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2013•Proceedings of the 2nd International Conference on Computer Science and Electronics Engineering (ICCSEE 2013)Open access

A Low Complexity Packet Loss Recovery Method for Audio Transmission

Xuming Lu, Huijian He, Hong‐Zhou Tan

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Abstract

A packet loss recovery technique based on interleaving is proposed for uncompressed high-fidelity audio transmission.The audio samples are interleaved for transmission to avoid burst errors.The lost samples in the receiver are estimated by using quadratic fit interpolation (QFI).Finally a low pass filter (LPF) is applied to the estimated data for suppressing high-frequency aliasing caused by data loss.Objective evaluation of the performance is given by the peak signal-to-noise ratio (PSNR).Simulation results show that the proposed method reconstructs the lost data effectively, and has good performance with respect to the PSNR.

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What this paper is about

A packet loss recovery technique based on interleaving is proposed for uncompressed high-fidelity audio transmission.The audio samples are interleaved for transmission to avoid burst errors.The lost samples in the receiver are estimated by using quadratic fit interpolation (QFI).Finally a low pass filter (LPF) is applied to the estimated data for suppressing high-frequency aliasing caused by data loss.Objective evaluation of the performance is given by the peak signal-to-noise ratio (PSNR).Simulation results show that the proposed method reconstructs the lost data effectively, and has good performance with respect to the PSNR.

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Available abstract

A packet loss recovery technique based on interleaving is proposed for uncompressed high-fidelity audio transmission.The audio samples are interleaved for transmission to avoid burst errors.The lost samples in the receiver are estimated by using quadratic fit interpolation (QFI).Finally a low pass filter (LPF) is applied to the estimated data for suppressing high-frequency aliasing caused by data loss.Objective evaluation of the performance is given by the peak signal-to-noise ratio (PSNR).Simulation results show that the proposed method reconstructs the lost data effectively, and has good performance with respect to the PSNR.

Key concepts: Computer science, Interleaving, Packet loss, Aliasing, High fidelity, Transmission (telecommunications), Interpolation (computer graphics), Anti-aliasing

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