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-8,055,362 Recording-and-reproducing apparatus, information transfer-and-management method, and recording medium
A software program of a flash memory loaded into an IC recorder is read and executed by a PC connected to the IC recorder via an external interface and an...
US-8,055,276 Crisis response system including cell jamming device
A crisis response system including a throw module and a command unit connected by a communication cable. The throw module includes at least one covert video...
US-8,055,221 Method of providing video call service in mobile station in a weak signal environment
Improving the audio QoS of a video call service in a weak signal environment is accomplished. To do this, even if data is damaged in a weak signal environment...
US-8,055,118 Audio visual recording and reproducing apparatus
A combination apparatus incorporating a hard disk drive and an optical disc drive (audio-visual recording and reproducing apparatus) stores one or more keywords...
US-8,055,116 Method and system for providing audio-only recording of an audio/video signal
A method for providing audio-only recording is disclosed. According to the method, a combined video stream and an audio stream are received from a source. The...
US-8,055,012 Hiding and detecting messages in media signals
The present invention relates to steganographically hiding messages in media signals such as video and audio signals. In one implementation, a method of...
US-8,054,999 Audio system with varying time delay and method for processing audio signals
The invention regards a method for processing audio signals whereby an audio signal is captured, digitized and processed in the digital domain by a digital...
US-8,054,998 Multichannel amplifier
In a multichannel amplifier according to the present invention, in a case where a headphone is not connected to a headphone output terminal, a switch IC and...
US-8,054,995 System, method and apparatus for adjusting an output of a transducer
A system and method for modulating the sound pressure that is output from an audio transducer is disclosed. In one embodiment, the method includes receiving an...
US-8,054,993 System for automatic compensation of low frequency audio based on human loudness perceptual models
A system for boosting the bass of an audio signal to closely match or mirrors a plurality of Robinson-Dadson loudness curves by interpolating coefficients from...
US-8,054,989 Acoustic correction apparatus and method for vehicle audio system
Disclosed herein is an acoustic correction apparatus and method for vehicle audio systems which is capable of providing optimal sound at a reference level to a...
US-8,054,987 System for wireless audio signal distribution between a plurality of active loudspeakers
Each loudspeaker (10, 10') comprises means, e.g. of the Bluetooth type, for establishing a wireless interface with every other loudspeaker of the system. The...
US-8,054,986 Method and apparatus for computer communication using audio signals
An acoustic communication device includes a computer device having an acoustic transmitter and/or an acoustic receiver. A signal processing module processes...
US-8,054,981 Energy dependent quantization for efficient coding of spatial audio parameters
Parameters being a measure for a characteristic of a channel or of a pair of channels, wherein the parameter is a measure for a characteristic of the channel or...
US-8,054,979 Audio system for improving a signal to noise ratio
An audio system performing a class-D amplification includes a first pulse width modulation (PWM) signal generation unit and a second PWM signal generation unit....
US-8,054,969 Transmission of a digital message interspersed throughout a compressed information signal
A method is disclosed that enables the transmission of a digital message along with a corresponding media information signal, such as audio or video. A...
US-8,054,968 Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals
An apparatus and method are provided for deciphering recorded digital audio signals and using a smart card to pay for deciphering. Encrypted digital audio...
US-8,054,954 One touch voice memo
The present invention provides a method, device, and system for taking voice memos during a communication session. More specifically, voice memos may be taken...
US-8,054,384 Method of auto-configuring audio-video signals and associated apparatus
An AV switching method capable of auto-configuring a plurality of AV input signals and associated apparatus is provided. An audio-video detector capable of...
US-8,054,166 Method and apparatus for telephonically accessing and navigating the internet
A method for accessing and browsing the internet through the use of a telephone and the associated DTMF signals is disclosed. The preferred embodiment provides...
US-8,054,130 Method for measuring the saturation rate of an audio amplifier
A method and corresponding circuit that adjusts the gain of an audio output stage having a class D amplifier, this method including the steps of setting the...
US-8,054,053 Audio apparatus, switching power supply, and switching control method
When power is turned on and in a state in which a power supply voltage is not supplied from the switching power supply to the second clock generating section,...
US-8,052,480 Pentagon arrangement of multiple pin connectors
A connector for electrically connecting an electronic device to another device includes an outer shell with a front surface that terminates at a front side of...
US-RE42,904 System and apparatus for dynamically generating audible notices from an information network
An apparatus and method for converting information from a text format to an audio format using distributed processing. A first set of computer readable program...
US-8,051,294 Methods for audio watermarking and decoding
The presently claimed invention relates generally to encoding and decoding audio signals to include auxiliary information. One example encoding technique...
US-8,050,934 Local pitch control based on seamless time scale modification and synchronized sampling rate conversion
This invention locally controls the pitch of speech and audio signals. The invention is based on a seamless time scale modification (S-TSM) scheme connected to...
US-8,050,933 Audio coding system using temporal shape of a decoded signal to adapt synthesized spectral components
A receiver in an audio coding system receives a signal conveying frequency subband signals representing an audio signal. The subband signals are examined to...
US-8,050,915 Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear...
In one embodiment, sample information and frame length information are obtained from the audio signal. The sample information indicates a total number of audio...
US-8,050,706 Terminal and method for controlling its audio alarm
The present invention discloses a terminal and a method for controlling audio alarm of the terminal. The method comprises detecting whether a valid wireless...
US-8,050,646 Noise suppressing device
To provide a noise suppressing device which accurately suppresses weak electric field strength pulse noise. A band-limiting unit (5) band-limits a composite...
US-8,050,572 Receiver and electronic device
An abnormal pulse detection circuit in a receiver of the present invention includes: an incoming pulse edge detection circuit which detects the moment of rise...
US-8,050,452 Quantization-based data embedding in mapped data
Novel methods and systems for quantization based data embedding and reading in host signals, such as image, audio and video signals. To embed auxiliary data in...
US-8,050,437 BTE/CIC auditory device and modular connector system therefor
An earpiece auditory device is described which includes a behind-the-ear component shaped to fit behind the ear of a user. The behind-the-ear component can also...
US-8,050,434 Multi-channel audio enhancement system
A method for processing audio signals can include receiving left and right front audio signals, where the left and right front audio signals including...
US-8,050,428 Audio signal transmission circuit
An exemplary audio signal transmission circuit includes a codec to provide analog and digital audio signals; an amplifier connected to the codec to receive the...
US-8,050,425 Audio signal supplying device, parameter providing system, television set, AV system, speaker apparatus, and...
An audio signal supplying device includes a connection terminal which is connected to a speaker unit and which outputs an audio signal to the speaker unit, a...
US-8,050,424 Speaker system, audio amplifier and audio system
Speaker system is constructed of a plurality of speakers each including a bass-reflex type cabinet. The speaker system is designed to differentiate a low-band...
US-8,050,423 Integrated circuit device and audio system
An n-channel integrated circuit device (n is an integer of 1 or greater) for muting an audio signal includes a control circuit configured to generate a control...
US-8,050,422 Audio test apparatus capable of decreasing noise influence in process of audio device testing and method thereof
A audio test method for decreasing noise influence, which includes the following steps: obtaining analog signals; converting the analog signals into digital...
US-8,050,418 Update system for an audio amplifier
A system and method for updating the software of a digital audio amplifier. The digital data used to update the amplifier's software is transmitted as an analog...
US-8,050,415 Method and apparatus for detecting audio signals
A method and an apparatus for detecting audio signals are disclosed. The input audio signal is detected to determine whether it is a background frame. The...
US-8,050,412 Scaling adjustment to enhance stereo separation
A demodulator (10) converts television signals to video baseband signals and audio baseband signals including stereo signals representing a right channel signal...
US-8,050,299 Data transmitting apparatus and method
A ground station multiplexes audio digital data of a plurality of audio broadcasts, GUI data, and download audio data and transmits the multiplexed signal to a...
US-8,050,203 Multi-channel digital wireless audio system
In a multi-channel digital wireless audio system with at least one transmit node and at least one receive node, each node can both receive and transmit digital...
US-8,050,142 Sound collection environment deciding device, sound processing device, electronic appliance, sound collection...
A sound collection environment deciding device for deciding whether the sound was collected in air or in water by utilizing an audio signal of collected sound...
US-8,049,091 Wireless receiver
A wireless receiver for receiving a wireless transmitted audio signal from a wireless transmitter is provided. The wireless receiver comprises a tuning...
US-8,047,599 Automobile and sun visor thereof
A sun visor includes a main body, a television module, a display and a solar panel. The television module is located in the main body to receive television...
US-8,046,688 System for and method of adjusting tempo to match audio events to video events or other audio events in a...
The system and method herein adjust tempo of an audio recording to match audio events to video events or other audio events in an audio-visual recording. The...
US-8,046,674 Internet browsing system
An apparatus for Internet browsing and other Internet-interactive activities, comprises: a camera focusing on a printed hypertext document for generating video...
US-8,046,223 Apparatus and method of voice recognition system for AV system
To improve the accuracy of the voice recognition system for an AV system, the present invention includes a reflected sound remover having a plurality of...
← 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.