METHOD, SYSTEM AND APPARATUS FOR AUDIO COMMUNICATION MODULATION MODE SELF-ADAPTATION, AND ELECTRONIC SIGNATURE TOKEN
First Claim
1. A method for audio communication modulation mode self-adaption, comprising:
- modulating by a first device an identifier of a modulation mode supported by the first device and an identifier of a modulation mode supported by a second device using the modulation mode supported by the first device according to a predetermined rule to generate a first audio detection frame;
sending the first audio detection frame to the second device;
determining whether the first audio detection frame is correct, after the second device receives the first audio detection frame;
if the first audio detection frame is correct, selecting by the second device the modulation mode supported by the second device corresponding to the identifier of the modulation mode supported by the second device from pre-stored modulation modes supported by the second device according to the identifier of modulation mode supported by the second device carried in the first audio detection frame, and modulating by the second device the identifier of the modulation mode supported by the first device and the identifier of the modulation mode supported by the second device carried in the first audio detection frame using the modulation mode supported by the second device to generate a first audio detection feedback frame;
sending the first audio detection feedback frame to the first device;
determining whether the first audio detection feedback frame is correct, after the first device receives the first audio detection feedback frame; and
if the first audio detection feedback frame is correct, demodulating by the first device an audio data frame from the second device using a demodulation mode corresponding to the modulation mode supported by the second device, and demodulating by the second device an audio data frame from the first device using a demodulation mode corresponding to the modulation mode supported by the first device.
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Abstract
A method, system and apparatus for audio communication modulation mode self-adaptation, and an electronic signature token are provided. The method includes generating a first audio detection frame; if the first audio detection frame is correct, selecting the modulation mode supported by the second device corresponding to the identifier of the modulation mode supported by the second device from pre-stored modulation modes supported by the second device according to the identifier of modulation mode supported by the second device carried in the first audio detection frame, and generating a first audio detection feedback frame; if the first audio detection feedback frame is correct, demodulating an audio data frame from the second device using a demodulation mode corresponding to the modulation mode supported by the second device, and demodulating an audio data frame from the first device using a demodulation mode corresponding to the modulation mode supported by the first device.
14 Citations
20 Claims
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1. A method for audio communication modulation mode self-adaption, comprising:
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modulating by a first device an identifier of a modulation mode supported by the first device and an identifier of a modulation mode supported by a second device using the modulation mode supported by the first device according to a predetermined rule to generate a first audio detection frame; sending the first audio detection frame to the second device; determining whether the first audio detection frame is correct, after the second device receives the first audio detection frame; if the first audio detection frame is correct, selecting by the second device the modulation mode supported by the second device corresponding to the identifier of the modulation mode supported by the second device from pre-stored modulation modes supported by the second device according to the identifier of modulation mode supported by the second device carried in the first audio detection frame, and modulating by the second device the identifier of the modulation mode supported by the first device and the identifier of the modulation mode supported by the second device carried in the first audio detection frame using the modulation mode supported by the second device to generate a first audio detection feedback frame; sending the first audio detection feedback frame to the first device; determining whether the first audio detection feedback frame is correct, after the first device receives the first audio detection feedback frame; and if the first audio detection feedback frame is correct, demodulating by the first device an audio data frame from the second device using a demodulation mode corresponding to the modulation mode supported by the second device, and demodulating by the second device an audio data frame from the first device using a demodulation mode corresponding to the modulation mode supported by the first device. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for audio communication modulation mode self-adaption, comprising a first device and a second device connected with each other via an audio interface, wherein
the first device is configured for modulating an identifier of a modulation mode supported by the first device and an identifier of a modulation mode supported by a second device using the modulation mode supported by the first device according to a predetermined rule to generate a first audio detection frame, sending the first audio detection frame to the second device, determining whether a first audio detection feedback frame is correct after receiving the first audio detection feedback frame from the second device, and if yes, demodulating an audio data frame from the second device using a demodulation mode corresponding to the modulation mode supported by the second device; the second device is configured for determining whether the first audio detection frame is correct after receiving the first audio detection frame, and if yes, selecting the modulation mode supported by the second device corresponding to the identifier of the modulation mode supported by the second device from pre-stored modulation modes supported by the second device according to the identifier of the modulation mode supported by the second device carried in the first audio detection frame, and modulating the identifier of the modulation mode supported by the first device and the identifier of the modulation mode supported by the second device carried in the first audio detection frame using the modulation mode supported by the second device to generate the first audio detection feedback frame, sending the first audio detection feedback frame to the first device, and if the first device determines that the first audio detection feedback frame is correct, demodulating an audio data frame from the first device using a demodulation mode corresponding to the modulation mode supported by the first device. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An audio data transmission apparatus for a mobile terminal, comprising:
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a modulating module configured for modulating an identifier of a modulation mode supported by the apparatus and an identifier of a modulation mode supported by an electronic signature token using the modulation mode supported by the apparatus according to a predetermined rule to generate a first audio detection frame; a transceiver module configured for sending the first audio detection frame to the electronic signature token; a first determining module configured for determining whether a first audio detection feedback frame from the electronic signature token is received; a second determining module configured for determining whether the first audio detection feedback frame is correct if the first determining module determines that the first audio detection feedback frame from the electronic signature token is received; and a demodulating module configured for demodulating an audio data frame from the electronic signature token using a demodulation mode corresponding to the modulation mode supported by the electronic signature token, if the second determining module determines that the first audio detection feedback frame is correct. - View Dependent Claims (16, 17, 18)
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19. An electronic signature token, comprising:
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a first determining module configured for determining whether a first audio detection frame is received; a second determining module configured for determining whether the first audio detection frame is correct if the first determining module determines that the first audio detection frame is received; a modulating module configured for selecting a modulation mode supported by the electronic signature token corresponding to an identifier of a modulation mode supported by the electronic signature token from pre-stored modulation modes supported by the electronic signature token using the identifier of the modulation mode supported by the electronic signature token carried in the first audio detection frame if the second determining module determines that the first audio detection frame is correct, and modulating an identifier of a modulation mode supported by an audio data transmission apparatus for a mobile terminal and the identifier of the modulation mode supported by the electronic signature token carried in the first audio detection frame using the modulation mode supported by the electronic signature token to generate a first audio detection feedback frame; a transceiver module configured for receiving the first audio detection frame from the apparatus and sending the first audio detection feedback frame to the apparatus; and a demodulating module configured for demodulating an audio data frame from the apparatus using a demodulation mode corresponding to the modulation mode supported by the apparatus, if the apparatus determines that the first audio detection feedback frame is correct. - View Dependent Claims (20)
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Specification