The key signal-processing features to note are that the playback engine has two separate multi-mode filters as well as four independent effects busses (A, B, C and D) and a Main effects bus. Once the sample data has been loaded into a Source, we can start to get creative. One key concept to grasp as this point, though, is that the samples can be imported using a series of different modes – Additive, Spectral, Granular and Sampler. Instead, Alchemy’s Import Audio feature is a quick-and-easy way of importing audio files into the synthesis engine, which is perfect for a few drum samples, like those illustrated in the walkthrough, or some basic multi-samples.

As each Source has its own sample map, Alchemy instantly trumps the EXS24 in its ability to have four discrete layers in a single patch.Īlchemy’s Import Audio feature doesn’t quite match the EXS24’s ability to import and map samples, so if you’re after some complicated mapping options, I’d stick to the EXS24. The mapped samples could be a series of one-shot, velocity-switched drum samples, for example, or a collection of multi-sampled pad sounds spread across the full range of the keyboard. As well as holding a sawtooth or square wave, Alchemy can import a series of mapped samples into a Source. Alchemy patches use a total of four Sources – A, B, C and D – that can be thought of as four oscillators.

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