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docs(cubie a7s): clarify onboard audio interfaces in audio-usage page #43

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8 changes: 8 additions & 0 deletions docs/cubie/a7s/system-config/audio-usage.md
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Expand Up @@ -11,4 +11,12 @@ import AUDIO from '../../../common/radxa-os/system-config/\_audio_usage.mdx';

# 音频管理

:::warning 板载音频接口说明
Cubie A7S 板载 **无 HDMI 接口**，也 **无 3.5mm 耳机插孔**。本主板仅通过 **USB-C 2 (USB 3.2) 的 DisplayPort Alt 模式**输出数字音频，不支持模拟耳机输出。

可用的音频输出方式只有 **蓝牙音频** 与 **DP Alt 模式数字音频** 两种；连接 HDMI 显示器时请使用支持 DP Alt 模式的 USB-C 转 HDMI 线缆。

各接口的硬件细节参见 [硬件接口说明](../hardware-use/hardware-info.md)。
:::

<AUDIO debian_version="debian11" board="cubie-a7s" />
8 changes: 8 additions & 0 deletions ...n/docusaurus-plugin-content-docs/current/cubie/a7s/system-config/audio-usage.md
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Expand Up @@ -11,4 +11,12 @@ import AUDIO from '../../../common/radxa-os/system-config/\_audio_usage.mdx';

# Audio

:::warning Onboard audio interfaces
Cubie A7S has **no HDMI port** and **no 3.5mm headphone jack** on the board. Digital audio is only available through the **USB‑C 2 (USB 3.2) DisplayPort Alt Mode** output; analog headphone output is not supported.

The only available audio output paths are **Bluetooth audio** and **DP Alt Mode digital audio**. To connect an HDMI display for audio, use a USB‑C to HDMI cable that supports DP Alt Mode.

For full hardware details, see the [Hardware interfaces](../hardware-use/hardware-info.md) page.
:::

<AUDIO debian_version="debian11" board="cubie-a7s" />
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