MPX may refer to:

Technology

MPX filter MPX filter is a function found in analogue stereo FM broadcasting and personal monitor equipment, FM tuners and cassette decks. An MPX filter is, at least, a notch filter blocking the 19 kHz pilot tone, and possibly higher frequencies in the 23- ...

, a function found in cassette decks *

Multiplexing In telecommunications and computer networking, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium. The aim is to share a scarce resource� ...

, the process of combining multiple analog or digital signals into one **

Multiplexer In electronics, a multiplexer (or mux; spelled sometimes as multiplexor), also known as a data selector, is a device that selects between several Analog signal, analog or Digital signal (electronics), digital input signals and forwards the sel ...

, an electronic device which accomplishes this task

Computing

Multi-Pointer X Multi-pointer X (MPX) is a part of X input extension and previously a modification to the existing X.Org implementation of the X Window System. MPX provides multiple independent pointers at the windowing system level. These pointers are all con ...

, an extension to X.Org * MPX Microsoft Project Exchange File Format, a Microsoft Project file format *

Intel MPX Intel MPX (Memory Protection Extensions) are a discontinued set of extensions to the x86 instruction set architecture. With compiler, runtime library and operating system support, Intel MPX claimed to enhance security to software by checking poin ...

, a set of Memory Protection Extensions to the x86 instruction set architecture * .mpx, a video file format in the Kingston K-PEX 100 * IBM 1800 MPX, in the

list of operating systems This is a list of operating systems. Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap. Criteria for inclusio ...

* MPX bus, a PowerPC CPU bus, for example in the

PowerPC G4 PowerPC G4 is a designation formerly used by Apple Inc., Apple to describe a ''fourth generation'' of 32-bit PowerPC microprocessors. Apple has applied this name to various (though closely related) processor models from Freescale Semiconductor, Fr ...

Other uses

* MPX Energia, former name of the Brazilian utility company Eneva *

MPI MPXpress The MPI MPXpress is a line of diesel-electric locomotives built by MotivePower (a subsidiary of Wabtec) for commuter rail service. There are five MPXpress models: MP36PH-3S, MP36PH-3C, MP40PH-3C, MP32PH-Q, and MP54AC. MPXpress locomotives were ...

, a train locomotive *

SIG MPX The SIG MPX is a gas operation, gas-operated submachine gun designed and manufactured by SIG Sauer, and is primarily chambered in 9×19mm Parabellum. It is a gas-operated firearm featuring a closed bolt, closed, rotating bolt, rotating bolt. Thes ...

, a submachine gun from SIG Sauer * An abbreviation for

mpox Mpox (, ; formerly known as monkeypox) is an infectious viral disease that can occur in humans and other animals. Symptoms include a rash that forms blisters and then crusts over, fever, and swollen lymph nodes. The illness is usually mild, ...

, an infectious viral disease * Motion Picture Exchange, acronym for a global sales exchange company that serves as a liaison to distributors {{disambiguation