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        <title>Bludtooth - 標籤 - Yan-Hao Wang&#39;s Blog</title>
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    <title>藍芽耳機在 Linux 了解</title>
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    <pubDate>Fri, 28 Aug 2026 23:44:09 -0400</pubDate>
    <author>bses30074@gmail.com (Yan-Hao Wang)</author>
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    <description><![CDATA[<h2 id="背景">背景</h2>
<p>BT + AC600 瑞昱（Realtek）晶片 USB 網卡（RTL8821CU）加上 Sony WH-1000XM3 耳機。</p>
<p>一張標準 CD 音質（16bit/44.1kHz）需要約 1.411 Mbps 的頻寬，而傳統藍牙可用頻寬通常只有數百 kbps，無法直接傳送未壓縮音訊，必須進行壓縮。</p>]]></description>
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