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-8,457,319 Stereo encoding device, stereo decoding device, and stereo encoding method
There is disclosed a stereo encoding device capable of accurately encoding a stereo signal at a low bit rate and suppressing delay in audio communication. The...
US-8,457,215 Apparatus and method for suppressing noise in receiver
A receiver suppresses noise simultaneously using a noise suppressor and an automatic gain controller (AGC). The receiver divides a received signal into an audio...
US-8,456,508 Audio processing in a multi-participant conference
Some embodiments provide an architecture for establishing multi-participant audio conferences over a computer network. This architecture has a central...
US-8,454,374 Apparatus and method for mounting audio-visual components
A bracket or support bar system is for installing one or more audio-visual ("A/V") components or modules and generally overcomes the need for external cables...
US-RE44,261 Volume control for audio signals
A motion picture soundtrack reproduction system has a center front soundtrack channel and a plurality of other soundtrack channels. A volume control adjusts the...
US-RE44,259 Apparatus and method for processing audio signals recorded on a medium
This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-8,452,478 Automotive scan tool with enhanced audio, video and voice recognition functionality
A diagnostic tool for a vehicle, includes a signal translator communicating with the vehicle in at least one protocol, an input unit for inputting information,...
US-8,452,434 Mixing signal processing apparatus and mixing signal processing integrated circuit
User is allowed to designate a desired mode defining the respective numbers of channels and mixing buses, and processing for mixing input signals of the number...
US-8,452,433 Path setting method and apparatus for audio system, and audio system
In a mixing system where a console, engine and I/O devices, each possessing a plurality of supply sources and destinations, are connected to a network, a...
US-8,452,431 Effective deployment of temporal noise shaping (TNS) filters
The MPEG2 Advanced Audio Coder (AAC) standard limits the number of filters used to either one filter for a "short" block or three filters for a "long" block. In...
US-8,452,430 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof are disclosed. The apparatus comprises an information receiving unit receiving a downmix signal...
US-8,452,427 Signal path using general-purpose computer for audio processing and audio-driven graphics
An audio system includes a general-purpose computer in the audio signal path to provide, or to enhance, pre-amplification functions. In one embodiment, in...
US-8,452,340 User-selectable headset equalizer for voice calls
A method of providing a user interface on a mobile device for enabling a user to select acoustic equalizer settings for voice call downlink audio signals, the...
US-8,452,328 Method and system of sharing a controller for a combined cellular phone and satellite radio
A method (300) and system (100) for sharing a controller for a combined cellular phone and satellite radio includes a cellular phone module (102), a satellite...
US-8,452,029 Audio system, electronic device and car audio system
An audio system including an inverter, a first amplifier, a first mixer, a main speaker, and a first audio output port is provided. The inverter receives a...
US-8,452,027 Audio conference system
An audio conference system including a controller, a plurality of microphones, and an antenna that makes the controller and the microphones communicate via...
US-8,452,019 Testing and calibration for audio processing system with noise cancelation based on selected nulls
A test system is configured to perform testing and calibration on a sound processing system by generating a test sound signal and measuring the outputs of the...
US-8,451,388 Audio processing apparatus and audio processing method for processing according to detected mode
An audio processing apparatus includes: a transmission signal input/output unit that inputs or outputs a video signal, an audio signal, and a control signal; a...
US-8,451,385 Signal transmitter and signal receiver
In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a...
US-8,451,377 Image display device, method of controlling the same and home network system
An image display device and a home network system are provided. The image display device transmits a broadcasting signal including at least one of a video data,...
US-8,451,375 Lip-sync correcting device and lip-sync correcting method
A video signal and an audio signal are transmitted from a source device to a sink device in conformity with respective predetermined interfaces through...
US-8,451,086 Remote control signaling using audio watermarks
A system for using a watermark embedded in an audio signal to remotely control a device. Various devices such as toys, computers, and appliances, equipped with...
US-RE44,245 Method and apparatus for detecting protection of audio and video signals
A method and apparatus for protecting access to audio and/or video data is accomplished when data is received, where the data may be audio data and/or video...
US-8,448,253 Program licence management technique in an audio signal processing system
CPU of a console accepts a full application activation instruction generated via an activation instruction switch. The CPU searches through all of apparatus of...
US-8,447,620 Multi-resolution switched audio encoding/decoding scheme
An audio encoder for encoding an audio signal has a first coding branch, the first coding branch comprising a first converter for converting a signal from a...
US-8,447,618 Method and apparatus for encoding and decoding residual signal
A residual signal decoding method including dividing a signal into a plurality of sub-bands in a frequency domain, wherein the signal is in a residual signal...
US-8,447,615 System and method for identifying and/or authenticating a source of received electronic data by digital signal...
A system and method for at least one of identifying and authenticating a source of received electronic data, the system comprising: an electronic device...
US-8,447,614 Method and system to authenticate a user and/or generate cryptographic data
System and process for audio authentication of an individual or speaker including a processor for decomposing an audio signal received at the sensor into...
US-8,447,601 Method and device for tracking background noise in communication system
A method and a device for tracking background noise in a communication system are provided. The method includes: calculating a SNR of a current frame according...
US-8,447,597 Audio encoding device, audio decoding device, audio encoding method, and audio decoding method
In an encoding process, a CPU transforms an audio signal from the real-time domain to the frequency domain, and transforms the signal into spectra consisting of...
US-8,447,591 Factorization of overlapping tranforms into two block transforms
An audio encoder/decoder uses a combination of an overlap windowing transform and block transform that have reversible implementations to provide a reversible,...
US-8,447,329 Method for spatially-accurate location of a device using audio-visual information
A system to determine positions of mobile computing devices and provide direction information includes a first mobile computing device configured to broadcast a...
US-8,447,251 Audio signal processing circuit
An audio signal processing circuit comprising: a modulation circuit configured to output a modulated signal of a frequency corresponding to an input audio...
US-8,447,226 Portable satellite earth station and methods of using the same
Various aspects of a portable satellite earth station to facilitate reception of satellite signals and to display audio and video corresponding to the satellite...
US-8,447,053 Flat speaker apparatus with heat dissipating structure and method for heat dissipation of flat speaker
A flat speaker apparatus including a driving circuit module, a flat speaker and a thermally conductive connector, and with a heat dissipating structure is...
US-8,447,050 Thermal feedback for switch mode amplification
A thermal sensor at the output of a switching amplifier senses heat dissipation at the output switch. If an overheating condition is sensed, gain of the digital...
US-8,447,045 Multi-microphone active noise cancellation system
The present technology provides systems and methods for robust feedforward active noise cancellation which can overcome or substantially alleviate problems...
US-8,447,041 Audio output apparatus, audio output method, audio output system, and program for audio output processing
An electricity-to-sound converter reproduces a sound according to a first audio signal. A sound collector outputs a second audio signal. A first frequency band...
US-8,446,963 Method and system for synchronizing audio and video data signals
A system for synchronizing video data and audio data for an optical disc is disclosed. The system includes a demultiplexer, for splitting a data stream into...
US-8,446,909 Extension of audio/video bridging reservation protocol
An audio/vide bridging (AVB) system using an extended AVB reservation protocol, and a resource reservation method are provided where an AVB system using an...
US-8,446,846 Method of passing signal events through a voice over IP audio mixer device
In Voice-over-IP or like systems, audio mixers are used for implanting conferencing applications for IP networks. In such systems, a problem exists as how to...
US-8,446,469 Wireless microphone for use with an in-car video system
An in-car video system and method is provided where a wireless microphone is configured with bi-directional communications capability. In response to a received...
US-D682,864 Display screen with graphical user interface
US-D682,854 Display screen for graphical user interface
US-RE44,231 Apparatus and method for processing audio signals recorded on a medium
This invention relates to a karaoke CD format and a device for controlling audio signals utilizing the karaoke CD format which provides a user with selective...
US-8,443,415 System and method of supporting transport and playback of signals
A method and system of supporting transport and playback of signals, such as audio, video, and data signals. A reference model configured to support transport...
US-8,443,405 Broadcasting service system using mobile communication terminal
According to an embodiment of the present Invention, an apparatus includes an audio video contents receiver configured to receive signals and information, a...
US-8,443,399 Digital broadcast receiver and digital broadcast transmitter
A digital broadcast transmitter includes a first de-multiplexing unit for separating video/audio data and real-time broadcast program information from a...
US-8,443,016 Method and apparatus for approximating an upper-bound limit for an absolute value of a complex number or norm...
A method for approximating an upper bound limit for the absolute value of a complex number or the norm of a two-element vector is disclosed. An upper bound...
US-8,442,837 Embedded speech and audio coding using a switchable model core
A method for processing an audio signal including classifying an input frame as either a speech frame or a generic audio frame, producing an encoded bitstream...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | Next →

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.