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Method and apparatus to evaluate audio equipment via filter banks
A testing method or apparatus utilizes filter banks to measure time varying or dynamic harmonic distortion or intermodulation distortion. With a stairstep...
Delay unit for a conference audio system, method for delaying audio input
signals, computer program and...
A delay unit (16) for a conference audio system (1) adapted to delay audio input signals for an adjustable time delay, thereby generating audio output signals,...
Method and device for enhanced sound field reproduction of spatially
encoded audio input signals
A method for sound field reproduction into a listening area of spatially encoded first audio input signals according to sound field description data using an...
Audio output device capable of switching a sound field
An audio output device includes a housing, a speaker, a switching unit, a fixing component and a control unit. An opening is formed on the housing. The speaker...
Enhanced stereophonic audio recordings in handheld devices
Methods and systems are provided for enhanced stereo audio recordings in electronic devices. Stereophonic recording performance in an electronic device, using a...
Formatting audio-video information compliant with first transmission
format to second transmission format in...
Techniques and mechanisms for formatting digital audio-video ("AV") information. In an embodiment, interface logic includes circuitry to receive digital AV...
Audio localization using audio signal encoding and recognition
A positioning network comprises an array of signal sources that transmit signals with unique characteristics that are detectable in signals captured through a...
Low power audio trigger via intermittent sampling
Systems and methods may provide for using an audio front end of a mobile device to sampled audio from an audio signal during a first portion of a periodic...
Mobile device with an underwater communications system and method
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
Method and apparatus for improving audio reception in a paging device
A method (300) and apparatus (200) are provided for operating a portable pager. The method and apparatus eliminate channel noise between paging tones and voice...
System and method to detect close voice sources and automatically enhance
A system and method for enhancing two-way conversation between a user wearing at least one communication system or earphone and a second individual in proximity...
Adaptive transition frequency between noise fill and bandwidth extension
A method for spectrum recovery in spectral decoding of an audio signal, comprises obtaining (210) of an initial set of spectral coefficients representing the...
Adaptive speech filter for attenuation of ambient noise
According to a preferred aspect of the instant invention, there is provided a system and method that allows the user to attenuate ambient noise in speech...
Processing audio signals during a communication event
A method of processing audio signals during a communication session between a user device and a remote node, includes receiving a plurality of audio signals at...
Audio encoding/decoding based on an efficient representation of
Described is an encoder (50) for encoding a parametric spectral representation (f) of auto-regressive coefficients that partially represent an audio signal. The...
Audio data hiding based on perceptual masking and detection based on code
A spread spectrum data hiding for audio signals is described. A set of pseudo-random noise sequences is added to an audio signal according to a data to be...
Method and system for blind audio watermarking
A method and system for blind audio watermarking has been envisaged. The system embeds an in-audible watermark by modifying a predetermined singular value in...
Stereo parametric coding/decoding for channels in phase opposition
A method and apparatus for the parametric encoding of a stereo digital-audio signal. The method includes encoding a mono signal produced by downmixing applied...
Using multichannel decorrelation for improved multichannel upmixing
A system of linear equations is used to upmix a number N of audio signals to generate a larger number M of audio signals that are psychoacoustically...
The electronic device and a corresponding signal processing method disclosed herein reduces electromagnetic noise. To that end, the electronic device includes a...
Method of controlling an update algorithm of an adaptive feedback
estimation system and a decorrelation unit
An audio processing device comprises a feedback estimation system for estimating feedback from an output transducer to an input transducer, the feedback...
Apparatus and method for commercial transactions using a communication
An apparatus for effecting commercial transactions with a server using a transaction card via a communication device is provided. The apparatus includes a...
Auditory source separation in a spiking neural network
A method of audio source segregation includes selecting an audio attribute of an audio signal. The method also includes representing a portion of the audio...
Modifying a person's eating and activity habits
A system for managing the food intake of a person comprises means for collecting information about food consumed by the subject, and means for providing...
Systems and methods for program identification
Systems and methods are provided for program identification. For example, a first audio fingerprint corresponding to a first audio signal is acquired; whether...
Devices and methods for conveying audio information in vehicles
Various methods and devices for vehicles are provided, wherein directional output of sound is used. In some embodiments, speech signals assigned to different...
Apparatus for displaying, monitoring and/or controlling shower, bath or
sink faucet water parameters with an...
The present invention is a display apparatus for affixation to shower head, bath or sink faucet water supply piping or incorporated within a shower, or bath or...
System and method for variable decorrelation of audio signals
Various embodiments relate to a system and method for decorrelating an audio signal with a hybrid filter. The hybrid filter is generated by first generating a...
System for adjusting perceived loudness of audio signals
A method of adjusting a loudness of an audio signal may include receiving an electronic audio signal and using one or more processors to process at least one...
System for modifying an acoustic space with audio source content
An audio signal processing system is configured to separate an audio signal into a dry signal component and one or more reverberant signal components. The dry...
Audio level meter
A circuit for correcting the output of an audio level meter comprises input means for generating the square or the absolute value of an input signal, a low pass...
Sound level dosage system for vehicles
Audio systems for a vehicle and methods of operating an audio device in a vehicle cabin are provided. A method of operating an audio device directs an acoustic...
MRI safe actuator for implantable floating mass transducer
An implantable hearing prosthesis for a recipient patient is described. An implantable signal transducer includes one or more electromagnetic drive coils for...
Audio headset with automatic equalization
An accessory having an earbud for insertion into a user's ear is disclosed. The earbud may include a speaker and a microphone in which the speaker plays an...
A thermoacoustic device includes a PCB substrate, a speaker installed on the PCB substrate and including a sound wave generator, and an IC chip installed on the...
Virtual surround for loudspeakers with increased constant directivity
A speaker system includes a first array of transducers in a speaker enclosure and, and at least a second array of transducers in the speaker enclosure. The...
Apparatus and method for localizing a sound image, and a non-transitory
computer readable medium
According to one embodiment, a sound localization apparatus includes a storage unit, a selection unit, and a first operation unit. The storage unit stores a...
Embodiments provide apparatuses and systems which include a front surface, a back surface, and a second back surface. A speaker may be disposed between the...
Systems and methods for detection and cancellation of narrow-band noise
In accordance with methods and systems of the present disclosure, an integrated circuit for implementing at least a portion of a personal audio device may...
Using sounds for determining a worn state of a wearable computing device
Methods, apparatus, and computer-readable media are described herein related to using self-generated sounds for determining a worn state of a wearable computing...
Audio signal processing apparatus and audio signal processing method
An audio signal processing apparatus includes a signal processing unit, an output unit, a retention unit, and a coefficient setting unit. The signal processing...
MRI compatible headset
A wireless headset capable of receiving audio signals transmitted wirelessly and compatible for use in an MRI scanner is disclosed. The headset includes a first...
Methods and systems for reducing spillover by measuring a crest factor
Methods, apparatus, and articles of manufacture for reducing spillover in a media monitoring system are disclosed. An example method includes comparing a first...
Methods, systems, and products for alternate audio sources
Audio and video signals are synchronized for pleasing presentation of content. As content is streamed to a device, an audio portion may lag or lead a video...
Audio-video data switching and viewing system
A computer system and method providing for viewing and switching of audio-video data. The system comprises: a plurality of audio/video sources containing...
Secure delivery of files to authorized recipients
A method and system for decoding an encrypted file. A recipient computer: receives, from a sender computer, the encrypted file having a filename that includes...
Audio signal processing apparatus
An audio signal processing apparatus has a plurality of channels for controlling a plurality of audio signals. In the apparatus, a volume setting unit sets...
System and method for narrow bandwidth digital signal processing
The present invention provides methods and systems for narrow bandwidth digital processing of an input audio signal. Particularly, the present invention...
Apparatus and method for modifying an audio signal using envelope shaping
An apparatus for modifying an audio signal has an envelope shape determiner, a filterbank processor, a signal processor, a combiner and an envelope shaper. The...
Versatile audio power amplifier
An audio power amplifier includes a first and a second amplification unit, each including a switching voltage amplifier, an output filter, a current...