Perceptual relevance of the temporal envelope to the speech signal in the 4-7 kHz band

Kyung Tae Kim, Jeung Yoon Choi, Hong Goo Kang

Research output: Contribution to journalArticle

5 Citations (Scopus)


The perceptual relevance of adopting the temporal envelope to model the frequency band of 4-7 kHz (highband) in wideband speech signal is described in this letter. Based on theoretical work in psychoacoustics, we find out that the temporal envelope can indeed be a perceptual cue for the high-band signal, i.e., a noiseless sound can be obtained if the temporal envelope is roughly preserved. Subjective listening tests verify that transparent quality can be obtained if the model is used for the 4.5-7 kHz band. The proposed model has the benefits of offering flexible scalability and reducing the cost for quantization in coding applications.

Original languageEnglish
Pages (from-to)EL88-EL94
JournalJournal of the Acoustical Society of America
Issue number3
Publication statusPublished - 2007 Oct 17


All Science Journal Classification (ASJC) codes

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

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