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-9,312,599 Low profile omni-directional planar antenna with WiFi video streaming capability through broadband network
An antenna device includes a housing defining an interior cavity, and an RF antenna situated within the housing. The RF antenna receives high definition...
US-9,311,962 Audio and/or video generation apparatus and method of generating audio and/or video signals
A camera configured to generate audio/video signals, the camera including a recording unit configured to record the audio/video signals on a recording medium, a...
US-9,311,957 Multi-channel audio signal converting device using time-varying digital filter, electronic system including the...
A multi-channel audio signal converting device using a time-varying digital filter, an electronic system including the same, and a method of converting an audio...
US-9,311,932 Adaptive pause detection in speech recognition
A method, system, and computer program product for adaptive pause detection in speech recognition are provided in the illustrative embodiments. A speech stream...
US-9,311,930 Audio based system and method for in-vehicle context classification
A method of determining contexts for a vehicle, each context corresponding to one or more events associated with the vehicle, for example that the radio is on...
US-9,311,927 Device and method for audible transient noise detection
The present invention relates to a device and a corresponding method for audible transient noise detection in an audio signal. To avoid the detection of false...
US-9,311,925 Method, apparatus and computer program for processing multi-channel signals
The invention relates to a method and an apparatus in which samples of at least a part of an audio signal of a first channel and a part of an audio signal of a...
US-9,311,924 Spectral wells for inserting watermarks in audio signals
A method to watermark an audio signal includes inserting a first symbol in a spectral well, the spectral well corresponding to at least one of a second spectral...
US-9,311,923 Adaptive audio processing based on forensic detection of media processing history
A media signal is accessed, which has been generated with one or more first processing operations. The media signal includes one or more sets of artifacts,...
US-9,311,922 Method, apparatus, and storage medium for decoding encoded audio channels
Multiple channels of audio are combined either to a monophonic composite signal or to multiple channels of audio along with related auxiliary information from...
US-9,311,919 Apparatus and method for coding and decoding multi-object audio signal with various channel
Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals...
US-9,311,915 Context-based speech recognition
A processing system receives an audio signal encoding a portion of an utterance. The processing system receives context information associated with the...
US-9,311,914 Method and apparatus for enhanced phonetic indexing and search
The subject matter discloses a method two phase phonetic indexing and search comprising: receiving a digital representation of an audio signal; producing a...
US-9,311,637 Apparatus and method for commercial transactions using a communication device
An apparatus for effecting commercial transactions with a server using a transaction card via a communication device is provided. The apparatus includes a...
US-9,307,562 Radio repeater system
A system and/or method for facilitating wireless communication in an area where it is difficult to transmit and receive signals may use a preexisting wired...
US-9,307,340 Audio system equalization for portable media playback devices
A method, an apparatus, a system, and instructions stored in a non-transitory computer-readable medium to instruct a processing system to carry out the method....
US-9,307,339 Display apparatus and method for providing stereophonic sound service
Embodiments disclose a display apparatus including a controller configured to detect a vocalized position in the video frame; and an audio processor configured...
US-9,307,338 Upmixing method and system for multichannel audio reproduction
An audio signal enhancing device, and a corresponding method of enhancing stereophonic signals, is provided which generates an enhanced signal with improved...
US-9,307,337 Systems and methods for interactive broadcast content
Devices and methods for scoring viewer's interactions with content broadcast on a presentation device by processing at least one audio signal received by a...
US-9,307,336 Electronic device and audio output circuit therein
An audio output circuit applied in an electronic device includes a filter capacitor and a transistor. A base of the transistor is connected to an audio...
US-9,307,332 Method for dynamic suppression of surrounding acoustic noise when listening to electrical inputs
A listening instrument includes a) a microphone unit for picking up an input sound from the current acoustic environment of the user and converting it to an...
US-9,307,329 Control device for induction loop system
There is provided a control device (220) for an induction loop system configured to: generate a calibration signal (202) having a known amplitude and frequency;...
US-9,307,323 System and method for bass enhancement
A system and method for enhancing the real and/or perceived bass band of an audio signal is disclosed. A computationally simple yet effective bass band...
US-9,307,321 Speaker distortion reduction
Methods and systems specifically designed to reduce loudspeaker distortion by reducing voice coil excursion are provided. An input audio signal is processed...
US-9,307,320 Feedback suppression using phase enhanced frequency estimation
A feedback suppression system for reducing acoustic feedback may include a controller configured to buffer a series of incoming digital sample signals to...
US-9,307,318 Audio processor circuits for acoustic echo cancellation and method therefor
In one form, an audio processor circuit includes a first digital signal processing circuit, a second digital signal processing circuit, and an interleaver. The...
US-9,307,316 Electronic device and method for sensing headset type by audio signal
In a device including a headset jack having an external microphone contact, and an external microphone signal path connected to the external microphone contact,...
US-9,307,315 Waterproof audio and storage system
A portable and waterproof audio reproduction device is provided, comprising a case having a base and a lid defining an internal volume, and further including a...
US-9,307,280 Broadcast receiving device and method for receiving broadcast thereof
A broadcast receiving device and a method for receiving a broadcast thereof are provided. The broadcast receiving device includes a channel receiving unit which...
US-9,307,198 Oral and video proceedings collection and transcription device
A system that enables remote participation in a live proceeding includes a first computer configured to transmit and receive audio and video data with a second...
US-9,307,180 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-9,307,091 Method and apparatus for the secure storage of audio signals
In one embodiment, a method, system and apparatus for recording audio is provided so that the recording can be authenticated. The system may be implemented as a...
US-9,307,075 Method and system for determining environmental characteristics of a called communication device
A first communication device receives a communication from a second communication device. The communication could be part of the signaling used to establish a...
US-9,307,074 Information transmission device and system
A computer implemented method includes making a phone call from a sender to a receiver and providing a non-audio identifier to the receiver in a phone call...
US-9,306,689 System and method for engaging a person in the presence of ambient audio
A computerized method for engaging a user of a mobile computer system, The mobile computer system may be connectible to a server over a wide area network. An...
US-9,306,685 Audio processing system
An audio processing apparatus is configured to process audio signals from a plurality of sources. The audio processing apparatus may include a digital interface...
US-9,306,525 Combined dynamic processing and speaker protection for minimum distortion audio playback loudness enhancement
Apparatuses, methods, computer readable mediums, and systems are described for combined dynamic processing and speaker protection for minimizing distortion in...
US-9,306,524 Audio signal loudness determination and modification in the frequency domain
Methods of, apparatuses for, and non-transitory computer readable media having instructions thereon that when executed cause carrying out methods of determining...
US-9,306,523 Methods and circuits to reduce pop noise in an audio device
A class D amplifier receives and amplifies a differential analog signal which is then differentially integrated. Two pulse width modulators generate pulse...
US-9,306,519 Phantom-powered inline preamplifier with variable impedance loading and adjustable interface
Phantom-powered inline preamplifiers capable of variable impedance loading are disclosed with unique adjustable interfaces. By enabling a user to adjust...
US-9,306,510 Frequency dependent dual solid-state and vacuum tube power amplifier-section instrument amplifier
An audio amplifier apparatus and method which has a preamp, active 2-way crossover, solid-state power amplifier, and tube power amplifier. Audio input from a...
US-9,305,570 Systems, methods, apparatus, and computer-readable media for pitch trajectory analysis
Systems, methods, and apparatus for pitch trajectory analysis are described. Such techniques may be used to remove vocals and/or vibrato from an audio mixture...
US-9,305,567 Systems and methods for audio signal processing
A method for signal level matching by an electronic device is described. The method includes capturing a plurality of audio signals from a plurality of...
US-9,305,566 Audio signal processing apparatus
A computing part computes a correlation coefficient representing a level of correlation among acoustic signals for a plurality of channels. A filtering part...
US-9,305,564 Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal,...
An apparatus for reproducing an audio signal includes a first reproducer configured to reproduce a first portion of the audio signal in a first frequency band...
US-9,305,563 Method and apparatus for processing an audio signal
The present invention relates to a method for processing an audio signal, comprising: a step of performing a frequency conversion process on an audio signal to...
US-9,305,561 Effective deployment of temporal noise shaping (TNS) filters
The MPEG2 Advanced Audio Coder (AAC) standard limits the number of filters used to either one filter for a "short" block or three filters for a "long" block. In...
US-9,305,560 Methods, apparatus and articles of manufacture to perform audio watermark decoding
Example methods, apparatus and articles of manufacture to perform audio watermark decoding are disclosed. A disclosed example method includes receiving an audio...
US-9,305,559 Audio watermark encoding with reversing polarity and pairwise embedding
Audio watermark encoding methods employ reversing polarity and pairwise embedding. A watermark signal is generated, mapped to pairs of embedding locations and...
US-9,305,557 Apparatus and method for processing an audio signal using patch border alignment
Apparatus for processing an audio signal to generate a bandwidth extended signal having a high frequency part and a low frequency part using parametric data for...
← 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.