In the audio circuit voltage frequency in 800 hz ~ 3400 hz, and an active filter circuit

CodePudding user response:

This post, this BBS post!

CodePudding user response:

Ok, thank you, can you tell me where I can find relevant knowledge about audio filter

CodePudding user response:

Should be in single chip microcomputer and assembly related section would anyone know
Maybe C will have
But these characters should all exists in the panda level

refer to the second floor baidu_39675838 response:

ok, thank you, can you tell me where I can find relevant knowledge about audio filter?

CodePudding user response:

http://blog.csdn.net/Dallin0408/article/details/49745091? LocationNum=2 & amp; FPS=1
Please refer to this blog,