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-7,758,365 Self-muting audio connector
This disclosure concerns methods, systems and apparatus that can be automatically activated by means of insertion into a jack socket and designed such that when...
US-7,757,255 Digital broadcasting receiver
A digital broadcasting receiver includes an operating section configured to select a channel, and a video/audio data obtaining section configured to obtain...
US-7,757,051 Dynamic memory reconfiguration for signal processing
A system and method for processing data (e.g., encoded audio data in an audio decoder). Various aspects of the present invention may comprise a first memory...
US-7,756,874 System and methods for providing automatic classification of media entities according to consonance properties
In connection with a classification system for classifying media entities that merges perceptual classification techniques and digital signal processing...
US-7,756,715 Apparatus, method, and medium for processing audio signal using correlation between bands
Apparatus, method, and medium for processing an audio signal using a correlation between bands are provided. The apparatus includes an encoding unit encoding an...
US-7,756,714 System and method for extending spectral bandwidth of an audio signal
A system is provided for extending the spectral bandwidth of a bandwidth limited audio signal by applying a nonlinear function to the bandwidth limited speech...
US-7,756,713 Audio signal decoding device which decodes a downmix channel signal and audio signal encoding device which...
In the conventional art inventions for coding multi-channel audio signals, three of the major processes involved are: generation of a reverberation signal using...
US-7,756,704 Voice/music determining apparatus and method
A voice/music determining apparatus is configured to calculate first feature parameters for discriminating between a voice signal and a musical signal; and...
US-7,756,701 Audio signal processing using pilot based coding
An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to...
US-7,756,550 Hands free device for a cellular phone
A hands free device for a cellular phone which has a telephone transceiving unit for a mobile radio network and in addition a communication device for the...
US-7,756,465 Digital radio feedback apparatuses, system, and methods
An apparatus, system, and method for establishing a two-way communication feedback path between a receiver and a transmitter. The receiver includes an input...
US-7,756,390 Video signal separation information setting method and apparatus using audio modes
It is determined whether or not the total length or ratio of periods in which an audio signal is set in a first mode with respect to the preset length of...
US-7,756,344 System for displaying character and a method thereof
Disclosed are an image processing system for displaying character information and a method for the same. According to the image processing system, character...
US-7,756,285 Hearing aid with tuned microphone cavity
A hearing aid comprises a microphone that receives incident sound waves from one or more sources external to the hearing aid, and converts the sound waves into...
US-7,756,280 Audio processing system and method for automatically adjusting volume
The present invention relates to an audio processing system and method for automatically adjusting volume. The method includes steps of: calculating a noise...
US-7,756,278 Ultra-directional microphones
Some embodiments provides a highly directional audio response that is flat over five octaves or more by the use of multiple colinear arrays followed by signal...
US-7,756,277 Distributed audio system
A distributed stereo system includes two (or more) speakers; a source of audio signals; an amplifier in the same room as the speakers that drives the speakers;...
US-7,756,276 Audio amplification apparatus
A method of adjusting frequency-dependent amplification in an audio amplification apparatus. The audio amplification apparatus includes a forward transfer path...
US-7,756,275 Dynamically controlled digital audio signal processor
A system and method for processing multiple channel audio signals to create a realistic soundscape in a space largely independent of the number of loudspeakers...
US-7,756,274 Sonic landscape system
A system for providing a listener with an augmented audio reality in a geographical environment said system comprising a position locating system for determining...
US-7,756,234 Method of and system for controlling frame synchronization for European Digital Audio Broadcasting
Disclosed are a method of and a system for controlling frame synchronization for European Digital Audio Broadcast (DAB), the method including the steps of...
US-7,756,110 Network-based control of audio/video stream processing
A method for controlling media stream processing comprises: (a) transmitting a media stream, via a first packet-based network, to an operator; (b) receiving from...
US-7,755,975 System for providing wireless waterproof audio
Disclosed herein are systems and methods for providing wireless waterproof audio to a user in an aquatic environment. The systems may include earphones adapted...
US-7,755,471 Motion sensitive self-contained audio module for warning signs
A self-contained motion sensitive audio module includes a sensor circuit coupled to a pyroelectric infrared sensor with two sensing elements configured for...
US-7,755,221 Electronic device with compound audio interface and power adapter
An exemplary electronic device includes a power module having an anode and a cathode; an audio module having an audio signal terminal and a ground terminal; an...
US-7,755,216 Uninterrupted power supply with IR control link
A Universal Power Supply (UPS) protects audio/visual (A/V) components from damage that may occur due to a sudden power loss by first, providing back up power via...
US-7,754,958 Sound analysis apparatus and program
A sound analysis apparatus stores sound source structure data defining a constraint on one or more of sounds that can be simultaneously generated by a sound...
US-7,754,956 Programmable system to integrate generated signals with signals from a musical instrument
A programmable system for integrating signals in a musical instrument including a programmable device that is configured to create re-callable scenes, where the...
US-7,753,163 Multi-frequency acoustic vibration transmission method and system
A method and system (50) for inducing multi-frequency vibrations in a vibration propagating structure, for example a seat (52), is disclosed. The system is...
US-7,752,053 Audio signal processing using pilot based coding
An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to...
US-7,752,042 Methods and apparatus to operate an audience metering device with voice commands
Methods and apparatus to operate an audience metering device with voice commands are described herein. An example method to identify audience members based on...
US-7,752,038 Pitch lag estimation
Autocorrelation values are determined as a basis for an estimation of a pitch lag in a segment of an audio signal. A first considered delay range for the...
US-7,752,037 Pitch extraction methods and systems for speech coding using sub-multiple time lag extraction
A method of determining a pitch period of an audio signal using a correlation-based signal derived from the audio signal. The correlation-based signal includes...
US-7,751,916 Closed loop analog signal processor ("CLASP") system
A system, apparatus, device, and method for recording sounds and music with the character and sonic benefits of a genuine analog tape recording is disclosed....
US-7,751,915 Device for level correction in a wave field synthesis system
For a level correction in a wave field synthesis system having a wave field synthesis module and an array of loudspeakers for providing sound to a presentation...
US-7,751,914 Signal processing apparatus
A signal processing apparatus includes an input attribute determination section for determining an input attribute representing at least one of a type of an...
US-7,751,795 Wired, wireless, infrared, and powerline audio entertainment systems
A method and system for communicating audio signals between an input device and an output device via a network. The output device can include loudspeakers and...
US-7,751,590 Video and audio content analysis system
The present invention is directed to various methods and systems for analysis and processing of video and audio signals from a plurality of sources in real-time...
US-7,751,588 Error processing of steganographic message signals
A form of error processing is used to decode steganographic messages embedded in image and audio signals in the presence of distortion, which tends to introduce...
US-7,751,576 Loudspeaker apparatus
A loudspeaker apparatus has an improved reproduction characteristic of signals of small sound volumes. The loudspeaker apparatus includes a small-signal...
US-7,751,574 Reverberation apparatus controllable by positional information of sound source
In a reverberation apparatus, a storage section stores a directional characteristic representing a directivity of generated sound at a sound generating point. A...
US-7,751,572 Adaptive residual audio coding
An audio signal having at least two channels can be efficiently down-mixed into a downmixe signal and a residual signal, when the down-mixing rule used depends...
US-7,751,534 System and method for the emergency voice and image e-mail transmitter device
A voice-image e-mail transmitter device that is designed for emergency and surveillance purposes is disclosed. This device converts voice signals and picture...
US-7,751,480 Video encoding and video/audio/data multiplexing device
The present invention provides a buffer architecture and latency reduction mechanism for buffering uncompressed/compressed information. This combination provides...
US-7,751,434 Unified distributed architecture for a multi-point video conference and interactive broadcast systems
A unified architecture for a multipoint VC session and interactive broadcasting system is provided that includes a server, one or more video accessing points,...
US-7,751,378 Method, apparatus and system for client-based distributed PBX for enterprise telephony
A system and associated processes to provide interactive public branch exchange (PBX) processes. The PBX processes including: session initiation protocol (SIP)...
US-7,750,978 Audio/video separator
An audio/video separator provides a high-performance and cost-effective solution to analog TV reception with only one A/D converter and a minimum of analog IF...
US-7,750,829 Scalable encoding and/or decoding method and apparatus
A method and apparatus to scalably encode or decode an audio signal or a video signal. A signal distribution is considered after binarization is performed based...
US-7,750,820 Christmas tree alerting device
An emergency alerting device for a Christmas tree utilizing a sheath having a housing forming an open chamber which is capable of encompassing the top of a...
US-7,750,229 Sound synthesis by combining a slowly varying underlying spectrum, pitch and loudness with quicker varying...
The present synthesizer generates an underlying spectrum, pitch and loudness for a sound to be synthesized, and then combines the underlying spectrum, pitch and...
← 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.