Coloring background voice service is defined as the playing of specific background music during the calling of mobile subscribers.

背景音业务指电话用户在双方通话的过程中，由系统播放特殊的背景音效果。

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Customers can also stay in touch via video chat, while enjoying excellent voice quality with reduced background noise through the built-in digital microphone.

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All of a sudden, we hear a familiar voice singing beautiful harmony in the background.

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Voice Focus ensures precisely targeted voice pick-up, while Noise Reduction enables clear conversations without background noise interference.

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