Open Electronics come with a Voice shield for Arduino. Based on ISD1790PY chip, you have control to record and play your voice. ISD1790PY supports a microphone with AGC (automatic gain control) and an output for 8ohm speaker. Also support an output for external amplifier. The entire power supply is taken from Arduino board. The chip also provide sounds effects to determine when you start/stop recording delete or forward.
A library to work with this shield is provided also the diagram to make your own shield and everyting else is for free on their site, but also you can buy it from open-electronics site.
It can have a lot of applications like:
|Voice Shield for Arduino||16.10€|