Spectro
Spectro is freeware audio analysis software for Windows that reads technical information from sound files.
About Spectro
Spectro is a freeware audio file analyzer for Windows. It reads FLAC, APE, MP3 and WAV files, displays data and metadata from compressed audio, and creates a spectrogram of the wave data to help identify quality issues and possible transcodes. Version 1.0.93 supports 16-bit and 24-bit audio up to 192KHz sample rate and includes a frequency cutoff indicator.
Automatic transcode detection, music library scanning, WavPack support and spectrogram export are listed as future features.
Key features
- Reads FLAC, APE, MP3 and WAV files
- Creates spectrogram from wave data
- Displays data about compressed audio files
- Supports 16 and 24 bit audio up to 192KHz
- Includes frequency cutoff indicator
- Reads metadata from compressed files
Best for: Windows users who check FLAC, APE, MP3 or WAV files for quality issues and transcodes.
Good for
- Freeware for Windows
- Supports 16-bit and 24-bit audio up to 192KHz
- Reads metadata from compressed files
Watch out for
- Only reads FLAC, APE, MP3 and WAV files
- Automatic transcode detection is not yet available
- Cannot yet scan multiple files or save spectrograms as images
Spectro at a glance
- Website
- spectro.enpts.com
- Category
- Music & Audio › Music Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web, Windows
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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