Configuring an audio interface for different microphone types

Details Configuring an audio interface for different microphone types Configuring an audio interface for different microphone types

1997-10-29

1999-08-24

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

704231, 381111, G10L 300, G10L 700

Patent

active

059436492

ABSTRACT:
A method for configuring an audio interface for a speech recognition application in a computer system comprises the steps of: (a) identifying at least one sound card present in the computer system capable of supporting speech; (b) displaying a at least one graphical user interface (GUI) prompting a user selection and connection of a microphone as an audio input device to the at least one sound card; (c) in the event the selected microphone is of an electret type and the selected sound card is of a type having a high gain range, displaying a second GUI prompting the user to connect a signal strength attenuator in series with the microphone, the microphone and the attenuator together having an operating characteristic corresponding to a dynamic microphone; (d) in the event the selected microphone is of a dynamic type, omitting step (c); and, (e) testing the connected microphone without regard to whether the connected microphone is of the electret or dynamic type.

REFERENCES:
patent: 5519641 (1996-05-01), Beers et al.
patent: 5630175 (1997-05-01), Gajewski et al.
patent: 5715369 (1998-02-01), Spoltman et al.
patent: 5822718 (1998-10-01), Bakis et al.

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