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9042567 Acoustic echo cancellation system  
An acoustic echo cancellation (AEC) system includes a remote device, for capturing a remote captured sound, a server coupled to the remote device, and a local device coupled to the server. The...
9031620 Second microphone device of a mobile terminal  
A second microphone device of a mobile terminal, and more particularly, a second microphone device of a mobile terminal for preventing various limitations caused by mounting of a second...
9015338 Method and apparatus for suppressing silence in media communications  
A method and apparatus for suppressing silence frames in a stream of media includes receiving a stream of media from a user and suppressing at least one silence frame from the received stream of...
8995309 Radio frequency signal loopback method and outdoor unit  
An outdoor unit includes: a transmitting module configured to transmit a signal; a splitter module configured to split the signal into two branches, where one branch is input into a amplifier, and...
8996048 Controlling the interferences generated by radio signals  
The present invention concerns a method for controlling the interferences generated by radio signals transferred by or to wireless telecommunication devices of a wireless cellular...
8989323 Single cable including multiple interconnections between two radio units for cross polarization interference cancellation  
An outdoor radio communication system comprises a first radio unit, a second radio unit, and a single cable coupling the first radio unit to the second radio unit. Each radio unit includes a...
8977226 Mobile terminal  
A mobile terminal including a transceiver having a plurality of output terminals; a plurality of power amplifier units respectively connected to the plurality of output terminals, and configured...
8976956 Speaker phone noise suppression method and apparatus  
Systems and methods for removing noise from an audible signal are provided. More particularly, a vibration sensor is used to obtain a vibration signal from an environment including a communication...
8963750 Time-to-digital conversion with analog dithering  
There is described a time-to-digital conversion scheme using an arrangement of delay elements based Time-to-Digital Converter, TDC (20), wherein dithering is built in the digital domain and...
8953812 Voice signals improvements in compressed wireless communications systems  
Improvements in voice signals transmitted within communication systems are obtained by use of adaptive filters, front and rear microphones, noise cancelling systems and other means and methods....
8948407 Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)  
A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise...
8934620 Acoustic echo cancellation for high noise and excessive double talk  
Methods and devices for improved echo cancellation in high noise environments, such as in-car speakerphones and the like, are provided that improve cancellation convergence in a high noise...
8934945 Voice switching for voice communication on computers  
A voice communication end device performs quality checks to determine whether acoustic echo cancellation would be ineffective, such as due to noise or clock drift or discontinuities between...
8903101 Active noise reduction system  
A system for actively reducing noise at a listening point, includes an earphone housing, a transmitting transducer, a receiving transducer and a controller. The transmitting transducer converts a...
8897456 Method and apparatus for estimating spectrum density of diffused noise  
Provided are a method for estimating a spectrum density of diffused noises. Also provided is a processor for implementing the method. The processor includes at least two sound receiving units and...
8897735 Self-correlation receiver and transceiver including the same  
Disclosed is a self-correlation receiver of a transceiver in which a transmitter shares an antenna with a receiver. The self-correlation receiver includes: a clamper which receives a received...
8892172 Method of enabling a remote communications device with a telematics functionality module  
Method of enabling a remote communications device (106) with a telematics functionality module (150) can include providing a docking apparatus (114) coupled to interface with a vehicle (109). The...
8885011 Method for implementing video call with bluetooth-based headset and video communication terminal for the same  
Disclosed are a method for implementing a video call with a Bluetooth-based headset and a video communication terminal. The method includes: looking up a Bluetooth headset; starting a VTCALL unit...
8874175 Converting samples of a signal at a sample rate into samples of another signal at another sample rate  
In an embodiment, an apparatus includes a determiner, converter, adapter, and modifier. The determiner is configured to generate a representation of a difference between a first frequency at which...
8873740 Enhanced echo cancellation  
The present invention provides for echo cancellation circuitry and variable rate encoding circuitry to cooperate with one another to effectively provide comfort noise in an effective and efficient...
8868137 Alert processing devices and systems for noise-reducing headsets and methods for providing alerts to users of noise-reducing headsets  
A system includes an active noise-reducing headset and an alert processor. The active noise reducing headset includes a communication module that establishes a wireless communication link, a...
8867987 Gain control metric computation in a wireless repeater  
A method for computing a gain control metric used in controlling gain in a wireless repeater operates to store correlation and normalization values associated with the gain control metric for the...
8867650 Apparatus and method for cross clock domain interference cancellation  
An apparatus and method for cross clock domain interference cancellation is provided to a communication system which includes a transmitter operated in a first clock domain and a receiver operated...
8861711 Echo cancellation apparatus, conferencing system using the same, and echo cancellation method  
An echo cancellation apparatus is connectable to a speaker configured to output speaker signals and a microphone configured to receive a sound from the speaker and including a plurality of...
8855724 Hearing aid compliant mobile handset  
A hearing aid compatible mobile handset is provided with a parasitic element which is electrically connected to a groundplane of a circuit board. The parasitic element may have a length of around...
8838184 Wireless conference call telephone  
A wireless conference call telephone system uses body-worn wired or wireless audio endpoints comprising microphone arrays and, optionally, speakers. These audio-endpoints, which include headsets,...
8825116 Enhanced call reception and privacy  
An audio interface adapted to reduce a subscriber voice may receive a subscriber voice and a background noise. The subscriber voice may then be compared to the to the background noise. If the...
8824694 Apparatus and method for managing call quality  
A system that incorporates teachings of the present disclosure may include, for example, a communication device having a controller to monitor ambient noise in proximity to the communication...
8818542 Method and device for reducing interference in an audio signal during a call  
In order to reduce interference in an audio signal during a call on a mobile communication device, a plurality of transforms of the audio signal is performed, each transform containing phase...
8811639 Range control for wireless hearing assistance device systems  
Disclosed herein, among other things, are apparatus and methods for wireless hearing assistance devices and in particular to a controllable range control for wireless hearing assistance device...
8811627 Echo suppressing method and apparatus  
Coefficient generator generates a crosstalk coefficient that is a predetermined value and that is used to calculate the amount of crosstalk of an echo. Converter uses either the output signal of a...
8805453 Hands-free telephony and in-vehicle communication  
The present invention relates to a signal processing system, comprising a number of microphones and loudspeakers, a hands-free set configured to receive a telephone signal from a remote party and...
8798550 Methods and arrangements for CSI reporting  
Some embodiments provide a method in a wireless device for reporting channel state information, CSI, for a CSI process. The CSI process corresponds to a reference signal resource and an associated...
8787844 Signal transceiving method, signal transceiver utilizing the signal transceiving method, network connection method and network device utilizing the network connection method  
A signal transceiving method, applied to a signal transceiver, includes: adjusting to approximate a value of a clock frequency of a signal to be transmitted from the signal transceiver to a value...
8787987 Configuring of vehicle communications modules  
A system and method for configuring a vehicle user interface that provides hands-free use of a mobile communications device by a vehicle operator. First, the mobile communications device located...
8781531 Handling control channels in a WCDMA system  
A radio base station for use in a Wideband Code Division Multiple Access network. The radio base station comprises a receiver for receiving radio signals transmitted over the air by users, and a...
8774875 Spatial separation-enabled noise reduction  
Noise reduction is provided to audio captured by a headset by employing spatially separated microphones provided by a headset and a mobile phone. Primary audio is captured by a headset microphone...
8774421 Noise canceling headphone and noise canceling earmuff  
A noise canceling headphone includes a microphone provided in a headphone housing, collecting external sound, a canceling signal generating circuit generating a canceling signal in response to a...
8774874 Reducing power consumption by in-circuit measurement of receive band attenuation and/or noise  
Although the duplexer in a full-duplex transceiver circuit may only be guaranteed by the duplexer manufacturer to have a transmit band rejection from its TX port to its RX port of a certain...
8762138 Method of editing a noise-database and computer device  
The present invention relates to a method as well as to a computing device (20) for editing a noise-database (13) containing noise information, said noise information being derived from noise...
RE44942 Mobile communication device  
A mobile communication device is provided. The mobile communication device includes a terminal body, and a speaker module located in the terminal body. The speaker module includes an enclosure...
8744068 Measuring quality of experience in telecommunication system  
Technologies are generally described for a system for measuring a quality of experience (QoE). In some examples, a quality of experience (QoE) measuring device may include a background noise...
8744378 LINC transmitter with improved efficiency  
A radio frequency (RF) transmitter is provided. The RF transmitter includes first and second drivers that are configured to receive first and second sets of complementary RF signals. Restoration...
8737601 Echo canceller  
The proposed echo canceller comprises:—an adaptive filter for receiving a signal affected by an echo, and for supplying a filtered signal that is an estimate of the echo;—a subtractor for...
8731822 Systems and methods for interleaving navigational directions with additional audio in a mobile device  
A method and apparatus for managing audio conflicts and priorities is disclosed. A mobile device (110) initiates a navigation application (410) and an audio application (415), each configured to...
8694059 Mobile communication device and echo cancellation method  
According to an aspect, a mobile communication device includes a housing, a speaker, a microphone, a detecting unit, and a processing unit. The speaker is provided in the housing, and outputs an...
8682268 Noise suppression  
The present invention relates to a method of suppressing noise in a communication device. The idea consists in forwarding to a noise suppression module some information regarding the radio...
8682250 Noise cancellation system  
A noise cancellation system for an audio system such as a mobile phone handset, or a wireless phone headset has a first input for receiving a first audio signal from one or more microphone...
8682384 Mobile terminal, and volume adjusting method and device thereof  
The present disclosure relates to the technical field of mobile terminals, and discloses a mobile terminal and a volume adjusting method and device thereof. The volume adjusting method comprises...
8666091 Method for reducing a disturbance in an input signal caused by an output signal in a multi-port connector, multi-port connector, and mobile device  
A method for reducing a disturbance in an input signal caused by an output signal in a multi-port connector, a multi-port connector circuit for reducing a disturbance in an input signal caused by...

Matches 1 - 50 out of 390 1 2 3 4 5 6 7 8 >