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How To Play Audio From A Microcontroller | Tarka Labs …
https://blog.tarkalabs.com/digital-audio-101-playing-audio-from-a-microcontroller-5df1463616c
A microcontroller (& programmer if required). An active buzzer module / speaker. Jumper wires. A 220 Ω resistor. A breadboard. A Basic Introduction to Digital Audio So what is audio/so u nd? In the simplest terms, the sensation of sound is a result of vibrations in the air caused by pressure fluctuations.
Audio Software on NXP Microcontrollers
https://www.nxp.com/design/software/development-software/mcuxpresso-software-and-tools-/audio-software-on-nxp-microcontrollers:AUDIO_SOFTWARE_NXP_MICR
Audio Software on NXP Microcontrollers Jump To Overview & Features Overview The MCUXpresso SDK includes Enabling Software Technologies from NXP and its strategic partners to empower you to move rapidly and smoothly from initial prototyping to full product development, allowing for more focus on product differentiation. Features
Audio and Speech | Microchip Technology
https://www.microchip.com/en-us/solutions/consumer/audio-and-speech
Audio provides a means of communication, improves usability, and delivers entertainment. It can transform the mood of an environment, help us escape a noisy commute, assist us in machine interface and improve the quality of life for the visually impaired. ... We provide microcontrollers, development platforms and free software source code to ...
Audio Coding and Compression for Microcontrollers | …
https://www.digikey.com/en/articles/audio-coding-and-compression-for-microcontrollers
The Atmel AT32UC3A3 supports audio sample rates up to 50 kHz and adds to its already efficient instruction pipeline a set of DSP instructions. It can communicate with audio ADCs over the I²S bus and even includes its own bitstream DAC, making it an ideal platform for audio playback devices.
Selecting and Implementing Audio Codecs | DigiKey
https://www.digikey.com/en/articles/how-to-select-and-use-an-audio-codec-and-microcontroller
Use the direct memory access controller (DMA) feature within a microcontroller to feed the audio codec with minimal CPU intervention. This will help to ensure that the codec is not “starved” for data. When audio is not being played, use the codecs mute feature to prevent low-level output noise from reaching the speaker.
Which microcontroller for audio synthesis/processing ...
https://electronics.stackexchange.com/questions/139792/which-microcontroller-for-audio-synthesis-processing
What features should I look for in a microcontroller to satisfy the needs. I will need digital I/O for switches and audio in and out (presumably I will use discrete DACs/ADCs), analogue I/O for real-time control (pots/faders etc.) and sufficient computational power to do real-time DSP at reasonably high quality.
2 Ways to Play Audio using a Microcontroller - Embedded World
http://www.raviyp.com/2-ways-to-play-audio-using-a-microcontroller/
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. The record and play control functions are controlled by microcontroller IO pins.
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