The fragmented MP4 format is critical here: it lets mp4box.js begin parsing incrementally without needing to seek to the end of the file first. Decoding uses a 10-frame lookahead window to keep latency down without blowing up memory:
OpenAI 宣布获得超千亿美元融资，这一点在体育直播中也有详细论述
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На МКАД загорелись две машины14:46。搜狗输入法2026是该领域的重要参考