Method of adapting processing parameters in a call processing system
First Claim
Patent Images
1. A method of processing audio signals which contain speech and tones in a voice processing system (VPS), said method comprising the steps of:
- detecting an initial tone entered by a user of said VPS;
analyzing detection characteristics associated with said initial tone;
determining expected detection characteristics of signals received subsequent to said step of analyzing based upon said detection characteristics present in said initial tone; and
establishing processing parameters for subsequently received signals based upon said expected detection characteristics.
3 Assignments
0 Petitions
Accused Products
Abstract
A method and apparatus for utilizing DTMF tones and supervisory tones in a call processing system to adjust parameters for future tones and/or speech. The tones initially received are analyzed to determine characteristics such as signal-to-noise ratio, twist, signal level, etc. Processing parameters for future tones and speech are adjusted based upon the characteristics of a first tone.
-
Citations
18 Claims
-
1. A method of processing audio signals which contain speech and tones in a voice processing system (VPS), said method comprising the steps of:
-
detecting an initial tone entered by a user of said VPS; analyzing detection characteristics associated with said initial tone; determining expected detection characteristics of signals received subsequent to said step of analyzing based upon said detection characteristics present in said initial tone; and establishing processing parameters for subsequently received signals based upon said expected detection characteristics. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. Apparatus for processing audio signals in a voice processing system (VPS), said apparatus comprising:
-
means for detecting an initial tone entered by a user of said VPS; means for analyzing detection characteristics associated with said tone; means responsive to said analyzing means for determining expected detection characteristics of signal receive subsequent to said initial tone based upon detection characteristics present in said initial tone; and means for establishing processing parameters for subsequently received signals based upon said expected detection characteristics. - View Dependent Claims (8, 9, 10, 11, 12)
-
-
13. Apparatus for altering gain to be applied to an incoming audio signal in a voice processing system (VPS), said apparatus comprising:
-
means for determining energy level in an initial tone entered by a user of said VPS; and means for altering the gain to be applied to said audio signal based upon said energy level for a predetermined initial time period and for altering the gain to be applied to said audio signal based upon a parameter other than said energy level subsequent to said time period. - View Dependent Claims (14, 15)
-
-
16. A method of altering gain to be applied to an incoming audio signal in a voice processing system (VPS), said method comprising the steps of:
-
determining energy level in an initial tone entered by a user of said VPS; and altering the gain to be applied to an audio signal based upon said energy level only for a predetermined initial time period. - View Dependent Claims (17, 18)
-
Specification