Adaptive predictive coding: Difference between revisions
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{{Short description|Narrowband analog-to-digital conversion}} | |||
'''Adaptive predictive coding''' ('''APC''') is a [[narrowband]] [[Analog-to-digital converter|analog-to-digital conversion]] that uses a one-level or multilevel [[Sampling (signal processing)|sampling system]] in which the value of the [[signal (information theory)|signal]] at each sampling instant is predicted according to a linear function of the past values of the [[Quantization (signal processing)|quantized]] signals.<ref name="Keiser2012">{{cite book|last1=Keiser|first1=Bernard E.|last2=Strange|first2=Eugene|title=Digital Telephony and Network Integration|date=2012|publisher=Springer Science & Business Media|isbn=9781461517870|page=94|url=https://books.google.com/books?id=4E3TBwAAQBAJ&dq=adaptive+predictive+coding+ADC&pg=PA94|access-date=5 April 2018|language=en}}</ref> | '''Adaptive predictive coding''' ('''APC''') is a [[narrowband]] [[Analog-to-digital converter|analog-to-digital conversion]] that uses a one-level or multilevel [[Sampling (signal processing)|sampling system]] in which the value of the [[signal (information theory)|signal]] at each sampling instant is predicted according to a linear function of the past values of the [[Quantization (signal processing)|quantized]] signals.<ref name="Keiser2012">{{cite book|last1=Keiser|first1=Bernard E.|last2=Strange|first2=Eugene|title=Digital Telephony and Network Integration|date=2012|publisher=Springer Science & Business Media|isbn=9781461517870|page=94|url=https://books.google.com/books?id=4E3TBwAAQBAJ&dq=adaptive+predictive+coding+ADC&pg=PA94|access-date=5 April 2018|language=en}}</ref> | ||
Latest revision as of 07:24, 27 February 2026
Template:Short description Adaptive predictive coding (APC) is a narrowband analog-to-digital conversion that uses a one-level or multilevel sampling system in which the value of the signal at each sampling instant is predicted according to a linear function of the past values of the quantized signals.[1]
APC is related to linear predictive coding (LPC) in that both use adaptive predictors. However, APC uses fewer prediction coefficients, thus requiring a higher sampling rate than LPC.
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