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30 results about "Rhythm analysis" patented technology

External Defibrillator With Adaptive Protocols

A method and apparatus for a defibrillating system is disclosed that monitors the patient during treatment and then uses the information it gathers to adjust treatment protocols during treatment based on the patient's response. The protocols may include adaptive rhythm analysis intervals, adaptive CPR intervals, and adaptive shock stacks. A method of operating a defibrillator may include the steps of: obtaining a data set on at least one physiological parameter of a patient in a first data gathering interval; performing an analysis of the data set; and determining a time interval between the analysis of the first data set and a second data set, or the duration of a CPR interval, or the number of shocks in a shock stack, based on the result of the analysis of the data set.
Owner:PHYSIO CONTROL INC

Aed faster time to shock method and device

An automated external defibrillator (AED) and methods for reducing the delay between termination of cardiopulmonary resuscitation (CPR) and administration of a defibrillating shock, among other disclosed apparatus and methods. In one embodiment, the AED includes an ECG sensor that obtains an ECG signal corresponding to patient heart activity and a prompting device that provides instructions regarding cardiopulmonary resuscitation. The AED also has a control system including a microprocessor programmed to run two rhythm analysis algorithms after instructions to terminate CPR. The two rhythm analysis algorithms analyze segments of the ECG signal for recognizing the presence of a shockable rhythm, with one algorithm having a delayed start relative to the other algorithm. The AED additionally includes a therapy generation circuit for treating the shockable rhythm with a defibrillation pulse in response to the control system determining the presence of a shockable rhythm.
Owner:ZOLL MEDICAL CORPORATION

Tempo analysis device and tempo analysis method

A tempo analyzer to analyze the tempo of sound such as a musical composition or the like is provided in which a controller (9) takes, based on level information on a sound signal from an analysis data extraction unit (62), a frame which is a predetermined unit-time interval as a unit of process, detects positions of peaks of the level of the sound signal (apex of the change in level) higher than a predetermined level to find a time interval (peak-to-peak interval) between the peak positions in the frame, and determines a peak-to-peak time interval having occurred frequently as a tempo.
Owner:LINE CORPORATION

Wearable cardiac defibrillator system diagnosing differently depending on motion

Embodiments of a WCD system include a measurement circuit that can render a physiological input from the patient. Such WCD systems may also receive a motion detection input that reveals whether a motion event has been detected by a motion detector. In some embodiments, a value becomes assigned to a motion level parameter in response to any motion event detected or not, and the rhythm analysis can be based on the physiological input and on the assigned value. In some embodiments, a rhythm analysis of the physiological input may be performed in different manners, depending on whether or not a motion event has been detected. In some embodiments, a different shock / no shock criterion may be applied to the rhythm analysis, depending on whether or not a motion event has been detected. The patient may receive an electrical shock according to a shock / no shock determination.
Owner:WEST AFFUM HLDG DAC

Method for converting text into rap music and device thereof

The invention provides a method for converting text into rap music and a device thereof, and belongs to the technical field of electronic digital data processing. The method comprises carrying out the character rhythm analysis for obtained to-be-converted text to obtain words and characters in the to-be-converted text, and endowing with sound attribute for each word and each character in the to-be-converted text, and converting each word and each character in the to-be-converted text to character audio frequency according with MIDI music rules through a preset character voice database and the sound attribute, obtaining to-be-played MIDI audio frequency, and synthesizing the to-be-played MIDI audio frequency and the character audio frequency to generate rap music, wherein the text can be output in the form of rap music for increasing the recreation of the text, thereby improving the experience of users.
Owner:VIMICRO CORP

Method and system for restricting ECG (Electrocardiogram) interference caused by cardio-pulmonary resuscitation and external defibrillator

ActiveCN104323769AOvercome the disadvantages of fixed value affecting the filtering effectSuppression of interfering componentsHeart defibrillatorsDiagnostic recording/measuringEcg signalProportional control
The invention discloses a method and system for restricting the ECG (Electrocardiogram) interference caused by cardio-pulmonary resuscitation and an external defibrillator, relating to the technical field of EGG detection. The method comprises the following steps: 1, acquiring an ECG signal and a voltage signal of a reference signal; 2, processing and analyzing the acquired ECG signal and voltage signal; 3, comparing the processed signals with a set value; 4, when the processed signal is greater than the set value, carrying out adaptive filtering; 5, when the processed signal is less than the set value, carrying out rhythm analysis; 6, processing and analyzing the signal subjected to adaptive filtering and returning to continuously execute the step 3. The method and system and the external defibrillator disclosed by the invention, the acquired ECG signal and the reference signal subjected to frequency domain analysis, and the energy of inference in the ECG signal and the proportion to the interference energy to the total energy of signals are calculated. The frequency of circulation filtering and the step length factor of adaptive filtering are controlled by using the proportion of the interference energy so as to realize dynamic adjustment of the filtering strength, the pushing interference element in the ECG signal is furthest restricted and the characteristics of the ECG signal are highlighted.
Owner:ARMY MEDICAL UNIV

Teacher-student behavior analysis system based on classroom videos

The invention discloses a teacher-student behavior analysis system based on classroom videos, which comprehensively evaluates teacher-student classroom interaction conditions and is divided into a teacher classroom teaching behavior analysis module, a teacher classroom teaching sound rhythm analysis module, a student classroom hand raising behavior analysis module and a teacher-student speech behavior interaction analysis module. Index calculation is performed on the classroom teaching video so that the data result of the classroom teacher-student behaviors can be obtained, the classroom teacher-student behavior data report can be generated and reference can be provided for evaluation of the teacher-student classroom interaction effect.
Owner:SOUTHEAST UNIV

Audio content correction method and intelligent device thereof

InactiveCN108257609ATroubleshoot technical issues that cannot be accurately correctedSpeech analysisFundamental frequencyAudio normalization
The invention discloses an audio content correction method and an audio content correction intelligent device. The audio content correction method comprises the steps of: acquiring audio information sung by a user, performing fundamental frequency analysis on the audio information to obtain fundamental frequency features, and performing rhythm analysis on the audio information to obtain rhythm features, comparing the rhythm features with a template to obtain a time offset sequence, comparing the fundamental frequency features with a template according to the time offset sequence so as to obtain a pitch difference sequence, and performing tone modulation and speed change processing on the audio information of the user according to the time offset sequence and the pitch difference sequence to obtain a corrected audio. By correcting the rhythm and pitch separately, the technical problem that the rhythm and pitch on a timeline interfere with each other and cannot be accurately corrected inoverall analysis in the related art is solved.
Owner:北京小唱科技有限公司

Speech synthesis method and device

PendingCN112037758ASolve the problem of synthesis failureSpeech synthesis speed increasedSpeech synthesisGeneration processSynthesis methods
The invention discloses a speech synthesis method, and belongs to the technical field of speech synthesis. The method comprises the following steps: performing rhythm analysis on a to-be-synthesized text; segmenting a long text into a short text set with a proper length according to a rhythm analysis result, and recording a text segmenting sequence; calling a voice synthesis model for the text objects in the text set to generate acoustic features in parallel; splicing the acoustic features obtained by the text objects according to the text segmenting sequence; and enabling the spliced completeacoustic features to pass through a vocoder model, and finally, outputting an audio. On the basis of traditional speech synthesis methods, parallel processing in the speech spectrum generation process of a to-be-synthesized text is reasonably utilized, the problems that when the text is too long, the speech synthesis speed is low, and speech synthesis model spectrum synthesis is prone to failuredue to the fact that the text is too long are effectively solved, the speech synthesis speed is effectively increased, so that the speech synthesis system is more efficient, stable and natural.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Voice generation method and device

The invention relates to a voice generation method and device. The voice generation method comprises the steps of obtaining first text information; inputting the first text information into a preset rhythm analysis model to obtain a first implicit acoustic feature, wherein the first implicit acoustic feature is a feature of voice corresponding to the first text information; inputting the first implicit acoustic feature into a preset adaptive acoustic model corresponding to the target speaker to obtain a first acoustic feature corresponding to the target speaker; and generating voice corresponding to the target speaker and the first text information according to the first acoustic feature. Therefore, the bilingual information of the target speaker does not need to be acquired, the specificvoice of the target speaker does not need to be acquired, and the purpose of rapidly and effectively generating the voice corresponding to the target speaker and the target language is achieved.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD

Music rhythm analysis method based on big data

The invention discloses a music rhythm analysis method based on big data, which relates to the computer technical field. The method comprises followings teps of acquiring to-be-analyzed music data; Extracting rhythmic features from music segments; Retrieving reference music data having corresponding rhythm characteristics according to the rhythm characteristics; Emotional expression analysis of reference music data; Performing emotion classification processing on all reference music data according to the emotion data; Sorting all emotion categories according to the number of reference music data in the emotion categories; According to the preset range value, intercepting the corresponding affective categories in all sorted affective categories; Calculating the emotion application frequencyof the intercepted emotion category and the rhythm application frequency of the corresponding emotion category; The output after sorting out the chart can reduce the occurrence of music creation or music collocation errors, improve the work efficiency of music creation or music collocation, and enhance the music effect.
Owner:HUNAN CITY UNIV

Apparatus and method for analyzing electrocardiogram

An electrocardiogram analysis apparatus according to an embodiment of the present invention includes an inputter configured to receive an electrocardiogram of a subject, a beat analyzer configured to first detect and classify one or more normal beats among a plurality of beats included in the received electrocardiogram, request beat classification for remaining beats except for the one or more normal beats from a remote diagnosis server, and label each of the plurality of beats according to a normal beat detection result and a beat classification result received from the remote diagnosis server, and a rhythm analyzer configured to perform rhythm analysis on the electrocardiogram based on a labeling result.
Owner:SAMSUNG SDS CO LTD

Defibrillator control method and device and computer readable storage medium

The invention provides a defibrillator control method and device and a computer readable storage medium, the defibrillator control method comprises the steps that when a defibrillator is in a heart rhythm analysis state, electric shock condition judgment is carried out based on first heart rhythm data collected by an electrocardio collection electrode, and the electrocardio collection electrode is a dry electrode; if the first heart rhythm data is the shockable heart rhythm meeting the electric shock condition, a discharge electrode is triggered to enter an electrocardiogram collection state, and the discharge electrode is a metal electrode; and performing electric shock condition judgment again based on second heart rhythm data collected by the discharge electrode to obtain a final electric shock condition judgment result. Through the implementation of the scheme of the invention, the electrocardio acquisition electrode is firstly used for carrying out primary heart rhythm analysis, and then the discharge electrode is reused for carrying out secondary heart rhythm analysis, so that additional hardware cost is not needed, the accuracy of heart rhythm analysis is effectively improved, and the discharge response accuracy of the defibrillator is ensured.
Owner:VIVEST MEDICAL TECH CO LTD

Template-based method for automatically generating music melody

The invention discloses a template-based method for automatically generating music melody and relates to the technical field of music melody making. The method particularly includes that S1, a user can input own melody hummed randomly through a voice input module, and after the voice input module hums the melody, a note pitch intelligent analysis module, a note rhythm intelligent analysis module,a phrase attribute intelligent analysis module and a beat intelligent selection module in a rhythm analysis system analyze the melody. By the method, a music lover knowing nothing about composing onlyneeds to hum a melody, the system can automatically make a rhythm close to the melody according to the melody hummed by the user, so that a good creation path is provided for non-professionals, and the non-professionals can experience fun of creation with no cost; duplication of the rhythm is well checked, and creation inspiration can be provided for professionals.
Owner:JIANGSU FOOD & PHARMA SCI COLLEGE

Intelligent analysis method for voice dialogue based on soft switch technology

The invention relates to an intelligent analysis method for a voice dialogue based on a soft switch technology, which is characterized in that a first recognition module of a source soft switch transmits received input voice information to a first analysis module, the first analysis module parses the input voice information into a corresponding text, carries out rhythm analysis, syntactic analysis, voice analysis and pragmatic analysis on the input voice information and the text, converts the input voice information into corresponding virtual routing identification and transmits the virtual routing identification to a first forwarding module, the first forwarding module transmits the virtual routing identification to a destination soft switch which establishes connection with the source soft switch through an IP network, a second recognition module of the destination soft switch receives the virtual routing identification and then transmits the virtual routing identification to a second analysis module, and the second analysis module reversely parses the virtual routing identification into output voice information and then transmits the output voice information through a second conversion module. The intelligent analysis method has the advantages of accurate parsing and high user experience.
Owner:中科智云科技(珠海)有限公司

Pre-conditioned ECG system and method

A pre-conditioned ECG system and method includes a patient signaling device configured to alert the patient to minimize the patient's activity so that an ECG measurement may be taken, and further alerts the patient when the measurement is completed. The pre-conditioned ECG system and method also includes a pre-set buffer configured to hold a preset length of ECG data, and further configured to hold pre-set ECG parameters such as mean R-R interval, standard deviation of R-R interval, or simple rhythm analysis. The system and method may analyze the current 10 seconds of ECG data when the preset parameters are met or when selected parameters are met.
Owner:GENERAL ELECTRIC CO

Device for automatically detecting pulse during cardiopulmonary resuscitation and detection method thereof

The invention discloses a device for automatically detecting pulse during cardiopulmonary resuscitation and a detection method thereof. A processor synchronously collects an acceleration signal and anelectrocardiosignal through an acceleration sensor and an electrocardiogram acquisition module, and the processor judges whether pressing exists in a time period corresponding to the signal by analyzing the collected acceleration signal. If no pressing exists, rhythm analysis is performed on the collected electrocardiosignal; and if the electrocardiosignal is rhythmic electrocardiogram, the electrocardiosignal and the acceleration signal are preprocessed. The processor calculates a cross correlation coefficient sequence of the electrocardiosignal and the acceleration signal according to the pre-processed electrocardiosignal and acceleration signal, extracts the maximum cross correlation coefficient and compares the maximum cross correlation coefficient with a set threshold value, and if the maximum cross correlation coefficient is greater than the set threshold value, the pulse exists. The pulse of patients can be automatically detected, the detection time is short, the accuracy rateis high, the cardiopulmonary resuscitation success rate is improved, and interference of a pressing action of a doctor on the pulse detection during the cardiopulmonary resuscitation is excluded.
Owner:ARMY MEDICAL UNIV

Vehicle light show control method, device, equipment, medium and program product

The invention provides a vehicle light show control method, device and equipment, a medium and a program product. The method comprises the following steps: acquiring a to-be-analyzed audio; sampling the audio to be analyzed according to a preset sampling frequency and a sampling model, and storing a sampling result into a sampling array; according to a preset rhythm analysis model, the sampling array is analyzed to determine rhythm points of each display frame and rhythm types corresponding to the rhythm points, and the rhythm points are used for representing the switching moments of the light on-off states in the time periods corresponding to the display frames; and determining a display sequence of each preset lamp effect according to the rhythm points and the rhythm types, and controlling at least one vehicle lamp on the at least one target vehicle to perform light show display according to the display sequence. The technical problem of how to automatically control the vehicle light show according to the played audio is solved. The technical effect that the light show can be controlled according to the audio played in real time without manual editing is achieved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Apparatus and method for analyzing electrocardiogram

The invention discloses an electrocardiogram analysis device and an electrocardiogram analysis method thereof. The electrocardiogram analysis device according to one embodiment of the present invention comprises: an input unit for receiving an electrocardiogram of a subject; a heartbeat analysis unit, preferentially detecting and classifying normal heartbeats in a plurality of heartbeats includedin the received electrocardiogram; requesting heartbeat classification for remaining heartbeat other than the normal heartbeat from a remote diagnosis server, and marking each of the plurality of heartbeats in accordance with a detection result of the normal heartbeat and a heartbeat classification result received from the remote diagnosis server; and a rhythm analysis unit that performs rhythm analysis on the electrocardiogram on the basis of the marking result.
Owner:SAMSUNG SDS CO LTD

Method, system and external defibrillator for suppressing electrocardiographic interference caused by cardiopulmonary resuscitation

ActiveCN104323769BOvercome the disadvantages of fixed value affecting the filtering effectSuppression of interfering componentsHeart defibrillatorsDiagnostic recording/measuringEcg signalProportional control
The invention discloses a method and system for restricting the ECG (Electrocardiogram) interference caused by cardio-pulmonary resuscitation and an external defibrillator, relating to the technical field of EGG detection. The method comprises the following steps: 1, acquiring an ECG signal and a voltage signal of a reference signal; 2, processing and analyzing the acquired ECG signal and voltage signal; 3, comparing the processed signals with a set value; 4, when the processed signal is greater than the set value, carrying out adaptive filtering; 5, when the processed signal is less than the set value, carrying out rhythm analysis; 6, processing and analyzing the signal subjected to adaptive filtering and returning to continuously execute the step 3. The method and system and the external defibrillator disclosed by the invention, the acquired ECG signal and the reference signal subjected to frequency domain analysis, and the energy of inference in the ECG signal and the proportion to the interference energy to the total energy of signals are calculated. The frequency of circulation filtering and the step length factor of adaptive filtering are controlled by using the proportion of the interference energy so as to realize dynamic adjustment of the filtering strength, the pushing interference element in the ECG signal is furthest restricted and the characteristics of the ECG signal are highlighted.
Owner:ARMY MEDICAL UNIV

Device and method for automatically detecting pulse during cardiopulmonary resuscitation

The invention discloses a device for automatically detecting pulse during cardiopulmonary resuscitation and a detection method thereof. A processor synchronously collects an acceleration signal and an electrocardiogram signal through an acceleration sensor and an electrocardiogram acquisition module, and the processor analyzes the collected acceleration signal. It is judged whether there is a press in the time period corresponding to the signal, and if there is no press, the rhythm analysis is performed on the collected ECG signal, and if the ECG signal is a rhythmic ECG signal, the ECG signal and the acceleration signal are preprocessed. The processor calculates the cross-correlation coefficient sequence between the preprocessed ECG signal and the acceleration signal, extracts the maximum cross-correlation coefficient, and compares the maximum cross-correlation coefficient with the set threshold, and if it is greater than the set threshold, there is a pulse. It can automatically detect the patient's pulse, with short detection time and high accuracy, which improves the success rate of cardiopulmonary resuscitation and eliminates the interference of the doctor's pressing action on the pulse detection during the cardiopulmonary resuscitation process.
Owner:ARMY MEDICAL UNIV

Playing evaluation system

PendingCN113643676APerformance evaluation fastPerformance evaluation is accurateElectrophonic musical instrumentsTransmission systemsLoudnessAudio frequency
The invention provides a playing evaluation system, and relates to the technical field of playing evaluation, and the system comprises an audio signal acquisition module which is used for collecting multiple paths of audio signals; a playing evaluation module which is in wireless communication connection with the audio signal acquisition module and used for analyzing the loudness, the timbre, the tone and the rhythm of the multiple paths of audio signals, and a server which is in wireless communication connection with the playing evaluation module and used for storing playing audio files. According to the system, double-channel audio signal acquisition is achieved through the audio signal acquisition module, the two channels of audio signals are transmitted to the playing evaluation module in a wireless communication mode, loudness, timbre, tone and rhythm analysis is conducted on the two channels of audio signals at the same time through the playing evaluation module, and rapid and accurate playing evaluation is achieved.
Owner:汲趣艺术科技(上海)有限公司

Fish dam-crossing analysis method for fish lift engineering

The invention relates to a fish dam-crossing analysis method for fish lift engineering. The analysis method comprises the following technical contents: 1) carrying out fish-crossing season analysis; 2) carrying out dam-passing individual specification analysis; 3) carrying out dam passing quantity analysis; 4) analyzing the cluster effect of fishes under the dam; 5) carrying out fish activity daily rhythm analysis; and 6) carrying out fish ecological habit analysis. The method has extremely strong practical experience, theoretical and technical support of fish lift engineering construction isgiven in six aspects, the fish lift engineering constructed on the basis of the theory can completely meet the dam lifting and passing requirements of the dam through practical verification, and due to the fact that early-stage investigation factors are sufficient enough, damage to local ecology is reduced to the minimum, most importantly, sufficient theoretical basis and reliable data parametersare provided for continuous research of later-period fish lift engineering construction influence factor analysis, and the method has extremely high guiding significance.
Owner:POWER CHINA KUNMING ENG CORP LTD

Speech synthesis method and device, equipment and storage medium

The invention discloses a speech synthesis method. The method comprises the following steps: inputting a reference speech sequence into a preset speech rhythm analysis model for analysis to obtain speech rhythm feature information; inputting the target text sequence into a preset text rhythm analysis model for analysis to obtain text rhythm feature information; performing preset merging processing on the speech rhythm feature information and the text rhythm feature information to obtain rhythm information used for recording the rhythm of a target speech to be synthesized; and synthesizing the target speech based on the target text sequence and the rhythm information. Therefore, themethod can combine the speech rhythm of the referencespeech and the text rhythm of the target text to synthesize the speech when speech synthesis is performed so that the synthesized speech is closer to the real voice of human beings, and the user experience is improved. The invention also relates to the technical field of block chains.
Owner:PING AN TECH (SHENZHEN) CO LTD
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