Whenever the audio tone of the detector sounded, a diver would mark the spot with a white cork float and return later to excavate it.

一旦探测器发出音频信号，潜水员就用软木浮标作上标记，待稍后进行挖掘。

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It includes audio dialogs that feature synthesized speech, digitized audio, recognition of spoken and telephone tone dialing input, and recording of spoken input.

它包含的音频对话框具有以下特点：语音合成、数字音频、声音识别和电话音质拨号输入和话音输入录制。

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He added: "When you play a musical instrument you have to learn about tone and about scores and your ability to store audio information becomes better."

他补充说：“学弹奏乐器就得学习音调和乐谱，这样能提高自己声频信息存储能力。”

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With Cinema-Look filters, Shooting Assist and Smart AUTO, users can experiment with a variety of imaging modes and easily identify optimum audio settings to give their videos a rich and dynamic tone.

ENGADGET: Canon's latest VIXIA camcorders stream and share with your mobile device

With Advanced Audio Coding it takes only 12 minutes, with little effect on tone.

FORBES: Aural Surgery

Cambridge firm Audio Analytic has produced software which it said can analyse the pitch, tone and intonation of noises and work out if they pose a threat.

BBC: New CCTV technology senses aggression from sound