High Frequency Components Recovery in Music Signals
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A new technique is presented which improves the subjective quality of band-limited music by recovery of high frequency components. Sequences of harmonics are found in the band-limited signal and these sequences are expanded to the high frequency band to estimate the lost part of spectrum. High frequency signal is generated to match this estimation and is added to the band-limited signal.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 1999, vol. 8, č. 1, s. 32-33. ISSN 1210-2512
- 1999/1