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| Titel: |
Real-Time Conversion of Stereo Audio to 5.1 Channel Audio for Providing Realistic Sounds |
| Auteur: |
Chan Jun Chun Yong Guk Kim Jong Yeol Yang Hong Kook Kim |
| Verschenen in: |
International journal of signal processing, image processing and pattern recognition |
| Paginering: | Jaargang 2 (2009) nr. 4 pagina's 85-94 |
| Jaar: |
2009 |
| Inhoud: |
In this paper, we address issues associated with the real-time implementation of upmixing stereo audio into 5.1 channel audio in order to improve audio realism. First, we review four different upmixing methods, including a passive surround decoding method, a least-meansquare based upmixing method, a principal component analysis based upmixing method, and an adaptive panning method. After that, we implement a simulator that includes the upmixingmethods and audio controls to play both stereo and upmixed 5.1 channel audio signals. Finally, we carry out a MUSHRA test to compare the quality of the upmixed 5.1 channel audio signals to that of the original stereo audio signal. It is shown from the test that the upmixed 5.1 channel audio signals generated by the four different upmixing methods are preferred to the original stereo audio signals. |
| Uitgever: |
SERSC (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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