questions,There is a Subharmonic Synth (low freq) in sigma studio,I can it find it, how to get it? TKS
It depends upon which SigmaDSP you're working with. Each family has its own compiler and set of SigmaStudio blocks -- they're generally quite consistent across families, but not all blocks are available for every SigmaDSP. The Sigma100 family (ADAU1701, etc.) has both Sub-Harmonic Synths available. The ADAU1761 as well as Sigma200 (-144x) DSPs feature only the general Sub-Harmonic Synth. Sigma300 (-145x) chips have none so far (as of SigmaStudio 3.14):
If you're using one of the chips for which only the general Sub-harmonic Synth is available, perhaps placing it in the "woofer" path from a crossover might achieve the desired effect:
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