Then in 2005, Solid State Logic sold APT in a management buyout. On 23 December 1999, Solid State Logic was sold by Carlton Communications to 3i. In the early 1990s, APT's codecs were used to transfer audio via ISDN lines by companies such as Disney to check dubbing done in Europe. 1988, and became part of Carlton Communications plc. The company was bought by Solid State Logic ca. research at Queen's University Belfast School of Electronics, Electrical Engineering and Computer Science its design is based on time domain ADPCM principles without psychoacoustic auditory masking techniques.ĪptX audio coding was first introduced to the commercial market as a semiconductor product, a custom programmed DSP integrated circuit with part name APTX100ED, which was initially adopted by broadcast automation equipment manufacturers who required a means to store CD-quality audio on a computer hard disk drive for automatic playout during a radio show, for example, hence replacing the task of the disc jockey. The original aptX algorithm was developed in the 1980s by Dr. ( Learn how and when to remove this template message)ĪptX ( apt stands for audio processing technology ) is a family of open audio codec compression algorithms, with a heavy emphasis on wireless audio applications. ( June 2020) ( Learn how and when to remove this template message) Please help improve it to make it understandable to non-experts, without removing the technical details. This article may be too technical for most readers to understand.
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