Title :
Hybrid sinusoidal modeling of music with near transparent audio quality
Author :
Bartkowiak, Maciej ; Januszkiewicz, Lukasz
Author_Institution :
Dept. of Multimedia Telecommun. & Microelectron., Poznan Univ. of Technol., Poznan, Poland
Abstract :
It is often believed that sinusoidal as well as sinusoidal plus noise modeling is not capable of delivering high audio quality for complex signals such as wideband music. We identify the key sources of modeling artifacts in sinusoidal modeling systems and demonstrate a hybrid system that offers near transparent quality of reconstructed audio, thanks to application of a dedicated transient model, an accurate parameter estimation method, an advanced tracking algorithm and a warped frequency spectral model of noise.
Keywords :
audio signal processing; music; parameter estimation; advanced tracking algorithm; audio reconstruction; complex signal; high audio quality; hybrid sinusoidal modeling; hybrid system; modeling artifact; near transparent audio quality; parameter estimation method; sinusoidal plus noise modeling system; transient model; warped frequency spectral model; wideband music; Analytical models; Decision support systems; IP networks; Multimedia communication; Noise; Transient analysis; audio analysis/synthesis; estimation; noise modeling; sinusoidal model; transient modeling;
Conference_Titel :
New Trends in Audio & Video and Signal Processing: Algorithms, Architectures, Arrangements, and Applications (NTAV/SPA), 2012 Joint Conference
Conference_Location :
Lodz
Print_ISBN :
978-8-3728-3502-4