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-8,645,126 Apparatus and method of encoding and decoding signals
A method of encoding an audio signal, where signals including two or more channel signals are downmixed to a mono signal, the mono signal is divided into a...
US-8,644,972 Temporal and spatial shaping of multi-channel audio signals
A selected channel of a multi-channel signal which is represented by frames composed from sampling values having a high time resolution can be encoded with...
US-8,644,970 Method and an apparatus for processing an audio signal
A method of processing an audio signal is disclosed. The present invention includes receiving downmix information of at least one downmixed object signal,...
US-8,644,888 Wireless headset switching system
A wireless headset system including a switching unit having a detection circuit coupled to a wireless adapter. The detection circuit provides a first output...
US-8,644,780 Gain control circuit, FM receiver and computer program product
The present invention provides a gain control circuit for an FM receiver that can reduce a reproduced audio output according to the magnitude of the noise...
US-8,644,539 Hearing aid having improved RF immunity to RF electromagnetic interference produced from a wireless...
A hearing aid has improved immunity to RF electromagnetic interference produced from wireless communications devices. A microphone receives audio signals from...
US-8,644,531 Information processing system and information processing method
An information processing system includes a display, a display sensor that detects a movement or a rotation of the display, a transducer unit as an earphone...
US-8,644,526 Audio signal decoding device and balance adjustment method for audio signal decoding device
Fluctuation in decoded signal localization is suppressed to maintain the feel of stereo. A selection unit selects balance parameters when the balance parameters...
US-8,644,522 Method and system for modeling external volume changes within an acoustic echo canceller
A method and system are provided in which a device, such as an acoustic echo canceller, may reduce the residual echo that may be heard at the far end of a...
US-8,644,517 System and method for automatic disabling and enabling of an acoustic beamformer
A system and method that automatically disables and/or enables an acoustic beamformer is described herein. The system and method automatically generates an...
US-8,644,478 System and method for providing telephonic access to an audio stream
System for providing telephonic access to an audio stream comprises an audio transmitting apparatus for transmitting the audio stream from its audio source...
US-8,644,477 Digital Microphone Automixer
The invention provides a digital automixer system that includes a master processing unit and at least one non-master processing unit that are interconnected....
US-8,644,378 Method and apparatus for de-spreading a spread-spectrum audio/video signal
A digital video communication device is provided. The digital video communication device includes a transmitter providing a spread-spectrum video signal...
US-8,643,510 Vehicle key
A vehicle key for radio communication with a vehicle. The vehicle key has a radio transmitter for transmitting radio signals to the vehicle. The vehicle key has...
US-8,643,434 Adjustable gain audio power amplifying circuit
An adjustable gain audio power amplifying circuit includes an input unit, an audio amplifying unit connected to the input unit, a gain adjusting unit connected...
US-8,643,359 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-RE44,741 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-8,639,841 Interface circuit for transmitting and receiving digital signals between devices
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a...
US-8,639,516 User-specific noise suppression for voice quality improvements
Systems, methods, and devices for user-specific noise suppression are provided. For example, when a voice-related feature of an electronic device is in use, the...
US-8,639,514 Method and apparatus for accessing information identified from a broadcast audio signal
A method and device for accessing information identified from a broadcast audio signal receives a broadcast audio signal from a receiver such as a radio or...
US-8,639,501 Method and arrangement for enhancing spatial audio signals
In a method of enhancing spatial audio signals, receiving (S10) an ACELP coded signal comprising a plurality of blocks. For each received block estimating (S20)...
US-8,639,500 Method, medium, and apparatus with bandwidth extension encoding and/or decoding
A method, medium, and apparatus encoding and/or decoding audio signals. By encoding and/or decoding a high-frequency signal using an excitation signal extracted...
US-8,639,499 Formant aided noise cancellation using multiple microphones
A noise cancellation device includes a plurality of first computation modules, a formant detection module, a direction of arrival module and a beamformer. The...
US-8,639,498 Apparatus and method for coding and decoding multi object audio signal with multi channel
Provided are an apparatus and method for coding and decoding a multi object audio signal with multi channel. The apparatus includes: a multi channel encoding...
US-8,639,368 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof are disclosed. The method comprises receiving a downmix signal, object information indicating...
US-8,639,359 Electrical nerve stimulation with broad band low frequency filter
A system and method of generating electrode stimulation signals for an implanted multi-channel electrode array of a cochlear implant includes processing an...
US-8,639,300 Method and apparatus for maintaining transmit audio in a half duplex system
A method for maintaining transmit audio quality under harsh environmental conditions, the method includes receiving audio signals into a microphone of a...
US-8,639,094 System and method for remote control of live TV capability for TV screens
A system for remote control of live TV capability for TV screens, the system comprising satellite feeds (2003) broadcasting means (2002, 2004), a set top box...
US-8,639,092 Audio copy protection system
An apparatus for applying an anti-copy protection signal for use with switchable head recorders, such as Video Hi-Fi recorders, is described. A high frequency...
US-8,639,084 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-8,638,962 Method to reduce feedback in hearing aids
Disclosed is a method of reducing feedback in a hearing aid adapted to be worn by a user, the method comprising the step of: receiving an audio input signal in...
US-8,638,961 Hearing aid algorithms
The invention relates to a method of operating an audio processing device. The invention further relates to an audio processing device, to a software program...
US-8,638,960 Hearing aid with improved localization
A BTE hearing aid includes a BTE hearing aid housing, at least one BTE sound input transducer, a processor configured to generate a hearing loss compensated...
US-8,638,954 Audio signal processing apparatus and speaker apparatus
An audio signal processing apparatus includes: a first filtering unit which outputs an audio signal while attenuating frequency components except for preset...
US-8,638,953 Systems and methods for generating phantom bass
In many audio playback systems, frequencies below a given cut off frequency are suppressed either due to speaker constraints or safety constraints. For example,...
US-8,638,951 Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone...
At least two microphones generate wideband electrical audio signals in response to incoming sound waves, and the wideband audio signals are filtered to generate...
US-8,638,948 Multi-channel audio signal processing
The invention relates to multi-channel audio signal processing, in particular to a method of processing a multi-channel audio signal and to a signal processing...
US-8,638,947 Angle-dependent operating device or method for generating a pseudo-stereophonic audio signal
An angle-dependent operating device and method for obtaining a pseudo-stereophonic audio signals, such as through the parameterization of a fictitious opening...
US-8,638,945 Apparatus and method for encoding/decoding signal
An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes skipping extension information included in an...
US-8,638,918 Source selection for conference bridges
The present invention provides an audio source selection process for a conference bridge. The conference bridge receives multiple audio sources and selects at...
US-8,638,219 Device and methods of providing radio data system information alerts
Devices and methods of generating an alert comprise receiving a broadcast radio transmission at a communication device, wherein the broadcast radio transmission...
US-8,637,757 Systems and methods for the creation and playback of animated, interpretive, musical notation and audio...
A music application guides a user with some musical experience through the steps of creating and editing a musical enhancement file that enhances and plays in...
US-RE44,737 Three-dimensional position calibration of audio sensors and actuators on a distributed computing platform
A first computing device transmitting a wireless signal to a second and third computing devices, the signal requesting an actuator of the second computing...
US-RE44,729 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-8,635,655 Input switching apparatus and input switching method of audio/video signal, and audio/video system
An input switching apparatus includes a plurality of AV signal input units; a communication unit that communicates with another AV device; an input selection...
US-8,635,077 Apparatus and method for expanding/compressing audio signal
In an audio signal expanding/compressing apparatus adapted to expand or compress, in a time domain, a plurality of channels of audio signals by using similar...
US-8,635,065 Apparatus and method for automatic extraction of important events in audio signals
The present invention discloses an apparatus for automatic extraction of important events in audio signals comprising: signal input means for supplying audio...
US-8,634,946 Apparatus and method for calculating a fingerprint of an audio signal, apparatus and method for synchronizing...
For calculating a fingerprint of an audio signal, the audio signal is divided into subsequent blocks of samples. For the subsequent blocks, one fingerprint...
US-8,634,945 Device for generating sound messages with integrated defect detection
In an audio device for generating sound messages MSGi, a detection of defects is carried out by the digital superposition, on the samples of audio sequences to...
US-8,634,582 Hearing aid with an elongate member
A hearing aid includes a housing for accommodation of a signal processor for processing an audio signal into a processed audio signal compensating a hearing...
← 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.