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An Integrated Per-Channel PCM Encoder Based on Interpolation | IEEE Journals & Magazine | IEEE Xplore

An Integrated Per-Channel PCM Encoder Based on Interpolation


Abstract:

A novel technique called interpolation has been used to integrate a per-channel PCM encoder in a standard digital circuit technology. This encoder converts voiceband anal...Show More

Abstract:

A novel technique called interpolation has been used to integrate a per-channel PCM encoder in a standard digital circuit technology. This encoder converts voiceband analog signals to both an oversampled 1-bit code and uniform PCM with μ-law companding noise. The circuit comprises approximately 550 integrated injection logic gates together with a resistive digital-to-analog converter, a voltage reference, and a simple differential amplifier. The encoder is part of a full PCM codec chip set suitable for a broad range of voiceband telecommunication applications.
Published in: IEEE Transactions on Communications ( Volume: 27, Issue: 2, February 1979)
Page(s): 272 - 278
Date of Publication: 06 January 2003

ISSN Information:


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