This repository is primarily educational documentation explaining various audio file formats, presented as a technical booklet. It covers PCM, WAV, MP3, AAC, FLAC, HLS, and DASH formats, detailing their structure, headers, and technical characteristics. While framed as documentation, it includes practical, executable Python examples for parsing and validating audio file formats in the misc/ directory. The repository's value lies in its combination of conceptual explanations and working code examples. The documentation provides clear, accessible overviews of complex audio formats, while the parsers demonstrate how to implement format-specific logic for tasks like frame validation, header extraction, and metadata parsing. These examples are not merely theoretical—they are functional implementations that correctly follow format specifications. Although the repository doesn't process specific datasets or perform data analysis, it equips readers with the knowledge and tools to work with audio data. The parsers solve recurring problems in audio processing: validating file integrity, extracting metadata, and understanding format structure. This hybrid nature—documentation with practical code—makes it uniquely valuable for engineers needing to work with audio formats.