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Audio Internals

Preface
1. The Physics of Sound
2. Transducers
3. Spectral Analysis
4. Time-Varying Signals
5. Impulses
6. Modulation
7. Audio Compression
8. Speech Processing

7. Audio Compression
Lossy Audio Detection

Lossy Audio Detection

The Discrete Cosine Transform

Cepstrum and MFCCs

Detecting Re-Encoded Audio
Checking File Metadata
Spectral Analysis
Compression Artifacts

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