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-9,336,792 Systems and methods for voice enhancement in audio conference
System and methods are provided for voice enhancement in audio conferencing among a plurality of participants. An example system includes a signal processor, a...
US-9,336,791 Rearrangement and rate allocation for compressing multichannel audio
Provided are methods and systems for rearranging a multichannel audio signal into sub-signals and allocating bit rates among them, such that compressing the...
US-9,336,786 Signal processing device, signal processing method, and storage medium
There is provided a signal processing device including a voice pickup unit that picks up a user's voice and generates an audio signal, a signal processing unit...
US-9,336,785 Compression for speech intelligibility enhancement
A speech intelligibility enhancement (SIE) system and method is described that improves the intelligibility of a speech signal to be played back by an audio...
US-9,336,767 Detecting device proximities
An audio device may be configured to produce output audio and to capture input audio for speech recognition. In some cases, a second device may also be used to...
US-9,336,765 Pickup device
A pickup device includes: a speed detector which is configured to detect speed of vibration of a soundboard of an acoustic musical instrument; and a signal...
US-9,336,763 Computing device and method for processing music
A computing device converts each input signal corresponding to a key of a music keyboard into a tone of the musical instrument associated with the key. The...
US-9,336,557 Apparatus and methods for processing of media signals
Methods and apparatus for processing media signals. In one embodiment, a data processing device processes fixed and variable rate data using a first and second...
US-9,335,764 Virtual and augmented reality cockpit and operational control systems
Architecture for a multimodal, multiplatform switching, unmanned vehicle (UV) swarm system which can execute missions in diverse environments. The architecture...
US-9,335,703 Audio detection of medium jam
A method of indicating a medium jam along a medium transport path; a plurality of microphones for detecting the sound of the medium being transported as it...
US-9,334,067 Real-time aircraft maintenance terminal
There is described a portable data transmission unit comprising a communications link for electrical connection to an aircraft engine to be maintained; an...
US-9,332,522 Audiolocation system combining use of audio fingerprinting and audio watermarking
An audio-based navigation system for determining a present location or position of a mobile device such as a smartphone within a venue. The system includes a...
US-9,332,373 Audio depth dynamic range enhancement
An audio depth dynamic range enhancement system and method for enhancing the dynamic range of depth in audio sound systems as perceived by a human listener....
US-9,332,372 Virtual spatial sound scape
An apparatus, method and computer program product relating to spatialized audio. There is a set of headphones having an accelerometer and a tilt sensor for...
US-9,332,370 Method and apparatus for using spatial audio rendering for a parallel playback of call audio and multimedia content
Dynamic audio rendering can be achieved by modifying the amplitude, phase, and frequency of audio signal components by varying degrees based on characteristics...
US-9,332,366 Loudspeaker noise inspection method, loudspeaker noise inspection device and recording medium for recording a...
A loudspeaker noise inspection method is to be implemented by an electronic device and includes the steps of: obtaining a frequency sweeping audio signal from...
US-9,332,364 Method and device for personalized hearing
An electronic audio device for use with at least one earpiece or a pair of earpieces, or a pair of earpieces in a headphone, each earpiece having a microphone...
US-9,332,349 Sound image localization apparatus
The present disclosure relates to a sound image localization apparatus that includes head related transfer function (HRTF) filters that receive a monaural audio...
US-9,332,346 Processing of multi-device audio capture
It is inter alia disclosed to select, by a first apparatus (21), one or more recording devices (20) to obtain a set of selected recording devices, or to...
US-9,332,345 Use of microphone capacitance as a switched capacitor in an input network of a delta-sigma modulator
In accordance with embodiments of the present disclosure, a method and apparatus for providing a digitized microphone signal to a digital processing device may...
US-9,332,343 Multi-channel audio system having a shared current sense element for estimating individual speaker impedances...
A programmed data processor obtains a number of input voltage measurements for a number of speaker drivers, respectively, and a sensed shared current being a...
US-9,332,342 Microphone amplifier circuit
The invention provides a microphone amplifier circuit which enhances the SNR (signal noise ratio) and expands the dynamic range by reducing the noise level. A...
US-9,332,341 Audio signal processing system and recording method
A processing apparatus communicatively connected with a mixer apparatus and having an audio recording function is capable of recording in real time audio...
US-9,332,336 Headphone device
[Problem] To provide a headphone device that outputs an audio signal output from a playback device, such that the headphone device has a more compact housing...
US-9,332,160 Method of synchronizing audio-visual assets
A system and method of synchronizing the processing and distribution of audio-visual assets in a distributed production studio are presented. The method...
US-9,332,114 Method for reproducing music file of mobile communication terminal and mobile terminal implementing the same
Mobile communication terminals and methods are provided. A mobile communication terminal includes a transceiver, audio processing unit, speaker, connecting...
US-9,332,109 Software routine and methods for implementing routine to extend time to trace a phone call
Phone call tracing is a law enforcement tool best known for its use by the Federal Bureau of Investigation in trying to catch kidnappers. Tracing a call is...
US-9,331,864 Audio video distribution system using multiple network speaker nodes in a multi speaker session
This disclosure describes an audio video distribution system that uses a local area network to distribute a digital audio signal and that uses multiple network...
US-9,331,656 Audio systems and methods employing an array of transducers optimized for particular sound frequencies
Systems and methods for generating sound, detecting sound, and generating and detecting sound are provided. An array of audio transducers can be provided...
US-9,331,650 Audio system
An audio system includes a channel (10) for processing signals. The channel (10) includes a processing module (50) that follows a chain of modules (40) wherein...
US-9,331,641 Circuit structure for achieving adaptive function in class-D audio power amplifier circuit
Disclosed is a circuit structure for implementing an adaptive function in a class-D audio power amplifier circuit, comprising an operation amplifier, a pulse...
US-9,330,720 Methods and apparatus for altering audio output signals
Methods, systems and computer readable media for altering an audio output are provided. In some embodiments, the system may change the original frequency...
US-9,330,677 Method and apparatus for generating a noise reduced audio signal using a microphone array
A method and apparatus for generating a noise reduced output signal from sound received by a first and second microphone arranged as a microphone array. The...
US-9,330,672 Frame loss compensation method and apparatus for voice frame signal
A frame loss compensation method and apparatus for audio signals are disclosed. The method includes: when a first frame immediately following a correctly...
US-9,330,671 Energy conservative multi-channel audio coding
The invention relates to the technical field of audio encoding and/or decoding technologies, and thus concerns an overall encoding procedure and associated...
US-9,330,670 Computing device and signal enhancement method
A computing device provides a resonance algorithm to process digital signal data according to a principle of physical resonance. The resonance algorithm...
US-9,330,653 Noise reduction apparatus and audio reproduction apparatus
A noise reduction apparatus includes: a speaker with a speaker unit held by holding means to make it possible to mix sounds emitted from front and rear of a...
US-9,330,385 Card payment system
In one example embodiment, a card payment system includes a card payment apparatus, having an audio jack, configured to: read account information stored on a...
US-9,329,833 Visual audio quality cues and context awareness in a virtual collaboration session
Systems and methods for providing visual audio quality cues and context awareness in a virtual collaboration session. In some embodiments, a method may include...
US-9,329,613 Power efficiency improvement of an audio amplifier by adaptive control of a charge pump
A control circuit and method for an audio amplifier detect a signal for driving a speaker to control the switching frequency and the operation mode of a charge...
US-9,326,086 Neural induced enhancement of audio signals
Neural induced enhancement of audio signals is provided to facilitate improving the listening pleasure of a user. An audio processor component can detect brain...
US-9,326,083 Audio signal processing system
An audio signal processing system for recording a sound inputted into a channel of a mixer which receives a plurality of audio signals, processes the audio...
US-9,326,082 Song transition effects for browsing
In one aspect, a method of providing directive transitions between audio signals comprises associating a first/second browsing direction (A1, A2) with a...
US-9,326,073 FM filtering for class-G/H headphones
A radio frequency filtering circuit for audio headphones includes a switching power supply, audio amplifier section, one or more outputs from the audio...
US-9,326,069 System with speaker, transceiver and related devices
A system includes a housing, a speaker included in the housing, and a first transceiver associated with the housing to wirelessly transmit and receive audio...
US-9,326,067 Multiplexing audio system and method
A method and system for multiplexing audio signals into a single channel uses frequency division multiplexing. The frequency division multiplexing method herein...
US-9,326,064 Microphone array configuration and method for operating the same
An apparatus comprises a plurality of microphone units including at least a first microphone unit and a second microphone unit, each of the first and second...
US-9,326,062 Method and system of extending battery life of a wireless microphone unit
A method of extending battery life of a wireless microphone unit includes muting the wireless microphone unit responsive to a mute signal from a base station...
US-9,326,061 Sound output apparatus, audio processing apparatus, sound output method, and audio processing method
A sound output apparatus configured to connect to an audio processing apparatus may include a communication interface which receives an audio signal from the...
US-9,326,060 Beamforming in varying sound pressure level
A method that uses a microphone array for spatially selective sound pickup during an audio-video recording session is described. An audio signal for the...
← 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.