spek ☆
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Description:
Acoustic spectrum analyser
Type: Formula  |  Tracked Since: Dec 27, 2025
Links: Homepage  |  formulae.brew.sh
Category: Multimedia
Tags: audio spectral-analysis visualization multimedia spectrogram audio-tools
Install: brew install spek
About:
Spek is a cross-platform acoustic spectrum analyzer that visualizes audio frequency distribution in real-time. It helps users analyze the spectral characteristics of audio files to detect compression artifacts, verify mastering quality, and examine frequency balance. The tool provides a clean, minimalist interface that displays spectrograms with precise frequency and time resolution.
Key Features:
  • Real-time spectrogram visualization with high frequency resolution
  • Support for multiple audio formats including MP3, FLAC, AAC, and WAV
  • Clean, minimalist interface with no complex configuration required
  • Cross-platform compatibility (Linux, macOS, Windows)
  • Precise frequency analysis up to 20 kHz range
Use Cases:
  • Analyzing audio file quality and detecting compression artifacts
  • Verifying frequency balance in music production and mastering
  • Examining spectral content for audio forensics and restoration
  • Comparing different audio codec quality levels
Alternatives:
  • sox – Command-line audio processor with spectrogram generation but requires manual command syntax
  • audacity – Full-featured audio editor with spectral analysis tools, but heavier and more complex interface
  • spear – Advanced sinusoidal analysis and resynthesis tool, focused on granular synthesis rather than quick visualization
Version History
Detected Version Rev Change Commit
Dec 27, 2025 12:18pm 5 META 72a2b815
Sep 15, 2025 2:19pm 5 VERSION_BUMP 3798bd75
Sep 13, 2024 10:09pm 2 VERSION_BUMP 7d0e2ef6
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