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題 名 | 語者識別晶片之研製=VLSI Design of Speaker Identification |
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作 者 | 曾憲輝; 邱創乾; 張良羽; | 書刊名 | 逢甲學報 |
卷 期 | 31 1997.06[民86.06] |
頁 次 | 頁191-218 |
分類號 | 448.57 |
關鍵詞 | 非特定語句; 語者辨識; Mel-cepstrum; Text independent speaker identification; Gaussian mixture model; |
語 文 | 中文(Chinese) |
中文摘要 | 本論文提出以Mel-cepstrum為語音特徵的擷取方法,用於非特定語句的語者辨識, 並修改GMM的辨識法則,而設計出一種適用於晶片設計上的辨識法則。利用電腦來求得個人的 語音特性資料,並儲存於ROM或EPROM 中,如此較有彈性;再加上語音訊號處理部份以及記憶 體配置部份,配合此晶片,如此即可達到辨識的目地。由於速度的提高,並可以完成即時 (Real Time) 的辨識,而增加其實用性。 在此晶片中的設計為7人的辨識,辨識時所需的測試語音長度約為2秒,而辨識結果的輸出則 是以3 bits來表示,操作的速度為30MHz以上。本晶片所使用的製程為0.8um CMOS技術,已委 託晶片中心製作。 |
英文摘要 | This paper develops an extracting algorithm to use Mel-cepstrum as speech feature. This algorithm is used in text independent speaker identification modified from Gaussian Mixture Model and is suitable for chip design. We can get individual speech characteristics from the computer and download this character to ROM or EPROM as reference data. This chip combines with signal processing and memory portions to complete a speaker identification system. A Speaker can be identified so immediately owing to the high speed performance of the chip that the system's practicability can be increased. This chip can identify seven people. It needs about two seconds of length to test speech. And the output is shown by 3 bits. The work speed is up to 30MHz and the process is 0.8um CMOS technique. This chip has been sent to CIC for fabrication. |
本系統中英文摘要資訊取自各篇刊載內容。