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Searching: audio signal





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Patent # Description
US-8,483,403 System and method for directionally radiating sound
An audio system for a vehicle has at least one source of audio signals. A respective directional loudspeaker array is mounted at each seat position and coupled...
US-8,483,402 System and method for directionally radiating sound
A method of operating an audio system that provides audio radiation to a plurality of listening positions includes providing at least one source of audio...
US-8,483,397 Multi-channel audio display
An audio display system can include an audio input configured to receive a plurality of inputs corresponding different audio channels of a multi-channel audio...
US-8,483,099 Microphone expansion unit for teleconference phone calls
A portable teleconference phone system includes a plurality of portable computers each having a microphone disposed therein, the microphone configured to...
US-8,482,384 Method and system for playing signals at two appliances
A method for receiving messages in an appliance such as a clock radio modified to retrieve messages from a remote computer, converting the retrieved messages...
US-8,482,346 High efficiency balanced output amplifier system
A high efficiency amplifier system may include multiple output stages cooperatively operating to produce an amplified output signal. The amplifier system may be...
US-8,481,840 Button shaped portable media player with indicia
In one embodiment of the present invention, a portable media player has the form of a wearable button and includes a body that has a front face and a rear face....
US-8,479,250 Apparatus and method for detecting a media device
A system that incorporates teachings of the present disclosure may include, for example, a mobile device having a controller to detect a location of a user by...
US-8,478,856 Method for transporting digital media
A networked system is provided for transporting digital media packets, such as audio and video. The network includes network devices interconnected to send and...
US-8,478,587 Voice analysis device, voice analysis method, voice analysis program, and system integration circuit
A sound analysis device comprises: a sound parameter calculation unit operable to acquire an audio signal and calculate a sound parameter for each of partial...
US-8,478,359 User interface tone echo cancellation
A multi-function communications device has a processor that generates a user interface audible tone signal. The device also has a downlink digital signal...
US-8,478,356 Audio amplifier
An audio amplifier (3) for a mobile telephone (1) is disclosed. The audio amplifier (3) comprises first and second output stages (11, 12), each for coupling to...
US-8,478,104 Copy secure multimedia RFID with analog transmitter
A portable RFID device includes an analog modulation radio frequency transmitter and a data storage holding audio data files. In response to user entered...
US-8,477,976 Method for the detection of whistling in an audio system
A method for detecting whistling in an audio system includes determining an average frequency of an input signal of the audio system, sampling the input signal...
US-8,477,968 Thermal acoustic speaker
A thermal acoustic speaker comprises a body and a thermoelectric converter. The body comprises a shell with at least one hole and a side with a sound hole. The...
US-8,477,962 Microphone signal compensation apparatus and method thereof
A microphone signal compensation apparatus includes a plurality of audio input units to respectively receive a target signal, each audio input unit of the...
US-8,477,960 System for allowing selective listening on multiple televisions
Provided is an audio transmission system for use in environments having multiple televisions. An audio transmitter couples to a television via the television's...
US-8,477,959 Reversible personal audio device cable coupling
A apparatus and method for enabling signals representing a first audio channel and a second audio channel to be conveyed to a first earpiece and a second...
US-8,477,954 Controlling audio signals
Method, user terminal and computer program product for controlling audio signals at the user device during a communication session between the user device and a...
US-8,477,952 Audio system with feedback detection means
The invention concerns in a first aspect an audio system comprising a microphone, audio signal processing means, an output transducer and means for detecting a...
US-8,477,951 Front surround system and method of reproducing sound using psychoacoustic models
A front surround reproduction system improving the stereo effect of mid and low frequency signals by using a psychoacoustic model, and a method thereof. An...
US-8,477,875 Method and receiver for demodulation
A method of demodulation includes determining samples of a modulated analogue audio signal; determining at least one distorted sample of the samples depending...
US-8,477,793 Media streaming device with gateway functionality
Various methods and devices provide place shifting of a media stream to a remote device while also providing network functionality for a local area network...
US-8,477,563 Device for announcing prayer times
The device for announcing prayer times provides for announcement of Muslim prayer times by recitation of athan throughout a large but localized area, e.g., a...
US-8,477,248 System and method of demodulating audio signals
A system and method for demodulating signals are disclosed. In a particular embodiment, the method includes receiving a signal at an input and determining a...
US-8,477,243 Program guide apparatus acquiring program guide information and/or providing for program guide navigation using...
A digital television signal receiver, which includes an audio processor to process the audio data to be output as sound; a video processor to process a video...
US-8,476,835 Audio controlled light formed christmas tree
A Christmas tree decorative enhancing system provides a lighting display that is choreographed to an audio file and respective output. Each of a series of light...
US-8,476,518 System and method for generating audio wavetables
A method includes receiving an audio signal and identifying one or more steady-state segments of the audio signal. The method also includes identifying at least...
US-8,475,530 Middle ear direct action improved hearing aid and related installation method
A middle ear prosthesis device and corresponding implantation procedure are described. A sensing microphone converts an acoustic audio signal into a...
US-8,475,385 Method and apparatus for physiological monitoring
Blood pressure measurements are represented aurally. An audio synthesizer (15) receives a signal representative of blood pressure information, and synthesizes...
US-8,474,994 Multi purpose visual and audible signaling baton
A multi purpose visual and audible signaling baton having applicability to fire scenes, traffic and crowd control, police operations, military procedures,...
US-8,473,302 Parametric audio encoding and decoding apparatus and method thereof having selective phase encoding for birth...
Provided are parametric audio encoding and decoding apparatuses and methods thereof. In the parametric audio encoding method, an audio signal is segmented into...
US-8,473,301 Method and apparatus for audio decoding
A method for decoding an audio signal includes: obtaining a lower-band signal component of an audio signal corresponding to a received code stream when the...
US-8,473,298 Pre-resampling to achieve continuously variable analysis time/frequency resolution
A digital audio signal can be processed using continuously variable time-frequency resolution by selecting a portion of an input digital audio signal,...
US-8,473,294 Skipping radio/television program segments
Techniques for notifying at least one entity of an occurrence of an event in an audio signal are provided. At least one preference is obtained from the at least...
US-8,473,283 Pitch selection modules in a system for automatic transcription of sung or hummed melodies
The technology disclosed relates to audio signal processing. It includes a series of modules that individually are useful to solve audio signal processing...
US-8,473,083 Synthesized audio parameters
In some embodiments, techniques for audio processing may include receiving a first characterization of a first audio device, including a first audio...
US-8,473,012 Architecture of a multimedia and hands-free phone equipment for a motor vehicle
The equipment comprises a pilot box (10) mounted on the dashboard, an offset box (12) and a link (14) for coupling these boxes. The pilot box comprises a signal...
US-8,473,011 Method and apparatus allowing for user-selectable acoustic equalizer settings for voice calls
A user is allowed to select an acoustic equalizer setting from among a plurality of predetermined acoustic equalizer settings. Upon receiving an indication of a...
US-8,472,873 Near field communication and frequency modulation coexistence concealment system and method
A system for determining a frequency modulated audio output of a mobile communication device during a near field communication transaction includes a...
US-8,472,865 Echo light complex
An apparatus mounted on a vessel used for transportation, the apparatus displaying a visual media on surroundings of the vessel, and transmitting a audio...
US-8,472,663 Embedded appliance for multimedia capture
A multimedia device includes input ports dedicated to receiving a real-time media signal and a processor system dedicated to capturing the real-time media...
US-8,472,655 Audio processing
An audio processing arrangement (200) comprises a plurality of audio sources (101, 102) generating input audio signals, a processing circuit (110) for deriving...
US-8,472,644 High efficiency audio amplifier and method thereof
A high efficiency audio amplifier is disclosed. The high efficiency audio amplifier includes an input end for receiving an input audio signal, an output end for...
US-8,472,642 Processing of an audio signal for presentation in a high noise environment
In accordance with the invention, audio signals are specially processed for sound presentation in a high noise environment. The electrical signal representative...
US-8,472,638 Sound processing system for configuration of audio signals in a vehicle
A sound processing system for a vehicle includes a sound processor that is configured to mix at least one real audio input signal to form at least one virtual...
US-8,472,634 Preprogrammed hearing assistance device with audiometric testing capability
A hearing aid which is operable in an audiometric testing mode includes an audio output section, a volume control, a switching device, and a processor. The...
US-8,472,631 Multi-channel audio enhancement system for use in recording playback and methods for providing same
An audio enhancement system and method for use receives a group of multi-channel audio signals and provides a simulated surround sound environment through...
US-8,471,713 Interference detector for patient monitor
A system is disclosed for detecting and calculating the level of ambient and/or environmental noise, such as electromagnetic interference generated by electric...
US-8,471,599 Adjustable voltage comparing circuit and adjustable voltage examining device
In an adjustable voltage examining module, while a logic tester issues an input signal to an audio module under test, upper/low-threshold reference signals are...
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