78results about How to "Increase wake rate" patented technology

The invention discloses a wake-up word preset confidence threshold adjustment method and system. The method comprises steps that S11, daily use behavior data of a user is obtained; S12, the wake-up word preset confidence threshold is adjusted according to the daily use behavior data. The method is advantaged in that the wake-up word preset confidence threshold is dynamically set and adjusted through acquiring the daily usage behavior data of the user, personal use characteristics of the user are fully considered, firstly, whether the preset confidence threshold is lowered overall is determinedthrough the daily behavior confidence average value of the user, the preset confidence threshold is further adjusted based on the use number for each time period, the device wake-up rate is effectively improved, and the false wake-up rate is reduced.

The invention provides a training method and using method of a voice wake-up hybrid model and related equipment; during model training, a voice wake-up hybrid model is obtained through hybrid learningtraining of a voice separation network, a feature transformation network and a wake-up word detection network. When the model is used, an audio to be recognized is input into the voice wake-up hybridmodel, and the wake-up probability is directly obtained. When the wake-up probability is greater than the threshold, the wake-up word identified from a to-be-identified audio is judged. In a model training process, a first loss function obtained through the voice separation network and a second loss function obtained through the wake-up word detection network are weighted to obtain a comprehensive loss function, and weight parameters of the voice separation network, the feature transformation network and the wake-up word detection network are obtained through back propagation and learning according to the comprehensive loss function. Meanwhile, the networks are unified into one framework, and a joint optimization method is used, so that the model can learn optimal separation and wake-up network parameters at the same time, and the wake-up rate is effectively improved.

The invention provides a voice wake-up method and device and an intelligent device. The method comprises steps as follows: whether received input voice is a target wake-up word is judged by a preset user wake-up model; if not, whether the input voice is the target wake-up word is judged by a pre-trained universal wake-up model; if yes, wake-up is executed; the user wake-up model is constructed bywake-up voices recorded by a user, and the universal wake-up model is obtained by training the collected wake-up corpora. On the basis of the universal wake-up model, the added user wake-up model is constructed by the wake-up voices recorded by the user, so that when a product is used, successful wake-up can be realized by the model under most conditions, if the successful wake-up cannot be realized by the model, the universal wake-up model is adopted for judgment, and the successful wake-up is guaranteed. Therefore, by means of combination of the user wake-up model and the universal wake-up model, the wake-up rate can be increased, and the use experience of the user is improved.

The embodiment of the invention discloses an application awakening method and device, a storage medium and electronic equipment. The electronic equipment comprises two microphones and can collect twochannels of audio data and obtain data of background audio played during audio collecting through the two microphones; then the two channels of audio data are subjected to echo cancellation processingaccording to the background audio data so as to cancel self-noise; then the two channels of audio data subjected to echo cancellation are subjected to beam forming processing so as to cancel externalnoise, and the enhanced audio data are obtained; and then text features and voiceprint features of the enhanced audio data are subjected to two-stage verification, when two-stage verification is passed, voice interaction application is awakened, and thus voice interaction between the electronic equipment and a user is achieved. Thus, interference of the self-noise and the external noise can be removed, verification accuracy is guaranteed through two-stage verification, and the purpose of increasing the awakening rate of the voice interaction application is achieved.

The invention provides voice equipment and a control method, device and equipment thereof, and a storage medium. The method comprises the following steps of acquiring wake-up failure frequency of thevoice equipment in a preset time period, if the wake-up failure frequency is greater than or equal to a first preset frequency, reducing a wake-up threshold corresponding to wake-up information of thevoice equipment, if the wake-up failure frequency is smaller than or equal to a second preset frequency, increasing a wake-up threshold corresponding to wake-up information of the voice equipment, and if the wake-up failure frequency is less than the first preset frequency and greater than the second preset frequency, maintaining a wake-up threshold corresponding to wake-up information of the voice equipment, thereby realizing automatic adjustment of the wake-up threshold of the voice equipment in any usage scenario of the user and in the speaking volume of the user habit. By adopting the technical scheme of the invention, the wake-up rate of the voice equipment can be improved at a relatively low false wake-up rate.

The invention discloses a voice interaction and voice wake-up detection method and device, equipment and a storage medium. The method comprises the steps of analyzing the voice input of a user; and adjusting parameters related to the voice interaction based on an analysis result. The method can be used for voice interaction after the equipment is awakened, for example, voice characteristics such as voice speed, volume, tone and timbre of voice input of a user can be analyzed, and the emotional state of the voice input of the user can also be analyzed. Based on the analysis result, the relatedparameters of the voice output fed back to the user can be correspondingly adjusted to improve the interaction experience of the user. The method can also be used for voice wake-up detection, under the condition that a wake-up detection result is lower than a current wake-up threshold value, the parameter of the wake-up threshold value can be lowered, for example, the wake-up threshold value can be lowered in the next period of time, and therefore the wake-up success rate in the next period of time can be increased, and the wake-up experience of a user can be improved.

Embodiments of the invention disclose a voiceprint awakening method. The voiceprint awakening method comprises the following steps of: determining a preset awakening parameter matched with a current scene according to a preset condition, wherein the preset awakening parameter comprises a preset awakening threshold and a preset voiceprint threshold; receiving an input voice signal; determining theawakening value and voiceprint feature of the voice signal; and under the condition that the awakening value is greater than the preset awakening threshold and the voiceprint feature is greater than the preset voiceprint threshold, awakening a to-be-awakened application. The embodiments of the invention further provide a voiceprint awakening device, voiceprint awakening equipment and a storage medium.

The invention provides a wake-up model updating method. The method comprises the following steps of: separating a command word and a wake-up word in original voice data; determining the probability ofcommand words according to the language model, and deleting the command words with the probability lower than a first threshold value in the command words; and inputting the wake-up word into a wake-up model, determining a score output by the wake-up model, and deleting the wake-up word with the score lower than a second threshold value in the wake-up word. Therefore, the built wake-up model withhigher false wake-up probability is updated, command words and wake-up words are screened respectively, and the wake-up words are closer to preset wake-up words by eliminating false wake-up data or distortion data. Meanwhile, the command words serve as training data, the number of the training data is guaranteed, and the false awakening probability of the updated awakening model is lower.

The embodiment of the invention discloses an audio data storage method and device, a terminal and a storage medium, and belongs to the technical field of terminals. The method comprises the followingsteps: acquiring audio data acquired by a microphone; recognizing the audio data through a k-level voice wake-up recognition model, wherein the voice wake-up recognition models of different levels correspond to different recognition dimensions, the recognition results are used for representing recognition passing conditions of the audio data on the corresponding recognition dimensions, and k is aninteger larger than or equal to 2; and storing the audio data to a first storage area according to the recognition result, wherein the first storage area is used for storing the audio data passing through the at least one stage of voice wake-up recognition model. According to the method and the device, the reason of wakeup failure, namely which level of recognition dimension fails, can be accurately positioned, so that the reason of wakeup failure can be accurately analyzed and optimized, and the wakeup rate in a voice wakeup scene is further improved.

The invention discloses a self-defined awakening method and device applied to intelligent voice equipment. The method comprises the steps of receiving a registration text set by a user and collectingregistration voice of the user; computing a registration awakening threshold based on the registration text; computing a registration awakening score of the registration voice based on a universal awakening model, and judging that whether the registration awakening score is more than the registration awakening threshold or not; if the registration awakening score is more than or equal to the registration awakening threshold, aligning the registration voice with the registration text, and extracting a voice segment corresponding to each character in the registration text; and extracting a Gaussian posterior feature of the voice segment corresponding to each character, and generating a feature template of the whole registration voice based on the Gaussian posterior feature of each voice segment. According to the scheme provided by the method and the device, the quality of input voice can be optimized in a registration stage, so that the system can be much finer in a score computing module, and finally, a mistakenly awakening rate of similar words also can be reduced while an awakening rate is improved.

The invention discloses a multi-carrier signal-based low-operand underwater acoustic wake-up method, and the method comprises the following steps: constructing a corresponding multi-carrier signal for a communication node, performing absolute value summation on signals in a window at a receiving end to perform signal arrival detection, performing multiple times of frequency point detection on the signals by using real number fast Fourier transform, and realizing the wake-up detection. The method is suitable for accurate awakening of any distance within the maximum communication distance of the two underwater acoustic nodes, is small in operand, and is suitable for a low-power-consumption single chip microcomputer. The communication machine can be in a low-power-consumption dormant state underwater for a long time.

The invention discloses an audio and video wake-up method, system and device, and a storage medium, which introduces a video mode to improve and enhance the performance of a wake-up system, can adapt to a wake-up task in a real complex scene, improves the wake-up rate, and improves the interaction experience. moreover, aiming at the characteristic that the audio and video multi-mode wake-up data volume is relatively small, the invention provides effective information which is obtained by using a cross-mode-based teacher-student model and migrating and utilizing abundant large-data-volume single-mode acoustic data training, so system performance loss caused by relatively small multi-mode audio and video wake-up training data volume is ameliorated, and the wake-up rate is improved.

The invention provides a voice wake-up method utilizing electronic equipment in a noisy environment. The voice wake-up method utilizes the electronic equipment with n groups of voice input components,and comprises a sound recording step, a recorded sound processing step, a wake-up judging step and a voice identifying step; the wake-up judging step particularly comprises: calculating wake-up parameters according to a second signal by a set method and judging whether the wake-up parameters belong to a set wake-up set; if the wake-up parameters belong to the set wake-up set, proceeding to the voice identifying step; and if the wake-up parameters do not belong to the set wake-up set, returning to the sound recording step, wherein the second signal is a preprocessed sound signal obtained in the recorded sound processing step, n is an integer which is not smaller than 2. The voice wake-up method has the advantages of simple and convenient steps, small calculation amount and high wake-up rate, and can solve a problem of excessively low voice wake-up rate in the noisy environment or when multiple people talk and a problem of insufficient accuracy of a positioning angle of a double-microphone sound source.

The embodiment of the invention provides a voice processing method and device, user equipment and an intelligent loudspeaker box. The method comprises the steps: acquiring, by the user equipment, voice information input by a user; and according to the voice information, sending control information to a paired intelligent sound box so that the intelligent loudspeaker box outputs corresponding response information according to the control information. According to the voice processing method and device, the user equipment and the intelligent loudspeaker box, voice information input by a user canbe acquired by the user equipment and according to the voice information, the control information corresponding to the paired intelligent loudspeaker box, therefore, the intelligent loudspeaker box can output corresponding response information according to the control information. When the intelligent loudspeaker box cannot acquire clear voice information, the user equipment can be used as a relay to control the intelligent loudspeaker box according to the acquired voice information, so that the awakening rate and the voice interaction performance of the intelligent loudspeaker box are improved, and convenience is provided for a user.

The invention provides an automobile three-screen intelligent cabin host system. The system comprises a full-lamination instrument display screen, a full-lamination central control touch screen and a full-lamination co-driver touch screen which are sequentially arranged on an automobile instrument desk side by side, and further comprises a connecting wire harness and an intelligent cabin host, the connecting wire harness comprises a host end connector and a screen end connector, the full-lamination instrument display screen, the full-lamination central control touch screen and the full-lamination co-driver touch screen are connected with the screen end connector, and the intelligent cabin host is connected with the host end connector. According to the invention, a multi-screen interaction mode with a large screen, high resolution, rich display content and finer display is used, and more intelligent and more comfortable experience can be given to a user in a cross-screen multi-screen interaction mode.

The invention provides an awakening method and device for intelligent vehicle-mounted equipment. The awakening method comprises the steps that voice and light ray change of the intelligent vehicle-mounted equipment in a preset range are collected at the same time; if the voice is collected, the collected voice frequency is converted into characters through a semantic parsing engine, the charactersare matched with preset awakening words, and when the characters are the awakening words through matching, the intelligent vehicle-mounted equipment is awakened; if light ray change of the intelligent vehicle-mounted equipment in the preset range is collected, the intelligent vehicle-mounted equipment is awakened. According to the awakening method, on the basis of voice awakening, the light sensation awakening technology is added, the awakening action of the device is simple, the awakening success rate is increased, and the use experience of a user is improved.

A voice wake-up method is applied to the field of voice interaction, and comprises the following steps: after a voice signal is received, extracting acoustic features of the voice signal, predicting posterior probabilities of the acoustic features on acoustic modeling units, and inputting the posterior probabilities into a preset evaluation model to obtain a first evaluation value, and inputting the posterior probability into a trained convolutional neural network model to obtain a second evaluation value, and judging whether to wake up or not according to the first evaluation value and the second evaluation value. The invention further discloses a voice wake-up device, electronic equipment and a storage medium. Whether wake-up words are contained in voice signals or not is judged by combining a two-stage wake-up mechanism, the influence on a result by only adopting a single model is prevented, and the wake-up rate is increased and the false wake-up rate is reduced under the conditionof ensuring low power consumption.

The embodiment of the invention discloses a voice wake-up method and device, an apparatus and a storage medium. The method comprises the following steps of acquiring the voice information in real time, and identifying an environment type corresponding to the voice information; determining a target wake-up model from a preset wake-up model group according to the environment type corresponding to the voice information, the wake-up model group comprising at least two wake-up models, and different wake-up models corresponding to different environment types; and inputting the voice information intothe target wake-up model to detect a wake-up word, and executing a device wake-up operation when it is determined that the wake-up word is detected. By means of the technical scheme, the higher wake-up rate and the lower false awakening rate can be considered at the same time in different scenes.

The invention discloses a voice processing method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring voice information of a user, wherein the voice information comprises a first keyword; obtaining a preset keyword set according to the display state of a display screen of the electronic equipment, wherein the display state comprises a lockingstate and an unlocking state, and the preset keyword set comprises at least one second keyword; judging whether the preset keyword set comprises the second keyword which is the same as the first keyword or not; and if yes, executing an operation instruction corresponding to the first keyword. When the second keyword in the preset keyword set in the electronic equipment is the same as the first keyword, the electronic equipment is enabled to accurately execute the operation in the corresponding display state, and thus improving the wake-up rate of the electronic equipment.