Format reference
AAC Format Hub
AAC (.aac) is a modern lossy audio codec offering improved compression over MP3 at similar bit rates. Used extensively in streaming and mobile platforms, it supports various profiles and containers (ADTS, MP4). Use sample .aac files to validate decoder compatibility, stream buffering, and metadata extraction.
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audio/aac
Related Formats in Audio
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MP3 vs AAC
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Implementation Notes
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Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.
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