Methods and systems for controlling the volume of infotainment units of vehicles

• US 9,065,416 B2
• Filed: 06/18/2009
• Issued: 06/23/2015
• Est. Priority Date: 06/18/2009
• Status: Active Grant

• Current Assignee: GM Global Technology Operations LLC (General Motors Company)
• Original Assignee: GM Global Technology Operations LLC (General Motors Company)
• Inventors: McDonald, Mike M., Albertson, William C.
• Primary Examiner(s): Kwon, John
• Assistant Examiner(s): HOANG, JOHNNY H
• Application Number:
  US12/486,840
• Publication Number:
  US 20100324804A1
• Time in Patent Office: 2,196 Days
• Field of Search: 701112-114, 701/1, 701/36, 123/179.1, 123/179.2, 123/198.DB, 123/198.F, 381/57, 381/94.1, 381/86, 381/104, 381106-109
• US Class Current: 1/1
• CPC Class Codes: H03G 3/301 the gain being continuously variable
• CPC Class Codes: H03G 3/32 the control being dependent upon ambient noise level or sound level

Abstract

A method for controlling a volume of an infotainment unit of a vehicle having an engine having a stop/start capability during operation of the vehicle includes the steps of obtaining information pertaining to a condition of the engine, and controlling the volume based at least in part upon the condition.

Claims

1. A method for controlling a volume of an infotainment unit of a vehicle having an engine having a stop/start capability during operation of the vehicle, the method comprising the steps of:

obtaining information pertaining to a condition of the engine, wherein the condition of the engine comprises whether the engine is running, cranking, or turned off; and

controlling the volume based at least in part upon the condition of the engine, wherein if the engine is turned off or cranking, the condition of the engine further comprises whether the engine is in a process of an initial start versus a stop/start cranking event following the initial start and the volume is controlled differently if the engine is in the process of an initial start versus a stop/start cranking event following the initial start.

2. The method of claim 1, wherein the step of controlling the volume comprises the steps of:

providing no adjustment to the volume if the engine is turned off or cranking and the engine is in the process of the initial start;

providing a first level of increase to the volume if the engine is turned off and the engine is in the process of the stop/start event following the initial start;

providing a second level of increase to the volume if the engine is running; and

providing a third level of increase to the volume if the engine is cranking and the engine is in the process of the stop/start cranking event following the initial start.

3. The method of claim 2, wherein:

the first level of increase is equal to a first non-zero volume gain; and

the second level of increase is equal to a second non-zero volume gain that is greater than the first non-zero volume gain.

4. The method of claim 2, further comprising the steps of:

determining an amount of time after the engine has begun cranking during the stop/start event, if the engine is cranking and the engine is in the process of the stop/start event following the initial start; and

determining the third level of increase based at least in part on the amount of time.

5. The method of claim 3, wherein the third level of increase is equal to a third non-zero volume gain that is greater than the first non-zero volume gain and is greater than the second non-zero volume gain.

6. The method of claim 4, wherein:

the first level of increase is a first non-zero constant value;

the second level of increase is a second non-zero constant value that is greater than the first constant value; and

the third level of increase is a non-zero variable increase based on the amount of time.

7. The method of claim 4, wherein the step of determining the third level of increase comprises:

setting the third level of increase to be equal to a fourth level of increase if the amount of time is greater than a first predetermined threshold and less than a second predetermined threshold, the second predetermined threshold being greater than the first predetermined threshold;

setting the third level of increase to be equal to a fifth level of increase if the amount of time is greater than the second predetermined threshold and less than a third predetermined threshold, wherein the third predetermined threshold is greater than the second predetermined threshold; and

setting the third level of increase to be equal to the second level of increase if the amount of time is greater than the third predetermined threshold, wherein;

the fourth level of increase is greater than each of the first level of increase, the second level of increase, and the fifth level of increase; and

the fifth level of increase is greater than each of the first level of increase and the second level of increase.

8. A program product for controlling a volume of an infotainment unit of a vehicle having an engine having a stop/start capability during operation of the vehicle, the program product comprising:

a program configured to;

obtain information pertaining to a condition of the engine, wherein the condition of the engine comprises whether the engine is running, cranking, or turned off; and

control the volume based upon the condition of the engine;

wherein if the engine is turned off or cranking, the condition of the engine further comprises whether the engine is in a process of an initial start versus a stop/start cranking event following the initial start and the volume is controlled differently if the engine is in the process of an initial start versus a stop/start cranking event following the initial start; and

a non-transitory computer-readable signal-bearing media bearing the program.

9. The program product of claim 8, wherein the program is further configured to:

provide no adjustment to the volume if the engine is turned off or cranking and the engine is in the process of the initial start;

provide a first level of increase to the volume if the engine is turned off and the engine is in the process of the stop/start event following the initial start;

provide a second level of increase to the volume if the engine is running; and

provide a third level of increase to the volume if the engine is cranking and the engine is in the process of the stop/start cranking event following the initial start.

10. The program product of claim 9, wherein the program is further configured to:

determine an amount of time after the engine has begun cranking during the stop/start event, if the engine is cranking and the engine is in the process of the stop/start event following the initial start; and

determine the third level of increase based at least in part on the amount of time.

11. The program product of claim 9, wherein:

the first level of increase is equal to a first volume gain;

the second level of increase equal to a second volume gain that is greater than the first volume gain; and

the third level of increase is equal to a third non-zero volume gain that is greater than the first non-zero volume gain and is greater than the second non-zero volume gain.

12. A system for controlling a volume of an infotainment unit of a vehicle having an engine having a stop/start capability during operation of the vehicle, the system comprising:

one or more sensors configured to obtain information pertaining to a condition of the engine, wherein the condition of the engine comprises whether the engine is running, cranking, or turned off; and

a processor coupled to the one or more sensors and configured to control the volume based upon the condition of the engine;

wherein if the engine is turned off or cranking, the condition of the engine further comprises whether the engine is in a process of an initial start versus a stop/start cranking event following the initial start and the volume is controlled differently if the engine is in the process of an initial start versus a stop/start cranking event following the initial start.

13. The system of claim 12, wherein the processor is further configured to:

provide no adjustment to the volume if the engine is turned off or cranking and the engine is in the process of the initial start;

provide a first level of increase to the volume if the engine is turned off and the engine is in the process of the stop/start event following the initial start;

provide a second level of increase to the volume if the engine is running; and

provide a third level of increase to the volume if the engine is cranking and the engine is in the process of the stop/start cranking event following the initial start.

14. The system of claim 13, wherein:

the first level of increase is equal to a first non-zero volume gain; and

the second level of increase equal to a second non-zero volume gain that is greater than the first non-zero volume gain.

15. The system of claim 13, wherein the processor is further configured to:

determine an amount of time after the engine has begun cranking during the stop/start event, if the engine is cranking and the engine is in the process of the stop/start event following the initial start; and

determine the third level of increase based at least in part on the amount of time.

16. The system of claim 14, wherein the third level of increase is equal to a third non-zero volume gain that is greater than the first non-zero volume gain and is greater than the second non-zero volume gain.

17. The system of claim 15, wherein the processor is further configured to:

set the third level of increase to be equal to a fourth level of increase if the amount of time is greater than a first predetermined threshold and less than a second predetermined threshold, the second predetermined threshold being greater than the first predetermined threshold;

set the third level of increase to be equal to a fifth level of increase if the amount of time is greater than the second predetermined threshold and less than a third predetermined threshold, wherein the third predetermined threshold is greater than the second predetermined threshold; and

set the third level of increase to be equal to the second level of increase if the amount of time is greater than the third predetermined threshold, wherein;

the fourth level of increase is greater than each of the first level of increase, the second level of increase, and the fifth level of increase; and

the fifth level of increase is greater than each of the first level of increase and the second level of increase.