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Arduino PCM Audio Primer - Codrey Electronics
https://www.codrey.com/arduino-projects/arduino-pcm-audio-primer/
PCM is the typical method used for converting analog audio into its digital counterpart. Simply, PCM audio is an analog signal that’s sampled at uniform intervals and converted to a digital binary number. In other words, it’s a representation of usual continuous analog signals as discrete samples. Further Reading:
PIC sound player (PCM to PWM ... - PIC Microcontroller
https://pic-microcontroller.com/pic-sound-player-pcm-to-pwm-converter-using-pic18f1320/
Description This project makes a PIC microcontroller play audio PCM sounds using PWM modulation! Pulse-code modulation ( PCM) is a digital representation of an analog signal where the magnitude of the signal is sampled regularly at uniform intervals, then quantized to a series of symbols in a digital (usually binary) code [ 1 ].
PCM Audio Based Door Bell using Atmega32 microcontroller ...
https://atmega32-avr.com/pcm-audio-based-door-bell-using-atmega32-microcontroller/
This is a simple procedure to play PCM audio on any AVR microcontroller. AVR’s high speed PWM is used to play the audio. It almost sound fine and can be used for simple projects that require sound effects. The code is compiled in winavr GCC compiler. The microcontroller used is ATmega32, though any AVR processor can be used for the purpose.
AVR PCM audio: Playing 8 bit PCM using any AVR ...
https://avrpcm.blogspot.com/2010/11/playing-8-bit-pcm-using-any-avr.html
This is a simple procedure to play PCM audio on any AVR microcontroller. AVR's high speed PWM is used to play the audio. It almost sound fine and can be used for simple projects that require sound effects. The code is compiled in winavr GCC compiler. The microcontroller used is ATmega32, though any AVR processor can be used for the purpose.
Microcontroller Compatible Audio File Conversion
https://cdn-learn.adafruit.com/downloads/pdf/microcontroller-compatible-audio-file-conversion.pdf
The procedure is simple: Play the video or sound and record the audio. All modern computers have a microphone-in jack, headset mic or a webcam available for recording. Or, cue-up your sound and use your cell/mobile phone to record it. Microsoft Windows Recording Audio Versions of Windows prior to Windows 10 have an program called Sound Recorder.
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