Hi claudiu,
Actually, the use of a MIDI cable is applicable when using the Get Sample function found under Tools>Sampler. However, there are a couple of problems that I see.
The Get Sample function of SoundForge is for transferring raw sample data from a sampling keyboard or module into the computer for processing. The VA-76 does not have the capability of transferring raw sample data as far as I know. The Roland website does not specify whether or not the VA-76 has sampling capabilities, but even if it does have limited sampling abilities, that is not what you want to do anyway.
SoundForge is an audio recorder/editor. As Esh suggested you could connect the audio outputs of the VA-76 to the audio inputs of the computer and record what you play on the VA-76 in real-time as an audio file into SoundForge. Since the VA076 is an auto-accompaniment keyboard and has some sequencing abilities as well, it would make sense to do record the keyboard parts of the song in the VA-76 itself, and then record the playback of that song into SoundForge as an audio file, adding vocals or other instruments at the same time. Then you could burn the completed song to disk.
The Uno interface will be useful if you want to do more advanced sequencing by using your computer and appropriate software in place of the sequencer built into the VA-76.
I hope this information is helpful.
Best Regards,
Dave
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Wm. David McMahan
Nat'l Product and Support Manager
Generalmusic USA
GEM Community Forums