If Additive, Spectral, or Granular mode is chosen, analysis may take a moment or two. No analysis occurs when Sampler mode is used.
Note: If you want to perform an Add+Spec analysis, or want to perform a further formant analysis of the audio material, use the Import browser methods discussed in following tasks.
In Logic Pro, drag an audio file, region, or Apple Loop to a software instrument track with an Alchemy instrument PDF
Logic Pro Effects: PDF