Opening the file in tools like Audacity or Sonic Visualiser and switching to "Spectrogram View" to see text drawn in the sound frequencies.
Contains metadata like sample rate (e.g., 44.1 kHz), bit depth (e.g., 16-bit), and number of channels (mono/stereo). gg.wav
For developers writing software to handle WAV files, several libraries simplify the process: Opening the file in tools like Audacity or