Introduction - If you have any usage issues, please Google them yourself
AVR336: ADPCM Decoder
• AVR Application Decodes ADPCM Signal in Real-Time
• Supports Bit Rates of 16, 24, 32 and 40 kbit/s
• More Than One Minute Playback Time on ATmega128 (at 16 kbit/s)
• Decoded Signal Played Using Timer/Counter in PWM Mode