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Advantages of linear prediction analysis
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it provides extremely accurate estimates of the speech parameters
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it's speed of computation is fast
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it provide very good model of vocal tract
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it is also used in differential quantization scheme to reduce the bit rate of digital representation of speech waveform
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Limitations of linear predictor
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because of it's all-pole model it is not adequate for sounds such as nasals and nasalized vowels
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it is not very robust to noise and is unable to model second formant in the presence of noise