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Music brain electricity analytical method

An analysis method, a technology of electrical analysis, applied in the field of EEG signal analysis, can solve problems such as not mentioned

Inactive Publication Date: 2007-08-15
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the patent does not mention the mapping rules and reasons between music and EEG data.

Method used

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Embodiment Construction

[0049] As shown in Figures 1 to 12, Figure 1 is a functional block diagram of the method of the present invention. The subject is the provider of the original EEG signal A. According to the needs, the subject can be in different physiological states, such as resting, performing certain cognitive activities or sleeping, etc. The EEG signal acquisition system is a standard EEG signal acquisition system. Acquisition equipment generally includes electrode caps, signal amplifiers, corresponding recording equipment, etc. For specific hardware equipment, please refer to the hardware equipment used in the application document of Chinese Patent Application No. 01129935.5. The present invention is applicable to various EEG acquisition devices, and can perform online or offline analysis and processing according to the performance of the devices. The EEG signal recorded by the EEG signal acquisition system takes the data of one of them (such as Cz) and converts it into a digital signal B....

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Abstract

The invention discloses a music electroencephalological analyzing method, which comprises the following steps: a. gathering electroencephalological signal and graph; b. processing the signal; proceeding signal character analysis for electroencephalological graph; establishing character quantity data of electroencephalological signal and corresponding map regular of music character quantity data at power law distribution; mapping the electroencephalological signal into music character quantity data; c. producing MIDI pattern music according to music character quantity data or mapping regular; reconstructing electroencephalological graph based on MIDI music.

Description

technical field [0001] The invention relates to a method for analyzing electroencephalogram signals, in particular to a method for analyzing electroencephalogram of music. Background technique [0002] Since brain electricity was discovered and measured in 1924, people's research on brain waves has been mainly carried out through electroencephalography (EEG), most of which are presented visually. Traditional EEG research divides EEG into the following categories according to frequency and amplitude: β wave, high frequency (between 14 and 30 Hz, sometimes as high as 50 Hz), and small amplitude (about 5 μV); Typical brain wave rhythm, between 8 and 13 Hz, slightly larger in amplitude than beta waves; theta waves, slightly lower in frequency than alpha waves, usually 4 to 7 Hz, larger in amplitude than alpha waves; delta waves, the slowest brain wave The radio rhythm, usually below 3.5Hz, has the largest amplitude, up to 300μV. The proportion of these brain wave rhythms is di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0476G06F17/00
Inventor 尧德中李朝义吴丹
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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