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-9,136,962 Frequency characteristics control device
A frequency characteristics control device of a mixer mixes a first audio signal and a second audio signal inputted to the mixer. In the frequency ...
US-9,136,881 Audio stream mixing with dialog level normalization
A method for mixing of audio signals that allows maintaining of a consistent perceived sound level for the mixed signal by holding the sound level of the...
US-9,136,874 Method and apparatus for transmission and reception of in-band on-channel radio signals including complementary...
A method of transmitting digital information includes: receiving a plurality of information bits representing audio information and/or data; encoding the...
US-9,136,810 Audio gain control using specific-loudness-based auditory event detection
In one disclosed aspect, dynamic gain modifications are applied to an audio signal at least partly in response to auditory events and/or the degree of change in...
US-9,136,799 Amplifier using voltage variable power supply
An amplifier is capable of reducing the quantization error caused by conversion accuracy in an A/D converter circuit and, particularly, capable of improving the...
US-9,136,798 Method and apparatus for outputting audio signal
An apparatus for outputting an audio signal with improved sound quality is provided. The apparatus includes a modulation and amplification unit for pulse...
US-9,136,796 Negative audio signal voltage protection circuit and method for audio ground circuits
Self-grounded circuitry (10) includes a signal channel conducting an output voltage (V.sub.OUT1). A charge pump (2) powered by a reference voltage (V.sub.DD)...
US-9,135,954 Image tracking and substitution system and methodology for audio-visual presentations
The present invention relates to a system and method for processing a video input signal providing for tracking a selected portion in a predefined audiovisual...
US-9,135,929 Efficient content classification and loudness estimation
Efficient Context Classification and Gated Loudness Estimation The present document relates to methods and systems for encoding an audio signal. The method...
US-9,135,927 Methods and apparatus for audio processing
Systems and techniques for determining characteristics to be exhibited by a sound phrase. A user draws traces on an input device indicating characteristics,...
US-9,135,922 Method for processing audio signals, involves determining codebook index by searching for codebook...
The present invention provides a method for processing audio signals, and the method comprises the steps of: receiving input audio signals corresponding to a...
US-9,135,921 Audio coding device and method
An audio coding device that uses a first-channel signal, a second-channel signal, and a plurality of channel prediction coefficients included in a code book,...
US-9,135,920 System for perceived enhancement and restoration of compressed audio signals
A system for processing compressed audio includes a signal enhancer module configured to generate one or more signal treatments. The one or more signal...
US-9,135,907 Method and apparatus for reducing the effect of environmental noise on listeners
A method and apparatus for enhancing a desired audio signal for delivery through an electroacoustic channel include obtaining a noise estimate attributable to...
US-9,135,672 Display system and data transmission method thereof
A display system and a data transmission method thereof are provided. When a first frame stored in a frame buffer is identical to a second frame to be output...
US-9,135,617 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-9,131,868 Hearing determination system, and method and program for the same
The determination system includes a presented-speech sound control section for determining a speech sound to be presented to a user; auditory/visual stimulation...
US-9,131,326 Audio signal processing
A method and apparatus for determining if there is a stream of video signals corresponding with a stream of audio signals. If the sample rate of a digital...
US-9,131,320 Audio device with a voice coil channel and a separately amplified telecoil channel
A portable audio device has a voice coil audio signal processor in which a desired audio content signal is combined with an anti-noise signal produced by an...
US-9,131,318 Method and system for providing hearing assistance to a user
A method for providing hearing assistance to a user by capturing input audio signals; estimating a speech level of the input audio signals and an ambient noise...
US-9,131,313 System and method for audio reproduction
Systems and methods of audio reproduction are described. In one embodiment, one or more processors can be configured, for example, to receive an L channel...
US-9,131,306 Apparatus including means for connecting to one or more outer speakers as well as means for detecting such a...
An audio appliance includes two external connections for connection to external loudspeakers, and includes means for establishing an electrical signal between...
US-9,131,302 Speaker temperature control using speaker temperature and speaker impedance estimates
A thermal control module computes an estimate of a temperature of a speaker, based on an audio signal that is driving the speaker, and computes a gain that is...
US-9,131,298 Constrained dynamic amplitude panning in collaborative sound systems
In general, techniques are described for performing constrained dynamic amplitude panning in collaborative sound systems. A headend device comprising one or...
US-9,131,297 Method and apparatus for processing audio signal
Provided are an audio signal processing apparatus and method. The audio signal processing apparatus includes: a sensing unit for sensing an impedance value of a...
US-9,131,296 Auto-configuring audio output for audio performance and fault detection
An audio system has a connector with a signal pin that interfaces the audio system with an external device. An audio integrated circuit has a digital to analog...
US-9,131,295 Multi-microphone audio source separation based on combined statistical angle distributions
Systems, methods, and computer media for separating audio sources in a multi-microphone system are provided. A plurality of audio sample groups can be received....
US-9,131,294 Apparatus including microphone arrangements
An apparatus includes first and second microphone arrangements, arranged to output first and second signals respectively and is operable in a first mode and a...
US-9,131,291 Audio recording and playback device, and power feed method for audio recording and playback device
An audio recording and playback device, of the present invention, capable of recording and playing back audio, comprises an audio input section for converting...
US-9,131,290 Audio coding device, audio coding method, and computer-readable recording medium storing audio coding computer...
An audio coding device includes a time frequency transform unit that, with respect to each of a plurality of channels included in an audio signal, generates a...
US-9,131,205 System and method for distraction of patient during scanning
A system and method for reducing anxiety of a patient during medical scanning in a medical scanner which may produce significant levels of acoustic noise. A...
US-9,131,105 Dynamic telepresence system and method
A telepresence participating room configured for audio visual communication with a plurality of other participating rooms is disclosed. The telepresence...
US-9,131,079 System and method for providing a television network customized for an end user
A hybrid audio and video system and method of providing a television network customized for an end user at an end user location are provided. A video signal...
US-9,131,057 Managing subconference calls within a primary conference call
Managing subconference calls within a primary conference call. An approach includes establishing a primary conference call including a plurality of...
US-9,131,043 System and method for provision of infrared signalling in smart phone devices
A smart phone device is fitted with a dual mode communications interface device having a housing wherein the housing provides access via an exterior of the...
US-9,131,041 Using an auxiliary device sensor to facilitate disambiguation of detected acoustic environment changes
Audio input may be received at one or more microphones of a mobile device. Based on the audio input, a change in an acoustic environment of the device, such as...
US-9,130,830 Method for detecting video tiling
A method for detecting errors on an audio/video (A/V) data stream in a data service network includes providing multicast components operably coupled to each...
US-9,130,683 Silence based attenuation for enhanced idle-channel FM or other receiver co-existence with a coexisting radio...
An electronic circuit (100) for use in a wireless receiver (1720). The circuit (100) includes an audio demodulator (15), an audio envelope portion (35) operable...
US-9,130,643 Systems and methods for enhancing audio quality of FM receivers
Systems and methods are described for enhancing the audio quality of an FM receiver. In embodiments described herein, quadrature L-R demodulation is applied to...
US-9,130,527 Method and system for controlling distortion in a critical frequency band of an audio signal
In some embodiments, a method and system for controlling distortion of the output of a miniature speaker by attenuating critical frequency band of the input...
US-9,130,523 Methods and apparatus for processing audio signals
A method for processing an audio signal (i(t)), comprises: receiving a first set (x(t)) of time-varying signals representing a first sound comprised in the...
US-9,130,513 Method and apparatus for amplifying audio signal
An audio signal amplifying device and method for reducing a size and corresponding power consumption of demodulation filters in the signal amplifying device. In...
US-9,130,512 Audio amplifier and method for recognition an audio amplifier
Audio amplifiers are used in many known forms in music systems, for example for domestic use or for playing music in cinemas, discos etc., but also in public...
US-9,129,608 Temporal interpolation of adjacent spectra
Embodiments of the present invention exploit redundancy of succeeding FFT spectra and use this redundancy for computing interpolated temporal supporting points....
US-9,129,602 Mimicking user speech patterns
Approaches are described for generating an audio signal that mimics speech captured a computing device. An input audio signal (e.g., a speech signal) can be...
US-9,129,600 Method and apparatus for encoding an audio signal
A hybrid speech encoder detects changes from music-like sounds to speech-like sounds. When the encoder detects music-like sounds (e.g., music), it operates in a...
US-9,129,597 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent...
An audio signal decoder configured to provide a decoded audio signal representation on the basis of an encoded audio signal representation including a sampling...
US-9,129,592 Signal artifact detection and elimination for audio output
A method and apparatus are provided for processing a received digital radio broadcast signal to efficiently remove signal interference artifacts from digital...
US-9,129,590 Audio encoding device using concealment processing and audio decoding device using concealment processing
Disclosed are an audio encoding device and an audio decoding device which reduce degradation of subjective quality of a decoding signal caused by power mismatch...
US-9,129,500 Apparatus for monitoring the condition of an operator and related system and method
An apparatus includes a headset having one or more speaker units. Each speaker unit is configured to provide audio signals to an operator. Each speaker unit...
← 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.