How PCM data by PWM simulation DA all the way, by changing the duty cycle, output drive speakers play music

CodePudding user response:

PWM simulation DAC need to set the RC integral circuit

Refer to
https://blog.csdn.net/qq_38410730/article/details/80113841

CodePudding user response:

The frequency map PWM duty cycle

CodePudding user response:

My audio is wav format, 8 bit8k sampling rate,,, PCM data directly to change the duty ratio, broadcast to have a lot of noise

CodePudding user response:

Try,,,,,,,,