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  • 學位論文

車用導航系統之語音導航功能設計研究

A Study on the Design of Voice Navigation of Automobile Navigation System

指導教授 : 吳志富
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摘要


隨著科技日新月異、3C產品的發達,車用導航系統產品已逐漸被廣大駕駛族群所使用,並且伴隨語音導航功能的開發,車用導航系統能無時無刻提供駕駛人處於不同交通環境所需之資訊。然而,本是藉著利用語音資訊來降低駕駛人行車時將視線偏離道路的次數,但因播放內容不易理解導致認知錯誤,反而會造成駕駛人在行車時的安全考量。因此,本研究主要以現有車用導航系統產品的語音導航功能作操作現況調查與探討,並進一步設計新播放模式,以期提升駕駛人的駕駛正確率。 本研究首先藉由問卷調查方式,分別針對有使用過相關產品的使用者與未使用過相關產品的使用者,調查駕駛人行車時使用車用導航系統產品對不同種類的道路組合,產生的認知與駕駛問題點。經調查結果發現,駕駛人會因語音導航並無明顯告知需變換車道之提示與語音最終播報之時機並未根據駕駛人行車時速進行改變而造成駕駛任務之失敗。而後,針對此兩種播報狀況進行駕駛模擬實驗。在告知變換車道提示方面,利用一明顯的音效音能降低駕駛失敗率,當行駛於有快慢車道之道路時,駕駛正確率更有顯著差異,而後更針對提示音的種類進行討論,發現利用語音播放提示內容最為適切、螢幕顯示之提示方式最不適切;在語音最終播報之時機方面,利用[速率*2.5秒]求得的語音播報時機,其實驗結果發現,修正過後的播放時機能有效改善駕駛錯誤的產生。

並列摘要


With advances in technology as well as in computer, communication and consumer electronic products, automotive navigation systems have increasingly been used by a lot of drivers. Moreover, the development of voice navigation functions enables automotive navigation systems to provide information required by drivers in different environment anytime. Although voice information aims at reducing the occasions in which drivers move their eyesight from the road, deficiencies in voice navigation functions may nevertheless become a safety concern. Therefore, this study put focuses on the voice navigation functions of currently available automotive navigation systems. Moreover, a new broadcasting pattern of voice information is designed so as to improve the rate of correct driving. By collecting questionnaires answered by those who have used relevant products and those who have not, this study first analyzes how drivers comprehend information about different road sections provided by automotive navigation systems and the issues involved. The results show that drivers may fail the driving tasks due to reminders of switching lanes not being clearly informed as well as the timing of final voice broadcasting not being varied in accordance with the speed of the car. Accordingly, driving simulation tests are conducted based on these two scenarios. With respect to reminders of switching lanes, one single clear sound may reduce the rate of failing driving tasks, especially in the case of roads with both fast and slow lanes, where rates of correct driving can be increased significantly. Moreover, voice broadcasting is the most ideal way for reminders, while monitor display the worst. Finally, broadcasting timing modified based on the [speed × 2.5 seconds] formula can effectively reduce the happening of incorrect driving.

參考文獻


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被引用紀錄


傅首僖(2013)。以類比按鍵輔助語音操控導航系統〔碩士論文,國立臺北科技大學〕。華藝線上圖書館。https://doi.org/10.6841%2fNTUT.2013.00272
黃禎頤(2009)。不同駕駛路況之車用導航介面設計最佳化研究〔碩士論文,大同大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0081-3001201315104787

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