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Searching: audio signal





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Patent # Description
US-9,269,361 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...
US-9,269,360 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...
US-9,269,345 Signal processing
The electronic device and a corresponding signal processing method disclosed herein reduces electromagnetic noise. To that end, the electronic device includes a...
US-9,269,343 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...
US-9,269,084 Apparatus and method for commercial transactions using a communication device
An apparatus for effecting commercial transactions with a server using a transaction card via a communication device is provided. The apparatus includes a...
US-9,269,045 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...
US-9,268,910 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...
US-9,268,846 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...
US-9,268,522 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...
US-9,266,136 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...
US-9,264,838 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...
US-9,264,836 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...
US-9,264,834 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...
US-9,264,830 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...
US-9,264,828 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...
US-9,264,825 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...
US-9,264,823 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...
US-9,264,819 Thermoacoustic device
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...
US-9,264,813 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...
US-9,264,812 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...
US-9,264,810 Directed audio
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...
US-9,264,808 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...
US-9,264,803 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...
US-9,264,800 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...
US-9,264,793 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...
US-9,264,748 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...
US-9,264,586 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...
US-9,264,472 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...
US-9,264,408 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...
US-9,264,158 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...
US-9,264,004 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...
US-9,264,003 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...
US-9,264,000 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...
US-9,263,992 Class D amplifier with variable switching frequency
A method for operating an audio system having multiple Class D audio amplifiers is described. An external oscillatory signal is coupled to the amplifiers, such...
US-9,263,061 Detection of chopped speech
Methods and systems are provided for detecting chop in an audio signal. A time-frequency representation, such as a spectrogram, is created for an audio signal...
US-9,263,057 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal,...
An audio encoder has a window function controller, a windower, a time warper with a final quality check functionality, a time/frequency converter, a TNS stage...
US-9,263,055 Systems and methods for three-dimensional audio CAPTCHA
Systems and methods for generating and performing a three-dimensional audio CAPTCHA are provided. One exemplary system can include a decoy signal database...
US-9,263,049 Artifact reduction in packet loss concealment
Various techniques are disclosed for improving packet loss concealment to reduce artifacts by using audio character measures of the audio signal. These...
US-9,263,047 Apparatus and method for providing messages in a social network
A system that incorporates teachings of the present disclosure may include, for example, a server including a controller to receive audio signals and content...
US-9,263,046 Distributed dictation/transcription system
A distributed dictation/transcription system is provided. The system provides a dictation manager having a data port to receive and transmit audio signals. The...
US-9,263,040 Method and system for using sound related vehicle information to enhance speech recognition
An audio signal may be received, in a processor associated with a vehicle. Sound related vehicle information representing one or more sounds may be received by...
US-9,263,027 Broadcast system using text to speech conversion
A broadcast signal receiver comprises a text data receiver for receiving broadcast text data for display to a user in relation to a user interface; a...
US-9,263,023 Audio speaker with spatially selective sound cancelling
A system and method for reproducing audio sound. Audio sound, based on an audio signal, is emitted within a space comprising an audio beamwidth. Modulated...
US-9,263,015 Wireless electric guitar
An electronics module for an electric guitar is provided. The electronics module includes a processor, a plurality of controls, an antenna, and a ...
US-9,262,998 Display system and data transmission method thereof
A display system and a data transmission method thereof are provided. When a first frame stored in a frame buffer and a plurality of second frames to be...
US-9,262,924 Adapting a warning output based on a driver's view
A human machine interface (HMI) can communicate warnings and messages to a driver by selecting among a variety of warning devices based on information related...
US-9,262,909 Audio monitoring and sound identification process for remote alarms
In a method for remote monitoring of alarms, a user interface is provided to a user of a mobile computing. The user interface enables the user to enter alarm...
US-9,262,521 Apparatus and method for extracting highlight section of music
Disclosed are an apparatus and a method for extracting a highlight section of music. The apparatus for extracting a highlight section of music in accordance...
US-9,260,261 Audio detection of medium jam
A method of indicating a medium jam along a medium transport path comprising one or more rollers for use in conveying the medium along the medium transport...
US-9,258,664 Headphone audio enhancement system
An audio enhancement system can provide spatial enhancement, low frequency enhancement, and/or high frequency enhancement for headphone audio. The spatial...
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