Dynamic tuning of hands-free algorithm for noise and driving conditions

• US 20050187763A1
• Filed: 02/23/2004
• Published: 08/25/2005
• Est. Priority Date: 02/23/2004
• Status: Active Grant

• Current Assignee: General Motors LLC (General Motors Company)
• Original Assignee: General Motors Corporation (General Motors Company)
• Inventors: Arun, Uma
• Granted Patent: US 7,634,095 B2
• Time in Patent Office: Days
• US Class Current: 704/226
• CPC Class Codes: B60R 2325/205 Mobile phones
• CPC Class Codes: G10L 15/20 Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech G10L21/02 takes precedence
• CPC Class Codes: G10L 21/0208 Noise filtering
• CPC Class Codes: H04M 1/6075 adapted for handsfree use in a vehicle H04M1/6058 takes precedence; arrangements for holding telephones in a vehicle B60R11/0241

Abstract

A method of tuning a hands-free system in a mobile vehicle, the method including receiving a plurality of vehicle condition inputs, creating a noise parameter based on the vehicle condition inputs and adjusting a noise suppression algorithm of the hands-free system based on the created noise parameter.

Claims

1. A method of tuning a hands-free system in a mobile vehicle, the method comprising:

receiving a plurality of vehicle condition inputs;

creating a noise parameter based on the vehicle condition inputs; and

adjusting a noise suppression algorithm of the hands-free system based on the created noise parameter.

2. The method of claim 1 wherein receiving a plurality of vehicle condition inputs comprises:

sensing an external vehicle condition; and

transmitting the sensed external vehicle condition to the hands-free system.

3. The method of claim 1 wherein receiving a plurality of vehicle condition inputs comprises:

sensing a plurality of external vehicle conditions;

combining the external vehicle conditions; and

transmitting the combined external vehicle conditions to the hands-free system.

4. The method of claim 1 wherein receiving a plurality of vehicle condition inputs comprises:

sensing a plurality of external vehicle conditions;

transmitting each of the plurality of external vehicle conditions to the bands-free system; and

combining the received external vehicle conditions.

5. The method of claim 1 wherein receiving a plurality of vehicle condition inputs comprises:

sensing an internal vehicle condition; and

transmitting the sensed internal vehicle condition to the hands-free system.

6. The method of claim 1 wherein receiving a plurality of vehicle condition inputs comprises:

sensing a plurality of internal vehicle conditions;

combining the internal vehicle conditions; and

transmitting the combined internal vehicle conditions to the hands-free system.

7. The method of claim 1 wherein receiving a plurality of vehicle condition inputs comprises:

sensing a plurality of internal vehicle conditions;

transmitting each of the plurality of internal vehicle conditions to the hands-free system; and

combining the received internal vehicle conditions.

8. The method of claim 1 wherein adjusting a noise suppression algorithm of the hands-free system based on the created noise parameter comprises:

combining the created noise parameter with an ambient noise parameter of the noise suppression algorithm; and

modifying the noise suppression algorithm based on the combined parameters.

9. The method of claim 1 wherein the vehicle condition inputs comprise one or more input from the list consisting of external vehicle climate control input from a climate control unit, road-type input for road vehicle is traveling input based on vehicle global positioning coordinates input, vehicle audio-device input, vehicle engine input from an engine, vehicle speed input and combinations thereof.

10. A system for tuning a hands tree system in a telematics unit, comprising:

means for receiving a plurality of vehicle condition inputs;

means for creating a noise parameter based on the vehicle condition inputs; and

means for adjusting a noise suppression algorithm of the hands-free system based on the created noise parameter.

11. The system of claim 10, further comprising:

means for sensing at plurality of external vehicle conditions;

means for transmitting each of the plurality of external vehicle conditions to the hands-free system; and

means for combining the received external vehicle conditions.

12. A computer readable medium storing a computer program comprising:

computer readable code for receiving a plurality of vehicle condition inputs;

computer readable code for creating a noise parameter based on the vehicle condition inputs; and

computer readable code for adjusting a noise suppression algorithm of the hands-free system based on the created noise parameter.

13. The medium of claim 12 wherein receiving a plurality of vehicle condition inputs comprises:

computer readable code for sensing an external vehicle condition; and

computer readable code for transmitting The sensed external vehicle condition to the hands-free system.

14. The medium of claim 12 wherein receiving a plurality of vehicle condition inputs comprises:

computer readable code for sensing a plurality of external vehicle conditions;

computer readable code for combining the external vehicle conditions; and

computer readable code for transmitting the combined external vehicle conditions to the hands-free system.

15. The medium of claim 12 wherein receiving a plurality of vehicle condition inputs comprises:

computer readable code for sensing a plurality of external vehicle conditions;

computer readable code for transmitting each of the plurality of external vehicle conditions to the hands-free system; and

computer readable code for combining the received external vehicle conditions.

16. The medium of claim 12 wherein receiving a plurality of vehicle condition inputs comprises:

computer readable code for sensing an internal vehicle condition; and

computer readable code for transmitting the sensed internal vehicle condition to the hands-free system.

17. The medium of claim 12 wherein receiving a plurality of vehicle condition inputs comprises:

computer readable code for sensing a plurality of internal vehicle conditions;

computer readable code for combining the internal vehicle conditions; and

computer readable code for transmitting the combined internal vehicle conditions to the hands-free system.

18. The medium of claim 12 wherein receiving a plurality of vehicle condition inputs comprises:

computer readable code for sensing a plurality of internal vehicle conditions;

computer readable code for transmitting each of the plurality of internal vehicle conditions to the hands-free system; and

computer readable code for combining the received internal vehicle conditions.

19. The medium of claim 12 wherein adjusting a noise suppression algorithm of the hands-free system based on the created noise parameter comprises:

computer readable code for combining the created noise parameter with an ambient noise parameter of the noise suppression algorithm; and

computer readable code for modifying the noise suppression algorithm based on The combined parameters.

20. (canceled)

21. A method of tuning a hands-free system in a mobile vehicle, the method comprising:

receiving a plurality of vehicle condition inputs via a vehicle communication bus;

creating a noise parameter based on the vehicle condition inputs; and

adjusting a noise suppression algorithm of the hands-free system based on the created noise parameter.

22. The method of claim 21 wherein the plurality of vehicle condition inputs includes a road input based on global positioning coordinates.

23. The method of claim 21 wherein the plurality of vehicle condition inputs includes an external vehicle climate input based on the weather outside the vehicle.

24. The method of claim 21 wherein the plurality of vehicle condition inputs includes an audio-device input based on the type and intensity level of ambient noise.