Abstract: An electronic device may include control circuitry that allows a user to listen to audio playing from an external speaker in the environment from the user's personal speaker device such as a pair of headphones, earbuds, or a personal loudspeaker. In response to receiving user input, the control circuitry may gather audio input from the environment with a microphone. The control circuitry may process the detected audio input to identify what audio track is currently playing from the external speaker and to determine which part of the audio track is currently playing. The control circuitry may then start playing the identified audio track from the user's personal speaker device in sync with the audio track playing from the external speaker. The electronic device may search music streaming platforms, public radio station information, and other public music content sources to anticipate and buffer upcoming songs.

Abstract: Disclosed are a method and apparatus for improving a signal-to-noise ratio of a microphone signal. The method includes: selecting a target microphone to be improved as a first microphone, and selecting a microphone whose signal-to-noise ratio is greater than a signal-to-noise ratio of the first microphone and exceeds a preset first threshold as a second microphone; and adding, by an adder, a voice signal of the first microphone and a voice signal of the second microphone in a case that a same voice signal is inputted, to obtain a first microphone signal whose signal-to-noise ratio has been improved.

Abstract: Methods of operating a system of nodes are provided. A method of operating first and second nodes that are in a system of nodes includes processing first data from a first plurality of sensors of the first node. The method includes controlling a first digital display of the first node in response to the processed first data. The method includes uploading the processed first data from the first node via the Internet. The method includes processing second data from a second plurality of sensors of the second node. The method includes controlling a second digital display of the second node in response to the processed second data. The method includes uploading the processed second data from the second node via the Internet. Each of the first and second nodes is attached to a utility pole, a light pole, a kiosk, or a motor vehicle. Related systems are also provided.

Abstract: Audio operating systems and related systems, methods, and devices are disclosed. A portable electronic accessory includes a microphone to receive audio inputs, a speaker to provide audio outputs, and control circuitry including a cellular data radio circuit and an application processor. The cellular data radio circuit is configured to communicate with a cloud server through a cellular data network. The application processor is configured to execute at least a portion of an audio operating system. The audio operating system is configured to host audio software applications provided by the cloud server. The audio software applications are configured to operate free from graphical user interface elements based at least in part on the audio inputs and the audio outputs. The cloud server includes one or more data storage devices including software application code for audio software applications to be hosted by an audio operating system (OS) of the portable electronic accessory.

Abstract: Electrical equipment includes a housing having a hole formed therein; a microphone positioned inside the housing and in the proximity of the hole; a loudspeaker; emitter means arranged to emit an emitted detection sound signal via the loudspeaker; and processor means arranged to acquire a received detection sound signal via the microphone, to detect in real time from the received detection sound signal whether a user's finger is or is not positioned on or in the immediate proximity of the hole, and if a finger is positioned on or in the immediate proximity of the hole to cause a predetermined action to be performed.

Abstract: An apparatus and method for pitch-shifting an audio signal with low complexity are disclosed. The method includes identifying a distance between an audio object included in the audio signal and a listener, checking whether the distance between the audio object and the listener decreases, and performing stepwise stretching pitch-shifting of repeatedly using at least one of frequency components of the audio signal when the distance between the audio object and the listener decreases.

Abstract: A task assigning method of adaptively assigning at least one operation task is applied for a task assigning device including a first electronic device and a second electronic device communicated with each other in a wireless manner. The task assigning method includes acquiring a first detection parameter of the first electronic device, and adjusting a task transmission rate from the first electronic device to the second electronic device in accordance with the first detection parameter.

Abstract: The present disclosure relates to systems, methods, and non-transitory computer-readable media that present spatial audio using the speakers of a wearable audio device and speakers external to the wearable audio device. In particular, in one or more embodiments, the disclosed systems generate spatial audio having a high-frequency component and a low-frequency component. The disclosed systems further generate cross-talk cancellation filters for the low-frequency component of the spatial audio. The disclosed systems can provide the high-frequency component for presentation via speakers of the wearable audio device and the low-frequency component for presentation via the external speakers using the cross-talk cancellation filters. In some cases, the disclosed systems generate the spatial audio or the cross-talk cancellation filters using a personalized interaural display model and/or head-related transfer functions.

Abstract: The present disclosure relates to the wireless communication of information for a hearing assistance device including a multi-mode radio adapted to provide communications at different frequencies using frequency control. In applications of hearing aids, the processor is adapted to perform correction of sound for a hearing impaired user. In certain examples the present subject matter provides an inductive portion for inductive communications. In various applications the multi-mode radio can be used for long range and short range communications.

Abstract: A reference microphone for detecting noise is located under a first duct. The noise is in the form of a first plane wave in the first duct. A speaker is located on a top of the first duct. Connected to an upper part of the first duct is a second duct including an error microphone. The first plane wave in the first duct passes through an acoustic path and reaches the second duct. The error microphone detects the sound, and the speaker outputs a second plane wave with an opposite phase for canceling the first plane wave.

Abstract: A microphone array system or microphone array unit for a conference system is provided that includes a front board, side walls and a plurality of microphone capsules arranged in or on the front board mountable on or in a ceiling of a conference room. The microphone array system or unit is adapted for generating a steerable beam within a maximum detection angle range. The microphone array system or microphone array unit includes a processing unit which is configured to receive the output signals of the microphone capsules and to steer the beam based on the received output signal of the microphone array. The processing unit is configured to control the microphone array to limit the detection angle range to exclude at least one predetermined exclusion sector in which a noise source is located.

Abstract: In some implementations, an output of a first channel of an echo cancellation variable filter having an output of a first microphone output from a second speaker as an input is added to an output of a second microphone. An echo cancellation coefficient updating unit updates the filter coefficient of the first channel so that the error that is the output of a second adder is minimized. Using the output of the second channel that uses the output of a sound source device output from the first speaker as an input and shares the filter coefficient with the first channel as a reference signal, and the output of the second microphone as an error, the noise cancellation coefficient updating unit updates the filter coefficient of the noise cancellation variable filter that generates a noise-canceling sound to be output from the output of the sound source device to the second speaker.

Abstract: An earphone case is for storing a wireless earphone body, and includes a case body and a case cover. A top face and a side face of the case body each have an accommodating groove, the accommodating groove in the top face is configured to be fitted with an ear bud of the wireless earphone body, and the accommodating groove in the side face is configured to be fitted with a stem of the wireless earphone body. The case body is provided with a magnetic member for attracting the wireless earphone body.

Abstract: A method (900) for rendering audio in a virtual reality rendering environment (180) is described. The method (900) comprises rendering (901) an origin audio signal of an origin audio source (113) of an origin audio scene (111) from an origin source position on a sphere (114) around a listening position (201) of a listener (181). Furthermore, the method (900) comprises determining (902) that the listener (181) moves from the listening position (201) within the origin audio scene (111) to a listening position (202) within a different destination audio scene (112). In addition, the method (900) comprises applying (903) a fade-out gain to the origin audio signal to determine a modified origin audio signal, and rendering (903) the modified origin audio signal of the origin audio source (113) from the origin source position on the sphere (114) around the listening position (201, 202).

Abstract: In one implementation, a method of transforming a sound into a virtual sound for a synthesized reality (SR) setting is performed by a head-mounted device (HMD) including one or more processors, non-transitory memory, a microphone, a speaker, and a display. The method includes displaying, on the display, an image representation of a synthesized reality (SR) setting including a plurality of surfaces associated with an acoustic reverberation property of the SR setting. The method includes recording, via the microphone, a real sound produced in a physical setting. The method further includes generating, using the one or more processors, a virtual sound by transforming the real sound based on the acoustic reverberation property of the SR setting. The method further includes playing, via the speaker, the virtual sound.

Abstract: An audio playback method includes the following steps: receiving an ultrasound signal via a microphone; processing the ultrasound signal to obtain a characteristic value of the ultrasound signal; obtaining time lag information based on the characteristic value; and controlling audio delay according to the time lag information.

Abstract: An advanced acoustic awareness platform configured to classify environmental sounds. The advanced acoustic awareness platform comprises an audio signal acquisition sensor array and one or more processors programmed to augment the audio signal, extract features for the audio signal, visualize, and classify the signal using one or more labels. In at least one embodiment, the signal is classified based on transfer learning associated with a pretrained machine learning model.

Abstract: An in-ear device is implemented as part of an audio system to present a user with improved audio content within an artificial reality system. The in-ear device is a fully integrated device with an internal microphone, an external microphone, and a transducer in which portions of the transducer form portions of the body of the device. This integration of transducer into the body of the in-ear device reduces the size of the in-ear device and allows for placement deeper within the ear canal of the user. The transducer generates audio content based on instructions received from an audio system that may be located on a device that is external to the in-ear device. The external microphone provides hear-through functionality, while the internal microphone provides feedback information to the audio system.

Abstract: An earphone device includes a speaker unit, an inner housing body and an outer housing body. The inner housing body covers the speaker unit through an insert molding technique. The outer housing body covers the inner housing body through the insert molding technique.

Abstract: Methods, systems, and program products for generating a virtual studio are disclosed. In one embodiment a method includes processing image information for at least one pinna of a user to generate a head-related transfer function (HRTF) profile of the user. A studio model that includes a studio-specific acoustic profile is accessed such as by a virtual studio client application executing on a laptop. An audio configuration of the studio model is selected based on the studio-specific acoustic profile. An audio media source is activated and the audio configuration is applied in combination with the HRTF profile of the user to audio generated by the audio media source.