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-7,603,190 Digital recording/reproducing apparatus
Based on a digital recorder/player taken as a basic apparatus and which accommodates a field frequency of 60 fields/sec or a frame frequency of 30 frames/sec, an...
US-7,603,150 Wireless communication terminal having an impedance matching circuit
A wireless communication terminal able to suppress deterioration of antenna characteristics due to opening/closing of a terminal, that is, wireless communication...
US-7,603,149 Swivel-type mobile terminal and control method thereof
A swivel-type mobile terminal includes a terminal body having a microphone, a display unit which is rotatably and swingably connected to the terminal body and...
US-7,603,080 Multiple channel wireless communication system
A wireless headphone device may include a receiver for receiving a wireless digital signal containing a plurality of digital audio streams combined with control...
US-7,602,978 Deriving multiple identifiers from multimedia content
The presently claimed invention relates generally to content identification, such as deriving identifiers from content itself. One claim recites a method...
US-7,602,926 Stationary spectral power dependent audio enhancement system
An audio enhancement system (1) for speech recognition or voice control is described, comprising a signal input for carrying a distorted desired signal (z), a...
US-7,602,925 Audio feedback processing system
A signal processing system improves signal quality by accurately locating and eliminating a feedback signal in an input signal, such as an audio signal. The...
US-7,602,924 Reproduction apparatus with audio directionality indication of the location of screen information
A reproduction device has at least one screen for displaying information, with at least four sound reproduction devices respectively at the corners of the...
US-7,602,923 Electro acoustic system built-in test and calibration method
An electro acoustic system built-in test and calibration method utilizes a built-in self-test module to send a test signal through a first circuit device to an...
US-7,602,420 Image capture apparatus, method for controlling the same and computer program
An information code displayed on an image receiver is photographed by an image capture apparatus. Digital data representing a number unique to the image capture...
US-7,602,413 Information processing system and method, information processing apparatus, image-capturing device and method,...
A feature extracting unit obtains sensor data from a plurality of sensors to calculate each feature. When an event determining unit determines the occurrence of...
US-7,602,282 Audio system end of line load module providing a load on the audio circuit in response to a test signal
An end-of-line module provided at the end of the line of an audio circuit provides a load in response to a test signal. The load is detectable by an announcement...
US-7,600,248 Channel identification for digital broadcasts in passenger entertainment systems
A passenger entertainment system having video-on-demand, audio-on-demand, near video-on-demand, and digital and audio broadcast capabilities delivers multiple...
US-7,599,833 Apparatus and method for coding residual signals of audio signals into a frequency domain and apparatus and...
Provided is a residual signal coding/decoding apparatus and method. The residual signal coding apparatus includes a transformer, an LPC coefficient extractor, an...
US-7,599,719 Telephone and telephone accessory signal generator and methods and devices using the same
A device includes a telephone accessory configured and arranged to transmit an audio signal; and an audio effects generator coupled to the telephone accessory or...
US-7,599,705 Wireless transmitter and hearing system
A wireless transmitter includes an antenna and a signal generator. A control signal input to the signal generator controls a frequency band of a carrier...
US-7,599,504 Apparatus and method for adjusting sound volume for televisions and other audio systems
An apparatus for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system, an audio processor...
US-7,599,475 Method and apparatus for generic analytics
A method and apparatus for revealing business or organizational aspects of an organization in audio signals captured from interactions, broadcasts or other...
US-7,598,447 Methods, systems and computer program products for detecting musical notes in an audio signal
Methods, system and/or computer program products for detection of a note include receiving an audio signal and generating a plurality of frequency domain...
US-7,596,490 Low bit-rate audio encoding
In a sinusoidal audio encoder a number of sinusoids are estimated per audio segment. A sinusoid is represented by frequency, amplitude and phase. The invention...
US-7,596,489 Transmission error concealment in an audio signal
A method of concealing transmission error in a digital audio signal in which a signal that has been decoded after transmission is received, the samples decoded...
US-7,596,488 System and method for real-time jitter control and packet-loss concealment in an audio signal
An "adaptive audio playback controller" operates by decoding and reading received packets of an audio signal into a signal buffer. Samples of the decoded audio...
US-7,596,486 Encoding an audio signal using different audio coder modes
The invention relates to a method for supporting an encoding of an audio signal, wherein a first coder mode and a second coder mode are available for encoding a...
US-7,596,351 Audio system, radio record module and methods for use therewith
A radio record module includes a radio data system (RDS) decoder module, that decodes a received RDS signal, that has an associated audio signal, into received...
US-7,596,233 System and method for controlling volume with a single knob
A system for controlling volume with a single knob includes: a knob (10) for generating rotation signals; a controlling apparatus (11) for determining a...
US-7,596,232 Apparatus and method for adjusting sound volume for televisions and other audio systems
An apparatus (10) for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system for controlling...
US-7,596,231 Reducing noise in an audio signal
Methods, machines, systems and machine-readable instructions for processing input audio signals are described. In one aspect, an input audio signal has a noise...
US-7,596,229 Parametric audio system for operation in a saturated air medium
A parametric loudspeaker system and method for reducing distortion in a decoupled audio wave by creating a double sideband parametric ultrasonic signal that...
US-7,596,228 Parametric array modulation and processing method
A system using the nonlinearity of a propagation medium to demodulate an ultrasonic wave having audio modulated onto the ultrasonic frequency, audio signal...
US-7,596,188 Digital interface decode receiver apparatus
A power-down determination circuit calculates the horizontal frequency and vertical frequency, respectively, employing a clock signal obtained from a multiplier...
US-7,595,847 Audio/video playback control system of liquid crystal display television
An audio/video playback control system of liquid crystal display television (LCD TV) is provided to control an audio signal system, an image display system and a...
US-7,594,816 Female connector member for towing connector
A female connector member for a towing connector includes a buzzer mounted in an accommodation chamber of a connector body and electrically connected to the...
US-7,593,853 Baseband modem for speech recognition and mobile communication terminal using the same
A baseband modem and method for voice recognition and a mobile communication terminal using the baseband modem and method are disclosed. A speech recognition...
US-7,593,781 Audio feedback test
Methods and systems provide automated testing of computer facilitated audio input and output devices. A tone is converted from a digital to analog signal and is...
US-7,593,687 System and method for providing event spectators with audio/video signals pertaining to remote events
A system and method for providing content for access by a portable device at an event are provided. The system includes an interface to receive signals from a...
US-7,593,576 Systems and methods of managing audio and other media
The present invention relates generally to fingerprinting (e.g., deriving identifying data from audio or other media content). One claim recites a method...
US-7,593,536 Multimedia audio dock
A multimedia audio dock is provided to support a portable electronic device so that the portable electronic device can stand on a plane. The multimedia audio...
US-7,593,535 Neural network filtering techniques for compensating linear and non-linear distortion of an audio transducer
Neural networks provide efficient, robust and precise filtering techniques for compensating linear and non-linear distortion of an audio transducer such as a...
US-7,593,533 Sound system and method of sound reproduction
A sound reproduction system comprises a left and right speakers located in close proximity, and a sound processor which provides audio signals to the pair of...
US-7,593,529 Scramble methods and apparatus for packetized digital video signal in conditional access system
A conditional access scrambling or encryption technique for a packetized digital data stream, e.g., a MPEG-2 bitstream, (1) by scrambling or encrypting the data...
US-7,593,335 Rate based congestion control for packet networks
The invention herein described consists of a method to compute in a end-to-end fashion the sending rate of data, audio and video flows over a packet switching...
US-7,593,061 Method and apparatus for measuring and/or correcting audio/visual synchronization
A method and apparatus for measuring and/or correcting audio/visual synchronization is disclosed. In one embodiment, a method for providing synchronization of a...
US-7,593,032 System and method for a conference server architecture for low delay and distributed conferencing applications
Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less...
US-7,592,900 Transporter motor alarm
An audio alarm for a transporter having an electric motor. The alarm has a signal generator for generating a signal within the audible frequency range and a...
US-7,592,719 Protection of A/V components
An electrical connection box for wall mounting provides a recessed external plug for receiving or transmitting power to electronic components. The connection box...
US-7,592,548 Security cable, a method for making the same and a method for securing an electronic device
A security cable for electrically connecting an electrical device, such as, for example, a digital camera, a cam-corder, digital audio player, or like device are...
US-7,592,533 Audio loop timing based on audio event information
An audio looping method and system that stores a segment of an audio signal and plays back the stored segment in a repeated loop. The beginning and the end of...
US-7,590,692 Conferencing architecture employing media servers and enhanced session initiation protocol
A conferencing system that can access advanced conferencing features while following essentially the same call flow as conventional conferencing systems. The...
US-7,590,531 Robust decoder
Techniques and tools related to delayed or lost coded audio information are described. For example, a concealment technique for one or more missing frames is...
US-7,590,460 Audio signal processor
An audio signal processor is composed of a data path unit, a mode register and a state machine unit. The data path unit applies one or more arithmetical...
← 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.