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You can switch to voice, do a video chat, and send texts, too.

你可切换到语音、视频聊天，也可以发送文字。

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When this system needs to playback, data is gotten from RAM, and it transforms into the analog signal through the D/A switch. Moreover through the power amplifier, the voice signal can be recovered.

在需要回放时，再由单片机控制提取RAM中的数据，通过D/A转换器将数字信号转换为模拟信号，通过功率放大器将语音信号还原后回放出来。

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In the next decade, most voice calls will switch to mobile networks as prices fall and coverage spreads.

ECONOMIST: Telecommunications

The voice control features let you switch between playing a game and watching television within the time it takes to change a channel, according to Microsoft.

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To start with, the switch to native IP voice networks needs to happen faster, with fewer starts, stops, and delays.

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