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A bit-rate reduction for MUSE signal

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2 Author(s)
Nishino, M. ; Matsushita Electr. Ind. Co. Ltd., Osaka, Japan ; Yamamitsu, C.

A novel bit-rate reduction method developed for the MUSE (multiple subNyquist sampling encoding) signal is discussed. This method uses an orthogonal transformation by which the MUSE data-rate is reduced from 1/2 to 1/3 of the original, maintaining a picture quality acceptable for the home-use digital VTR of a HDTV (high-definition television) system. By simultaneous application of two-dimensional DCT (discrete cosine transform) and nonlinear quantization methods for a quincuncial pixel arrangement formed within a field, an optimum data assignment between DCT coefficients and nonlinear quantization values is accomplished by using a variable length coding method

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Consumer Electronics, IEEE Transactions on  (Volume:36 ,  Issue: 3 )