Báo cáo hóa học: " Efficient Alternatives to the Ephraim and Malah Suppression Rule for Audio Signal Enhancement" doc

... threshold, we stop the update for all algorithms throughout the simulations (this is the reason of the observable flat intervals in the figures). To measure the achievement level for echo-path identifi- cation ... 3.2 and [28]. The control sequences for POWER I are designed in the same manner as shown in Figure 4. For POWER II and the UW-PSP, the curves of q = 4...

Ngày tải lên: 22/06/2014, 23:20

... and all members were asked to complete the questionnaire and to return it anonymously. The subjects were not informed on the scientific hypotheses, nor did they know who of them belonged to the ... offering the chance of some degree of matching for this variable. The subjects were not informed on our working hypotheses, nor did they know who of them belonged to the...

Ngày tải lên: 20/06/2014, 00:20

... modes for a 4 × 4block. modes 1 and 6 will be selected. Therefore, together with the DC mode, we only need to perform the prediction for three modes instead of nine for a 4 × 4 block. As the DC ... size and the to- tal number of coding bits of the kth frame in the precoded video, j is the frame number of the first frame in the cur- rent GOP, N is the total num...

Ngày tải lên: 22/06/2014, 23:20

... always lead to the baseline level of stimulation), then the data are consistent with a functional network where the pathways from the receptors (for all stimuli in S) to the protein merge together before ... variable to any other node. Then application of the chain rule for derivations with respect to x i , x j and x k leads to the following set of partial diffe...

Ngày tải lên: 21/06/2014, 02:20

... However, the core engine relies fully on the designer to preassign fixed-point formats to a sufficient portion of the signals, so that the optimisation engine may propagate these to the rest of the CDFG ... compatible with other EDA tools and easier to integrate into existing design flows. Also, the fix ify environment requires no change to the origi- nal floating-point...

Ngày tải lên: 22/06/2014, 22:20

... (ROM) and then using a digital -to- analog con- verter (DAC) to reconstruct the analog signal. A higher ca- pacity ROM (to store the samples for four subbands at the PP) can be used to generate the ... equalizer. For mDECT-SB, the distor- tion caused in the subbands towards the edges of the channel selection filter will be higher and the equalizer performance wi...

Ngày tải lên: 22/06/2014, 22:20

... frequency, normalized by the sampling frequency, and m is the order of the modulator. The second term of the right-hand side of (1) is the signal term while the first term represents the quantization ... 2.3. The lowpass fil- tered signal was down-sampled, with and without the post- processing narrowband Laguerre filter. The narrowband La- guerre filter has 21 coeffici...

Ngày tải lên: 22/06/2014, 23:20

... memory locations are used between the CPU and the coprocessor for the inst ructions and the data, respectively. The 16 row sum vectors are sent to the coprocessor and the sine and cosine accumulate results ... in a vector are then multiplied to their corresponding discrete sine values, and the results are accumulated and squared. The same computation is don...

Ngày tải lên: 22/06/2014, 23:20

... s M/2−1,t  . (7) The last element of the fast ELT structure is the DCT-IV transform. Because the DCT-IV matrix and the matrices D c t are their own inverses, the transform and the butterflies in the inverse ... by taking the real part of one polyphase component and the imaginary part of the other polyphase component in each subband and alternating this from one s...

Ngày tải lên: 22/06/2014, 23:20

... the amplitude and the phase of the signal at the input of the de- tector/decoder. In order to compensate for these variations, we multiply the equalized signal by the complex conjugate of the gain, and ... describe now for the di- rect and inverse TV-FD-DFEs. FB for the direct TV-FD-DFE For the direct TV-FD-DFE, the first FF equalized sample in the...

Ngày tải lên: 22/06/2014, 23:20