Sentence examples for log spectra from inspiring English sources
The general shape of log spectra is denoted by E(f).
The log spectra are computed by taking the element-wise logarithm of the energy in the cochleagram matrix.
In training, each clean utterance is normalized to a 60-dB energy level, and the log spectra are calculated as described in Section 2.1.
In [8], we can find an AED approach that directly models log spectra patches rather than pre-designed features using deep neural networks (DNN).
For each speaker, we build a 128-dimensional GMM from the log spectra of their clean utterances and use a diagonal covariance matrix for each Gaussian for efficiency and tractability.
It is proposed to estimate the log speech spectrum at a hypothetical close-talking microphone that should have good quality by multiple regression of the log spectra of several distant microphone signals.
Repeat the above procedure to obtain the refined log spectrum, log S ̂ n ωmt , of the noise signal.
The inverse DWT is applied to the thresholded wavelet coefficients to obtain the refined log spectrum.
In[13], the log spectrum of each image is analyzed and the spectral residual is obtained.
Log spectrum L f) from the down-sampled image is obtained as in (6) L f)= log left( B(f right) (6) 3.
The model in Equation 8 is well suited for wavelet denoising techniques [36] [39] for eliminating the noise η and obtaining a better estimate of the log spectrum.
