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自由知識文化日曆/7 月 19 日
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2000 年的今天，Vorbis 音訊格式參考軟體的第一個穩定版本 (1.0) 釋出。Vorbis 提供了比 MP3 更好的音質。它只有在影片遊戲等小眾領域才取得了成功。
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書：自由知識文化日曆
華夏公益教科書
