Systems and methods for adaptive tuning based on adjustable enclosure volumes

1. A method for audio processing, including:

determining a physical quantity indicative of a variable acoustic volume, wherein an acoustic output of a speaker is directed inwardly into the variable acoustic volume and configured to generate sound inside the variable acoustic volume, and wherein the variable acoustic volume is partially enclosed by structural members of an information handling system that comprises the speaker;

applying an adaptive audio response to an audio input signal to generate an audio output signal, wherein the adaptive audio response is a function of the physical quantity; and

causing the speaker to generate sound inside the variable acoustic volume based on the audio input signal and the adaptive audio response.

2. The method of claim 1 , wherein the physical quantity comprises an angle associated with the variable acoustic volume.

3. The method of claim 2 , wherein the angle comprises an angle between a structural member of the information handling system and a surface upon which the information handling system rests.

4. The method of claim 2 , wherein the angle comprises an angle between two structural members of the information handling system.

5. The method of claim 1 , wherein determining the physical quantity comprises determining the physical quantity based on at least one sensor of the information handling system.

6. The method of claim 5 , wherein the at least one sensor comprises a gyroscope, and/or an accelerometer, and/or a magnetometer.

7. The method of claim 1 , further comprising generating the adaptive audio response based on the physical quantity such that an overall response of an audio signal path comprising the adaptive audio response, a response of an electroacoustical path through the speaker, and a response of the variable acoustic volume is approximately equal to a desired overall response.

8. A system comprising:

an audio input for receiving an audio input signal for reproduction at a speaker of an information handling system;

a sensor input for receiving at least one sensor signal indicative of a physical quantity indicative of a variable acoustic volume, wherein an acoustic output of the speaker is directed inwardly into the variable acoustic volume and configured to generate sound inside the variable acoustic volume, and wherein the variable acoustic volume is partially enclosed by structural members of the information handling system;

an output for generating an audio output signal to the speaker; and

a processor configured to apply an adaptive audio response to the audio input signal to generate the audio output signal, wherein the adaptive audio response is a function of the physical quantity.

9. The system of claim 8 , wherein the physical quantity comprises an angle associated with the variable acoustic volume.

10. The system of claim 9 , wherein the angle comprises an angle between a structural member of the information handling system and a surface upon which the information handling system rests.

11. The system of claim 9 , wherein the angle comprises an angle between two structural members of the information handling system.

12. The system of claim 8 , wherein the at least one sensor signal comprises a signal from a gyroscope, and/or an accelerometer, and/or a magnetometer.

13. The system of claim 8 , wherein the processor is further configured to generate the adaptive audio response based on the physical quantity such that an overall response of an audio signal path comprising the adaptive audio response, a response of an electroacoustical path through the speaker, and a response of the variable acoustic volume is approximately equal to a desired overall response.

14. An article of manufacture, comprising;

a non-transitory computer readable medium; and

computer-executable instructions carried on the computer readable medium, the instructions readable by a processor, the instructions, when read and executed, for causing the processor to:

determine a physical quantity indicative of a variable acoustic volume, wherein an acoustic output of a speaker is directed inwardly into the variable acoustic volume and configured to generate sound inside the variable acoustic volume, and wherein the variable acoustic volume is partially enclosed by structural members of an information handling system that comprises the speaker;

apply an adaptive audio response to an audio input signal to generate an audio output signal, wherein the adaptive audio response is a function of the physical quantity; and

cause the speaker to generate sound inside the variable acoustic volume based on the audio output signal.

15. The article of claim 14 , wherein the physical quantity comprises an angle associated with the variable acoustic volume.

16. The article of claim 15 , wherein the angle comprises an angle between a structural member of the information handling system and a surface upon which the information handling system rests.

17. The article of claim 15 , wherein the angle comprises an angle between two structural members of the information handling system.

18. The article of claim 14 , wherein determining the physical quantity comprises determining the physical quantity based on at least one sensor of the information handling system.

19. The article of claim 18 , wherein the at least one sensor comprises a gyroscope, and/or an accelerometer, and/or a magnetometer.

20. The article of claim 14 , the instructions for further causing the processor to generate the adaptive audio response based on the physical quantity such that an overall response of an audio signal path comprising the adaptive audio response, a response of an electroacoustical path through the speaker, and a response of the variable acoustic volume is approximately equal to a desired overall response.