Basic methods of Audio Steganography (spectrograms)
Using steganography to hide data in digital image or audio files | Computerworld
Symmetry | Free Full-Text | Comprehensive Survey of Multimedia Steganalysis: Techniques, Evaluations, and Trends in Future Research
MP3 Steganography: Review | Semantic Scholar
PDF) A Robust Method of Encryption and Steganography Using ElGamal and Spread Spectrum Technique Based on MP3 Audio File | Priadhana EdiKresnha - Academia.edu
DeepSound — Audio Steganography Tool | by Abubakar Shehu | Medium