利用核依賴估計來進行多軌自動混音;Automatic Multi-Track Mixing by Kernel Dependency Estimation

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题名:	利用核依賴估計來進行多軌自動混音;Automatic Multi-Track Mixing by Kernel Dependency Estimation
作者:	吳宗庭;Wu,Tsung-ting
贡献者:	資訊工程學系
关键词:	自動混音;核依賴估計;Automatic Mixing;Kernel Dependency Estimation
日期:	2014-08-21
上传时间:	2014-10-15 17:10:10 (UTC+8)
出版者:	國立中央大學
摘要:	近年來由於數位音樂的蓬勃發展，錄音器材越來越普及。使得非混音專業人士也能利用錄音界面(Audio Interface)錄製出不錯的成品; 但是一旦錄製了多軌(Multi-Track Recording)就會面臨到混音(Mixing)的問題，即需要把多軌的聲音混合在同一個軌中。混音牽扯到許多音響及聲學心理學的相關技術與知識，非專業人士要混出尚可的成品有一定的難度，所以我們提出了自動多軌混音系統(Automatic Multi-track Mixing System)，希望藉由監督式學習的方式學習各軌間混音參數的調配，產生每首的基礎混音(Basic mix-down)來幫助非混音專業人士也能混出不錯的成品(Mix-down)。由於混音參數取得不易，我們會先藉由分軌及混音好的關係估計出各個混音參數，接著利用其參數進行混音模型(Model)的建立。在參數學習(Parameter Learning)方面由於每軌的混音參數是有依賴關係的(Dependency)，我們採用了核依賴估計(Kernel Dependency Estimation)[13]的參數學習(Parameter Learning)方式來預測每軌的混音參數。;Due to the revolution of digital music, People can create acceptable quality recordings in a home studio with cheaper gear. But after multi-track recording, they will next do the essential part of music production: Mixing which combine multi-track recording into one or more channel. The Learning curve of how to mix is very high due to some sound engineering and psychoacoustic background knowledge. It is difficult to get good mixdown for non-specialist in sound engineer. In this paper, we want to use a supervised learning method for automatically mixing multi-track recording into coherent and well-balanced piece. In our system, due to lack of data source of mixing parameter, first we estimate the weight of mixing parameter by using the relation between raw multi-track and mixdown. Then using estimated parameter, we adopt kernel decency estimation method to create our mixing model based on the dependency between tracks.
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