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-8,587,292 Power measurement circuit
A system for power measurement in an electronic device includes a sensing unit, an analog-to-digital converter (ADC) and a controller. The sensing unit senses...
US-8,587,287 High-bandwidth linear current mirror
High linearity is essential in audio circuitry. As sampling rates for audio applications are needed, high speed and high linearity are needed in analog and...
US-8,584,935 Banking system operated responsive to data read from data bearing records
A banking system includes automated banking machines that operate responsive to data read from data bearing records. Transactions may also be carried out...
US-8,584,252 Electronic device and copyright protection method of audio file thereof
A copyright protection method is applied to an electronic device. The method includes: obtaining digital data of an audio file via Video on Demand (VOD);...
US-8,584,033 Individualized tab audio controls
According to one general aspect, a method may include detecting an audio signal configured to be played from a local loudspeaker. The method may also include...
US-8,583,445 Method and apparatus for processing a signal using a time-stretched band extension base signal
A method and apparatus for processing a signal are discussed. According to an embodiment, the method includes receiving extension information and a downmix...
US-8,583,444 Method and apparatus for canceling vocal signal from audio signal
Provided is a method of canceling a vocal signal, wherein the method includes obtaining a difference signal between two audio signals; and smoothing the...
US-8,583,431 Communications system with speech-to-text conversion and associated methods
A communications system includes a first communications device cooperating with a second communications device. The first communications device multiplexes a...
US-8,583,428 Sound source separation using spatial filtering and regularization phases
Described is a multiple phase process/system that combines spatial filtering with regularization to separate sound from different sources such as the speech of...
US-8,583,426 Speech enhancement with voice clarity
A method for enhancing speech components of an audio signal composed of speech and noise components processes subbands of the audio signal, the processing...
US-8,583,424 Spatial synthesis of multichannel audio signals
A method and associated device are provided for spatial synthesis of a sum signal to obtain at least two output signals, the sum signal as well as the...
US-8,583,177 Receiver for audio player
An accessory for use with an existing portable electronic device has a housing that removably couples to a housing of the existing portable electronic device...
US-8,583,093 Playing local device information over a telephone connection
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for playing local device information over a telephone...
US-8,582,947 Method and apparatus for processing video and audio data received in decoding system
A method and an apparatus for processing video and audio data received in a decoding system are provided. The method includes the following steps. When a...
US-8,582,790 Hearing aid and computing device for providing audio labels
A hearing aid includes a microphone to convert audible sounds into sound-related electrical signals and a memory configured to store a plurality of hearing aid...
US-8,582,789 Hearing enhancement systems
A hearing enhancement system that enhances a user's hearing is disclosed. For example, the system can include an interface unit that has a directional speaker...
US-8,582,786 Automatic gain control of amplifier by dynamic suppressing and output control at multiple stages
A method and apparatus for automatic gain control of an amplifier in which the method and apparatus detects excessive increase in the sound volume or...
US-8,582,785 Method and apparatus to enhance low frequency components and medium frequency components of audio signal
A method and apparatus to enhance one or more low-frequency components and one or more medium-frequency components of an audio signal. The method includes...
US-8,582,784 Method and device for extension of low frequency output from a loudspeaker
A method and device for enhancing low frequency content of an input signal (X), e.g. bass boosting of an audio signal. An overdriving (ODR) of a low frequency...
US-8,582,781 Echo modulation methods and systems
Methods and systems for echo modulation are described. In one embodiment, intensities of a plurality of values in multiple windows of an audio signal may be...
US-8,582,780 Configurable recursive digital filter for processing television audio signals
A television audio signal encoder includes a device that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The device...
US-8,582,754 Method and system for echo cancellation in presence of streamed audio
During playing of a streamed audio while engaging in a voice communication session, a communication device may be operable to generate a background audio during...
US-8,581,782 Simultaneous radio detection and bearing system
Provided is a non-transitory machine readable medium on which is stored a computer program including instructions to adapt a computer system having at least one...
US-8,581,725 Position change sensing anti-theft device
Position change sensing apparatus including at least one audio signal transducer for emitting audio signals and receiving audio signals and computer software...
US-8,581,086 Computer interface for polyphonic stringed instruments
An interface device is described that allows the audio signals from a polyphonic stringed instrument to be introduced into a personal computer environment for...
US-8,579,820 Fetal heart monitoring
A transmit amplifier (12) drives an ultrasound transducer (11) to emit a pulse, and a receive amplifier (13) amplifies the echo signal detected by the...
US-8,578,439 Method and apparatus for presentation of intelligent, adaptive alarms, icons and other information
System actions such as presentation of information to a user via a remote control device are carried out in accordance with user preferences based on, e.g.,...
US-8,578,247 Bit error management methods for wireless audio communication channels
Systems and methods are described for managing bit errors present in an encoded bit stream representative of a portion of an audio signal, wherein the encoded...
US-8,577,687 Hierarchical coding of digital audio signals
The invention relates to a method for scalar quantization-based coding of the samples of a digital audio signal (S), the samples being coded over a ...
US-8,577,686 Method and apparatus for decoding an audio signal
Method and apparatus for processing audio signals are provided. The method for decoding an audio signal includes extracting a downmix signal and spatial...
US-8,577,676 Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround...
In one embodiment the present invention includes a method of improving audibility of speech in a multi-channel audio signal. The method includes comparing a...
US-8,577,673 CELP post-processing for music signals
In one embodiment, a method of receiving a decoded audio signal that has a transmitted pitch lag is disclosed. The method includes estimating pitch correlations...
US-8,577,548 System and method for controlling an entertainment device in a vehicle based on driver status and a...
In at least one embodiment, an apparatus and a method for transmitting at least one of an audio signal and a video signal based on driver status and an...
US-8,577,485 Method and an apparatus for processing an audio signal
A method for processing an audio signal, comprising: receiving the audio signal; and processing the received audio signal, wherein the audio signal is processed...
US-8,577,483 Method for decoding an audio signal
The invention relates to a method for decoding an audio signal, to allow an audio signal to be compressed and transferred more efficiently. The inventive method...
US-8,577,473 Cochlear implant stimulation with low frequency channel privilege
A system and method for activating stimulation electrodes in cochlear implant electrode is described. A preprocessor filter bank processes an input acoustic...
US-8,577,207 Information signal processing apparatus and method, information signal processing system and method, and...
An information signal processing apparatus comprises: data playback unit for playing back data from a recording medium on which featured data is recorded...
US-8,577,077 System for identifying motion video/audio content
A system for identifying motion video/audio content by means of comparing a video A to a registered video B so as to determine if they are originally the same...
US-8,577,062 Device and method for controlling operation of an earpiece based on voice activity in the presence of audio content
An earpiece (100) and a method (300) personalized voice operable control can include capturing (302) an ambient sound from an Ambient Sound Microphone (111) to...
US-8,577,061 Power supply for limited power sources and audio amplifier using power supply
A power supply for limited power sources and an audio amplifier using the power supply comprising power sources to provide an output power signal that can be...
US-8,577,059 Audio system including multiband audio dynamics processor
An audio system includes a level controller receiving an input audio signal from an audio medium. The level controller includes a gain adjust module producing...
US-8,577,056 Limiting peak audio power in mobile devices
Systems and methods of limiting peak audio power in mobile devices may include a high pass filter and a burst module to detect a burst load condition in a...
US-8,577,052 Headphone accessory
A headphone accessory for use with a portable audio device and headphones. The headphone accessory includes an audio source input for receiving audio signals...
US-8,577,047 Control of a loudspeaker output
A loudspeaker drive circuit comprises a signal path compressor/limiter (12) for implementing a change to the peak-mean amplitude ration in the time domain. A...
US-8,577,045 Apparatus and method for encoding a multi-channel audio signal
An encoding apparatus comprises a frame processor (105) which receives a multi channel audio signal comprising at least a first audio signal from a first...
US-8,576,884 Jitter buffer adaptation based on audio content
A system and method for discarding or inserting audio frames in a jitter buffer is described. The system and method provides improved audio quality as compared...
US-8,576,835 Method and apparatus for providing contextual information with telephone calls
The present invention is directed to a method for propagating contextual data in an audio communication by storing the contextual data obtained from a calling...
US-8,576,046 Playback control apparatus and audio system
One aspect of the present invention can include a playback device capable of externally receiving a playback signal for playing back a sound or an image, and...
US-8,575,465 System and method for scoring a singing voice
A system for scoring a singing voice comprises receiving a singing reference audio signal and/or a user audio signal and/or a pitch contour representation (PCR)...
US-8,573,861 Audio jacks with optical and electrical paths
Electronic devices are provided that communicate over cables and other communications paths that include optical and electrical paths. A cable may include wires...
← 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.