pc-from-a-microcontroller-using-naudio
I then want to play such wave stream real-time and save it in the PC at the same time. I can set a connection with USB between the micro and the PC to receive a data array. I want to play this data array, and transmit the next array in real-time without gaps during playback. I am using C# to program on the PC.
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