499results about "Digital recording/reproducing" patented technology

The invention discloses an artificial intelligence automatic response conference assistant, and particularly relates to the technical field of intelligent video conferences. The system comprises a user interface used for displaying conference information, function options and execution results, a large language model used for natural language processing and understanding, and a language recognition module used for converting voice input into characters to achieve real-time conference recording and voice instruction recognition. By means of friendly user interface design, conference information, function options and execution results can be visually displayed, a user can easily operate and master the whole conference process, the voice recognition module adopts a high-quality recording module, voice content in a conference is accurately transferred into characters in real time, and the user experience is improved. The completeness and the accuracy of conference records are ensured, the large language model further performs semantic understanding and processing on the transferred text, intelligent conference abstracts and responses are generated, a user is helped to rapidly obtain key information, and the postprocessing module automatically sends the abstracts to a user mailbox to achieve the purpose of meeting. Or the system is automatically integrated to an online office system of a user, so that a lot of time and energy are saved.

The present invention discloses an audio recording and conversion method for a Bluetooth headset, specifically related to the field of audio recording and conversion. The present invention pairs and connects with the Bluetooth headset by turning on the Bluetooth function of the sound source device; subsequently, the recording process is started by pressing the "Recording" button on the headset, and the system guides the user to select the audio format and confirm the recording settings; during recording, the built-in microphone of the headset collects audio signals in real time, denoises and amplifies the collected audio signals, and then converts the processed audio signals into digital signals; the processed digital signals are embedded with watermarks, and the watermark evaluation value is calculated, and the watermark is verified by comparing the watermark evaluation value; then, the digital signals are converted into analog signals and reconstructed into audio signals, and finally, the system performs watermark detection on the reconstructed audio signals, and ensures the integrity and authenticity of the audio signal data by comparing the detected watermark information.

An audio output system comprising: an audio output device configured to output different pieces of audio content in accordance with sound figures; a user device configured to control the audio output device through an application; and a shadow device connected to the user device and the audio output device through communication networks, respectively, and configured to store control information for the user device to control the audio output device, wherein the control information includes current state information that represents a current state related to an output of the audio content of the audio output device and specific state information for changing the state of the audio output device to a specific state desired by a user, and wherein the user device is configured to be provided with the current state information that represents the current state from the shadow device and to provide the specific state information for changing the state of the audio output device to the specific state to the shadow device.

The invention relates to the technical field of digital playing equipment, and provides a lossless control method for the volume of a digital player and the digital player. The method comprises the following steps of: after receiving a target volume parameter, executing dynamic multiplying power oversampling and high-order noise shaping on an input digital audio signal, and injecting preset jitter to suppress in-band quantization distortion so as to generate an optimized digital audio stream; meanwhile, a high-resolution digital reference current control instruction corresponding to the target volume is independently generated, output of a reference current source is adjusted according to the high-resolution digital reference current control instruction, and a high-precision differential current signal is obtained by combining nonlinearity, temperature excursion and quantization errors of a closed-loop feedback compensation device through a multi-bit current segmentation network; performing bias stabilization processing on the signal, and converting the signal into a differential voltage signal for suppressing common-mode noise through a precision differential resistance network; and finally, low-distortion differential analog audio signals capable of directly driving a load are output through low-distortion gain, impedance conversion and power driving, so that low-distortion, high-signal-to-noise-ratio and wide-dynamic-range output in a full-volume range is realized.

According to one embodiment, a magnetic reproducing processing device includes a decoder and an error correction decoder. A first signal based on a reproduced signal is input to the decoder. A signal based on a second signal output from the decoder is input to the error correction decoder. The error correction decoder is configured to correct errors in the second signal based on a check matrix. The decoder includes a neural network layer. The neural network layer includes a plurality of calculation nodes. A connection relationship between the plurality of calculation nodes is based on the check matrix.

The invention relates to the technical field of audio playing, and discloses an audio playing method and device capable of keeping contexts continuous, equipment and a storage medium. Matching an audio context model conforming to a preset rule from a playing record database; analyzing the audio context model, and extracting audio playing state information and sound effect configuration information recorded in the audio context model; and adjusting the sound effect of the target playing device, and controlling audio playing according to the audio playing state information. Through the playing control mode, switching playing of multiple sound sources can be achieved, continuous playing after switching can also be achieved, and the problems that audio playing repetition is high after traditional switching, and the user experience feeling is reduced are solved.

The present technology relates to a signal processing device, a signal processing method, and a program for enabling reduction of a processing load while ensuring safety. The signal processing device includes a control unit configured to acquire designation information indicating a designated portion to be encrypted in output data and an encryption processing unit configured to encrypt the designated portion indicated by the designation information in the output data using a key. Furthermore, the designated portion indicated by the designation information is changed with time. The present technology can be applied to an in-vehicle camera.

The invention discloses an audio resampling method and device based on frequency domain processing. The method comprises the following steps: a time domain-to-frequency domain step: inputting an input signal with a first sampling rate, and carrying out overlapping framing, time domain windowing and FFT (Fast Fourier Transform) to obtain a first frequency spectrum under the first sampling rate; a sampling rate conversion step: normalizing the first frequency spectrum by taking the number of sample points of the input signal subjected to FFT as a parameter to obtain a normalized first frequency spectrum; constructing a second spectrum under a second sampling rate according to the first spectrum under the first sampling rate, wherein the spectrum resolutions of the second spectrum and the first spectrum are consistent; windowing the second frequency spectrum for smooth transition; and a frequency domain-to-time domain step: carrying out IFFT (Inverse Fast Fourier Transform) on the second frequency spectrum at the second sampling rate, overlapping and adding to obtain a corresponding time domain value at the second sampling rate. According to the method, high-quality resampling can be realized, and the method can be combined with other algorithms needing to be processed in the frequency domain to realize the purpose of resampling and other functions in one step, so that the computing power is saved.

To reduce a storage capacity and costs required upon response to a data acquisition request.SOLUTION: An information processor includes a control part 110 that executes: storing, into a storage part 120, an information index related to log data collected by a vehicle 200 and a storage destination of the log data linked to the information index; extracting, based on the information index with reference to the storage part 120, a first storage as a storage destination of first log data as log data to be acquired; and requesting the first log data from a device having the first storage. The information index includes information indicating a position where the log data is collected, and the information indicating the position where the log data is collected is expressed by a bit string based on a space filling curve.SELECTED DRAWING: Figure 2

To provide a digital broadcast receiver capable of executing functions with higher added value.SOLUTION: A digital broadcast receiver includes: a broadcast receiving unit capable of receiving digital broadcast content and control information about content protection of the content; an accumulation unit that accumulates the content received by the broadcast receiving unit; a video output unit that outputs video of the content received by the broadcast receiving unit or the content accumulated in the accumulation unit to an external apparatus; an interface that copies or moves the content accumulated in the accumulation unit to the external apparatus; and a control unit. The control unit controls content protection processing based on the control information related to content protection according to control states of the accumulation unit, video output unit, and interface by the control unit.SELECTED DRAWING: Figure 8A

Methods and apparatus to audio watermarking and watermark detection and extracted are described herein. An example method includes receiving a media content signal, sampling the media content signal to generate samples, storing the samples in a buffer, determining a first sequence of samples in the buffer, determining a second sequence of samples in the buffer, wherein the second sequence of samples is of substantially equal length as the first sequence of samples, calculating an average of the first sequence of samples and the second sequence of samples to generate an average sequence of samples, extracting an identifier from the average sequence of samples, and storing the identifier in a tangible memory.

A defense recorder system and mobile application-implemented process are disclosed. The defense recorder system and mobile application-implemented process combines GPS location to record in public areas when local laws state that audio recording is only legal in public areas. Single party consent states will not require the GPS function but will require the constant audio recording to be made in a loop, deleting the oldest of files automatically.

Example systems, data storage devices, and methods for using a harmonic sensor in the read channel of a data storage device to determine phase error are described. The data storage device includes a storage medium with data tracks and a head that can be positioned for reading and writing those tracks. A tone pattern may be written to a data track and a read signal from the tone pattern may subsequently be processed through the harmonic sensor to acquire amplitude data corresponding differences between a target frequency of the tone pattern and a read frequency from the read signal. The amplitude data may be processed to determine phase error values that correspond to an operating condition during writing, such as mode hops and / or down track thermal gradients related to operation of a laser during heat assisted magnetic recording.

To provide a signal processing device, a control method for the signal processing device, and a program capable of synchronizing time information with sound signals even when the sound signals do not contain time codes.SOLUTION: A signal processing device includes: signal processing means for processing a sound signal; measuring means for measuring a delay time caused by signal processing by the signal processing means based on first time information output from timing means and second time information output from the signal processing means; and synchronizing means for synchronizing the time information output from the timing means with the sound signal processed by the signal processing means based on the delay time measured by the measuring means.SELECTED DRAWING: Figure 1

The APPARATUSES, METHODS AND SYSTEMS FOR A DIGITAL CONVERSATION MANAGEMENT PLATFORM (“DCM-Platform”) transforms digital dialogue from consumers, client demands and, Internet search inputs via DCM-Platform components into tradable digital assets, and client needs based artificial intelligence campaign plan outputs. In one implementation, The DCM-Platform May capture and examine conversations between individuals and artificial intelligence conversation agents. These agents may be viewed as assets. One can measure the value and performance of these agents by assessing their performance and ability to generate revenue from prolonging conversations and / or ability to effect sales through conversations with individuals.

The present invention relates to a smartphone recorder. The smartphone recorder according to an embodiment of the present invention comprises: a case body comprising a front cover attachable to / detachable from the rear surface of a smartphone and a rear case which is coupled to the rear portion of the front cover and has an accommodation space therein; a magnet which attaches the front cover to the rear surface of the smartphone by using magnetism; an input unit which receives an input of speech information during making a call via the smartphone; and a recording portion which records the speech information input to the input unit.

An audio output system comprising: an audio output device configured to output sound content for auditory stimulation of infants and young children; a user device configured to control the audio output device; and a server connected to the user device and the audio output device through communication networks, respectively, and configured to provide a service environment for controlling the audio output device to the user device, wherein the audio output device includes an audio output station including a sound figure corresponding to the sound content and a docking space to which the sound figure is docked, and configured to recognize the sound figure docked to the docking space and to output the sound content corresponding to the recognized sound figure, wherein the service environment includes a function of changing the sound content corresponding to the sound figure, and wherein the server is configured to receive a request to change the sound content corresponding to the sound figure from the user device and to process the request to change the sound content corresponding to the sound figure in consideration of a state of the audio output device.

The invention relates to the field of audio data processing, in particular to a high-tone-quality audio data processing method and system. The method comprises the following steps: identifying an audio signal to be processed; performing multi-time-window segmentation processing and adaptive noise filtering on the audio signal to be processed to obtain a noise filtering optimized audio signal; performing multi-scale spectral decomposition on the noise filtering optimized audio signal, capturing transient audio details, and identifying transient audio detail information of each scale; performing audio frequency range calculation according to the transient audio detail information of each scale, and performing dynamic full-band range adjustment to obtain transient information full-band optimized audio; and carrying out environmental acoustic effect mining on the transient information full-band optimized audio, and carrying out current audio scene inference to obtain a real-time audio propagation scene. According to the invention, the space sense, the precision and the fidelity of the audio are improved.

The utility model discloses an intelligent touch pen system and an intelligent touch pen, the intelligent touch pen comprises a pen body, a recording module, a first Bluetooth module, a voice key and an artificial intelligence key, the recording module is used for receiving voice information; the first Bluetooth module is used for processing the voice information and then sending the voice information to the electronic terminal; the voice key is used for controlling the starting time and duration of the voice information received by the recording module; the artificial intelligence key is used for starting a first mode representing an artificial intelligence writing mode and controlling the starting time and duration of receiving voice information by the recording module in the first mode; the first Bluetooth module is further used for sending a first instruction representing starting of the first mode. Therefore, a user can use the intelligent touch pen to quickly call the artificial intelligence writing function of the electronic terminal, and quickly process the voice information recorded by the intelligent touch pen based on the artificial intelligence writing function, so that the daily office efficiency of the user is improved, and the man-machine interaction experience of the user is improved.

An electronic device according to an embodiment comprises a memory, a display, and a processor operatively connected to the memory and the display, wherein the processor may be configured to: collect speech data; match the collected speech data with user information related to the collected speech data and store, in the memory, association information between the collected speech data and the user information; when generating content, detect speech data of the content input that is input during generation of the content; and when there is user information matching with the detected speech data in the memory, store the user information matching with the detected speech data of the content as tag information of the content.

The embodiment of the invention discloses an audio data processing method, device and equipment and a readable medium, and the method comprises the steps: obtaining generated session audio data in a voice session process; for each audio frame in the session audio data, performing audio analysis on the audio frame to obtain an analysis result; and if the analysis result shows that the audio frames do not contain the sound information, discarding the audio frames, and generating an audio recording file corresponding to the voice session based on the residual audio frames in the session audio data. According to the technical scheme of the embodiment of the invention, the proportion of effective information in the audio recording file can be improved.

Techniques for enabling personalization of audio tracks include selecting a portion of an audio track that is representative of the audio category, creating an audio sample from the portion of the audio track, playing the audio sample for a user, and adjusting, based on an input from the user while the audio sample is playing, a personalization setting for the user to be used when playing back audio from the audio category.

Toy product (1) for recording audio and playing back audio recordings to infants, the product (1) comprising an internal pocket (2), an electronic device (3) and a strap (4) The pocket (2) having an opening (5) for allowing inserting the electronic device (3) inside of the pocket (2), the pocket (2) having at least two opposing walls (6) for encompassing the electronic device (3). The electronic device (3) comprising control circuits, a speaker, a microphone, a battery, a play / stop button, a record button, a memory and volume buttons, the strap (4) being removably attached to the electronic device (3) in such a way that the strap (4) is configured to extend around the periphery of the electronic device (3). The product (1) comprising at least two fastening arrangements (7) for removably attaching the electronic device (3) to the inside of the pocket (2), such that when the electronic device (3) is positioned in the pocket (2), the fastening arrangement (7) is not visible from the outside of the product (1) for preventing the infant from removing the electronic device (3) from the pocket (2).

The present disclosure improves techniques for analyzing dialog content. A method executed by an information processing device (1) provided with a control unit (10), an imaging unit (11), and an input unit (12), in which the control unit (10) executes an operation including: acquiring, via the input unit (12), an agreement of a customer with respect to a recording corresponding to the customer; after the agreement is obtained, recording is started; a worker detection unit (11) that detects a worker from the image of the imaging unit (11); and interrupting the recording when a predetermined condition is satisfied, the predetermined condition including a first condition in which the worker disappears from the image of the imaging unit (11).

A servo reproduction apparatus according to the present technology includes: a servo reproduction head. The servo reproduction head includes a first reproduction head portion and a second reproduction head portion. The first reproduction head portion reads a servo pattern recorded on a plurality of first servo bands, which are some of a plurality of servo bands in a magnetic tape including the plurality of servo bands. The second reproduction head portion reads a servo pattern recorded on a plurality of second servo bands, which are others of the plurality of servo bands.

An image processing apparatus comprises a receiver (201) for receiving an image signal which comprises at least an encoded image and a target display reference. The target display reference is indicative of a dynamic range of a target display for which the encoded image is encoded. A dynamic range processor (203) generates an output image by applying a dynamic range transform to the encoded image in response to the target display reference. An output (205) then outputs an output image signal comprising the output image, e.g. to a suitable display. The dynamic range transform may furthermore be performed in response to a display dynamic range indication received from a display. The invention may be used to generate an improved High Dynamic Range (HIDR) image from e.g. a Low Dynamic Range (LDR) image, or vice versa.

The invention relates to a method for controlling vehicle functions, in which noise in the interior of a vehicle is detected by means of at least one microphone (1) and / or at least the face of at least one vehicle occupant (3) is detected by means of at least one camera (2), wherein a computing unit (4) inside the vehicle processes sensor data generated by the microphone (1) and / or the camera (2) in order to control vehicle functions in accordance with information obtained from the processing of the sensor data, and wherein the computing unit (4) checks a camera image generated by the camera (2) for lip movements carried out by a vehicle occupant (3). The method according to the invention is characterized in that the computing unit (4) checks the acoustic signal generated by the microphone (1) for a singing sound (5) of at least one vehicle occupant (3) and / or compares the identified lip movement with a known lip movement pattern generated during singing, and when the computing unit (4) detects singing of the at least one vehicle occupant (3), determines the singing sound (5) of the at least one vehicle occupant (3). The computing unit (4) actuates the vehicle function.