Granted Patent B2

US 10,277,345 · App. 15/880,588 · Granted Apr 30, 2019

Inventors: Viswanathan Iyer (Santa Clara, CA); Kartik Parija (Bangalore, IN); Andrew Cole (San Jose, CA)

Assignee: Adori Labs, Inc.

H04H60/66H03J1/0008H04B1/06H04H20/38H04H60/73

Abstract

Claims (59)

1. An audio system comprising:

one or more processors;

a receiver for receiving a broadcasted radio frequency (RF) carrier signal;

at least one memory storing computer-executable instructions which, when executed by the one or more processors, program the one or more processors to perform operations including:

demodulating a portion of the RF carrier signal to receive a demodulated output signal, wherein the demodulated output signal includes a demodulated audio program having embedded data;

extracting the embedded data from the demodulated audio program;

sending at least a portion of the extracted embedded data to another device; and

presenting information related to the extracted embedded data on a display associated with the audio system, wherein the information related to the extracted embedded data includes at least one of text, an image, or a network location.

2. The audio system as recited in claim 1 , the operations further comprising:

determining that the embedded data includes an image; and

converting a plurality of detected bits in the embedded data into a plurality of pixels of the image to present on the display.

3. The audio system as recited in claim 1 , wherein the audio system is included in a mobile device including the display, the operations further comprising presenting the information related to the extracted embedded data in a graphic user interface on the display of the mobile device with at least one user-interactive graphic element determined from the extracted embedded data.

4. The audio system as recited in claim 3 , wherein the at least one user-interactive graphic element determined from the extracted embedded data includes an incentive for user interaction or a link to an incentive for user interaction.

5. The audio system as recited in claim 1 , the operations further comprising:

decoding a portion of the embedded data following a synchronization point to determine a data type of the embedded data; and

based on determining the data type of the embedded data applying a selected decoding algorithm to decode the embedded data.

6. The audio system as recited in claim 1 , the operation of extracting the embedded data further comprising dividing an audio signal associated with the demodulated audio program into constituent frequency components.

7. The audio system as recited in claim 6 , the operation of extracting the embedded data by dividing the audio signal associated with the demodulated audio program into constituent frequency components further comprising:

determining frequency domain data of the audio signal from time domain data of the audio signal, the frequency domain data including information about phases of a plurality of sinusoidal components of the audio signal; and

extracting the embedded data based at least in part on determining phase angles of individual sinusoidal components of the plurality of sinusoidal components.

8. The audio system as recited in claim 1 , the operations further comprising sending at least the portion of the embedded data to a remote computing device configured to received extracted embedded data from a plurality of other devices that extracted the extracted embedded data independently.

9. A method comprising:

receiving a broadcasted radio frequency (RF) carrier signal;

demodulating, by one or more processors, a portion of the RF carrier signal to receive a demodulated output signal, wherein the demodulated output signal includes a demodulated audio program having embedded data;

extracting, by the one or more processors, the embedded data from the demodulated audio program; and

at least one of:

presenting information related to the embedded data on a display; or

sending at least a portion of the embedded data to another device.

10. The method as recited in claim 9 , further comprising:

determining that the embedded data includes an image; and

converting a plurality of detected bits in the embedded data into a plurality of pixels of the image.

11. The method as recited in claim 9 , wherein the audio system is included in a mobile device including the display, or is able to communicate with a mobile device including the display, the operations further comprising presenting the information related to the extracted embedded data in a graphic user interface on the display of the mobile device with at least one user-interactive feature determined from the extracted embedded data.

12. The method as recited in claim 9 , further comprising:

decoding a portion of the embedded data following a synchronization point to determine a data type of the embedded data; and

based on determining the data type of the embedded data applying a selected decoding algorithm to decode the embedded data.

13. The method as recited in claim 9 , wherein extracting the embedded data further comprises dividing an audio signal associated with the demodulated audio program into constituent frequency components.

14. The method as recited in claim 13 , wherein extracting the embedded data by dividing the audio signal associated with the demodulated audio program into constituent frequency components further comprises:

determining frequency domain data of the audio signal from time domain data of the audio signal, the frequency domain data including information about phases of a plurality of sinusoidal components of the audio signal; and

extracting the embedded data based at least in part on determining phase angles of individual sinusoidal components of the plurality of sinusoidal components.

15. An audio system comprising:

one or more processors;

a receiver for receiving a broadcasted radio frequency (RF) carrier signal;

at least one memory storing computer-executable instructions which, when executed by the one or more processors, program the one or more processors to perform operations including:

demodulating a portion of the RF carrier signal to receive a demodulated output signal, wherein the demodulated output signal includes a demodulated audio program having embedded data;

extracting the embedded data from the demodulated audio program; and

at least one of:

presenting information related to the embedded data on a display; or

sending at least a portion of the embedded data to another device.

16. The audio system as recited in claim 15 , the operations further comprising:

determining that the embedded data includes an image; and

converting a plurality of detected bits in the embedded data into a plurality of pixels of the image.

17. The audio system as recited in claim 15 , wherein the audio system is included in a mobile device including the display, or is able to communicate with a mobile device including the display, the operations further comprising presenting the information related to the extracted embedded data in a graphic user interface on the display of the mobile device with at least one user-interactive feature determined from the extracted embedded data.

18. The audio system as recited in claim 15 , the operations further comprising:

decoding a portion of the embedded data following a synchronization point to determine a data type of the embedded data; and

based on determining the data type of the embedded data applying a selected decoding algorithm to decode the embedded data.

19. The audio system as recited in claim 15 , the operation of extracting the embedded data further comprising dividing an audio signal associated with the demodulated audio program into constituent frequency components.

20. The audio system as recited in claim 19 , the operation of extracting the embedded data by dividing the audio signal associated with the demodulated audio program into constituent frequency components further comprising:

determining frequency domain data of the audio signal from time domain data of the audio signal, the frequency domain data including information about phases of a plurality of sinusoidal components of the audio signal; and

extracting the embedded data based at least in part on determining phase angles of individual sinusoidal components of the plurality of sinusoidal components.

Assignments (2)

Continuity (8)