Vehicular indicator audio controlling

• US 20070188308A1
• Filed: 02/14/2006
• Published: 08/16/2007
• Est. Priority Date: 02/14/2006
• Status: Abandoned Application

• Current Assignee: Bose Corporation
• Original Assignee: Bose Corporation
• Inventors: Lavoie, Bruce
• Application Number:
  US11/353,646
• Publication Number:
  US 20070188308A1
• Time in Patent Office: Days
• US Class Current: 340/425.500
• CPC Class Codes: G01H 3/12 by electric means G01H3/14 takes precedence
• CPC Class Codes: H03G 3/32 the control being dependent upon ambient noise level or sound level

Abstract

A vehicle audio system including an assessor to assess the acoustic energy impacting the operator of the vehicle, and indicator audio signal source and an indicator audio controller to determine modifications to the indicator audio signal with respect to the assessment of the acoustic energy.

Claims

1. A method for processing indicator audio signals in a vehicle cabin comprising

assessing the acoustic energy present in the vehicle cabin to provide an acoustic energy assessment;

generating an indicator audio signal;

responsive to the acoustic energy assessment, modifying the indicator audio signal; and

;

transducing the modified indicator audio signal into indicator audio audible to the vehicle operator.

2. A method for processing indicator audio signals according to claim 1, wherein the assessing comprises measuring the acoustic energy.

3. A method for processing indicator audio signals according to claim 2, wherein the measuring the acoustic energy comprises measuring the acoustic energy using a microphone.

4. A method for processing indicator audio signals according to claim 3, wherein the assessing comprises altering the assessment to reduce the effect of the indicator audio.

5. A method for processing indicator audio signals according to claim 3, wherein altering the assessment comprises filtering the output of the microphone.

6. A method for processing indicator audio signals according to claim 1, wherein the assessing comprises monitoring audio signals generated by an entertainment system.

7. A method for processing indicator audio signals according to claim 1, wherein the assessing comprises estimating the acoustic energy expected to be present based on a measurable vehicle condition.

8. A method for processing indicator audio signals according to claim 7, wherein the measurable vehicle condition comprises at least one condition selected from a group consisting of

road speed,

engine speed,

transmission gear,

road surface quality,

tire pressure,

window position,

convertible roof position,

windshield wiper speed,

climate control settings, and

ventilation fan speed.

9. A method for processing indicator audio signals according to claim 1, wherein the assessing the acoustic energy includes estimating the acoustic energy expected to be present using at least one of a group of parameters consisting of the size of the vehicle cabin;

the shape of the vehicle cabin;

the passenger capacity of the vehicle cabin; and

whether an occupant of the vehicle cabin is wearing a helmet.

10. A method for processing indicator audio signals according to claim 1, wherein the generating an indicator audio signal is in response to at least one of a group of conditions consisting of

a turn signal is active;

a seat belt is not fastened;

headlights are on;

a door is ajar;

radar radiation detected;

fuel is low;

engine temperature is outside the proper range;

tire pressure is outside the proper range;

a curb or obstruction is near;

a vehicle warning light is activated; and

vehicle is out of lane.

11. A method for processing indicator audio signals according to claim 1, wherein the generating the indicator audio signal is performed by a navigation system.

12. A method for processing indicator audio signals according to claim 1, wherein the generating the indicator audio signal is performed by a remote communication device.

13. A method for processing indicator audio signals according to claim 1, wherein generating the indicator audio signal is performed by a hands-free telephone.

14. A method for processing indicator audio signals according to claim 1, wherein the modifying the indicator audio signal includes amplifying.

15. A method for processing indicator audio signals according to claim 1, wherein the modifying the indicator audio signal includes compressing the dynamic range.

16. A method for processing indicator audio signals according to claim 1, wherein the vehicle is a motorcycle.

17. An apparatus for processing indicator audio signals in a vehicle comprising

an assessor to provide an assessment of the acoustic energy present in a vehicle cabin;

an indicator audio signal source; and

an indicator audio controller coupled to the assessor to determine, responsive to the assessment, modifications of an indicator audio signal.

18. An apparatus for processing indicator audio signals according to claim 17, further comprising a signal modifier to modify the indicator audio signal responsive to the assessor.

19. An apparatus for processing indicator audio signals according to claim 18, wherein the signal modifier comprises an audio amplifier.

20. An apparatus for processing indicator audio signals according to claim 18, wherein the signal modifier comprises a compressor.

21. An apparatus for processing indicator audio signals according to claim 18, further comprising a transducer to convert a modified indicator audio signal into acoustic energy audible to a vehicle operator.

22. An apparatus for processing indicator audio signals according to claim 21, wherein the transducer is located inside a helmet constructed and arranged to be worn by a vehicle operator.

23. An apparatus for processing indicator audio signals according to claim 17, wherein the assessor comprises a microphone.

24. An apparatus for processing indicator audio signals according to claim 17, wherein the assessor is communicatingly coupled to the indicator audio signal source.

25. An apparatus for processing indicator audio signals according to claim 23, further comprising a filter to modify the output of the microphone.

26. An apparatus for processing indicator audio signals according to claim 25, wherein the filter is a low-pass filter.

27. An apparatus for processing indicator audio signals according to claim 25, wherein the filter is a smoothing filter.

28. An apparatus for processing indicator audio signals according to claim 17, wherein the vehicle includes an entertainment system and the assessor is constructed and arranged to receive a measurement of the amplitude of the signal being transmitted from the entertainment system to a transducer.

29. An apparatus for processing indicator audio signals to claim 17, wherein the vehicle further comprises apparatus for determining at least one of

road speed,

engine speed,

transmission gear,

road surface quality,

tire pressure,

window position,

convertible roof position,

windshield wiper speed,

climate control settings, and

ventilation fan speed.

30. An apparatus for processing indicator audio signals according to claim 29, wherein

the assessor comprises a processor and a memory;

the memory contains data including a conversion table of sensor types and conversion algorithms; and

the processor is constructed and arranged to execute the algorithm associated with the sensor in the conversion table.

31. An apparatus for processing indicator audio signals according to claim 17, wherein the assessor includes a smoothing filter.

32. An apparatus for processing indicator audio signals according to claim 31, wherein the smoothing filter is a low-pass filter.

33. An apparatus for processing indicator audio signals according to claim 31, wherein the smoothing filter is constructed and arranged to be reconfigured dynamically.

34. An apparatus for processing indicator audio signals according to claim 17, wherein the indicator audio signals are generated in response to at least one of

a turn signal is active;

a seat belt is not fastened;

headlights are on;

a door is ajar;

radar radiation detected;

fuel is low;

engine temperature is outside the proper range;

tire pressure is outside the proper range;

a curb or obstruction is near; and

vehicle is out of lane.

35. An apparatus for processing indicator audio signals according to claim 17, wherein the indicator audio signal source is external to the apparatus.

36. An apparatus for processing indicator audio signals according to claim 35, wherein the indicator audio signal source is a navigation system.

37. An apparatus for processing indicator audio signals according to claim 35, wherein the indicator audio signal source is a remote communication device.

38. An apparatus for processing indicator audio signals according to claim 35, wherein the indicator audio signal source is a hands-free telephone.

39. An apparatus for processing indicator audio signals according to claim 17, wherein the vehicle is a motorcycle.