Contents The tools available in this package are ac3dec, as10k1, envy24control, sb16_csp and sbiload. Description ac3dec ac3dec is a free AC-3 stream decoder. as10k1 as10k1 is an assembler for the emu10k1 DSP chip present in the Creative SB Live, PCI 512, and emu APS sound cards. It is used to make audio effects such as a flanger, chorus or reverb. envy24control envy24control is a control tool for Envy24 (ice1712) based soundcards sb16_csp sb16_csp is an SB16/AWE32 Creative Signal Processor (ASP/CSP) control program. sbiload sbiload is an OPL2/3 FM instrument loader for the ALSA sequencer.