Significance of Speaker Information in Wideband Speech

In this paper, speech signal having information up to 4 kHz is termed as NarrowBand (NB) speech and the other having information up to 8 kHz is termed as WideBand (WB) speech. The objective is to demonstrate the significance of speaker information present in the WB speech. A Speaker Verification (SV) system is developed using the Mel-Frequency Cepstral Coefficients (MFCCs) computed from the WB speech and modeled using Gaussian Mixture Models (GMM). For comparison, a SV system is also developed from the corresponding NB speech. The experimental results show that the SV performance improves for WB speech and the improvement is significant under degraded conditions.

Provided by: Indian Institute of Technology Guwahati Topic: Software Date Added: Dec 2010 Format: PDF

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