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Table 5 Architectural implementation comparisons between the conventional techniques and the proposed design.

From: A Novel MPEG Audio Degrouping Algorithm and Its Architecture Design

Architecture

Computation

Throughput

Wordlength

Dividor/Modulo

DIV/MOD

fixed

fixed

Serial Dividor/Modulo

ADD/SUB

not fixed

fixed

Multiplier

MPY

fixed

depend on precision of divisor

Lookup ROM Table

—

fixed

1184 codewords (maximum wordlength: 12 bits)

Proposed Design

ADD/SUB

fixed (1 sample/cycle)

fixed