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WorldCast Introduces APTmpX

A compression format to transmit high-quality signal at lower bitrates

APT IP codec promo image
APT IP codec promo image

WorldCast Systems has a new offering that it says will give FM broadcasters access to high-quality signal compression for FM MPX/Composite transmission.

“APTmpX is the world’s first and only MPX/composite algorithm to save network bandwidth without deconstructing the original composite signal,” it states in a release.

WorldCast described it as “a new compression format to transmit your high-quality composed signal at even lower bitrates, under 1 Mbps.”

It is available in MPX/composite-compatible APT IP codecs.

The manufacturer said advancements in recent years have eliminated much of the equipment once required to generate an MPX/composite signal. More recently, a single central processor assures consistent audio signature across a transmitter network.

APT mpx bitrate graphic box
WorldCast Systems graphic

“However, before APTmpX, there remained one challenge: how to manage the relatively high IP data rate of a composite signal without affecting the MPX/composite transmission,” the company wrote.

“APTmpX not only enhances our portfolio for MPX solutions, but also marks a milestone in the transition to an MPX/composite environment,” said APT Product Manager Hartmut Foerster in the announcement.

He said users benefit from lower hardware and distribution costs.