You can use a lot of programs, ranging from free ones -like Music Match Juke Box or Apple Quick Time- to Sony Sound Forge or Adobe Audition, that give you more options on the encoding process (and also greater editing possibilities).
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.