APPARATUS AND METHOD FOR BREATHING PATTERN DETERMINATION USING A NON-CONTACT MICROPHONE
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Abstract
A method is provided for analyzing respiration of a subject (20). Using a non-contact microphone (22), a raw signal indicative of airflow sounds of the respiration is generated. The raw signal is analyzed to determine a first set of one or more parameters of the respiration. An algorithm is applied to the first set of parameters to derive a second set of one or more estimated parameters of the respiration that are not generally directly measurable in the raw signal. Other embodiments are also described.
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Citations
155 Claims
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1-57. -57. (canceled)
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58. A method for modifying naturally-occurring multi-phase biorhythmic activity of a subject, the method comprising:
- detecting a signal indicative of the multi-phase biorhythmic activity;
analyzing the signal to determine one or more parameters of a filter;
filtering background noise from the signal using the filter having the parameters;
at least in part responsively to the filtered signal, determining a stimulus input which is operative to change at least one aspect of the biorhythmic activity of the subject; and
providing the stimulus input to the subject. - View Dependent Claims (59, 60, 61, 62, 63, 64, 65, 66, 67)
- detecting a signal indicative of the multi-phase biorhythmic activity;
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68-144. -144. (canceled)
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145. Apparatus for modifying naturally-occurring multi-phase biorhythmic activity of a subject, the apparatus comprising:
- a sensor, adapted to detect a signal indicative of the multi-phase biorhythmic activity;
a control unit, adapted to;
analyze the signal to determine one or more parameters of a filter, filter background noise from the signal using the filter having the parameters, and at least in part responsively to the filtered signal, determine a stimulus input which is operative to change at least one aspect of the biorhythmic activity of the subject; and
a stimulator, adapted to provide the stimulus input to the subject. - View Dependent Claims (146, 147, 148, 149, 150, 151, 152, 153, 154)
- a sensor, adapted to detect a signal indicative of the multi-phase biorhythmic activity;
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155-173. -173. (canceled)
Specification