Separation models

These constants are used with Sep to indicate the AI model to use for separating stems.

Constant name	Value
MODEL_LEGACY	htdemucs_6s
MODEL_STANDARD	htdemucs
MODEL_STANDARD_LG	htdemucs_ft
MODEL_STANDARD_XL	htdemucs_mmi
MODEL_DEFAULT	mdx_extra
MODEL_BETTER_MD	mdx
MODEL_BETTER_SM	mdx_extra_q
MODEL_BETTER_XS	mdx_q