Trading in semiconductor intellectual property since 1989, APTX [formerly known as Audio Processing Technology - APT] provides industry-leading audio compression solutions to the broadcast, professional audio, and consumer electronics industries.

The company’s apt-X audio codec technology has earned a reputation throughout the audio industry as the ultimate high-quality, low-delay audio data compression algorithm available.

Today, apt-X technology is licensed for use in broadcast audio codec hardware, professional audio systems, and consumer electronics devices, including portable media players and mobile phones, Bluetooth stereo headsets, and wireless microphones.

Headquartered in Belfast, Northern Ireland, APTX also has direct sales offices in the USA, Japan and Korea.