Audio Quartet From Pro Tech Debuts.

Pro Tech Communications, Inc., a subsidiary of NCT Group, Inc., recently introduced four new products: a headset, multimedia amplifier, USB (Universal Serial Bus) audio interface and DSP (Digital Signal Processor) microphone. Pro Tech's Apollo headset, a one-piece ABS plastic structure, features a patented quick-disconnect cable for easier headset release and includes a high-end, noise-canceling microphone for improved audio clarity. The Gemini multimedia amplifier is designed for telephones and PCs enabling voice over IP applications, and features top-mounted volume controls, patented gating and suppression circuitry, VOX control, dual mute switches and headset jacks. The USB audio interface offers a direct audio port (eliminating the need for a sound card), has a direct digital input with volume control and recording capabilities, and is compatible with existing headsets, The DSP intelligent microphone provides speech recognition, voice control, dictation and other features of high signal clarity through p roprietary algorithms and acoustic design, and output levels can be matched to the required input levels.