If dictating to the system via a microphone, the sound card is critical to success. Many sound card will get acceptable results. That is, they will get accuracy suitable for a person writing one or two pages per day. There are several cards which seem to be a cut above the rest. Unfortunately, some of these cards lack good Windows2000 support.
Value are essentially the same card.
Supported on all current Windows releases. Though technically not using a sound card, there is a USB device that produce outstanding results as well, particularly if you need to move from place to place within your documents for your dictation. A complete microphone, speaker, trackball with added buttons allowing an exceptional amount of automation. These are particularly suitable for laptops or other systems where you can not or your company does not allow you to open the system case. Andrea or Emkay or Telex Digital Audio Converter.