Modified Digital Filtering Algorithm to Enhance Perceptual Evaluation of Speech Quality (PESQ) of VoIP | Zendy

Imran Ghous | Zendy; Tahir Muhammad | Zendy; Habibullah Jamal | Zendy

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Modified Digital Filtering Algorithm to Enhance Perceptual Evaluation of Speech Quality (PESQ) of VoIP

Author(s) -

Imran Ghous,

Tahir Muhammad,

Habibullah Jamal

Publication year - 2013

Publication title -

international journal of image graphics and signal processing

Language(s) - English

Resource type - Journals

eISSN - 2074-9082

pISSN - 2074-9074

DOI - 10.5815/ijigsp.2013.04.02

Subject(s) - pesq , voice over ip , computer science , speech recognition , perception , quality (philosophy) , algorithm , artificial intelligence , speech enhancement , psychology , noise reduction , the internet , world wide web , philosophy , epistemology , neuroscience

Speech quality of VoIP system is degraded due different network layer problems such as packet loss delay and jitter and external noise. This paper compares the quality of speech signal that is implemented on digital signal processor using G.729 audio data compression algorithm with the ITU-T G.711 PCM coder implemented using modified digital filtering algorithm. PESQ (ITU-T P.862, Perceptual Evaluation of Speech Quality) is used to evaluate the performance. The results indicate that our proposed architecture has better performance.

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