Abstract: Techniques associated with structures for dynamically tuned audio in a media device are described, including receiving data associated with an acoustic output, determining a target frequency response associated with an audio device, the audio device implemented with a hybrid radiator formed using a smart fluid or artificial muscle material, determining a value associated with a property of the smart fluid or artificial muscle material, calculating, using a dynamic tuning application, a magnitude of an external stimulus associated with the value, and sending a control signal to a source, the control signal configured to cause the source to apply the external stimulus, an application of the external stimulus of the determined magnitude configured to change the property of the smart fluid or artificial muscle material.

Abstract: According to an aspect of some embodiments of the present invention there is provided a method of recording a signal from a headphone. The method may comprise instructing an audio processing integrated circuit of a client terminal to connect an electrical resistance component between an electrical ground of a client terminal and an electrical ground of one or more electro-acoustic output transducer of a headphone. The method may further comprise instructing the audio processing integrated circuit of the client terminal to accept as microphone input a signal from the one or more electro-acoustic output transducer of the headphone. The method may further comprise recording a signal from the one or more electro-acoustic output transducer of the headphone using the audio processing integrated circuit of the client terminal.

Abstract: A microphone comprises: a vibration member having a plate shape and formed so as to have elasticity and cause bending due to sound waves; a case having a depressed groove, which forms an air layer between the depressed groove and the vibration member since the vibration member is stacked on an upper part thereof, and coupled to the upper part of the depressed groove such that the vibration member is vibrated by sound waves; and a vibration detection unit provided on the vibration unit and the case and measuring the vibration of the vibration member vibrating by sound waves on the case, wherein when the vibration member vibrates, the air in the air layer flows so as to damp the vibration of the vibration member.

Abstract: A monaural intrusive speech intelligibility predictor unit comprises: first and second input units for providing time-frequency representations s(k,m) and x(k,m) of noise-free and noisy and/or processed versions of a target signal, respectively, k being a frequency bin index, k=1, 2, . . . , K, and m being a time index; first and second envelope extraction units for providing time-frequency sub-band representations of the signals sj(m) and xj(m), j being a frequency sub-band index, j=1, 2, . . .

Abstract: Methods for generating encoded audio programs indicative of N channels of discontinuity-corrected, encoded audio content, including by applying discontinuity correction values to multi-channel audio content, and for rendering such a program (e.g., to generate a discontinuity-corrected M-channel mix of content indicated by the program). Other aspects are systems or devices (e.g., encoders or decoders, or rendering systems) configured to implement any of the methods.

Abstract: A method comprises multichannel processing of an input audio signal by a multichannel convolution with a predefined imprint, the imprint being formulated by the capture of a reference sound by a set of speakers disposed in a reference space. The method further comprises selecting at least one imprint from among a plurality of imprints previously formulated in different sound contexts.

Abstract: An audio output device and an electronic device are provided. The audio output device includes a plurality of speakers, a terminal connected with a sound source providing device, and a cable connecting the plurality of speakers and the terminal. The cable includes a wire, a flexible element arranged surrounding a portion of the wire, and an insulation member forming an outer sheath of the cable. The flexible element includes a first flexible electrode and a second flexible electrode, and a capacitance of the flexible element changes as the flexible element is deformed.

Abstract: A system for generating calibrated multi-channel non-coherent signals. The system comprises a plurality of synthesizers for generating a corresponding plurality of signals, and a plurality of filters for band-pass filtering the plurality of generated signals. Each filter filters the signal generated by one of the plurality of synthesizers, by performing the band-pass filtering in a dedicated frequency band. The system comprises a plurality of loudspeakers for playing the plurality of filtered signals respectively filtered by the plurality of filters. The system comprises a channel configurator for configuring at least one of the filters for performing the band-pass filtering according to a calibrated amplitude spectrum of the signal.

Abstract: An apparatus includes a receiver configured to receive at least one encoded signal that includes inter-channel bandwidth extension (BWE) parameters. The device also includes a decoder configured to generate a mid channel time-domain high-band signal by performing bandwidth extension based on the at least one encoded signal. The decoder is also configured to generate, based on the mid channel time-domain high-band signal and the inter-channel BWE parameters, a first channel time-domain high-band signal and a second channel time-domain high-band signal. The decoder is further configured to generate a target channel signal by combining the first channel time-domain high-band signal and a first channel low-band signal, and to generate a reference channel signal by combining the second channel time-domain high-band signal and a second channel low-band signal. The decoder is also configured to generate a modified target channel signal by modifying the target channel signal based on a temporal mismatch value.

Abstract: Among other things, one or more non-transitory machine-readable media storing instructions are described. The stored instructions are executable by one or more processing devices to perform operations comprising analyzing an effect of noise in a spatial unit on sound in the spatial unit, at least part of the sound being produced by audio signals; selecting an adjustment curve among a group of adjustment curves based on one or more characteristics of the noise; and determining an amount of adjustment to be made to the audio signals based on the analyzed effect and the selected adjustment curve.

Abstract: A three-dimensional (3D) audio reproducing method and apparatus is provided. The 3D audio reproducing method may include receiving a multichannel signal comprising a plurality of input channels; and performing downmixing according to a frequency range of the multichannel signal in order to format-convert the plurality of input channels into a plurality of output channels having elevation.

Abstract: An audio and display system comprising a housing having an interior region, at least one audio speaker positioned within the interior region, and a display coupled to the housing. The display includes a frame coupled to the housing, the frame having a plurality of mounting members, wherein at least two adjacent mounting members of the plurality of mounting members are spaced apart by a first distance, a plurality of support members coupled to the mounting members of the frame, wherein at least two adjacent support members of the plurality of support members are spaced apart by a second distance, and a plurality of light-emitting elements coupled to each of the plurality of support members, wherein the display module is substantially acoustically transparent.

Abstract: A system for selecting a loudspeaker based on its low frequency rendering. The system comprises a plurality of synthesizers for generating a corresponding plurality of signals. The system comprises a plurality of filters for band-pass filtering the plurality of generated signals. Each filter filters the signal generated by one of the plurality of synthesizers. Each filter is configured for performing the band-pass filtering in a dedicated frequency band. The system comprises a plurality of loudspeakers for playing the plurality of filtered signals. Each loudspeaker plays the signal filtered by one of the plurality of filters. The system comprises a channel configurator for selecting one among the plurality of loudspeakers based on a reference amplitude spectrum of a model signal and a low frequency response of each one of the plurality of loudspeakers.

Abstract: An audio identification system determines whether a portion of a sample of an audio signal includes silence and generates a test audio fingerprint for the audio signal based on the presence of silence. In one embodiment, the audio identification system uses a value indicating silence for a portion of the test audio fingerprint corresponding to the portion of the audio signal that includes silence. When comparing the test audio fingerprint to reference audio fingerprints, the portion of the test audio fingerprint including the value indicating the presence of silence is not used. In another embodiment, the audio identification system replaces the portion including silence with additive audio and generates a test audio fingerprint for comparison based on the resulting modified sample.

Abstract: An electronic device in accordance with a particular embodiment of the present technology includes a rigid covering substrate, an acoustic port extending through the covering substrate, an acoustic transducer carried by the covering substrate, and another electronic component (e.g., a touch sensor or an antenna) also carried by the covering substrate. The electronic device can also include processing circuitry and an array of electrodes through which the acoustic transducer and the other electronic component are electrically connected to the processing circuitry. The array of electrodes can be part of a flexible circuit board extending between a contact region of the covering substrate and the processing circuitry. The transducer lead can extend between a region of the covering substrate including the acoustic port and the contact region.

Abstract: A set of headphones includes a connector with a first connection contact and a second connection contact as well as a loudspeaker, which is connected to the first connection contact in order to supply a loudspeaker signal. The set of headphones also includes a first and a second digital microphone, each of which is set up to generate a digital microphone signal, in particular with a binary bit stream. A multiplexer, which is coupled, at an output, to the second connection contact, is set up to generate a coded multiplex signal at the output on the basis of the microphone signals.

Abstract: The present disclosure relates to an apparatus, method, system and computer program for amplifying an audio signal derived from an audio signal pickup device, the pickup device having a pickup frequency response profile. The apparatus includes: an amplifier having a maximum open loop frequency response profile in a first frequency range including at least mid-range audible frequencies, the amplifier being configured to apply, in at least the first frequency range, a frequency response profile to the audio signal; wherein the frequency response profile applied to the audio signal is configured such that: it equalises the pickup frequency response profile over the first frequency range, and a difference between a maximum amount of gain able to be applied by the amplifier and an amount of gain applied to the audio signal by the amplifier is substantially constant throughout the first frequency range.

Abstract: A mobile terminal and a control method thereof are disclosed. A mobile terminal according to an embodiment of the present invention comprises: a sound output unit which outputs a sound corresponding to reproduction of a content; a setting unit which includes a plurality of noise blocking levels and sets at least one noise blocking level on the basis of a user input; and a control unit which, when the content is reproduced, blocks surrounding noise according to the set noise blocking level and, when a specific event is detected, adjusts the already set noise blocking level such that the degree of surrounding noise blocking is changed according to the detected specific event.

Abstract: A volume controller may maintain a volume mapping including a plurality of zones of volume level, each zone defined according to a range of included volume levels and specifying a volume ramp up control rate and a volume ramp down control rate for adjustment of volume levels within the range, determine, according to the volume mapping based on a current volume level and a direction of a requested volume change, a step value for adjusting the current volume level, and adjust the current volume level according to the step value.

Abstract: A loudspeaker array includes a MEMS loudspeaker with a diaphragm deflectable along a Z axis; a printed circuit board having a first cavity housing an ASIC electrically connected to the MEMS loudspeaker; and a sound-conducting channel disposed adjacent to the MEMS loudspeaker and having an acoustic outlet opening. The printed circuit board includes a second cavity having an opening, which is closed by the MEMS loudspeaker, so that the second cavity forms at least a part of a cavity of the MEMS loudspeaker. The sound-conducting channel extends at an angle to the Z axis of the MEMS loudspeaker. The acoustic outlet opening is arranged on a side face of the loudspeaker array.