DMX 15-80 Digital Delay Line
In 1978, AMS introduced the world's first microprocessor controlled, 15-bit digital delay line, the AMS DMX 15-80. One of the early users of the AMS DMX 15-80 was Manchester record producer Martin Hannett who would go on to own quite a few of the devices. By 1979, the DMX 15-80 was augmented with pitch changing capabilities.
The AMS DMX 15-80S - the stereo version of the DMX 15-80, with stereo inputs and outputs - was introduced in 1980. The delay is identical to the DMX 15-80, but with the addition of two input level controls to re-generation controls (one per channel).
In 1981 the DMX was upgraded to include the Loop Editing System, with which loops can be created and they are either run continuously or triggered for special effects and drop-ins. This paved way for the use of digital sampling. The DMX later included pitch changing and up to 32 seconds of delay.
RMX-16 Digital Reverb
In 1981, AMS released the RMX-16 digital reverberator. In addition to a range of reverb types, the RMX-16 had a program ("Non Lin 2") which digitally emulated the drum sound of a compressed and gated room microphone, copying the effect used on the Phil Collins recording In the Air Tonight. (Collins' drum sound was created by a combination of a room microphone compressed by the "Listen Mic" compressor of an early SSL Console, in combination with cutting off the reverb sound with a noise gate.)
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AudioFile
In 1984, AMS released the AudioFile, one of the first 16-bit hard disk based recording systems dedicated to post-production. The Audiofile saw considerable use in television post-production and was seen by dubbing mixers as a huge technological breakthrough. After decades of mixing on 16mm magnetic film stock, in which mix decisions were extremely difficult to undo, the ability to undo and make changes instantaneously provided dubbing mixers with new opportunities for experimentation in their work.
Logic 1 (Logic Series) Digital Console
In 1988, AMS released Logic 1, the first dynamically configurable, fully automated digital mixing console for professional applications. This was followed in 1990 by Logic 2, an expanded version of the Logic design in a large format console.