Easy To Use Patents Search & Patent Lawyer Directory
At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Searching: audio signal
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-8,199,921 |
Sound field controlling device A sound field controlling device for supplying audio signals to a plurality of speakers provided in a space to form a sound field in the space, includes a... |
| US-8,199,920 |
Personal computer based audio frequency impedance analyzer An apparatus, method, and system for analyzing the response of a device under test using a signal generated by an audio card comprises a housing. The apparatus... |
| US-8,199,918 |
Loudspeaker protection circuit A loudspeaker protection circuit comprises a rectification stage for receiving an input audio signal and producing a rectified output signal, a detection stage... |
| US-8,199,791 |
Mixed voice and spread spectrum data signaling with enhanced concealment
of data Systems, methods, and devices for mixed voice and spread spectrum data signaling with enhanced concealment of data are disclosed. Audible artifacts may be... |
| US-8,199,781 |
Device and method for demultiplexing received transport stream in digital
broadcasting receiver Disclosed herein is a device and method for demultiplexing in a digital broadcasting receiver for processing packet data configured by a packet header and a... |
| US-8,199,780 |
Multimedia apparatus and synchronization method thereof A multimedia apparatus and a synchronization method thereof are provided. The multimedia apparatus includes a video output unit which outputs a video, and a... |
| US-8,198,526 |
Methods and apparatus for input devices for instruments and/or game
controllers Electronic game components are described. The electronic game components may define radiation striking zones in which user strikes may be detected. In response... |
| US-8,198,524 |
Apparatus for controlling a digital source An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and... |
| US-RE43,461 |
Systems and methods for load detection and correction in a digital
amplifier Systems and methods for detecting the impedance of an output load coupled to a digital amplifier and compensating for changes in the response of the amplifier.... |
| US-8,196,064 |
Method, system, and computer program product for managing controlled
residential or non-residential environments A control server, or similar central processor, manages the distribution of data (including audio and video), voice, and control signals among a plurality of... |
| US-8,195,843 |
HDMI controller circuit for transmitting digital data to compatible audio
device using address decoder where... The present invention provides a high definition media interface (HDMI) controller having a modular design internal bus structure, and applications thereof. The... |
| US-8,195,472 |
High quality time-scaling and pitch-scaling of audio signals In one alternative, an audio signal is analyzed using multiple psychoacoustic criteria to identify a region of the signal in which time scaling and/or pitch... |
| US-8,195,465 |
Time-warping of decoded audio signal after packet loss A technique is described for use in a decoder configured to decode a series of frames representing an encoded audio signal. The technique is for transitioning... |
| US-8,195,454 |
Speech enhancement in entertainment audio The invention relates to audio signal processing. More specifically, the invention relates to enhancing entertainment audio, such as television audio, to... |
| US-8,195,452 |
High-quality encoding at low-bit rates Methods and devices provide improved perceived quality of an audio (or other) coded signal at a low bit-rate. An input signal may be split into an outlier... |
| US-8,195,451 |
Apparatus and method for detecting speech and music portions of an audio
signal In an information detecting apparatus (1), a speech kind discrimination unit (11) discriminates and classifies an audio signal at an information source into... |
| US-8,195,318 |
Method and an apparatus for processing an audio signal An apparatus for processing an audio signal and method thereof are disclosed. The preset invention includes receiving object information and a downmix signal... |
| US-8,195,316 |
Audio apparatus An audio apparatus includes an input unit for inputting stereo signals in which multi-channel surround-sound signals are mixed in accordance with a ... |
| US-8,195,246 |
Optimized method of filtering non-steady noise picked up by a
multi-microphone audio device, in particular a... A multi-microphone hands-free device distinguishes between non-steady noise and speech and adapts the de-noising to the presence and characteristics of the... |
| US-8,195,135 |
Mobile communication device and audio processing method thereof A mobile communication device capable of communicating with a remote communication device includes a communication unit, a microphone, an input unit, a control... |
| US-8,195,094 |
Cognitive modulators A modulator includes input paths for audio information from an electronic audio channel; output paths for transmitting said audio information over a... |
| US-8,195,091 |
RF audio distribution system including IR presence detection A teacher microphone (30) is provided with an infrared (IR) transmitter to signal a connection request to a wireless audio access point (50) using a first IR... |
| US-8,195,026 |
Recording medium containing supplementary service information for
Audio/Video contents, and method and... The present invention relates to method and apparatus of providing supplementary service information for A/V contents written in a recording medium. This method... |
| US-8,194,915 |
Wavelet domain watermarks A wavelet domain watermark encoder and decoder embed and detect auxiliary signals in a media signal, such as a still image, video or audio signal. The watermark... |
| US-8,194,901 |
Control device and method for wireless audio signal transmission within
the context of hearing device programming A method for programming a hearing device is described, in which audio data and programming data is transmitted from a programming device to the hearing device,... |
| US-8,194,898 |
Sound reproducing system and sound reproducing method A sound reproducing system includes a first speaker that is supplied with audio signals of a first channel and that is placed so that a reproduced sound image... |
| US-8,194,893 |
Wired in-ear monitor system A portable in-ear audio monitor system for a musician having reduced and simplified overall parts. The in-ear audio system providing the musician with time... |
| US-8,194,892 |
Output coupling capacitor free audio power amplifier dynamically
configured for speakers and headphones with... First and second channel bridge amplifiers are dynamically configured to drive either speakers or headphones. The first channel bridge amplifier includes a... |
| US-8,194,889 |
Hybrid digital/analog loudness-compensating volume control A loudness-compensating volume control method imposes a desired loudness scaling on an audio signal by processing the audio signal in both the digital and... |
| US-8,194,881 |
Detection and suppression of wind noise in microphone signals To reliably and consistently detect desirable sounds, a system detects the presence of wind noise based on the power levels of audio signals. A first transducer... |
| US-8,194,877 |
Audio processing apparatus A processing apparatus comprises a beeper system for controlling operation of a beeper in response to beeper control signals, an audio system for controlling... |
| US-8,194,876 |
Sound transmission system The present invention relates to a sound transmission system using a human body as a propagation medium. The transmission system includes a first signal... |
| US-8,194,874 |
In-room acoustic magnitude response smoothing via summation of correction
signals A system and method are provided for smoothing the in-room acoustic magnitude response of an audio reproduction system. An in-room acoustic magnitude response... |
| US-8,194,873 |
Active noise reduction adaptive filter leakage adjusting An active noise reduction system using adaptive filters. A method of operation the active noise reduction system includes smoothing a stream of leakage factors.... |
| US-8,194,869 |
Audio power management system An audio power management system manages operation of audio devices in an audio system. The audio power management system includes a parameter computer, a... |
| US-8,194,865 |
Method and device for sound detection and audio control Methods and devices for sound detection and audio control are provided. A listening device (100) can include a receiver (102) and a sound director for directing... |
| US-8,194,864 |
Earhealth monitoring system and method I Methods of operating an audio device are provided. A method includes calculating estimated sound pressure levels (SPLs) for drive signals directed to an ear... |
| US-8,194,860 |
Audio signal processing system and surround signal generation method To provide an audio signal processing system, a surround signal generation method and so on that are capable of obtaining stable output signal level and feeling... |
| US-8,194,803 |
Method and apparatus for regaining watermark data that were embedded in an
original signal by modifying... Every watermarking processing needs a detection metric to decide at decoder side whether audio signal content is marked, and which symbol is embedded inside the... |
| US-8,194,647 |
Internet protocol radio dispatch system and method A method and system for dispatching calls using a packet network is disclosed. The use of distributed call management modules, enables various communication... |
| US-8,194,506 |
Analog radio controlled clock with audio alarm arrangement An analog radio controlled clock includes a housing, a plurality of indicating, a radio controlled unit, and an audio alarm arrangement, which includes an alarm... |
| US-8,194,502 |
Variable directivity loud hailing device A system and method for varying the directionality of an acoustic output of a loud hailing and warning device is disclosed. The method includes the operation of... |
| US-8,194,423 |
Method and apparatus to reduce audio frequencies in a switching power
supply An example controller for use in a power supply regulator includes a switch signal generator, a modulation circuit, and a multi-cycle modulator circuit. The... |
| US-8,194,186 |
Receiver capable of generating audio reference clock A receiver for use in a system for transmission from a transmitter to a receiver, the receiver includes a first frequency divider for outputting a first signal... |
| US-8,194,143 |
Digital camera apparatus and recording method thereof A camera apparatus for encoding a video signal received from a photographing means in MPEG video format or equivalent format, encoding an audio signal received... |
| US-8,193,771 |
Battery tester A battery tester determines a remaining level of charge of a battery mounted within a separate electronic device having an audio jack. The battery tester... |
| US-8,192,473 |
Phototherapy apparatus for hair, scalp and skin treatment A wearable hands-free apparatus for providing phototherapy treatment to a number of hair, scalp and skin related conditions includes a head unit (e.g., a... |
| US-8,191,096 |
Control device and method for channel searching in image display device Provided are a system and a method for channel searching in an image display device. When there are requests for channel searching and setting with respect to a... |
| US-8,190,680 |
Method and system for synchronization of digital media playback A system and method for synchronizing digital media playback at multiple digital media playback devices interconnected on a network is provided. A digital media... |
| US-8,190,627 |
Machine assisted query formulation Architecture for completing search queries by using artificial intelligence based schemes to infer search intentions of users. Partial queries are completed... |
File A Patent Application
- Protect your idea -- Don't let someone else file first. Learn more.
- 3 Easy Steps -- Complete Form, application Review, and File. See our process.
- Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.