Unverified80% confidenceCautionTime unknown

ARC/eARC音频回传功能只在特定输出端口生效，且需矩阵、电视、功放三方都支持eARC才能回传Dolby Atmos等高码率音频；若功放接在矩阵输出端而非电视，则ARC路径不成立

1

Sources

80%

Confidence

Long-term

Relevance

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Related Entities

HDMI矩阵切换器category

Related Claims

Unverified电视本身无光纤/模拟音频输出、只有ARC/eARC接口时，需选带HDMI-ARC提取器或支持eARC输入的发射底座，否则无法取声，选购前务必确认电视音频输出接口类型78% similar Unverified接支持eARC的电视时，用一根HDMI eARC线即可回传电视App里的杜比全景声(如Netflix/Disney+)，无需每个流媒体源都单独接功放；但普通ARC只能传压缩音频，无法回传全景声78% similar Unverified接AVR功放做家庭影院音频回传的用户，要确认切换器支持eARC/ARC透传，否则会丢失杜比全景声等无损音频76% similar

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