Shopping method and shopping system based on handheld mobile device
A mobile device and data technology, applied in the field of shopping methods and systems based on handheld mobile devices, can solve the problems of single information transmission means, difficult promotion, complicated process, etc., so as to simplify the transaction process, reduce communication costs, and reduce user expenditures Effect
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[0041] In the following, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments, so as to understand the technical idea claimed in the present invention more clearly.
[0042] In order to facilitate understanding of the scheme of the present invention, the following nouns are explained:
[0043] Voiceprint data: It is mainly identified by the formant in the sound spectrum and its direction. Formants refer to some areas where energy is relatively concentrated in the sound spectrum. There are some fixed frequency peaks in the spectral distribution of the human voice and most musical instruments. This frequency peak is called a formant in the sound spectrum. The formants and their orientations of different audios have different distinctive features, which can be used as voiceprint data.
[0044] Light and shade change data: It is mainly identified by the light and shade changes of the picture. Each frame in the vid...
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