A Dynamic Microphone Soundcard Amplifier

"A good tutorial on interfacing microphones to soundcards." This was the brief description preceding Paul Loewenstein's article in the original edition of audioXpress. We think that's more to it. The author describes a microphone amplifier designed to interface a standard dynamic microphone to a soundcard or other computer microphone input with a 5V through 2.2kΩ bias to the microphone connector ring. This article was originally published in audioXpress, February 2008.

Austrian company Speech Processing Solutions, a Philips subsidiary, has announced a new audio recorder, which expands the company's tradition with voice recording also as a recording device for music enthusiasts. The Philips VoiceTracer audio recorder DVT7500 has been specially developed for high quality recordings, combining three high-quality microphones, an XLR and line-in connector, as well as 16GB of internal storage space. And of course, it still supports the company's famous voice to text applications.

Nuance Communications announced its new suite of Dragon professional productivity solutions for PC and Mac that leverage Nuance Deep Learning technology to deliver upwards of 24 percent greater accuracy driving new levels of documentation productivity for professionals. The new Dragon releases include Dragon Professional Individual, version 15; Dragon Legal Individual, version 15; and, Dragon Professional Individual for Mac, version 6, and feature powerful dictation, transcription and customization capabilities.