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In this paper, we investigate eight objective speech intelligibility prediction measures for noisy signals before and after noise-reduction processing in Japanese. The Japanese speech signals were first corrupted by three types of noises at two signal-to-noise ratios and processed by four classes of noise-reduction algorithms, whose intelligibility was subsequently predicted by objective measures...
In this paper, the performance of eight state-of-the-art objective measures is evaluated in terms of predicting speech intelligibility in Mandarin of the processed signals by noise-reduction algorithms. The speech signals were first corrupted by three types of noises at two signal-to-noise ratios and subsequently processed by four classes of noise reduction algorithms, followed by objective intelligibility...
Discontinuous transmission based on speech/pause detection represents a valid solution to improve the spectral efficiency of new-generation wireless communication systems. One of the modern standards that used in speech processing systems as voice activity detector (VAD) is ITU-T G.729B. In this paper, we try to improve the performance of this standard in low SNRs by minimum changes. This modification...
There are a number of approaches for converting image resolution. In general, resolution conversion takes place in the spatial domain, which is a straightforward method. However, DCT (Discrete Cosine Transform) is often used in image compression. Resolution conversion in the DCT domain is noteworthy because this method can convert image resolution with compressed image data (ex. JPEG and MPEG formats)...
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