Speech coding methods in mobile radiocommunication systems

Milković, Dražen; Zentner, Ervin

doi:10.1109/icecom.2003.1290965

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Cited by 3 publications

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“…There are too many efforts needed to develop a proper speech coding algorithm. To maintain the quality level and decreasing data rate of voice signal is important in transmitting signals over air interference [4]. By using GSM and PCM telephone standard in speech recognition quality is improved.…”

Section: Introductionmentioning

confidence: 99%

Noise Reduction in Speech Coding Technique Used in GSM

Gadge¹,

Gundal²

2019

IJITEE

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The improvement in speech quality in mobile communication can be made by reducing the noise content. The low bit rate speech coding technique such as RPE-LTP in GSM with noise signal filtering can increase the complexity of complete mechanism. The paper presents noise signal reduction in RPE-LTP speech coding technique by using Zero Crossing Rate (ZCR) and pitch values. By using this technique quality measures of speech coding technique such as SNR, PESQ, MSE are improved as compared to RPE-LTP technique without affecting complexity

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Section: Introductionmentioning

confidence: 99%