Use ARP9600 IC. All you need | Microcontroller › 8051 › Record a Voice using 8051 and play back it › Use ARP9600 IC. All you need August 13, 2014 at 4:02 am #12005 AJISH ALFREDParticipant Use ARP9600 IC. All you need is a microphone and loudspeaker. But if you are using a high watt loudspeaker, you might need an audio amplifier. A simple transistor B-type amplifier will do.
