… 4. ALIAS-FREE SUBBANDS … The filter bank is also designed to assure that the subband sig- nals
are alias-free … better represented by the residual models described in the section 7. Not only does
the four-band system sound better than single- band sinusoidal modeling, but the …

… For this benefit of alias-free subbands, the filter bank can no longer critically … in the resulting number
of sinusoidal parameters due to the oversampling of the subband data … Anderson, DV, “Speech
analysis and coding using a multi- resolution sinusoidal transform”, ICASSP-1996 …

… 2 Wavelet tree and its subband decomposition … Ranging from the lowest to highest band, the
proposed sinusoidal model uses analysis frame lenth of 30ms, 20ms, and … The number of subbands
was experimental fixed to 3. The one division of original and synthetic speech signal …

… In this scheme, the input speech signal is decomposed into sub band signals using a filter banle …
We decomposed an input speech signal of SOms frame size into 3 subbands. Ranging from the
lowest to highest band, the subband sinusoidal model uses window sizes of SO, 2S …

… hand, for signals with many partials, the input has to be divided into subbands and the spectral
analysis is performed on each subband later to … The high-resolution front-end provides improved
spectral resolution that opens possibilities for polyphonic sinusoidal analysis and …

… Modeling the onsets of (a) a sinusoid and (b) a simple harmonic signal using the … modeling can
be achieved by two methods: filter bank approaches, wherein subband filtering is fol … is the optimal
segmentation up to that point in the signal, and the sinusoidal parameters computed …

… We decomposed input speech signals into 4 subbands using a wavelet packet transform … Ranging
from the lowest to highest band, the subband sinusoidal model uses frame sizes of … spectrum of
the synthetic speech signals indicates that the proposed sinusoidal model achieves …

… Scale Modification quencies are arbitrary, they cause the phase of each component sinusoid
to evolve … darn + l)l sin _)ln However, N noting that (83) two sinusoids with constrained … Another
advantage of the ABS/OLA system is the sinusoidal model's ability to represent signals …

… decaying sinusoid, a diffi- cult signal for sinusoidal modeling (a); and the DCT of the exponentially
decaying sinusoid, an ideal … Using this information, the sinusoidal model should only be applied
to tonal portions of the signal. This works for both the sine and tran- sient models …

… 12.2, the spectral peaks in the STFT play a key role in the analysis methods for sinusoidal
modeling, as does the interference between multiple peaks … 12.6, which depicts the
(non-subsampled) STFT filter bank subband signals for several subbands …