一個(gè)改進(jìn)的混音算法
An Improved Mixed Audio Algorithm
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摘要: 為了支持企業(yè)協(xié)同工作，語(yǔ)音工具應(yīng)提供自由發(fā)言等靈活的發(fā)言權(quán)控制方式?，F(xiàn)有的語(yǔ)音工具由于混音效果不理想，通常只能采用發(fā)言權(quán)輪轉(zhuǎn)這種簡(jiǎn)單的發(fā)言權(quán)控制方式，限制了群體成員的交互。該文介紹作者設(shè)計(jì)實(shí)現(xiàn)的一個(gè)語(yǔ)音工具ENVoice所采用的旨在提高混音質(zhì)量的混音技術(shù)。該技術(shù)的應(yīng)用，對(duì)于支持協(xié)同工作具有重要意義。
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關(guān)鍵詞:
- CSCW; 語(yǔ)音工具; 混音
Abstract: In order to support cooperative work in enterprise environment, voice tool should provide flexible floor control mode. Because mixed audio is not clear in existing voice tools, they have freezing floor control mode only where members talk by turns which limits the free discussing among group. In the paper, a new mixed audio algorithm, which improves voice quality, adopted by voice tool ENVoice (Enterprise Network Voice tool) is provided. It is very important to support cooperative work. -
Dommel H P, Garcia-Luna-Aceves J J. Floor control for multimedia conferencing and collaboration[J].Multimedia Systems.1997, 5(1):23-38[2]Hindmarsh J.[J].Fraser M, Heath C, Benford S, Greenhalgh C. Fragmented interaction: establishing mutual orientation in virtual environments. CSCW98, Seattle, WA, USA.1998,:-[3]Rodden T R. Populating the application: a model of awareness for cooperative applications.CSCW96, Boston, 1996: 87-96.[4]Radenkovic M, Greenhalgh C, Benford S. A scaleable audio service to support many simultaneous speakers, www.crg.cs.nott.ac.uk/research/projects/nait/, 2002.[5]Gonzlez A J.[J].Hussein A W. Audio mixing for interactive multimedia communications. JCIS98,North Carolina.1998,:- -
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