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-8,301,161 Method, device, and system for obtaining a mobile computing device location
One embodiment of the present invention comprises a method of determining a mobile computing device location. The method may comprise emitting at least one...
US-8,301,014 Signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception...
A signal recording/reproducing method and apparatus, signal record medium and signal transmission/reception method and apparatus, whereby a signal recorded on a...
US-8,301,007 Video and audio processing system, video processing apparatus, audio processing apparatus, output apparatus,...
A video and audio processing system includes an output apparatus that outputs video data and audio data to be synchronized and reproduced; an audio processing...
US-8,300,872 Method and device for detecting a displacement and movement of a sound producing unit of a woofer
A system for adjusting a response of a loudspeaker system. The system includes a woofer installed in a housing. The woofer includes a woofer cone. A transmitter...
US-8,300,869 Lighting and audio communication system
A lighting and communication system with a horn enclosure for recessed ceiling panel or wall mounting, including a speaker with a horn expansion area to direct...
US-8,300,867 Audio/video device having a volume control function for an external audio reproduction unit by using volume...
An audio/video (A/V) device having a volume control function for external audio reproduction units by using volume control buttons of a remote controller is...
US-8,300,866 Audio/video device having a volume control function for an external audio reproduction unit by using volume...
An audio/video (A/V) device having a volume control function for external audio reproduction units by using volume control buttons of a remote controller is...
US-8,300,861 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-8,300,860 Electret transducer with solar power
The present invention provides an electret transducer with solar power. The provided electrets transducer includes a solar power supply device, an amplifier...
US-8,300,849 Perceptually weighted digital audio level compression
The level of an audio signal can be compressed by receiving an input audio signal, determining a measure of loudness of the signal using a perceptually derived...
US-8,300,848 System and method for adjusting an audio signal
Disclosed is a system and method of adjusting a volume level for an audio signal for a communication device to comply with a quality threshold. The method...
US-8,300,847 De-pop circuit and an associated audio system
A de-pop circuit adaptable to an audio circuit is disclosed. A high-pass filter generates a high-pass output signal according to an output signal of the audio...
US-8,300,845 Electronic apparatus having microphones with controllable front-side gain and rear-side gain
An electronic apparatus is provided that has a rear-side and a front-side, a first microphone that generates a first signal, and a second microphone that...
US-8,300,844 Audible feedback of machine load
A sensor is provided in a machine having a continuously variable transmission, for example, and the amount of force exerted by the machine against a load is...
US-8,300,843 Sound effect circuit and processing method
A sound effect circuit and processing method are disclosed. An input audio signal is input to a digital sound effect unit, an output signal is generated and...
US-8,300,840 Multiple superimposed audio frequency test system and sound chamber with attenuated echo properties
A composite sound dampening structure includes a first base layer of sound dampening material extending around and against an inside surface of a container and...
US-8,300,837 System and method for compensating memoryless non-linear distortion of an audio transducer
A low-cost, real-time solution is presented for compensating memoryless non-linear distortion in an audio transducer. The playback audio system estimates signal...
US-8,300,836 Device and method for automatically testing audio player device
A method for testing an audio player device is provided. The method includes: transcribing sound signals of each of the audio files which are supposed to be...
US-8,300,835 Audio signal processing apparatus, audio signal processing method, audio signal processing program, and...
An audio signal processing apparatus includes a cutout unit, a correlation calculating unit, a spectrum calculating unit, a coefficient calculating unit, and an...
US-8,300,834 Audio signal processing device and audio signal processing method for specifying sound generating period
Even in a state that the change of an environmental noise cannot be anticipated, a sound generating period in an audio signal can be specified with high...
US-8,300,833 Multichannel spectral mapping audio 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...
US-8,300,711 Adaptive differential pulse code modulation/demodulation system and method
An adaptive differential pulse-code modulation-demodulation system and method thereof is provided. The method includes steps of modulating an analog audio input...
US-8,300,552 Network interface unit control system and method therefor
External-services data are processed for use in a user facility in a manner that enables easy user interface and control. According to an example embodiment of...
US-8,300,154 Television receiver
A television receiver cuts power supply to its built-in device which is overlapped with that of the external unit connected to the television receiver for...
US-8,300,147 System and method for in-band A/V timing measurement of serial digital video signals
A system and method for characterizing the relative offset in time between audio and video signals and enables the receiver of the audio and video signals to...
US-8,300,080 Techniques for detecting a display device
Techniques to detect a display device are described. An apparatus may include a video camera operative to receive video information for an image, and a...
US-8,299,361 Method and terminal device for implementing audio connector interface conversion
A method for implementing audio connector interface conversion is provided in an embodiment of the present invention. The method includes installing a 4-pin...
US-8,296,791 Media usage monitoring and measurement system and method
Media monitoring and measurement systems and methods are disclosed. Some embodiments of the present invention provide a media measurement system and method that...
US-8,296,159 Apparatus and a method for calculating a number of spectral envelopes
An apparatus calculates a number of spectral envelopes to be derived by a spectral band replication (SBR) encoder, wherein the SBR encoder is adapted to encode...
US-8,296,158 Methods and apparatuses for encoding and decoding object-based audio signals
An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The...
US-8,296,156 Apparatus and method for encoding/decoding signal
An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a compatible down-mix signal...
US-8,296,155 Method and apparatus for decoding a signal
An apparatus for decoding a signal and method thereof are disclosed, by which the audio signal can be controlled in a manner of changing/giving spatial...
US-8,296,143 Audio signal processing apparatus, audio signal processing method, and program for having the method executed...
An audio waveform processing not imparting any feeling of strangeness and high in definition, in which time stretch and pitch shift are performed by a vocoder...
US-8,296,134 Audio encoding apparatus and spectrum modifying method
A spectrum modifying method and the like wherein the efficiencies of the signal estimation and prediction can be improved and the spectrum can be more...
US-8,295,958 Audio level meter
A circuit for correcting the output of an audio level meter comprises input means for generating the square or the absolute value of an input signal, a low pass...
US-8,295,888 Portable terminal device, audio output device, and audio device
A portable terminal device able to suppress a feeling of strangeness caused by audio not desired by a user is provided. A mobile phone 2 has an audio output...
US-8,295,771 Bluetooth microphone array
The present invention discloses a wireless telephone system using microphone arrays together with additional signal processing to suppress the background noise...
US-8,295,681 Method and system for manipulation of audio or video signals
A method and system for manipulation of audio or video signals.
US-8,295,611 Robust video retrieval utilizing audio and video data
Techniques for determining if two video signals match by extracting features from a first and second video signal, and cross-correlating the features thereby...
US-8,295,532 Method and system for wireless headset instant on capability during battery charging
Methods and systems for wireless headset instant on capability during battery charging are disclosed and may include powering a wireless headset so that it may...
US-8,295,525 Flash-N-scratch
This invention provides a personal and wearable audio system comprising a first and second component; wherein each of the first and second component comprises...
US-8,295,516 System, apparatus, method and program for controlling output
An output control system includes a plurality of output control apparatuses, the output control apparatuses controlling audio signals supplied to respective...
US-8,295,513 Audio system adapters for audio signal distribution using electrical extension cables
Audio cables used in deploying audio equipment are typically selected to minimize signal transmission losses and may be chosen based on a distance between, and...
US-8,295,511 Audio system
An audio system 10 has a plurality of audio sources 12a-12c for outputting audio signals different from each other. A coefficient device 15d adjusts the gain of...
US-8,295,508 Processing an audio signal
A method and apparatus for processing an audio signal to enhance the perceived lower frequency content of the audio signal when played through an audio output...
US-8,295,502 Method and device for typing noise removal
A method for reducing keyboard noise in conferencing equipment which includes a microphone and a keyboard, the method including: providing, at a noise reduction...
US-8,295,499 Audio information processing and attack detection apparatus and method
An audio information processing apparatus and method include dividing an audio signal, determining a time period having a power change ratio of an audio signal...
US-8,295,498 Apparatus and method for producing 3D audio in systems with closely spaced speakers
An audio processing circuit includes a crosstalk cancellation circuit that is advantageously simplified for use in audio devices that have closely-spaced...
US-8,295,496 Audio signal processing
An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed...
US-8,295,495 System and method for detecting rated maximum system deviation (RMSD) and alleviating RMSD mismatch
An FM audio receiver can include a mono/stereo detector that causes the audio receiver to output either a monophonic or a stereophonic signal based on a...
← 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.