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CODE.PPT 6.13<br />
CODE.PPT 6.14<br />
Adaptive Quantization<br />
Lecture 9<br />
Original<br />
Quantised (15 levels)<br />
Adaptive Differential PCM<br />
– Differential Speech Coding<br />
– ADPCM coding<br />
• Prediction Filter<br />
• Filter Adaptation<br />
• Stability Triangle<br />
Error<br />
k<br />
Small signal sections ⇒ small k ⇒ small errors<br />
Page 6. Speech Coding E.4.14 – Speech Processing
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