These are schematic and programm for voice recorder&player ISD4004. This IC interface with ATTiny2313, and program wrote in bascom avr.
File list:
isd4004-ATTiny2313.bas
ISD4004-ATTINY2313.BIN
isd4004-ATTiny2313.BM
ISD4004-ATTINY2313.CFG
ISD4004-ATTINY2313.DBG
ISD4004-ATTINY2313.HEX
ISD4004-ATTINY2313.OBJ
ISD4004-ATTINY2313.RPT
sound3.pdf