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語音辨識
日期:2017/05/18
數位語音處理
• 語音合成(Speech Synthesis):指人工產生人類的語音,讓電腦模
擬人類發出語音。主要的技術稱為文字轉語音(Text-to-Speech)。
• 語音辨識(Speech Recognition) :指電腦自動辨識人類的語音,擷
取人類的語音訊號,並透過電腦運算自動辨識為文字資訊。主要
的技術稱為語音轉文字(Speech-to-Text)。
Speech To Speech (STS) Translation
您好 Hello
STS
6
How does it work ?
STS Translation
Speech to Text Text translation Text to Speech
Text correction
7
作業九:基本題
• 題目:利用語音轉文字控制樹莓派的GPIO腳位on或off來開關LED燈或
無源蜂鳴器等元件,並且系統使用TTS回應完成的指令。
• 範例情境:當麥克風接收到預設的語音指令時,觸發相對應的事件,
如:當使用者說″打開紅色的LED燈″就會開啟紅色的LED燈,系統回
覆說″紅色的LED燈打開了″ 。
*語音指令說中文,系統以中文回覆
作業九:進階題
範例情境 :
• 當溫度高於25度,亮紅色LED燈,此時使用者可以下指令″too
hot″,麥克風接收指令後,關紅色LED燈,開啟冷氣,系統回覆
說″Turning on the air conditioner″ 。
• 當溫度低於22度,亮黃色LED燈,此時使用者可以下指令″too
cold″,麥克風接收指令後,關黃色LED燈,開啟吹風機,系統回
覆說″Turning on hair dryer″。
• *語音指令說英文,系統以英文回覆
附註
2017 Week 13 Speech Recognition
2017 Week 13 Speech Recognition
2017 Week 13 Speech Recognition

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