Dementia-preventing device and dementia-preventing method

A technique of dullness and multiplication, which is applied in the field of anti-slowness devices, can solve problems such as unestablished effective methods, and achieve the effect of strengthening functions, preventing dullness symptoms, and promoting activation

Inactive Publication Date: 2007-01-31
RION COMPANY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, effective methods have not yet been established

Method used

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  • Dementia-preventing device and dementia-preventing method
  • Dementia-preventing device and dementia-preventing method
  • Dementia-preventing device and dementia-preventing method

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Effect test

no. 1 Embodiment approach

[0024] figure 1 is a block diagram showing the anti-sluggishness device of the present invention. exist figure 1 Among them, the input audio signal from the microphone is applied to the band-pass filter unit 1 through the input terminal 7 . The band-pass filter unit 1 has a plurality of band-pass filters 1a, 1b, 1c, and 1d for extracting signals of predetermined frequency bands. The output signals of the respective bandpass filters 1a, 1b, 1c, and 1d are applied to envelope extractors 2a, 2b, 2c, and 2d of the envelope extracting section 2, respectively. Each envelope extractor 2a, 2b, 2c, 2d extracts the envelope of each frequency band signal. The noise signal output from the noise source 5 is applied to the band-pass filter unit 4 having a plurality of band-pass filters 4a, 4b, 4c, and 4d, and is divided into noise signals having the same frequency band as the band-pass filter unit 1 . The outputs of the envelope extractors 2a, 2b, 2c, 2d and the bandpass filters 4a, 4b,...

no. 2 Embodiment approach

[0034] figure 2 It is a block diagram of a game machine type anti-sluggish device using the present invention to degrade noise. exist figure 2 Among them, a bandpass filter unit 1, an envelope extraction unit 2, a multiplication unit 3, a bandpass filter unit 4, a noise source 5, an addition unit 6, and figure 1 have the same structure. In the sound source signal unit 10, sound signals of various words and sentences are stored. The sound source selection control unit 11 sends a control signal to the sound source signal unit 10 to select and specify the sound signal of a given word or sentence. The sound source signal unit 10 outputs the sound signal of words and sentences specified by the sound source selection control unit 11 to the bandpass filter unit 1 . The output terminal 8 outputs the degraded noise sound signal of the words and articles. Let the user listen to it by using the speaker and the earphone, the output unit that outputs the degraded noise sound signal....

no. 3 Embodiment approach

[0040] Fig. 3 is a block diagram of another embodiment of the game machine-type anti-sluggishness device using the noise-degrading sound of the present invention. In describing this block diagram, the same figure 2 different parts. The degraded noise sound output by the adding unit 6 is presented to the user by the headphone 13 which is the output unit. The sound source selection control part 11, in addition to the sound source signal selection function, also has a display signal generation control function, on the display part--the screen of the display device 14, the words and expressions to the user's instructions and the words and articles using degraded noise sound are displayed. Reply. The answer input unit 15 is a keyboard for inputting recognized words and sentences. The information signal from the answer input unit 15 is transmitted to the sound source selection control unit 11, and the sound source selection control unit 11 analyzes the content of the answer, and...

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Abstract

The invention provides a dementia countermeasure when the serious aging society is coming. A first band filter unit having a plurality of band filters extracts a signal of a predetermined band from a speech signal. An envelope extraction unit having an envelope extractor extracts an envelope of each band signal. A noise source signal is added to a second band filter unit having a plurality of band filters and a noise signal corresponding to the aforementioned predetermined band is extracted. Outputs from the first band filter unit and the second band filter unit are multiplied by a multiplier. The output from the multiplier is accumulated in an adder so as to create a deteriorated-by-noise speech signal. A user listens to the deteriorated-by-noise speech signal so as to prevent dementia.

Description

technical field [0001] The present invention relates to an anti-sluggish device and anti-sluggish method for activating brain activity and preventing dullness by listening to a degraded noise sound that makes at least a part of the frequency band signal of the sound signal noisy. Background technique [0002] In the research on the recognition of sound signals in the prior art, even if the subject is not allowed to listen to the sound signal intact, but the components of the sound signal are noised by a given method and then let him listen, the subject will also listen to the sound signal. It is well known that the meaning can be grasped well. This technique is described in, for example, Non-Patent Document 1, Non-Patent Document 2, and Non-Patent Document 3. [0003] According to these documents, the sound signal is divided into 4 frequency bands (0~600, 600~1500, 1500~2500, 2500~4000Hz), and each sound signal is half-wave rectified, and then passed through a 16Hz low-pass...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M21/02A61M21/00A63B23/025A63F13/215A63F13/42A63F13/45A63F13/54G10L13/00G10L21/04
CPCA61M21/00A61M2021/0027
Inventor 力丸裕
Owner RION COMPANY
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