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Searching: audio signal





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Patent # Description
US-8,573,487 Integrated read head device
An integrated read head system includes a mobile device with an audio jack and at least one microphone input port. A read head is physically coupled to the...
US-8,571,879 Sound reproducing device adding audio data to decoded sound using processor selected based on trade-offs
A sound reproducing device includes a decoder section (1200) configured to decode an audio-signal bit stream input from the outside world, and to generate a...
US-8,571,877 Apparatus for providing an upmix signal representation on the basis of the downmix signal representation,...
An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which...
US-8,571,876 Apparatus, method and computer program for obtaining a parameter describing a variation of a signal...
An apparatus for obtaining a parameter describing a variation of a signal characteristic of a signal on the basis of actual transform-domain parameters...
US-8,571,875 Method, medium, and apparatus encoding and/or decoding multichannel audio signals
A method, medium, and apparatus encoding and/or decoding a multichannel audio signal. The method includes detecting the type of spatial extension data included...
US-8,571,864 Automatic identification of repeated material in audio signals
A system and method are described for recognizing repeated audio material within at least one media stream without prior knowledge of the nature of the repeated...
US-8,571,863 Apparatus and methods for identifying a media object from an audio play out
In one example, a device captures a segment of audio played out over an audio source in response to a control signal from a user interface of the device. The...
US-8,571,860 Speech recognition with parallel recognition tasks
The subject matter of this specification can be embodied in, among other things, a method that includes receiving an audio signal and initiating speech...
US-8,571,858 Method and discriminator for classifying different segments of a signal
For classifying different segments of a signal which has segments of at least a first type and second type, e.g. audio and speech segments, the signal is...
US-8,571,855 Audio enhancement system
A system and method for enhancing the sound signal produced by an audio system in a listening environment by compensating for ambient sound in the listening...
US-8,571,853 Method and system for laughter detection
A method and apparatus for laughter detection. Laughter is detected through the presence of a sequence of at least a predetermined number such as three...
US-8,571,852 Postfilter for layered codecs
A scalable decoder device (50) for signals representing audio comprises a primary decoder (21) connected to an input (40). The primary decoder (21) is arranged...
US-8,571,743 Control of vehicles based on auditory signals
Methods and systems for control of vehicles based on auditory signals are described. In an example, a computing device may be configured to control a vehicle or...
US-8,571,694 Method for setting audio parameters in a digital signal processor in an electronic device, and electronic device
The invention relates to a method for setting audio parameters in a digital signal processor (4) in an electronic device (1) comprising at least one auxiliary...
US-8,571,599 Mobile wireless device with multi feed point antenna and audio transducer and related methods
A mobile wireless communications device may include a portable housing, a circuit board carried by the portable housing, a wireless communications circuit...
US-8,571,544 System with wireless earphones
A system comprising a wireless network adapter and a pair of earphone. The wireless network adapter is external to a digital audio player and configured to...
US-8,571,500 Emergency broadcast receiver
Disclosed is an emergency broadcast radio receiver. The receiver can comprise a signal detector circuit adapted to detect, when powered, a predetermined...
US-8,571,378 Image capturing apparatus and recording method
When setting of marking on recording data is performed, the marking is automatically performed at a suitable position corresponding to a status during image...
US-8,571,232 Apparatus and method for a complete audio signal
The present invention relates to an apparatus and method for redeeming otherwise closed and concealed information contained in audio signals. An active circuit...
US-8,571,231 Suppressing noise in an audio signal
An electronic device for suppressing noise in an audio signal is described. The electronic device includes a processor and instructions stored in memory. The...
US-8,571,226 Automatic polarity adaptation for ambient noise cancellation
A sound reproducing device has a loudspeaker arranged to produce sound from an audio signal provided by an audio signal source. A microphone is positioned to...
US-8,571,225 Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
The present invention relates to a method and a circuit for testing a tweeter, said tweeter being part of a loudspeaker system, wherein the method includes the...
US-8,571,192 Method and apparatus for improved matching of auditory space to visual space in video teleconferencing...
A method and apparatus for enabling an improved experience by better matching of the auditory space to the visual space in video viewing applications such as...
US-8,571,039 Encoding and decoding speech signals
A method and apparatus for transmitting an audio signal over a communication channel comprising encoding the audio signal with an encoder 204 using a first...
US-8,570,368 Wireless audio transmission system, receiver, video camera and audio mixer
A wireless audio transmission system includes: a transmitter having a microphone and a modulator-transmitter transmitting a radio wave modulated by an audio...
US-8,570,184 Method and system for controlling, guiding and warning
A method for guiding, controlling or warning people, particularly for controlling and guiding people to a desired route, e.g. an emergency exit, in a dangerous...
US-8,568,291 Bone conductive devices for improving hearing
A method is described for providing sound perception in a hearing impaired patient. An externally generated electrical audio stimulation signal is received in a...
US-8,568,238 System for remote game access
A system for allowing a user to remotely access a game includes: a game console; a remote console client configured to receive a game control signal; and a...
US-8,568,162 Mountable loudspeaker assemblies and clamps
Loudspeaker clamps and assemblies are disclosed which include base and mounting clamps having respectively engageable electrical connectors, wherein the...
US-8,566,857 Method, system and program product for broadcast advertising and other broadcast content performance...
A verification system that injects a inaudible identification code into a broadcast advertisement immediately prior to its radio frequency transmission is...
US-8,566,106 Method and device for fast algebraic codebook search in speech and audio coding
A method and device for searching an algebraic codebook during encoding of a sound signal, wherein the algebraic codebook comprises a set of codevectors formed...
US-8,566,105 Apparatus and method for encoding and decoding of audio data using a rounding off unit which eliminates...
A method and apparatus for encoding audio data and a method and apparatus for decoding audio data, which can generate and decode, respectively, scalable...
US-8,566,086 System for adaptive enhancement of speech signals
A method and system for enhancing the frequency response of speech signals are provided. An average speech spectral shape estimate is calculated over time based...
US-8,566,083 Method for decoding an audio signal that has a base layer and an enhancement layer
An audio signal may have a BL and an EL, wherein the EL represents additional information for enhancing the quality of the BL audio content. Decoding of such...
US-8,566,081 Method and system providing interpreting and other services from a remote location
A method and system for providing interpreting services is disclosed. The system includes interpreting apparatus at several user sites where interpreting...
US-8,565,908 Systems, methods, and apparatus for equalization preference learning
Systems, methods, and apparatus are provided for equalization preference learning for digital audio modification. A method for listener calibration of an audio...
US-8,565,907 Audio mixing device and method
An audio mixing device and method are provided. The audio mixing device includes an analog to digital converter (ADC), a converting module, a mixing module, and...
US-8,565,842 Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic...
A mobile wireless communications device includes a housing and circuit board carried by the housing and having radio frequency (RF) circuitry and a processor...
US-8,565,725 Secure control system for opening locking devices by encrypted acoustic accreditations
The invention relates to a system implements a mobile phone (20) available to a user (18) authorized to open a lock (22). A remote management site (10) includes...
US-8,565,702 Audio hole suppression method and apparatus for a two-way radio
A channel scanning technique and apparatus provides audio hole suppression in two-way radio communications. Upon detecting the absence of a carrier signal on a...
US-8,565,466 Auditory canal earphone
There is provided an auditory canal earphone comprising a housing (120) for receiving an electroacoustic transducer and a sound guide unit (130) on the housing...
US-8,565,464 Audio conference apparatus
In an audio signal transmission/reception device that receives and emits sounds so as to perform transmission and reception of audio signals via communications,...
US-8,565,459 Signal processing using spatial filter
A device and method processing microphone signals from at least two microphones is presented. A first beamformer processes the signals from the microphones and...
US-8,565,458 Media player and adapter for providing audio data to hearing aid
A media player includes a processor configured to receive media content from a content source and to process the media content produce an audio signal. The...
US-8,565,455 Multiple display systems with enhanced acoustics experience
A method and a system are described providing multiple display systems with an enhanced acoustics experience. A source audio signal having a plurality of source...
US-8,565,451 Audio signal output device
Under the control of a controller, a DSP supplies audio signals received from a switch circuit to a main zone DAC, subjects the audio signals received from the...
US-8,565,449 System and method for digital signal processing
The present invention provides for methods and systems for digitally processing an audio signal. In various embodiments, a method comprises receiving a profile...
US-8,565,448 Dynamic bass equalization with modified Sallen-Key high pass filter
A dynamic bass equalization circuit has an amplitude dependent gain that is dependent upon the audio electrical signal amplitude and a dynamically adjusted...
US-8,565,445 Combining audio signals based on ranges of phase difference
A signal processing unit is provided. The signal processing unit includes an orthogonal transforming part including at least two sound input parts receiving...
US-8,565,444 Detecting stereo and mono headset devices
The present invention includes apparatuses and methods comprising a means for detecting the presence of speakers and microphones coupled to a portable...
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