A

Ampère, unit of electrical current

AC

alternating current

ACELP

Algebraic Code Excited Linear Prediction

AMC

Advanced Mezzanine Card, a mezzanine card standard for MTCA and ATCA (PICMG). Refer to www.picmg.org for details.

AMC.0

AMC base specification by PICMG - defines a mezzanine building block approach for the addition of crucial functionality to a PICMG 3.0 carrier card available from a number of third party suppliers. Refer to www.picmg.org for details.

AMC.1

PCIe specification for AMC by PICMG - defines port usage for PCI Express and Advanced Switching environments on AMC.0. Refer to www.picmg.org for details.

AMC.2

Ethernet specification for AMC by PICMG - defines port usage for Ethernet on AMC.0. Refer to www.picmg.org for details.

AMC.3

stoarage specification for AMC by PICMG - defines port usage for Fibre Channel, SAS and SATA on AMC.0. Refer to www.picmg.org for details.

AMC.4

SRIO specification for AMC by PICMG - defines port usage for Serial RapidIO on AMC.0. Refer to www.picmg.org for details.

AMP

when used with multi-core CPUs: asymmetric multi-processing

AMR

aka AMR-NB (Adaptive MultiRate Narrow Band), audio compression format for wireless applications, principally an extension to EFR

AMR-WB

Adaptive MultiRate Wide Band, audio compression format for mobile applications, specified as TS 26.171 (ETSI/3GPP) und G.722.2 (ITU-T)

ARP

Address Resolution Protocol

ATCA

Advanced Telecommunication Computing Architecture (PICMG). Refer to www.picmg.org for details.