These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] media-libs/noise-suppression-for-voice-1.10-r2::gentoo  USE="-lv2 -test -vst -vst3" 36441 KiB

Total: 1 package (1 new), Size of downloads: 36441 KiB