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The presently claimed invention relate generally to portable audio devices. One claim recites a method including: receiving audio content data through an interface of a portable personal digital device capable of playing audio; storing the received audio content data in electronic memory; audibly re

The presently claimed invention relate generally to portable audio devices. One claim recites a method including: receiving audio content data through an interface of a portable personal digital device capable of playing audio; storing the received audio content data in electronic memory; audibly rendering said audio content data; utilizing an electronic processor, counting a number of plays of the received audio content data; and displaying the number of plays of the received audio content data to a user of the portable personal digital device. Of course additional claims and combination are provided as well.

대표청구항 ▼

1. A device comprising: an interface configured to receive audio content data;data storage configured to store the received audio content data;a processor configured to: decode a digital object identifier from the received audio content by cyclically applying different digital watermark decoding tec

1. A device comprising: an interface configured to receive audio content data;data storage configured to store the received audio content data;a processor configured to: decode a digital object identifier from the received audio content by cyclically applying different digital watermark decoding techniques until a decoding technique that produces valid data is obtained;play the received audio content data; andcount a number of plays of the received audio content data; anda display configured to display the number of plays of the received audio content data. 2. The device of claim 1, wherein the processor is further configured to utilize the digital object identifier for tracking the number of plays of the received audio content. 3. The device of claim 1, wherein the device comprises a portable personal digital device. 4. The device of claim 1, wherein the processor is further configured to: determine a number of permitted plays of the audio content by reference to information stored in association with the digital object identifier; andgovern playback of the audio content in accordance with the determined number of permitted plays. 5. The device of claim 1, wherein the digital object identifier comprises an identifier corresponding to a standardized digital object number system of the International Digital Object Identifier Foundation. 6. The device of claim 1, wherein the processor is further configured to determine validity of data produced by the different digital watermark decoding techniques with reference to a checksum. 7. A method comprising: receiving audio content data through an interface of a device configured to render audio data;storing the received audio content data in electronic memory;decoding a digital object identifier from the received audio content, wherein the decoding comprises cyclically applying different digital watermark decoding techniques until a decoding technique that produces valid data is obtained;audibly rendering the audio content data;counting, via a processor, a number of plays of the received audio content data; anddisplaying the number of plays of the received audio content data via a display. 8. The method of claim 7, further comprising: by reference to information stored in association with the digital object identifier, determining a number of permitted plays of the audio content; andgoverning playback of the audio content in accordance with the determined number of permitted plays. 9. The method of claim 7, wherein the device comprises the electronic memory, the processor, and the display. 10. The method of claim 7, wherein the digital object identifier comprises an identifier corresponding to a standardized digital object number system of the International Digital Object Identifier Foundation. 11. The method of claim 7, further comprising determining validity of data produced by the different digital watermark decoding techniques with reference to a checksum. 12. The method of claim 7, further comprising utilizing the obtained decoding technique until the obtained decoding technique produces invalid data. 13. The method of claim 7, wherein the counting is based at least on the digital object identifier. 14. An article of manufacture including a non-transitory computer-readable medium having instructions stored thereon that, upon execution by a computing device, cause the computing device to perform operations comprising: receiving audio content data through an interface;storing the audio content data;decoding a digital object identifier from the received audio content, wherein the decoding comprises cyclically applying different digital watermark decoding techniques until a decoding technique that produces valid data is obtained;audibly rendering the audio content data;counting a number of plays of the audio content data; anddisplaying the number of plays of the audio content data. 15. The article of manufacture of claim 14, wherein the counting the number of plays is based at least on the digital object identifier. 16. The article of manufacture of claim 14, wherein the instructions, upon execution by the computing device, are further configured to cause the computing device to perform operations comprising: by reference to information stored in association with the digital object identifier, determining a number of permitted plays of the audio content; andgoverning playback of the audio content in accordance with the determined number of permitted plays. 17. The article of manufacture of claim 14, wherein the digital object identifier comprises an identifier corresponding to a standardized digital object number system of the International Digital Object Identifier Foundation. 18. The article of manufacture of claim 14, wherein the operations further comprise determining validity of data produced by the different digital watermark decoding techniques with reference to a checksum. 19. A non-transitory computer-readable medium having instructions stored thereon, the instructions comprising: instructions for receiving audio content data through an interface;instructions for storing the audio content data;instructions for decoding a digital object identifier from the received audio content, wherein the instructions for decoding the digital object comprises instructions for cyclically applying different digital watermark decoding techniques until a decoding technique that produces valid data is obtained;instructions for audibly rendering the audio content data;instructions for counting a number of plays of the audio content data; andinstructions for displaying the number of plays of the audio content data. 20. The non-transitory computer-readable medium of claim 19, wherein the instructions for counting the number of plays are based at least on the digital object identifier. 21. The non-transitory computer-readable medium of claim 19, further comprising: instructions for determining a number of permitted plays of the audio content by reference to information stored in association with the digital object identifier; andinstructions for governing playback of the audio content in accordance with the determined number of permitted plays. 22. The non-transitory computer-readable medium of claim 19, wherein the digital object identifier comprises an identifier corresponding to a standardized digital object number system of the International Digital Object Identifier Foundation. 23. The non-transitory computer-readable medium of claim 19, further comprising instructions for determining validity of data produced by the different digital watermark decoding techniques with reference to a checksum. 24. A device comprising: means for receiving audio content data using a processor;means for storing the received audio content data using a processor;means for decoding a digital object identifier from the received audio content by cyclically applying different digital watermark decoding techniques until a decoding technique that produces valid data is obtained;means for audibly rendering said received audio content data;means for counting a number of plays of the received audio content data; andmeans for displaying the number of plays of the received audio content data. 25. The device of claim 24, wherein the means for counting utilizes the digital object identifier. 26. The device of claim 24, wherein the digital object identifier comprises an identifier corresponding to a standardized digital object number system of the International Digital Object Identifier Foundation. 27. The device of claim 24, further comprising means for determining validity of data produced by the different digital watermark decoding techniques with reference to a checksum.