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-7,916,872 Integrated short range RDS FM transmitter
A low-power, software based modulator that is used to transfer text data from an auxiliary audio device to an FM radio receiver includes a processor that...
US-7,916,848 Methods and systems for participant sourcing indication in multi-party conferencing and for audio source...
Indications of which participant is providing information during a multi-party conference. Each participant has equipment to display information being...
US-7,916,843 Digital telephone data and control signal transmission system
Techniques are disclosed for using Ethernet Layer 1 as a means for transporting audio, control, and status signals between telephones and an aggregator device in...
US-7,916,823 Auto-referencing mixed-mode phase locked loop for audio playback applications
Audio streaming is made available throughout the signal processing path of a speech (or audio) processor of a cochlear implant system. Audio streaming allows one...
US-7,916,686 Method and communication network components for managing media signal quality
A media signal quality manager for controlling one or more parameters of a network node through which passes a media signal. The audio signal quality manager has...
US-7,915,511 Method and electronic device for aligning a song with its lyrics
A method of aligning a song with lyrics of the song which comprises the steps of aligning each lyrics fragment of a group of similar lyrics fragments (C) in the...
US-7,914,341 Audio signal switcher
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a...
US-7,914,340 Audio signal switcher
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes...
US-7,914,339 Audio signal switcher
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes at least two audio jacks and a first USB port. The first USB...
US-7,913,288 Home entertainment system
A dedicated apparatus for playing unmodified software, housed in a home entertainment system chassis, for playing in a home entertainment environment the...
US-7,912,729 High-frequency bandwidth extension in the time domain
A system extends the high-frequency spectrum of a narrow band audio signal in the time domain. The system extends the harmonics of vowels by introducing a non...
US-7,912,728 Method and system for handling the processing of bluetooth data during multi-path multi-rate audio processing
An audio codec in a baseband processor may be utilized for mixing audio signals received at a plurality of data sampling rates. The mixed audio signals may be up...
US-7,912,709 Method and apparatus for estimating harmonic information, spectral envelope information, and degree of voicing...
A degree of voicing is extracted using the characteristic of harmonic peaks existing in a constant period by converting an input speech or audio signal to a...
US-7,912,566 System and method for transmitting/receiving object-based audio
Provided is a system and method for transmitting/receiving an object-based audio. The system includes: a pre-processing unit for receiving an audio signal from...
US-7,912,564 Digital mixing system with double arrangement for fail safe
A digital mixing system has a console having a display and an operator for transmitting and receiving a control signal, an engine having input channels and...
US-7,912,501 Audio I/O headset plug and plug detection circuitry
A single prong, multiple signal conducting plug and plug detection circuitry is provided. The plug may be electrically coupled to a stereo headset including a...
US-7,912,232 Method and apparatus for removing or isolating voice or instruments on stereo recordings
A first embodiment of the invention provides a method and apparatus for attenuating or amplifying voice or other signals present on a stereo audio recording that...
US-7,912,231 Systems and methods for reducing audio noise
Various embodiments of systems and methods for reducing audio noise are disclosed. One or more sound components such as noise and network tone can be detected...
US-7,912,226 Automatic measurement of audio presence and level by direct processing of an MPEG data stream
Automatic measurements are made of audio presence and level in an audio signal by direct processing of an MPEG data stream representing the audio signal, without...
US-7,912,211 Portable speakerphone device and subsystem
Disclosed herein are portable teleconferencing products that implement a doubletalk detector in a low frequency range or in a frequency range commensurate with...
US-7,912,208 Systems, methods, and devices for an enhanced on-hold interface
An on-hold interface system is disclosed. According to one embodiment, the system includes an interactive voice response system for providing a plurality of...
US-7,912,153 System and method of performing digital multi-channel audio signal decoding
A system and method are disclosed for performing digital multi-channel decoding of a BTSC composite audio signal. Each subsequent stage of the digital...
US-7,912,149 Synchronization and segment type detection method for data transmission via an audio communication system
A system and method for asynchronous data communication over a cellular communications network that allows the transmission of different types of data frames...
US-7,911,983 Selective mute/unmute control over applications running on a PC
A computer includes a sound card and a processor that runs one or more applications that cause the processor to generate audio signals coupled to the sound card....
US-7,911,901 Magnetic and optical rotating storage systems with audio monitoring
A control system for a rotating data storage device includes a drive module configured to at least one of (i) process data, (ii) store data, and (iii) control...
US-7,911,537 Multichannel video reception apparatus and method for digital broadcasting
Provided is a multichannel video reception apparatus of a mobile communication terminal for digital broadcasting. An RF processor receives a broadcast signal of...
US-7,911,493 Display accessory for a mobile device
A portable wireless system that comprises a display accessory in communication with a mobile device. The mobile device is configured to communicate with a base...
US-7,911,401 Earphone antenna and wireless device including the same
An earphone antenna is provided that can eliminate high-frequency adverse effects on a wireless device transmitted from a human body via an earphone. The...
US-7,911,353 Verifying speaker operation during alarm generation
The patent discloses a method of verifying that a dialysis machine audio alarm has been sounded. The method senses a waveform of electric power, such as a...
US-7,911,328 Capture and remote reproduction of haptic events in synchronous association with the video and audio capture...
Method and apparatus for reproducing and applying reproductions of haptic vibrations that occur at a live activity to a remote video and audio viewer. In...
US-7,911,280 Amplifier stage
An amplifier stage for generating an amplified output signal from an input signal, a mobile device comprising an audio amplifier, and an amplification method for...
US-7,910,819 Selection of tonal components in an audio spectrum for harmonic and key analysis
An audio signal is processed to extract key information by selecting (102) tonal components from the audio signal. A mask is then applied (104) to the selected...
US-7,909,651 Multifunctional connection cord for multimedia device
A multifunctional connection cord having data and power interfaces for a personal computer and audio interface for an earphone is provided. A multifunctional...
US-7,908,630 Method and apparatus for internet co-browsing over cable television and controlled through computer telephony
A novel mechanism is disclosed by which a sender can direct information such as an audiovisual signal to a particular recipient's audiovisual display device,...
US-7,908,320 Tracking user locations over multiple networks to enable real time communications
A multimedia collaboration system that integrates separate real-time and asynchronous networks--the former for real-time audio and video, and the latter for...
US-7,908,306 SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator
Systems and methods for converting a data stream from a first sample rate to a second sample rate using a sample rate converter that employs selectable filters....
US-7,908,148 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-7,908,140 Method and apparatus for performing packet loss or frame erasure concealment
The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or...
US-7,908,134 Automatic volume control to compensate for speech interference noise
A microphone detects acoustic waves from speakers, or for a two-way voice communication device, a user's voice and background noise, and produces a corresponding...
US-7,907,977 Echo canceller with correlation using pre-whitened data values received by downlink codec
Duplex audio communications over a network use compressed audio data, with linear prediction coefficients (LPCs) and variances by which sample values differ from...
US-7,907,903 Bluetooth hands-free car kit
A bluetooth hands-free car kit includes a hands-free cell phone/PDA holder electrically connected to the internal electric circuit of a car for receiving and...
US-7,907,741 Recording device and adjustment method of recording device
A recording device obtains audio signals by plural microphones and records the audio signals on a recording medium. The device includes plural incorporated...
US-7,907,740 Electrostatic ultrasonic transducer drive control method, electrostatic ultrasonic transducer, ultrasonic...
A Push-Pull-type electrostatic ultrasonic transducer includes a first electrode having a through hole, a second electrode having a through hole making a pair...
US-7,907,736 Acoustic correction apparatus
An acoustic correction apparatus processes a pair of left and right input signals to compensate for spatial distortion as a function of frequency when said input...
US-7,907,728 Method and system of transferring scrambled content
Method and system of transferring scrambled content from location to another. The method and system may include transferring the scrambled content without...
US-7,907,721 Headset with auxiliary input jacks(s) for cell phone and/or other devices
Headsets are used in variety of applications to facilitate one- or two-way audio communications between users and/or devices. The present inventor recognized...
US-7,907,703 Method and apparatus for telephonically accessing and navigating the internet
A method for accessing and browsing the internet through the use of a telephone and the associated DTMF signals is disclosed. The preferred embodiment provides a...
US-7,907,219 Digital TV and control method thereof for saving power consumption
A digital TV including a receiving part for receiving a broadcasting signal and broadcasting information, a video processing module and an audio processing...
US-7,907,218 Receiver apparatus and receiver system
A receiver apparatus 3 has a digital circuit portion 13 that converts a compressed digital signal outputted from a digital demodulating portion 12 into digital...
US-7,907,212 Multiple path audio video synchronization
Audio video synchronization begins by receiving an audio-video signal via a first communication path. The processing continues by capturing a representation of...
← 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.