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docs(cubie/a5e): add audio interface clarification note #1777

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docs(cubie/a5e): add audio interface clarification note #1777

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6 changes: 6 additions & 0 deletions docs/cubie/a5e/system-config/audio-usage.md
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Expand Up @@ -12,3 +12,9 @@ import AUDIO from '../../../common/radxa-os/system-config/\_audio_usage.mdx';
# 音频管理

<AUDIO debian_version="debian11" board="cubie-a5e" />

:::note Cubie A5E 音频接口说明
Cubie A5E 主板**未配备 3.5mm 耳机接口**。系统默认音频输出优先级为「蓝牙音频 > 耳机 > HDMI 音频」，其中「耳机」选项将在连接 USB 耳机或通过 40 Pin GPIO 接口连接外部 USB 声卡时生效。

如需通过 40 Pin GPIO 接口使用数字音频，可使用 I2S2 接口（需外接 DAC 芯片转换为模拟音频）。
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6 changes: 6 additions & 0 deletions ...n/docusaurus-plugin-content-docs/current/cubie/a5e/system-config/audio-usage.md
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Expand Up @@ -12,3 +12,9 @@ import AUDIO from '../../../common/radxa-os/system-config/\_audio_usage.mdx';
# Audio Management

<AUDIO debian_version="debian11" board="cubie-a5e" />

:::note Cubie A5E Audio Interface Note
The Cubie A5E board **does not have a 3.5mm headphone jack**. The default audio output priority listed as "Bluetooth Audio > Headphones > HDMI Audio" means the "Headphones" entry will appear when a USB headphone or external USB audio card connected via the 40 Pin GPIO is detected.

To use digital audio via the 40 Pin GPIO interface, you can use the I2S2 interface (requires an external DAC chip to convert to analog audio).
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