Spectro is described as 'Freeware audio file analyzer for windows. Currently capable of reading FLAC, APE, MP3 and WAV files. Spectro lets you view vital data about compressed audio files and creates a spectrogram of the wave data' and is an app. There are more than 10 alternatives to Spectro for a variety of platforms, including Windows, Linux, Mac, Flathub and Flatpak apps. The best Spectro alternative is Ocenaudio, which is free. Other great apps like Spectro are Spek, RED-Spectrogram, Zynewave Podium and SignalView.
Tau Analyzer is a free program, which can help you to distinguish with reasonable accuracy the original studio-based CDs from poor quality fakes, that have been "reconstructed" using a lossy audio source, such as MP3.
Modeled after the spectrum effect in Ableton Live , Spectrum is a free and open-source web app that shows frequencies of an MP3 or OGG file in real-time.
A software suite of audio and acoustic measurement tools, for the analysis portion of acoustical measurements and instrumentation.
S_TOOLS-STx provides tools for digitization of sound, single or multi (up to 128) channel signal recorder, 16/24 bit, sampling frequencies depending on audio hardware; analogue to digital transfer.
Aspect helps you to analyze your local audio files by building their spectrogram.
Spectrogram will show the differences in the frequency range when lossless encoding an audio signal and when lossy encoding.
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