[특허]Wireless methods and devices employing plural-bit data derived from audio information

Wireless methods and devices employing plural-bit data derived from audio information 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04J-003/12
출원번호	US-0777524 (2010-05-11)
등록번호	US-8369363 (2013-02-05)
발명자 / 주소	Rhoads, Geoffrey B.
출원인 / 주소	Digimarc Corporation
인용정보	피인용 횟수 : 0 인용 특허 : 122

초록 ▼

A portable wireless device includes a processor portion, which is adapted to process audio information in two different ways, for two different purposes. One is to help generate a signal that drives a speaker of the device, so that a user can listen thereto. Another is to process audio information to derive plural-bit data therefrom. The device can then take an action based on the derived plural-bit data. In one particular arrangement, the processor is configured as a steganographic decoder. A variety of other features and arrangements are also detailed, including image-based methods, and arrangements employing various types of fingerprinting.

대표청구항 ▼

1. A method comprising: processing audio information, using a processor of a device, to help generate a signal that drives an audio transducer of the device;providing auditory output, using the audio transducer of the device;deriving plural-bit data from the audio information by applying an algorithm to the audio information; andtaking, using the processor, an action based on the derived plural-bit data. 2. The method of claim 1, wherein deriving the plural-bit data comprises referencing pseudo-random key information. 3. The method of claim 1, further comprising filtering the audio information before deriving the plural-bit data. 4. The method of claim 1, further comprising performing a mean-removal operation on the audio information before deriving the plural-bit data. 5. The method of claim 1, wherein the deriving the plural-bit data comprises performing a matches filtering operation. 6. The method of claim 1, wherein the deriving the plural-bit data comprises performing a correlation operation. 7. The method of claim 1, wherein the deriving the plural-bit data comprises determining a correct alignment of the audio information before deriving the plural-bit data. 8. The method of claim 1, further comprising receiving the audio information from a data channel on which it is sent in the form of packets. 9. The method of claim 1, wherein the action comprises controlling an aspect of an operation of the device based on the derived plural-bit data. 10. The method of claim 1, wherein the deriving the plural-bit data comprises decoding plural-bit data steganographically encoded in digital information wirelessly received by the device. 11. The method of claim 1, wherein the deriving the plural-bit data comprises deciding plural-bit data steganographically encoded in digital audio information processed by the device. 12. A device comprising: a transducer configured to output audio;a processor configured to: process audio information to help generate a signal that drives the transducer;process the audio information to derive plural-bit data; andcontrol an aspect of an operation of the device based on the derived plural-bit data. 13. The device of claim 12, further comprising: a microphone configured to capture a voice;a modulator configured to modulate the captured voice;an antenna; andan RF amplifier connected to the antenna configured to, transmit a signal that conveys data representing the voice. 14. The device of claim 12, wherein the processor is further configured to derive the plural-bit data by reference to pseudo-random key information. 15. The device of claim 12, wherein the processor is further configured to filter the audio information before deriving the plural-bit data. 16. The device of claim 12, wherein the processor is further configured to perform a mean-removal operation on the audio information before deriving the plural-bit data. 17. A non-transitory computer-readable medium having instructions stored thereon, that when executed by a computing device cause the computing device to perform operations comprising: processing audio information to help generate a signal that drives an audio transducer;providing auditory output, using the audio transducer;deriving plural-bit data from the audio information by applying an algorithm to the audio information; andtaking an action based on the derived plural-bit data. 18. The non-transitory computer-readable medium of claim 17, wherein deriving the plural-bit data comprises referencing pseudo-random key information. 19. The non-transitory computer-readable medium of claim 17, wherein the operations further comprise filtering the audio information before deriving the plural-bit data. 20. The non-transitory computer-readable medium of claim 17, wherein the operations further comprise performing a mean-removal operation on the audio information before deriving the plural-bit data.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Wireless methods and devices employing plural-bit data derived from audio information 원문보기

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Wireless methods and devices employing plural-bit data derived from audio information 원문보기

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