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 25 alternatives to Spectro for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best Spectro alternative is Ocenaudio, which is free. Other great apps like Spectro are Spek, Surco, RED-Spectrogram and StudioWavePro.
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.
