Graphics and audio support are not necessary, as this system may not even have a monitor or speakers.
图形和音频支持并非必要，因为此系统甚至可能没有显示器或扬声器。
They are also adding High Efficiency AAC (HE-AAC) audio support, as well as hardware accelerated, multi-core enhanced full screen video playback.
同时，他们还在加入高效AAC (HE -AAC)音频支持，和硬件加速、多核增强型全屏视频回放等功能。
It also offers synchronous audio support on every channel.
它也可以在每个频道提供同步音频支持。
Other features include pre - and post-alarm image buffering, video motion detection, and two-way audio support.
其他功能包括前后警报图像缓冲，视频动态侦测和双向音频支持。
The M1031-W also includes an integrated passive infrared sensor for motion detection, a white LED light, and two-way audio support with a built-in microphone and speaker.
M1031-W还包括一个适合移动侦测的集成被动红外传感器，白色LED灯，和支持内置麦克风和扬声器的双向音频。
The M1031-W also includes an integrated passive infrared sensor for motion detection, a white LED light, and two-way audio support with a built-in microphone and speaker.
M1031-W还包括一个适合移动侦测的集成被动红外传感器，白色LED灯，和支持内置麦克风和扬声器的双向音频。
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