Unverified80% confidenceSolutionTime unknown
HDMI切换器本身不解决声画分离音频输出问题，若需将音频单独引出到功放/音箱，应选带音频分离（HDMI Audio Extractor/ARC）功能的切换器
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80%
Confidence
Long-term
Relevance
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Unverified音频提取（HDMI Audio Extractor）功能可将HDMI信号中的音频通过光纤或3.5mm分离输出，是老功放/音箱接新设备无HDMI ARC时的常见解决方案81% similarUnverifiedHDMI转VGA只能传视频不传音频，需要声音时应选带3.5mm音频输出口的转接头，并单独接音箱81% similarUnverifiedHDMI音频切换器需确认支持你所需的音频格式（如Dolby Atmos/DTS:X需HDMI 2.0以上且标注支持），部分廉价HDMI切换器会把高码率音频降级为立体声或PCM79% similarUnverifiedDP线不像HDMI有音频回传ARC，但同样支持传输音频，接显示器自带音箱或耳机口时无需额外音频线74% similarUnverified需采集嵌入音频(embedded audio)的设备要确认HDMI/SDI音频提取支持，否则相机/主机的声音无法随画面进入采集，需额外声卡混音73% similar
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