ISD1820 Record (REC) >> ATtiny44 PA1 (Arduino pin 1)
Test
I pressed for long time in the REC button and started speaking into the microphone.
To playback pressed for long time in the PLAY-L button
I hear it playback it was a fascinating experience.
The only problem I face is that the voice is too low I barely hear it.
Editing Audio
Audacity is an easy-to-use, multi-track audio editor and recorder. Audacity is used in this assignment to reduce audio record size by decreasing bit rate and sample rate. After having my voice recorded in mp3 I followed the steps in the picture bellow.
By using the Audacity application.
I was able to control the recordings and audio files.