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'Spek'[0] is a nice free, lightweight, open source & cross platform Spectrum Analyser. [0] http://spek.cc/ http://spek.cc/

• robhack 12y ago
  I don't think it's really an equivalent tool. As I understood, the main point is the real-time analysis of the microphone input. Spek seems to only analyze a « static » sound file (same for SoX and Audacity if I'm correct).
  • lozf 12y ago
    Oh thanks, I'd missed the "live" part.