Introduction
This article defines a unified MP4 video specification designed to ensure reliable playback across Samsung SSSP/Tizen, LG webOS (all versions), Android players, BrightSign, Raspberry Pi, and modern browsers.
Instruction
Container:
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MP4 (.mp4)
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Video Codec:
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H.264 (AVC)
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Profile: High
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Level: 4.1
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Resolution (Hard Limit):
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1920 x 1080 (landscape)
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1080 x 1920 (portrait)
- No upscaling
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No 4K
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Frame Rate:
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30 fps (constant only)
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No variable FPS
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Do not use 60 fps
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Bitrate:
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Average target: 8–12 Mbps, peak not to exceed 15 Mbps.
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Absolute max: 15 Mbps
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Audio:
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AAC-LC
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Stereo (2.0)
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48 kHz
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128–192 kbps
- Audio must match video duration and remain in sync
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Mac / QuickTime Requirements:
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Remove QuickTime metadata
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Do not export with “Fast Start for Streaming” via QuickTime
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No Apple-specific color tags (nclc / gamma)
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No edit lists or timecode tracks
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Reason:
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QuickTime-specific atoms and color metadata can cause playback issues, black frames, or skipped videos on Samsung SSSP and some LG players.
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