完整後設資料紀錄
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dc.contributor.author邵芳雯en_US
dc.contributor.authorFang-Wen Shawen_US
dc.contributor.author陳信宏en_US
dc.contributor.authorSin-Horng Chenen_US
dc.date.accessioned2014-12-12T02:12:21Z-
dc.date.available2014-12-12T02:12:21Z-
dc.date.issued1993en_US
dc.identifier.urihttp://140.113.39.130/cdrfb3/record/nctu/#NT820436030en_US
dc.identifier.urihttp://hdl.handle.net/11536/58159-
dc.description.abstract本文針對標準CELP方法在適應碼書的尋取上複雜度較高,且適應碼書內容 隨每一個子音框訊號的更替而不斷作修正,因此無法任意改變一個字的合 成週期長度, 以調整合成聲音音階高度等缺失,而提出一個修正式線性預 估編碼合成器, 其中捨棄了標準CELP的適應碼書,而以一串事先求好的主 脈衝來模擬訊號的週期性部份, 以此主脈衝激勵聲道濾波器所得的響應訊 號和原始訊號之間的滴第一階段剩餘誤差訊號,才用一組隨機碼字去模擬 。之後便可 及隨機碼字增益值的方式來調整合成聲音的音階,長度,能量 等各種參數。 As the adaptive codebook search process in standard CELP being complicated, in this paper, we gave up the adaptive codebook, and a sequence of main pulses to model the periodic part of the signal. As to the residual signal, we then use the same codeword in standard CELP to model it. After that, we can the distances beween two main pulses, and change the stochastic codeword gain to change the pitch and duraion of the synthesizedzh_TW
dc.language.isozh_TWen_US
dc.subject國語歌曲, 合成zh_TW
dc.subjectChinese Songs,Synthesis,CELPen_US
dc.title國語歌曲之合成zh_TW
dc.titleSynthesis of Chinese Songsen_US
dc.typeThesisen_US
dc.contributor.department電信工程研究所zh_TW
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