A simple MDCT-based speech coder for Internet applications
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香港中文大學研究人員
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摘要A very simple speech coder is investigated based on modified discrete-cosine transform (MDCT), run-length coding, and entropy code. The speech signal is first passed through a MDCT, quantized by a uniform quantizer, and run-length coded to achieve good compression ratio. Not suitable for wireless communication systems, the speech coder is perfect for Internet and speech storage applications. With a performance far better than most speech coders for wireless applications, low data-rate speech of 3 kbit/s can be achieved with a signal-to-noise ratio (S/N) of about 12 dB.
著者Kwong CF, Pang WM, Wu HC, Ho KP
會議名稱5th International Computer Science Conference (ICSC 99)
會議開始日13.12.1999
會議完結日15.12.1999
會議地點HONG KONG
期刊名稱Lecture Notes in Artificial Intelligence
詳細描述(The 5th International Computer Science Conference, ICSC '99) vol.1749
出版年份1999
月份1
日期1
卷號1749
出版社SPRINGER-VERLAG BERLIN
頁次256 - 263
國際標準書號3-540-66903-5
國際標準期刊號0302-9743
語言英式英語
Web of Science 學科類別Computer Science; Computer Science, Theory & Methods; Telecommunications

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