This days, I m searching about creating an software for help me to convert CD of sounds inside to the SD1 format.

I tested all kind of wav files into the SD1 with the sound load function.
I see that you can load sound in format 22050 Hz,44100 Hz, 48000 HZ, mono, stereo...

About stereo samples, they sounds mono.

I think, the keyboard convert them in mono when it load them.

I have a question.

If I use 22050 Hz samples. Is the SD1 convert them to 44100 Hz before loading them, so they take 2 time more size in the memory, or they can take only the original size?
It can be explain why the amount of memory left seem to be blowed more than the samples size....