Tag: MPEG-4
3 posts
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AAC Audio Codec: LC-AAC vs HE-AAC Profiles, MP4 Packaging and FFmpeg Settings
How AAC works and how to use it: LC-AAC and HE-AAC profiles, MPEG-4 container integration, FFmpeg encoding options, and fixes for common playback problems.
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H.264 (AVC) Encoding in Practice: Profiles and Levels, libx264 vs NVENC, and Tuning for Streaming
From H.264 (AVC) history, compression principles, profiles/levels to libx264, NVENC encoding, quality/speed tuning, streaming, and mobile compatibility.
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Inside the MP4 Container: ftyp/moov/mdat Boxes, faststart and Fragmented MP4 for Streaming
ISO BMFF-based MP4: ftyp, moov, mdat structure, faststart and fragmented MP4, HLS/DASH integration with FFmpeg commands for streaming practice.