ADPCM voice compression algorithm G729A assembler after manual opti speech coding the original proced MELP (Mixed-Excitation Linear Pre MP3 decoder source code and audio

trying to onece after in a gfh

ve a project name is High-Efficiency 3A Battery Chargers Use LM2576 Regulators. and i am doing my simulation in multisim and proteus but my whole simulation project is useless without lm2576 regutor.How can i find lm2576 library in multisim or proteu