Abstract: An active sound design (ASD) tuning device and a method thereof may include an ASD device that generates a virtual engine sound for each vehicle situation and a control device that outputs a composite sound by correcting and synthesizing the virtual engine sound and an internal sound measured for each vehicle situation based on a binaural vehicle impulse response (BVIR).

Abstract: A loudspeaker device comprising a loudspeaker unit comprising a diaphragm with a first and second surface (such as the front and rear surface of the diaphragm, respectively) and an enclosure in which the loudspeaker unit is mounted such that the first surface of the diaphragm is in acoustic communication with the surroundings of the loudspeaker device. The device further comprises an internal cavity formed in the enclosure and being in acoustic communication with the surroundings of the loudspeaker device via an acoustic element. In the device, the second surface of the diaphragm is in acoustic communication with the internal cavity. The acoustic element can be varied between a state in which sound energy generated by the loudspeaker unit in the internal cavity can be emitted to the surroundings via the acoustic element and a state in which sound energy is substantially prevented from entering the surroundings via the acoustic element.

Abstract: In order to achieve a music providing system capable of controlling the behavioral state of a non-human animal using music, this music providing system for a non-human animal is provided with: a state information acquisition unit for acquiring state information relating to the motion state of an animal of interest; a state estimation processing unit for estimating the current behavioral state of the animal of interest from the state information; a target state storage unit for storing information relating to a target behavioral state for the animal of interest; a sound source storage unit for storing multiple music information pieces; a music information selection unit for detecting the degree of divergence of the current behavioral state from the target behavioral state and selecting one specific music information piece on the basis of the multiple music information pieces stored in the sound source storage unit; and a music information output unit for outputting the specific music information by wireless co

Abstract: A method of multi-talker separation using a 3-tuple coprime microphone array, including generating, by a subarray signal processing module, a respective subarray data set for each microphone subarray of the 3-tuple coprime microphone array based, at least in part, on an input acoustic signal comprising at least one speech signal. The input acoustic signal is captured by the 3-tuple coprime microphone array. The 3-tuple coprime microphone array includes three microphone subarrays. The method includes determining, by the subarray signal processing module, a point by point product of the three subarray data sets; and determining, by the subarray signal processing module, a cube root of the point by point product to yield an acoustic signal output data. The acoustic signal output data has an output amplitude and an output phase corresponding to an input amplitude and an input phase of a selected speech signal of the at least one speech signal.

Abstract: An unistructurally formed acoustic speaker cone unit includes (a) a suspension ring with at least one continuous loop rib; (b) a central dome-shaped cone with thin, arcuate pie-shaped segments which radiate outwardly, and with a plurality of arc ribs; and (c) a main diaphragm having a plurality of segments radiating outwardly and extending to the suspension ring. Each main diaphragm segment has an arcuate cross-section, thereby creating a concave side and a convex side. The central cone segments are preferably equal in number to the diaphragm segments and are in alignment therewith.

Abstract: A rear side of a vibration part of a speaker is covered by a cover member, and a duct is provided at the cover member. The cover member has a recessed portion, and an air flow path is formed inside the recessed portion. A circuit part is mounted on an outer surface of the cover member, and a heat sink provided in the air flow path is connected to the circuit part to allow heat conduction. Due to vibration of the vibration part, an airflow in the air flow path is accelerated and thus the effect of dissipating heat from the heat sink is increased.

Abstract: A stereo encoding method and apparatus, and a stereo decoding method and apparatus are disclosed. The stereo encoding method includes: performing downmix processing on a left channel signal of a current frame and a right channel signal of the current frame, to obtain a primary channel signal of the current frame and a secondary channel signal of the current frame; and when determining that a frame structure similarity value falls within a frame structure similarity interval, performing differential encoding on a pitch period of the secondary channel signal by using an estimated pitch period value of the primary channel signal, to obtain a pitch period index value of the secondary channel signal, where the pitch period index value of the secondary channel signal is used to generate a to-be-sent stereo encoded bitstream.

Abstract: Aspects of the present disclosure provide methods and apparatuses for determining a nozzle of an audio device is, at least partially blocked. More specifically, based on a measured transfer function between the driver and a microphone and an expected transfer function between the driver and the microphone, a blockage is detected. In response to the detected blockage, the user is notified.

Abstract: A transducer includes a base, beams, and a coupler. The beams each include a piezoelectric layer, a first electrode layer, and a second electrode layer. The coupler is fitted in slits between adjacent beams to define a connection between the beams. The coupler extends from an upper portion of the base into each of the slits without a break. A Young's modulus of the material of the coupler is lower than a Young's modulus of the material of the piezoelectric layer. A maximum thickness of the coupler in the upper portion of the base in the direction of the central axis of the base is greater than a thickness of each of the beams.

Abstract: Disclosed herein, among other things, are methods and apparatus for own-voice sensing in hearing assistance devices. One aspect of the present subject matter includes an in-the-ear (ITE) hearing assistance device adapted to process sounds, including sounds from a wearer's mouth. According to various embodiments, the device includes a hollow plastic housing adapted to be worn in the ear of the wearer and a differential sensor mounted to an interior surface of the housing in an ear canal of the wearer. The differential sensor includes inlets located within the housing and the differential sensor is configured to improve speech intelligibility of sounds from the wearer's mouth, in various embodiments.

Abstract: An example embodiment may involve determining that a client device (such as a smartphone, tablet, or in-automobile audio device) is in an automobile and that the client device has access to a playlist of audio content. Possibly based on the client device being in the automobile and having access to the playlist of audio content, the client device may request a stream of the audio content. As a consequence of making the request, the client device may receive the stream of the audio content and begin audible playout of the audio content.

Abstract: An electrodynamic actuator for a speaker or an electrodynamic acoustic transducer in general is disclosed, which comprises at least one voice coil, a magnet system and an arm arrangement of a plurality of arms connecting the at least one voice coil and the magnet system or at least a movable part thereof so that a relative movement between these parts is allowed. The arms are made of a metal core, which at least partly is coated with a coating structure having at least one coating metal layer consisting of a different material than the metal core.

Abstract: The present disclosure describes thermal mitigation for an electronic speaker device and associated systems and methods. The thermal mitigation includes monitoring several thermal zones to determine or estimate thermal conditions in corresponding parts of the electronic speaker device. The thermal zones may include a System-on-Chip (SoC) integrated circuit (IC) component, audio components including power-dissipating IC components, and a temperature of an exterior surface of a housing component of the electronic speaker device. To mitigate thermal runaway, different throttling schemes may be triggered based on the thermal zones exceeding certain thermal limits. The throttling schemes may include reducing the amount of power supplied to the SoC, reducing audio power of the audio components to a lower wattage, or manipulating SoC cores such as by disabling one or more of the cores or adjusting utilization of the SoC cores.

Abstract: A double-sided vibrating speaker includes a magnet member, a first vibration member and a second vibration member. The magnet member has a main magnetic unit, a first magnetic unit and a second magnetic unit, the main magnetic unit has a main magnetic plate and two side magnetic plates, the main magnetic plate has air vents, each the side magnetic plate is provided on two sides of the main magnetic plate, the main magnetic unit forms an H-shape. The first vibration member is disposed on one surface of the magnet member, the second vibration member is disposed on another surface of the magnet member.

Abstract: Provided is an electronic apparatus including a display, a frame supporting the display, and at least one actuator disposed at a rear side of the frame, the display vibrates based on driving of the at least one actuator to emit an acoustic signal to an outside, the frame includes a first portion and the and a second portion surrounding at least a part of the first portion, and the first portion and the second portion are formed of different materials. Various other embodiments are possible.

Abstract: Disclosed is a method and a hearing device for audio transmission. The hearing device is configured to be worn by a user. The hearing device comprises a first earphone comprising a first speaker. The hearing device comprises a second earphone comprising a second speaker. The hearing device comprises a virtual sound processing unit connected to the first earphone and the second earphone. The virtual sound processing unit is configured for receiving and processing an audio sound signal for generating a virtual audio sound signal. The virtual audio sound signal is forwarded to the first and second speakers, where the virtual audio sound appears to the user as audio sound coming from two virtual speakers in front of the user. The hearing device further comprises a first primary microphone for capturing surrounding sounds to provide a first surrounding sound signal based on a first primary input signal from the first primary microphone.

Abstract: A micro-electro mechanical device includes a casing, a vibration sensor, a vibration membrane assembly, and a micro-electro mechanical microphone. The casing has a sound-receiving hole, and the vibration sensor is disposed in the casing. The vibration membrane assembly is disposed in the casing and corresponds to the vibration sensor. The micro-electro mechanical microphone is disposed in the casing and corresponds to the sound-receiving hole, and a back cavity of the micro-electro mechanical microphone is formed in the casing. The back cavity at least partially overlaps with areas corresponding to a vertical projection of the vibration membrane assembly.

Abstract: A hearing assistance device, including a housing, a receiver, and a cable, is provided. The housing has an ear hook and a first contour arc. The cable faces the ear hook, penetrates the housing, and connects to a receiver.

Abstract: Some disclosed systems and methods include assigning channel streams to satellite playback devices, delaying initial transmission of surround sound content to satellite playback devices to accumulate audio samples for transmission in individual frames of surround sound content, and taking advantage of configured playback delays for different channels of surround sound content to prioritize transmission of channels of surround sound content having shorter configured playback delays over transmission of channels of surround sound content having longer configured playback delays.

Abstract: A method assists in playing sound of a graphical representation for an electronic communication between a first person with a first portable electronic device (PED) to a second person with a second PED. The method displays a first visual indication that when selected plays the sound of the graphical representation in stereo or mono sound and a second visual indication that when selected plays the sound of the graphical representation in binaural sound.