A hybrid virtual bass system for optimized steady-state and transient performance
Journal article
Hill, Adam J. and Hawksford, Malcolm O. J. 2010. A hybrid virtual bass system for optimized steady-state and transient performance.
| Authors | Hill, Adam J. and Hawksford, Malcolm O. J. |
|---|---|
| Abstract | Bandwidth extension of a constrained loudspeaker system is regularly achieved employing nonlinear bass synthesis. The method operates on the doctrine of the missing fundamental whereby humans infer the presence of a fundamental tone when presented with a signal consisting of higher harmonics of said tone. Nonlinear devices and phase vocoders are commonly used for signal generation; both exhibiting deficiencies. A system is proposed where the two approaches are used in tandem via a mixing algorithm to suppress these deficiencies. Mixing is performed by signal transient content analysis in the frequency domain using constant-Q transforms. The hybrid approach is rated subjectively against various nonlinear device and phase vocoder techniques using the MUSHRA test method. |
| Keywords | Psychoacoustics; Digital signal processing; Virtual bass; Nonlinear processing |
| Year | 2010 |
| Publisher | IEEE |
| Web address (URL) | http://hdl.handle.net/10545/229154 |
| hdl:10545/229154 | |
| Publication dates | Sep 2010 |
| Publication process dates | |
| Deposited | 15 Jun 2012, 14:51 |
| ISBN | 978-1-4244-9029-5 |
| Contributors | University of Essex |
| File | File Access Level Open |
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https://repository.derby.ac.uk/item/93969/a-hybrid-virtual-bass-system-for-optimized-steady-state-and-transient-performance
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