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Searching: audio signal





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Patent # Description
US-7,777,118 Electromagnetic musical instrument systems and related methods
An electromagnetic (EM) musical instrument system includes an excitation signal generator to generate an excitation signal. The system also includes an...
US-7,775,964 Active vibration attenuation for implantable microphone
The invention is directed to an implanted microphone having reduced sensitivity to vibration. In this regard, the microphone differentiates between the desirable...
US-7,775,458 Automated cleansing sprayer
The invention relates to an automated sprayer for spraying the walls of a bath and shower enclosure with a cleanser. The sprayer has a housing that can be...
US-7,774,494 Audio/video router
Technique for Routing digital audio and digital video signals commences by routing a digital video signal, devoid of embedded digital audio, to at least one...
US-7,774,426 Information processing apparatus and information processing method
An object of the present invention is to allow a client to make a request for music data stored in a server and to receive it and play it back. A client program...
US-7,774,203 Audio signal segmentation algorithm
The present invention discloses an audio signal segmentation algorithm comprising the following steps. First, an audio signal is provided. Then, an audio...
US-7,774,201 Acoustic device with first and second gain setting units
A purpose of the present invention is to provide an acoustic apparatus capable of automatically setting a gain which is suitable for both an averaged signal...
US-7,774,079 Method and system for receiving and decoding audio signals
A system and method for decoding a received television signal is disclosed. The system includes an input to receive a digital audio signal and a digital variable...
US-7,774,032 Video baby monitor system with battery back-up
A video baby monitor system has a child unit with a back-up battery, a video camera, a microphone, and a transmitter configured to transmit video signals...
US-7,773,943 Hearing aid compatibility mode switching for a mobile station
A mobile station (100) that includes a processor (212) that selectively disables at least one station component to reduce electromagnetic noise generated by the...
US-7,773,938 Apparatus and method for FM wireless vehicle system interface
A vehicle system interface comprises an antenna configured to receive a digital radio signal, a digital radio receiver circuit configured to receive the digital...
US-7,773,770 Substituting or replacing components in media objects based on steganographic encoding
The application discloses various methods and systems to provide substitute or replacement components for media objects (e.g., audio, video or images). The...
US-7,773,761 Method and apparatus to generate an audio beam with high quality
The present invention proposes a system in which an ultrasonic carrier beam is modulated using an audio input signal. The audio signal is divided into frequency...
US-7,773,758 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,773,757 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,773,756 Multichannel spectral mapping audio encoding apparatus and method with dynamically varying mapping coefficients
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,773,751 Apparatus and method for controlling the copy and play of a digital audio contents
The object of the present invention is providing the apparatus and method for controlling playing and copying the digital audio contents by way of embedding the...
US-7,773,682 OFDM reception apparatus and OFDM reception method
A time from the start of a reception operation to the output of video, audio or the like is shortened. An OFDM reception apparatus is provided for receiving an...
US-7,773,544 Call jump system, method and apparatus
A call jump establishes a jump from a call of a traditional telephone carrier established with audio signals. When it is determined that video should be added to...
US-7,773,373 Vibration-damping structure for audio apparatus
The present invention provides a vibration-damping structure for an audio apparatus, accommodating a main transformer, which becomes a vibration source when...
US-7,773,358 Output current control and overload protection in digital audio amplifiers
Overcurrent and overload protection for the power output of a pulse-width-modulated digital audio system is disclosed. The overcurrent protection circuitry...
US-7,773,152 Method, system, and program product for eliminating error contribution from production switchers with internal DVEs
Measurement of the relative timing between images and associated information, for example video and audio. Image mutual event characteristics are recognized in...
US-7,770,134 Methods and apparatuses for handling single-user applications in multi-user computing environments
Methods and apparatuses are provided for controlling application software while switching between session in a multi-session computing environment. An apparatus...
US-7,770,116 System and method for whiteboard and audio capture
A system that captures both whiteboard content and audio signals of a meeting using a digital camera and a microphone. The system can be retrofit to any existing...
US-7,770,014 Randomized signal transforms and their applications
Techniques are disclosed to provide randomized signal transforms and/or their applications. More particularly, a signal (e.g., an audio signal, an image, or a...
US-7,769,924 Method and system for low latency audio-visual transport
A method and apparatus for low latency transport of signals. In some embodiments a method may include providing a buffer controller between two consecutive...
US-7,769,593 Method and apparatus for active noise cancellation
In one embodiment, the present invention is a method and apparatus for active noise cancellation. In one embodiment, a method for recognizing user speech in an...
US-7,769,581 Method of coding a signal using vector quantization
The present invention relates to a method of coding a signal, in particular an audio or speech signal, wherein a codebook comprising k code vectors is provided...
US-7,769,439 Brain balancing by binaural beat
A method and apparatus to balance the brain left side and the brain right side by using binaural beat is disclosed. The disclosed apparatus comprises an...
US-7,769,202 Quantization-based data embedding in mapped data
Novel methods and systems for quantization based data embedding and reading in host signals, such as image, audio and video signals. To embed auxiliary data in a...
US-7,769,193 Electrostatic ultrasonic transducer, ultrasonic speaker, audio signal reproduction method, electrode...
An electrostatic ultrasonic transducer that includes: a first electrode that is formed with a plurality of holes; a second electrode that is formed with a...
US-7,769,191 Flat panel audio output apparatus and video/audio output apparatus
A flat panel audio output apparatus including a plurality of flat panels; and one or more vibrators respectively provided to each of the flat panels to vibrate...
US-7,769,190 Audio signal processing circuit and a display device incorporating the same
An audio signal processing circuit for processing an audio signal which is compact and small is provided. For the audio signal processing circuit of the...
US-7,769,187 Communications circuits for electronic devices and accessories
Hybrid circuits for electronic devices and accessories for electronic devices are provided. One or more pairs of hybrid circuits may convey audio signals, noise...
US-7,769,184 Apparatus and method for measuring sound field
A sound field measurement apparatus includes a signal generating unit for outputting a burst signal, a driving unit for driving a speaker using the burst signal,...
US-7,769,182 Method and system for comparing audio signals and identifying an audio source
A method for defining an index of a match between a content of two audio sources, comprising: sampling audio from a first source and a second source generating a...
US-7,769,181 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,180 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,179 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,178 Multichannel spectral mapping audio apparatus and method
A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral...
US-7,769,162 Acoustic echo canceller with multimedia training signal
In an electronic device having an acoustic echo canceller and being capable of implementing audio applications and at least one of a conferencing application and...
US-7,768,938 Systems and methods for providing multiple communication services over existing twisted pair access lines
Systems and methods are described for providing a plurality of communication services over existing access lines such as twisted pair access lines. These...
US-7,768,578 Apparatus and method of receiving digital multimedia broadcasting
Disclosed are an apparatus and a method of receiving a digital multimedia broadcasting (DMB). According to the invention, there is provided a storage buffer...
US-7,768,435 Method and apparatus for digital to analog conversion
The apparatus described is a multi-core processor 505 adapted to provide digital to analog conversion. At least one 2010 of the cores 510 is used to make the...
US-7,767,901 Control of musical instrument playback from remote management station
A music playing system includes a computer and user interface to access a media database. A wireless base station device has a line out port providing two...
US-7,765,564 Audio based methods and apparatus for detecting a channel change event
Methods and apparatus for detecting a channel change event are disclosed. The disclosed methods and apparatus detect a channel change event by monitoring an...
US-7,765,104 Slot position coding of residual signals of spatial audio coding application
Spatial information associated with an audio signal is encoded into a bitstream, which can be transmitted to a decoder or recorded to a storage media. The...
US-7,765,019 Portable wireless telephony device
The present invention provides an audio codec for converting digital audio signals to analogue audio signals, the audio codec comprising: two digital audio bus...
US-7,765,018 Control device for controlling audio signal processing device
In a PC that controls a mixer engine having a programmable DSP, any object such as a knob or the like is enabled to be duplicated from a control screen...
US-7,764,862 Method of and apparatus for setting video signal delimiter information judged from audio and video signals
Even when there are a plurality of scene changes in an arbitrary (e.g., commercial) interval or when a plurality of audio modes are mixed in a program, chapter...
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