The perception of intonational emphasis: continuous or categorical? (jp970046)  

Oleh:

Morton, R. ; Ladd, D. Robert

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Phonetics vol. 25 no. 3 (Jul. 1997), page 371-400.

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/JOP/25 Non-tandon: tidak ada Tandon: 1

Lihat Detail Induk

Isi artikel

A series of experiments was carried out to test the idea that there is a categorical difference between "normal" and "emphatic" accent peaks in English, rather than a continuum of gradually increasing emphasis. This idea builds on several studies previously published in this journal as well as a pilot study of our own. The experimental stimuli were all naturally spoken short utterances containing a single rising-falling pitch accent, resynthesised with modified pitch range. In three classical categorical perception experiments we found good evidence of abrupt shifts in identification from normal to emphatic as pitch range increases, but little evidence of an associated peak in discriminability of stimulus pairs. This suggests that the normal/emphatic distinction may be "categorically interpreted" but not categorically perceived. Additionally, we report a consistent but puzzling order-of-presentation effect that bears further investigation.

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