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。
The service numbers were usually voice-prompt driven, which makes no sense in an airport, as there are incredible amounts of background noise.
该服务常常使用语音识别，对于存在大量环境噪音的机场，这显然不合情理。
应用推荐