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Earlier this week, we examined how to use the Music Thing Radio Music Eurorack sample player as a one-shot sampler, rather than in its default infinite looping mode. This opens up the obvious question of how to load your own samples onto the Radio Music micro SD card, which seems like it would be an easy process but may confuse new users.
As stipulated in the online documentation, Radio Music cannot use what we might consider standard audio file formats, like Wav, Aif or mp3 files. It does operate using uncompressed RAW audio files… However, most applications will not create or export in RAW file format. Perhaps the most readily available application for converting other sample files to RAW format is Audacity, which is available for free on Windows, Mac or Linux.
Within Audacity, any audio file can be edited, altered and then exported into any other file type. One of those types, hidden in the “Other Uncompressed Files” menu option, are RAW files. There are many types of RAW files, so make sure to select “16 bit signed PCM” for the encoding format or your samples will not work properly. Of course, if you want some unpredictable sample destruction, you might experiment with incorrect RAW formats…
It must be mentioned that file names must be made in the 8:3 format, meaning file names must be no longer than 8 alpha-numeric characters long, written in uppercase lettering and with the addition of “.RAW” at the end.
Once the files are saved, you can load them into one of the 16 bank folders on the micro SD card. In RAW format, the process is as simple as drag and drop. (Scratch that, someone built a batch processing tool called Max, you can find it here!)
Perhaps some kind soul will create a batch conversion tool so that we may drag and drop samples onto it, press a button and they are all converted to the correct format. Until then, this is what we have to work with. Converting dozens of samples will take a bit of time, but that process will ensure that you know how your samples are organized in your module.
What kind of sample material are you using in your system? Tell us about it in the comments!
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