頁籤選單縮合
題 名 | 電話線環境下之語音基週軌跡偵測=Detection of Pitch Contour from Telephone Speech |
---|---|
作 者 | 洪偉文; 沈家豪; 王星傑; 高銘宗; | 書刊名 | 明志學報 |
卷 期 | 34:1 2002.06[民91.06] |
頁 次 | 頁41-46 |
分類號 | 448.7 |
關鍵詞 | 音調辨認; 語音辨認器; 基週軌跡偵測; 循環式區域峰值偵測法; |
語 文 | 中文(Chinese) |
中文摘要 | 連續語音的音調辨認(tone recognition)對語音辨認器之準確性影響甚大,由於國語音調中一、二聲,原本就比較容易混淆,再加上背景雜訊及電話通道效應之干擾,音調辨認在目前仍有許多瓶頸有待克服,而基週軌跡偵測(detection of pitch contour)的準確性則攸關音調辨認器之成效,本文提出一種循環式區域峰值偵測法(iterative local peak detection method, ILPD)來偵測基週的軌跡。 |
英文摘要 | The detection of pitch contour for tone recognition of Mandarin speech is a very important topic. Due to the influences of background noise and channel effect, the detection of pitch contour is still a problem to be solved. In this paper, we propose an iterative local peak detection (ILPD) method and evaluate its effectiveness for speech tone recognition in a noisy environment. |
本系統中英文摘要資訊取自各篇刊載內容。