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Searching: audio signal





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Patent # Description
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...
US-9,258,659 Method of detecting enclosure leakage of enclosure mounted loudspeakers
A method of detecting enclosure leakage of an electrodynamic loudspeaker mounted in an enclosure or box may include applying an audio signal to a voice coil of...
US-9,258,655 Method and device for frequency compression with harmonic correction
Artifacts occurring during frequency compression, in particular in the case of hearing aids, are avoided or reduced. The method compresses the frequency of an...
US-9,258,653 Method and system for parameter based adaptation of clock speeds to listening devices and audio applications
In accordance with an embodiment, a system for processing an incoming signal for audio application includes a parameter extraction module coupled for receiving...
US-9,258,647 Obtaining a spatial audio signal based on microphone distances and time delays
Examples disclose a method to receive a first audio signal at a first microphone positioned at an actual distance from a second microphone. Additionally, the...
US-9,258,646 Self-powered audio speaker having modular components
Embodiments of the invention include a speaker system having the ability to accommodate one or more transmission protocols as well as multiple upgrade paths....
US-9,258,645 Adaptive phase discovery
In an adaptive phase discovery system a first audio signal is received via a first microphone and a second signal is received via a second microphone....
US-9,258,642 Audio-optical arrangement, accessory, earpiece unit and audio device
There is provided an arrangement, an accessory, an audio device, and at least one earpiece unit. The accessory is suitable for an audio device capable of...
US-9,258,641 Method and system of audio capture based on logarithmic conversion
Audio capture based on logarithmic conversion. At least some of the illustrative embodiments are methods including capturing audio represented by an electrical...
US-9,258,640 Compact noise suppression circuit for small speakers
A compact noise suppression circuit for a small speaker system and having a circuit board with a left signal input connection and a right signal input...
US-9,258,604 Commercial detection based on audio fingerprinting
A commercial detection system generates a probe audio fingerprint of an audio signal associated with a media stream on a broadcast channel and determines...
US-9,258,603 Method and system for achieving higher video throughput and/or quality
Digital data, including audio and video, may be communicated at increased data rates by utilizing non-data signal channels in cables to communicate additional...
US-9,258,428 Audio bandwidth extension for conferencing
In one embodiment, a method includes extracting, by a processor, components from an audio signal to generate a modulating signal. The audio signal is generated...
US-9,258,415 Communication device and related methods for offline data record modification and synchronization with a...
Communication devices configured to assist hearing-impaired users and related methods are disclosed that synchronize unclean data records of a local database...
US-9,258,407 Portable electronic device having plurality of speakers and microphones
A portable electronic device includes a display unit, a first audio unit, a second audio unit, a first sensing unit, a second sensing unit, and a controlling...
US-9,258,392 Method and apparatus for generating metadata of immersive media
Disclosed are a method and an apparatus for generating metadata of immersive media and disclosed also are an apparatus and a method for transmitting metadata...
US-9,258,071 Wireless communication session initiation based on a frequency modulation (FM) radio data service (RDS)
A wireless communication system wirelessly receives a Frequency Modulation (FM) signal including audio data and Radio Data System (RDS) data. The wireless...
US-9,258,055 Wireless earpiece and wireless microphone to service multiple audio streams
A wireless microphone and wireless earpiece each may exchange radio frequency (RF) signals with a base unit and render content contained within the exchanged RF...
US-9,257,953 Digital equalizing filters with fixed phase response
An equalization filter structure for filtering an audio signal within an audio system is disclosed. The equalization filter comprises a first and a second...
US-9,257,951 Differential amplifier
An amplifier for amplifying a differential audio signal, having common-mode rejection and digital gain control, includes a current source (401) which supplies a...
US-9,257,945 Amplifier apparatus
Disclosed is a technique for reducing noise superimposed on an output signal while keeping loop gain constant without increasing the circuit scale and without...
US-9,257,942 Audio amplifier apparatus
An audio amplifier apparatus for driving a loudspeaker is provided. The audio amplifier apparatus includes a soft charge unit, a first amplification module, and...
US-9,257,835 Output-stage circuit and method for over current protection thereof and audio amplify system
An output-stage circuit is disclosed. The output-stage circuit includes high-side output driver, first body selector, low-side output driver, second body...
US-9,257,132 Dominant speech extraction in the presence of diffused and directional noise sources
A method of dominant speech extraction is provided that includes acquiring a primary audio signal from a microphone and at least one additional audio signal...
US-9,257,128 Apparatus and method for coding and decoding multi object audio signal with multi channel
Provided are an apparatus and method for coding and decoding a multi object audio signal with multi channel. The apparatus includes: a multi channel encoding...
US-9,257,127 Apparatus and method for coding and decoding multi-object audio signal with various channel including...
Provided is an apparatus and method for coding and decoding multi-object audio signals with various channels and providing backward compatibility with a...
US-9,257,125 Audio frame timing correction method and wireless device
An audio frame timing correction method and a wireless device are provided. A controller generates a reference clock for audio coding/decoding such that the...
US-9,257,124 Apparatus and method for coding and decoding multi-object audio signal with various channel
Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals...
US-9,257,120 Speaker verification using co-location information
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for identifying a user in a multi-user environment. One of the...
US-9,257,022 Haptic effect conversion system using granular synthesis
A system is provided that converts an input, such as audio data, into one or more haptic effects. The system applies a granular synthesis algorithm to the input...
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