Xi Sisi Shen

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Perceptual tests were carried out to examine (1) whether F0 is necessary to perceive stress in Mandarin, and (2) if not, which cue, duration or intensity, is more important. The results indicate that stress can be identified on the basis of duration and intensity alone; duration is a more important cue than intensity. Acoustical analyses of both natural and(More)
We give the n! permutations of [n] = {1, 2,. .. , n} a cyclic order inspired by the chil-dren's game of Hot Potato. Our order is a transposition Gray code, meaning that consecutive permutations differ by a single transposition. Furthermore, each transposition is restricted in two ways: (1) It must transpose value n (the " hot potato "); (2) It must(More)
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