78 results about "Acoustic voice analysis" patented technology

Ear protecting device with a sealing section for acoustically sealing the meatus of a human, includes a sound generator with a sound outlet for being directed toward the user meatus; an inner microphone with a sound inlet from the meatus, arranged for measuring the resulting sound field in the meatus; connected to an electronics unit including a sound analyser coupled to the inner microphone, for analyzing sound characteristics of the resulting sound field in the meatus, producing analyzed sound characteristics; storing part in the electronics unit for storing measured predetermined sound characteristics of a properly functioning ear protecting device; a comparing part in the electronics unit for comparing the inner microphone analyzed sound characteristics with the stored measured predetermined sound characteristics; indicating part coupled to the comparing part for being activated if the analyzed sound characteristics differ significantly from the predetermined sound characteristics.

A personal alerting device and method for detecting an approaching sound source includes a sound detector for detecting environmental sounds and for providing an electrical signal to a sound analyzer. The sound signal is analyzed to determine a baseline sound pattern comprising a plurality of distinct sounds corresponding to sounds emitted from a reference sound source. The distinct sounds in the baseline sound pattern may have substantially the same amplitude and time interval. The sound signal is monitored and compared against the baseline sound pattern to determine whether a target sound pattern is present in the sound signal, the target sound pattern corresponding to sounds emitted by the approaching sound source. When it is determined that the target sound is present in the sound signal, one or more of an audible, visual and tactile alert may be emitted to provide warning of the approaching sound source.

An animal-machine audio interaction system includes a sound monitor for monitoring the sounds made by one or more animals, a sound segmenter for identifying coherent sound segments within the sounds made by the animal(s), a sound analyzer for analyzing and assigning a category to each sound segment, an output sound selector for selecting an output sound appropriate to the category assigned by the sound analyzer, and a sound output unit for outputting the selected output sound to the animal(s). A different control protocol may be used to define the categories assigned to the animal sounds and to determine the respective audio responses that are appropriate to the different sound categories. During operation of the system, a closed-loop audio interaction is set up between the animal(s) and the system. This interaction may be used for various purposes, such as investigating animal behaviour, entertaining the animal(s) and controlling animal behaviour.

Systems for and methods of assessing lower urinary tract function from urinary flow data via sound analysis and user-provided information regarding the lower urinary tract symptoms (LUTS) of frequency, urgency and urge incontinence. Embodiments of the LUTS assessment systems include a computer and a telephone or a digital recording mechanism to capture the sound of one or more urination events, which are stored as audio files in a database. The LUTS assessment systems may include sound analysis software for analyzing the strength and duration of each urination event and may include a web-based software application for viewing the results via the Internet or other network. The database stores information from multiple urination events, and combined with information regarding the lower urinary tract symptoms, serves as an objective tool to assess bladder function and monitor progression of disease or therapy effectiveness.

Systems for and methods of assessing urinary flow rate via sound analysis. Embodiments of the uroflow measurement systems include a computer and a telephone or a digital recording mechanism to capture the sound of one or more urination events, which are stored as audio files in a database The uroflow measurement systems may include sound analysis software for analyzing the strength and duration of each urination event and may include a web-based uroflow software application for viewing the results via the Internet or other network In one embodiment, the sound analysis software performs the steps of reading in the raw data of a selected audio file, generating a plot of the audio signal amplitude vs. time, generating a plot of smoothed data for the purpose of presenting an outline of the flow, generating a main flow plot, which is a plot of the largest continuous flow that has a strength that is greater than a predetermined minimum, and generating a set of numerical values that correspond to the strength and duration of urination.

The invention relates to a sound-based body status continuously and real-time monitoring system and method. According to an embodiment, the sound-based body status continuously and real-time monitoring system comprises a sound collecting module, a sound storage module, a sound analyzing module and a sound determining module, wherein the sound collecting module is configured to continuously collecting monitored signals related to sounds produced by a specific body part; the sound storage module is configured to converting the monitored signals into digital sound data and storing the digital sound data; the sound analyzing module is configured to timely cutting the digital sound data into sound fragments and in real time analyze the sound fragments to determine the probability of pathological feature sounds contained in the sound fragments; the sound determining module is configured to determine body status at least on the basis of the probability of the pathological feature sounds. Thesound-based body status continuously and real-time monitoring system can replace medical workers to continuously monitor breath sounds and bowel sounds of a body, intelligently identify abnormal pathological sounds and issue alarming in a visual manner, thereby being applicable to monitoring of intensive care units and postoperative care units.

Description of a web crawler that crawlers the web for audio and video files and indexes the files based on sound analysis and algorithmic translation and analysis of sounds in audio and video files to text.

The present invention provides a voice recognition apparatus and a voice recognition method. An extraction unit respectively extractes feature amounts from a plurality of voice data relative to a plurality of rejected words when the rejected words are applied to recognition words registered in the word dictionary. A collation unit calculates a degree of similarity between the voice signal and each of the recognition words and reject words stored in the word dictionary by using the feature amount extracted by the extraction unit. A result determination unit determines whether or not a word having a high calculated degree of similarity corresponds to a reject word, when the word is determined as the reject word. A reject word generation unit generates an acoustic model from a voice signal having a high degree of similarity to the recognition word to which the reject word is added, calculated by the collation unit, and stores the generated acoustic model in the word dictionary as a reject word relating to the recognition word.

The invention discloses a voice transmission device which is used in electronic equipment capable of realizing two-party or multi-party voice communication. The voice transmission device comprises a storage unit in which a voice material indicating voice characteristics of users is stored, an input unit, an analogue / digital conversion unit, a voice analysis unit, a coding / decoding unit and a transmitting unit. The invention further provides a voice transmission method comprising the following steps of: inputting voice; converting the voice into digital signals; analyzing which digital signals are the user voice digital signals, and which digital signals are the environment noise or others voice digital signals; shielding the digital signals of the environment noise or others voice; and coding and transmitting the digital signal of the user voice to the opposite side of call. By utilizing the voice transmission method and the voice transmission method, the environment noise or others voice can be shielded, and the purposes of improving the call quality and protecting the privacy of own call environment are realized.

A prosody identifying apparatus for identifying input speech on the basis of prosodic features of the input speech is provided. The prosody identifying apparatus includes a sound analyzing section for acquiring an amount of change in movement of a feature distribution obtained from an autocorrelation matrix of the frequency characteristic of the input speech and an identifying section for recognizing the input speech on the basis of an output of the sound analyzing section.

An apparatus for analyzing music based on sound information of instruments is provided. The apparatus uses sound information of instruments or the sound information and score information in order to analyze digital sounds. The sound information of instruments performed to generate digital sounds is previously stored by pitches and strengths so that monophonic notes and polyphonic notes performed by the instruments can be easily analyzed. In addition, by using the sound information of instruments and score information together, input digital sounds can be accurately analyzed and can be detected in the form of quantitative data.

The invention relates to a monitoring and alarming device for the working state of an anvil of a diamond cubic press. The monitoring and alarming device comprises a host and a monitoring and alarming system. The monitoring and alarming system comprises an image collection module, a sound collection module, an image analysis module, a sound analysis module and an I / O communication module. The first output end and the first input end of the I / O communication module are connected with the input end and the output end of a control cabinet of the cubic press respectively, and the second output end and the third output end of the I / O communication module are connected with the input end of the image collection module and the input end of the sound collection module respectively. The output end of the image collection module and the output end of the sound collection module are connected with the input end of the image analysis module and the input end of the sound analysis module respectively, and the output end of the image analysis module and the output end of the sound analysis module are connected with the second input end of the I / O communication module. By means of the monitoring and alarming device, the anvil cracking judging accuracy is improved, and the accurate anvil cracking position is visibly displayed; an operator can master the working state of the cubic press in real time, and thus loss caused by anvil cracking is reduced.

The embodiment of the invention discloses a voice enhancement method and device, relates to the technical field of communication, and solves the problems that in the prior art, in a scene with a complex sound environment, the environment cannot be self-adapted, and the experience of user intelligent interaction is poor. According to the invention, by adopting the artificial intelligence technology, the intelligent interaction experience of users can be improved. The method comprises steps: electronic equipment collects a first sound, wherein the first sound comprises at least one of a second sound and a background sound; the electronic equipment identifies the first sound; when the second sound exists in the first sound, the electronic equipment performs sound analysis on the second soundto obtain a third sound; and the electronic equipment processes the third sound.

The invention provides a speech recognizer, a speech recognition method and a speech recognition program. The speech recognizer (1) comprises a speech collating section (17) for calculating similarities at each time between the amount of a feature converted by a speech analysis section (11) and word models generated by a word model generating section (16). The speech collating section (17) extracts the word model in which the minimum similarity in the similarities at each time or the entire similarity obtained from the similarities at each time out of the word models generated by the word model generating section (16) satisfies a second threshold condition, and in which similarities at each time in the section corresponding to the phoneme or the phoneme string associated with the first threshold condition out of the speech sections of utterance speech satisfy the first threshold condition and outputs the recognized word corresponding to the extracted word model as the result of the recognition.

Apparatus and method are disclosed for data communication using sound. Generally, an apparatus for transmitting digital data comprises a data coder configured to convert the digital data into one or more types of sound parameters, and a sound synthesizer coupled to the data coder and configured to generate sound based on the one or more types of sound parameter. An apparatus for receiving digital data comprises a sound analyzer configured to receive sound and to extract one or more types of sound parameters from the received sound, and a data decoder coupled to the sound analyzer and configured to convert the extracted one or more types of sound parameters into the digital data.

A prosody identifying apparatus for identifying input speech on the basis of prosodic features of the input speech is provided. The prosody identifying apparatus includes a sound analyzing section for acquiring an amount of change in movement of a feature distribution obtained from an autocorrelation matrix of the frequency characteristic of the input speech and an identifying section for recognizing the input speech on the basis of an output of the sound analyzing section.

In one embodiment, a pause-based music detection (MD) module detects music by analyzing pauses in a received audio signal. The energy of each frame of the signal is compared to an energy threshold to determine whether the frame corresponds to background noise only (i.e., a pause) or sound such as speech or music. A window having a number of frames is analyzed to determine whether there is a pause within the window. If no pauses are detected in the window, then the current frame is presumed to correspond to music. If a pause is detected, then the current frame is presumed to correspond to speech. In another embodiment, the pause-based MD module output is applied to Boolean “OR” logic along with a tone-based MD module output to generate a final MD decision. The tone-based MD module detects music by analyzing tones in the signal using any suitable tone-based MD algorithm.

The invention provides a wireless electronic stethoscope, belonging to the technical field of medical instruments. The wireless electronic stethoscope comprises a stethoscope head, a handheld terminaland earphones, wherein the stethoscope head and the handheld terminal are connected in a wireless mode; the hand-held terminal is provided with an earphone jack and a wireless communication device; the hand-held terminal is in wired connection with the earphones through the earphone jack formed in the hand-held terminal, or is in wireless connection with the earphones through the wireless communication device arranged on the hand-held terminal; the hand-held terminal is provided with a sound storage device and a sound analysis module; the sound storage device is used for storing data, so a database is established for a user to conduct query at any time and can also be used for teaching and remote consultation; and an auscultation sound database of typical diseases is preset in the sound analysis module, collected auscultation sound data can be analyzed through comparison with the auscultation sound database, and a preliminary diagnosis prompt is obtained. The wireless electronic stethoscope can realize collection, storage, playing, analysis and transmission of auscultation sound data of a patient, and doctors can be assisted in better knowing the illness state of the patient.

A music listening and singing teaching system comprises a sound collecting unit for collecting a singing voice of a user, a sound analyzing unit electrically connected with the sound collecting unit and used for comparing the singing voice with a sample sound, an integrated processing unit electrically connected to the sound analyzing unit and used for generating a corrected audio according to thecomparison result, an audio correction unit electrically connected to the integrated processing unit and used for playing the corrected audio, and a sound playing unit electrically connected to the integrated processing unit and used for playing the singing voice or the sample sound. The music listening and singing teaching system enables the user to acquire the precise difference between the singing voice and the sample sound, so that the user can continuously his own level during the practice, and the teaching efficiency is higher.

The invention discloses a detection and alarming system for falling of an indoor worker. The system comprises a detection system and an alarming system, wherein the detection system comprises a thermal imaging module, a manual alarming button, a sound module and a time control module; the thermal imaging module comprises a support which can be rotated within an angle of 300 DEG; a thermal imaging instrument is installed on the support; the sound module comprises a sound analyzer and a noise shielding device; the time control module is in an electric-signal connection with the thermal imaging instrument and the sound analyzer separately; the alarming system comprises a cellular communication module and a controller; the controller is separately connected to the time control module and the manual alarming button; the cellular communication module comprises a receiving terminal and a GSM communication terminal which records relevant information of a user; the controller is connected to the GSM communication terminal; and the GSM communication terminal sends detection information to the receiving terminal by electric signals. The system disclosed by the invention can effectively prevent personal privacy leakage, and can also send out alarming and help calling in time aiming at different situations happening after the user falls; and rescue efficiency for rescue workers can also be increased by the relevant information recorded in the GSM communication terminal.

Disclosed is a method for determining alcohol consumption capable of analyzing alcohol consumption in a time domain by analyzing a formant slope of a voice signal, and a recording medium and a terminal for carrying out same. An terminal for determining whether a person is drunk comprises: a voice input unit for generating a voice frame by receiving a voice signal; a voiced / unvoiced sound analysis unit for determining whether a received voiced frame corresponds to a voiced sound; a formant frequency extraction unit for extracting a plurality of formant frequencies of the voice frame corresponding to the voiced sound; and an alcohol consumption determining unit for calculating a formant slope between the plurality of formant frequencies, and determining the state of alcohol consumption depending on the formant slope, thereby determining whether a person is drunk by analyzing the formant slope of an inputted voice.

The invention provides an intelligent access control system for realizing door opening through voice recognition, and the intelligent access control system for realizing door opening through voice recognition comprises a sound sensing module which is used for detecting sound data of a current door opening user; a sound analysis module which is used for analyzing the sound data detected by the sound sensing module; and an access control module which is used for controlling opening and closing of the door according to the analysis result of the sound analysis module. According to the intelligentaccess control system for realizing door opening through voice recognition, a single sensing mode at present is changed, non-contact recognition is realized, the information safety can be better ensured, and the detection efficiency is improved; in addition, from the aspect of information collection, sound collection is more convenient, and meanwhile the uniqueness and privacy are better achieved; moreover, from the perspective of security and protection, the security and the controllability of information are realized.

Disclosed is a sound analysis method and apparatus which execute an installed artificial intelligence (AI) algorithm and / or a machine learning algorithm and are capable of communicating with other electronic devices and servers in a 5G communication environment. The sound analysis method and apparatus provide a sound learning model specialized for a sound environment of a target space.

Acoustic listening methods, devices, and systems herein relate to auscultation of a body. An auscultation device as disclosed herein can be operable to function within a cavity of the body, and can operate in conjunction with other auscultation devices, including with external auscultation devices. Individual devices and grouped devices can operate with the addition of a computing device. Systems and methods are disclosed with facilitate analysis and diagnoses of Eustachian function, swallow sounds, and bolus transit.