STATIC ANALYSIS OF AUDIO SIGNALS FOR GENERATION OF DISCERNABLE FEEDBACK

• US 20130194082A1
• Filed: 03/17/2011
• Published: 08/01/2013
• Est. Priority Date: 03/17/2010
• Status: Abandoned Application

• Current Assignee: Bayer Intellectual Property GmbH (Bayer AG)
• Original Assignee: Bayer Intellectual Property GmbH (Bayer AG)
• Inventors: Polyakov, Ilya
• Application Number:
  US13/634,965
• Publication Number:
  US 20130194082A1
• Time in Patent Office: Days
• US Class Current: 340/384.5
• CPC Class Codes: G06F 3/01 Input arrangements or combined input and output arrangements for interaction between user and computer G06F3/16 takes precedence
• CPC Class Codes: G06F 3/016 Input arrangements with force or tactile feedback as computer generated output to the user

Abstract

Electroactive transducers as well as methods of producing a haptic effect in a user interface device simultaneously with a sound generated by a separately generated audio signal and electroactive polymer transducers for sensory feedback applications in user interface devices are disclosed.

Claims

1. A method of selectively producing a discernable effect in an electronic device that produces an audio output signal, the method comprising:

conditioning the audio sound signal using an analog circuit to generate an analog voltage corresponding to the audio sound signal;

converting the analog voltage to a digital value and recording the digital value over a period of time to build an array of recorded digital values;

analyzing at least a plurality of the recorded digital values to generate at least one control value;

selecting a triggering mode using the at least one control value, where the triggering mode is selected from a plurality of modes including a first and a second mode;

generating a triggering signal based on the triggering mode, where the triggering signal is unique to the triggering mode selected from the plurality of modes;

providing the triggering signal to a transducer that is coupled to the electronic device and is configured to generate the discernable effect.

2. The method according to claim 1, wherein analyzing at least the plurality of the recorded digital values to generate at least one control value comprises performing a statistical analysis on at least the plurality of recorded digital values.

3. The method according to claim 2, wherein the statistical analysis comprises calculating a mean, a standard deviation, and/or range of at least a plurality of the recorded digital values.

4. The method according to claim 3, wherein selecting the triggering mode comprises selecting the triggering mode based on the range divided by the standard deviation.

5. The method according to claim 1, wherein analyzing at least the plurality of the recorded digital values to generate at least one control value comprises analyzing a most recent digital value with the plurality of recorded digital values.

6. The method according to claim 1, wherein providing the triggering signal comprises converting at least one digital value to an analog voltage.

7. The method according to claim 1, wherein at least one of the plurality of modes comprises a pure trigger mode such that the triggering signal is selected from at least one stored waveform.

8. The method according to claim 1, wherein at least one of the plurality of modes comprises a mixed trigger mode such that the triggering signal is selected based on a first component selected from at least one stored waveform and a second component based on at least one digital value.

9. The method according to claim 1, wherein at least one of the plurality of modes comprises a pure audio mode such that the triggering signal is selected using at least one digital value.

10. The method according to claim 1, wherein the transducers comprises a transducer selected from an electroactive polymer transducer and a piezoelectric transducer.

11. A method of selectively varying output in a transducer that is coupled to an electronic device, where the electronic device produces an audio output signal, the method comprising:

conditioning the audio output sound signal to generate an analog voltage corresponding to the audio sound signal;

converting the analog voltage to a digital value;

analyzing at least a plurality of recorded digital values from an array of recorded digital values to generate at least one control value;

selecting a triggering mode using the at least one control value, where the triggering mode is selected from a plurality of modes including a first and a second mode;

generating a triggering signal based on the triggering mode, where the triggering signal is unique to the triggering mode selected from the plurality of modes; and

providing the triggering signal to a transducer that is coupled to the electronic device and is configured to generate the discernable effect.

12. The method according to claim 11, wherein analyzing at least the plurality of the recorded digital values to generate at least one control value comprises performing a statistical analysis on at least the plurality of recorded digital values.

13. The method according to claim 12, wherein the statistical analysis comprises calculating a mean, a standard deviation, and/or range of at least a plurality of the recorded digital values.

14. The method according to claim 13, wherein selecting the triggering mode comprises selecting the triggering mode based on the range divided by the standard deviation.

15. The method according to claim 11, wherein analyzing at least the plurality of the recorded digital values to generate at least one control value comprises analyzing a most recent digital value with the plurality of recorded digital values.

16. The method according to claim 11, wherein providing the triggering signal comprises converting at least one digital value to an analog voltage.

17. The method according to claim 11, wherein at least one of the plurality of modes comprises a pure trigger mode such that the triggering signal is selected from at least one stored waveform.

18. The method according to claim 11, wherein at least one of the plurality of modes comprises a mixed trigger mode such that the triggering signal is selected based on a first component selected from at least one stored waveform and a second component based on at least one digital value.

19. The method according to claim 11, wherein at least one of the plurality of modes comprises a pure audio mode such that the triggering signal is selected using at least one digital value.

20. The method according to claim 11, wherein a most recent digital value with the plurality of recorded digital values where at least one of the plurality of modes comprises a mixed trigger mode such that the triggering signal comprises a first component selected from at least one stored waveform and a second component based on at least one digital value.

21. The method according to claim 11, wherein the transducers comprises a transducer selected from an electroactive polymer transducer and a piezoelectric transducer.

22. A method of triggering a transducer in an electronic device that produces an audio output signal, the method comprising:

conditioning the audio sound signal using an analog circuit to generate a digital value corresponding the audio sound signal;

selecting a triggering mode by comparing the digital value to at least one recorded data value selected from an array of recorded data, where the triggering mode is selected from a plurality of modes; and

triggering the transducer using the triggering signal, where the triggering signal is unique to at least one of the plurality of modes.