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Searching: audio signal





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Patent # Description
US-8,705,778 Method and apparatus for generating and playing audio signals, and system for processing audio signals
A method for generating and playing audio signals and a system for processing audio signals are disclosed. The method for generating audio signals includes:...
US-8,705,773 Audio amplifier
An audio amplifier includes a compensation unit, an output unit and a calibration unit. The compensation unit generates a compensation signal based on a digital...
US-8,705,771 Line-in signal dynamic range enhancement for output of charge pump based audio amplifier
Separate control of the operation of an audio amplifier and a charge pump that synthesizes a negative voltage supply (VSS) for improving the dynamic range of...
US-8,705,770 Method, device, and system for mixing processing of audio signal
A method, a device and a system for mixing processing of an audio signal are provided in the embodiments of the present invention. The method includes: judging...
US-8,705,758 Audio processing device and method for reducing echo from a second signal in a first signal
An audio processing device for reducing the effect on a first signal of echo from a second signal, the device comprising: an echo reduction processor for...
US-8,705,753 System for processing sound signals in a vehicle multimedia system
The present invention relates to a method for processing sound signals in a vehicle multimedia system. A sound signal is recorded by a microphone. A voice...
US-8,705,752 Low frequency noise reduction circuit architecture for communications applications
A noise reduction circuit for reducing the effects of low frequency noise such as wind noise in communications applications is described. In one embodiment, the...
US-8,705,750 Device and method for converting spatial audio signal
An audio processor for converting a multi-channel audio input signal, such as a B-format sound field signal, into a set of audio output signals, such as a set...
US-8,705,749 Audio signal transformatting
This invention relates to reformatting a plurality of audio input signals from a first format to a second format by applying them to a dynamically-varying...
US-8,705,747 Object-based 3-dimensional audio service system using preset audio scenes
Provided are an object-based three dimensional (3-D) audio service system using preset audio scenes and a method thereof. The system and the method are...
US-8,705,727 Methods and apparatus for enhancing ringback tone quality during telephone communications
A system for enhancing tonal quality for ringback signals in a telecommunications network by adjusting audio processing during an alerting interval of a...
US-8,705,719 Speakerphone and conference bridge which receive and provide participant monitoring information
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-8,705,702 Emergency communications system
A communications terminal facilitates signaling emergency alerts and monitoring. The terminal is operative in response to user input to generate emergency...
US-8,705,320 Audio localization using multilateration
Systems and methods for providing audio localization are provided. In some aspects, a method includes receiving phase offsets of a plurality of fixed...
US-8,705,234 Answer bracelet
An answer bracelet suitable for wearing an a person's wrist. A rigid hollow housing having a transparent top cover is attached to a wrist band and houses a...
US-8,704,947 Wireless AV transmission and receiver modules, portable wireless AV transmission and receiver devices, and AV...
A wireless audio-video (AV) transmission module is to be disposed in an AV source device. The AV source device includes an AV source unit for generating an AV...
US-8,704,533 Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment
A testing method or apparatus utilizes multiple frequencies applied to a device under test for measuring newly discovered frequency modulation effects. An...
US-8,704,073 Interactive digital music recorder and player
A digital multi-media device provides features for a user unskilled in musical arts or sound handling techniques that provides automatic musical score...
US-8,701,990 Providing service to a customer service center
A system includes automated banking machines that operate responsive to data read from data bearing records. Transactions can be carried out through...
US-8,701,144 Digital broadcasting system and method of processing data in digital broadcasting system
A digital broadcasting system and a method for processing data in the same are disclosed. A method for controlling a digital television (DTV) located in one...
US-8,700,407 Systems and methods for recognizing sound and music signals in high noise and distortion
A method for recognizing an audio sample locates an audio file that closely matches the audio sample from a database indexing a large set of original...
US-8,700,391 Low complexity bandwidth expansion of speech
Audio signal bandwidth expansion is performed on a narrow bandwidth signal received from a far end source. The far end source may transmit the signal over the...
US-8,700,388 Audio transform coding using pitch correction
A processed representation of an audio signal having a sequence of frames is generated by sampling the audio signal within first and second frames of the...
US-8,700,194 Robust media fingerprints
Robust media fingerprints are derived from a portion of audio content. A portion of content in an audio signal is categorized. The audio content is...
US-8,700,106 System and method for provision of infrared signalling in smart phone devices
A smart phone device is fitted with a dual mode communications interface device having a housing wherein the housing provides access via an exterior of the...
US-8,700,057 Method and apparatus for multi-resolution adaptive positioning
Various embodiments are directed to methods and apparatus for mobile device position determination and the efficient communication of mobile device position...
US-8,699,980 Car audio system including an integrated module comprising a tuner unit and an active antenna
A car audio system having a tuner unit and an active antenna integrated into a single module, the car audio system being connected to an antenna for a vehicle...
US-8,699,963 Mobile communication device with receiver speaker
An audio subsystem in a mobile communication device has a speaker. In one implementation, the audio subsystem has a higher-gain power amplifier, a lower-gain...
US-8,699,743 Speaker system and amplifier
A system and methods for implementing substantially triangular or trapezoidal speaker enclosures and related components. A speaker enclosure may be shaped...
US-8,699,732 Systems and methods employing multiple individual wireless earbuds for a common audio source
Multiple individual wireless earbuds provide audio from a common audio source. A user may thereby enjoy audio in both ears while also benefiting from an...
US-8,699,731 Apparatus and method for generating a low-frequency channel
For generating a low-frequency channel for a low-frequency loudspeaker arranged at a predetermined low-frequency loudspeaker position, a plurality of audio...
US-8,699,729 Audio speaker assembly
An audio speaker assembly including a housing defining an internal compartment, and a glass membrane having a first portion supported in the housing and a...
US-8,699,724 Volume scale selection
Embodiments herein relate to volume scale selection by a computing device. In an embodiment, the computing device includes a rotational device to assert a...
US-8,699,720 Headphones with distortion-free loudness limiting and dynamic equalization device
A headphone assembly for generating an audio output with distortion-free loudness limiting and dynamic equalization feature includes a voltage divider...
US-8,699,717 Audio amplifier performance while maintaining USB compliance and power down protection
An apparatus comprises a first audio amplifier circuit configured to provide an analog audio signal and an analog switch circuit including a first input...
US-8,699,716 Conference device and method for multi-point communication
The conference device (EMCU) according to the invention has several monaural HRTF filters (HRTF1, . . . , HRTFN), each of which is to be allocated to a...
US-8,699,384 VOIP conferencing
A VoIP-based conferencing system readily handles different protocols, load balance media resources and deals with fail-over situations. The VOIP conferencing...
US-8,699,351 Method and system for detecting audio and video synchronization
A method and system for diagnosing synchronization offsets in IPTV program signals includes generating audio counter values for audio packets and video counter...
US-8,698,962 Content processing device
A content processing device includes an input section, a memory section, a selection section and an output section. The input section is configured to receive...
US-8,698,921 Audio processing device, audio processing method, program, and audio acquisition apparatus
In an audio-accompanying moving-image taking apparatus, a noise period setting unit sets a second period with respect to an audio signal acquired by...
US-8,697,975 Musical performance-related information output device, system including musical performance-related information...
Provided are a musical performance-related information output device and a musical performance system capable of superimposing musical performance-related...
US-8,695,046 Bilateral control system and method of a vehicle-use front seat audio device and a back seat entertainment device
The present invention is related to a bilateral control system and method of a vehicle-use front seat audio device and a back seat entertainment device...
US-8,694,775 Method enabling real-time data service, realization, real-time data service system and mobile terminal
The present invention discloses a method for implementing a real-time data service, a real-time data service system and a mobile terminal. Said method for...
US-8,694,326 Communication terminal and communication method
A communication terminal includes a decoder which decodes an input bitstream received from another communication terminal, to generate an output audio signal...
US-8,694,325 Hierarchical audio coding, decoding method and system
A hierarchical audio coding, decoding method and system are provided. The method includes dividing frequency domain coefficients of an audio signal after MDCT...
US-8,694,316 Methods, apparatus and computer programs for automatic speech recognition
An automatic speech recognition (ASR) system includes a speech-responsive application and a recognition engine. The ASR system generates user prompts to elicit...
US-8,694,313 Disambiguation of contact information using historical data
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for disambiguating contact information. A method includes...
US-8,694,192 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-8,694,141 Data-driven media management within an electronic device
A method and apparatus for intelligently routing and managing audio signals within an electronic device is disclosed. The routing is responsive to a set of...
US-8,694,140 Data-driven media management within an electronic device
A method and apparatus for intelligently routing and managing audio signals within an electronic device is disclosed. The routing is responsive to a set of...
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