wow thats quite facilitating..thanks man.now i am pretty confident now.the next thing would be to make it real.hey can i ask you another question..i eman not related to this topic actually?
The LM386 circuit with the capacitor between pin 1 and pin 8 makes its gain 200 which is plenty for using an electret mic if the mic is close to the person's lips.
You can add a 100k volume control to reduce loud sounds from causing clipping in the low power amplifier.