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Application of Real-time AMDF Pitch Detection in a Voice Gender Normalisation System
Jung, E.; Schwarzbacher, A.; Humphreys, K.; Lawlor, Bob
Traditionally the interest in voice gender conversion was of a more theoretical nature rather than founded in real-life applications. However, with the increase in mobile communication and the resulting limitation in transmission bandwidth new approaches to minimising data rates have to be developed. Here voice gender normalisation (VGN) presents an efficient method of achieving higher compression rates by using the VGN algorithm to remove gender specific components of a speech signal and thus enhancing the information content to be transmitted. A second application for VGN is in the field of speech controlled systems, where current speech recognition algorithms have to deal with the voice characteristics of a speaker as well as the information content. Here again the use of VGN can remove the speaker's voice gender characteristics and thus enhance the message contents. Therefore, such a system would be capable of achieving higher recognition rates while being independent of the speaker. This paper presents the theory of a VGN system and furthermore, outlines an efficient real-time hardware implementation for the use in portable communications equipment.
Keyword(s): Application; Real-time AMDF Pitch Detection; Voice Gender Normalisation (VGN); speech recognition algorithms
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Type: Conference item
Peer-Reviewed: No
Institution: Maynooth University
Citation(s): Jung, E. and Schwarzbacher, A. and Humphreys, K. and Lawlor, Bob (2002) Application of Real-time AMDF Pitch Detection in a Voice Gender Normalisation System. In: 7th International Conference on Spoken Language Processing 2002 (ICSLP2002 - INTERSPEECH 2002), September 16-20, 2002, Denver, Colorado.
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First Indexed: 2020-04-02 06:26:37 Last Updated: 2020-04-02 06:26:37