Method, system and apparatus for audio communication modulation modes 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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an instruction execution system; and a memory for storing instructions executable by the instruction execution system operable to perform acts of; 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; sending the first audio detection frame to the electronic signature token; determining whether a first audio detection feedback frame from the electronic signature token is received; determining whether the first audio detection feedback frame is correct if a determination is made that the first audio detection feedback frame from the electronic signature token is received; and 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 a determination is made 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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an instruction execution system; and a memory for storing instructions executable by the instruction execution system operable to perform acts of; determining whether a first audio detection frame is received; determining whether the first audio detection frame is correct if a determination is made that the first audio detection frame is received; 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 a determination is made 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; receiving the first audio detection frame from the apparatus and sending the first audio detection feedback frame to the apparatus; and 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