Matches 1 - 50 out of 87 1 2 >


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US20150256661 WIRELESS HANDSFREE HEADSET METHOD AND SYSTEM WITH HANDSFREE APPLICATIONS  
Embodiments include method for providing a handsfree service to a user of a wireless, handsfree headset. In an embodiment the method comprises the headset performing service discovery on the audio...
US20130252675 ACTIVE NOISE CANCELLATION DECISIONS IN A PORTABLE AUDIO DEVICE  
Active noise cancellation (ANC) circuitry is coupled to the input of an earpiece speaker in a portable audio device, to control the ambient acoustic noise outside of the device and that may be...
US20070135176 Audio privacy method and system  
Provided is a method and system for audio privacy that includes receiving a first sound signal at a microphone proximal to a user's ear, generating a second sound signal based on the first sound...
US20140357324 ECHO REMOVAL  
Echo removal techniques are described. As part of the echo removal, an adaptive model estimate of the echo in a received audio signal is determined using an adaptive model based on an outputted...
US20140357323 ECHO REMOVAL  
Echo removal techniques are described. An echo path of the echo in a received audio signal is modelled using a first model to determine a first model estimate of the echo. The first model estimate...
US20140135078 Dynamic Speaker Management with Echo Cancellation  
A system for echo cancellation includes a dynamic speaker management (DSM) module, a current/voltage sensing amplifier, a sound pressure level (SPL) model module and an echo canceller. The example...
US20130012274 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...
US20110096931 CROSSTALK SUPPRESSION  
A crosstalk suppression arrangement for a stereo audio system, wherein the stereo audio system comprises a left stereo channel and a right stereo channel, each comprising a driving circuit, an...
US20110129107 Communication Headset With A Circumferential Microphone Slot  
A communication headset (1, 15, 25, 35) comprising a housing (2) and a peripheral slot (5) extending along the periphery (30) of the housing (2) in an intersecting plane (6) that intersects the...
US20130065652 DECISIONS ON AMBIENT NOISE SUPPRESSION IN A MOBILE COMMUNICATIONS HANDSET DEVICE  
A method in a communications device includes the following operations. During a call, a process automatically detects that the device has moved from an at-the-ear position to an away-from-the-ear...
US20120058803 DECISIONS ON AMBIENT NOISE SUPPRESSION IN A MOBILE COMMUNICATIONS HANDSET DEVICE  
A method in a communications device includes the following operations. During a call, a process automatically detects that the device has moved from an at-the-ear position to an away-from-the-ear...
US20140335917 DUAL BEAMFORM AUDIO ECHO REDUCTION  
A telephonic device having a speakerphone function has a loudspeaker and a plurality of microphones. The plurality of microphones are coupled to a plurality of beamformers which produce a first...
US20110230239 Microphone Techniques  
Among other features, a boom microphone has a microphone connector; an earcup module includes an earcup connector jack to connect to a headphone and a boom lead-in to receive the microphone...
US20150126255 UNIVERSAL RECONFIGURABLE ECHO CANCELLATION SYSTEM  
A universal reconfigurable system and method are provided for reducing nonlinear echo and residual echo, and for echo leakage prevention in various time-varying and complex environments is...
US20140357322 Spatial Quiescence Protection for Multi-Channel Acoustic Echo Cancellation  
A system performs residual echo suppression on a microphone signal that receives, e.g., voice commands, and that is exposed to echo from multiple speakers. An example is a smartphone that receives...
US20090088224 ADAPTIVE VOLUME CONTROL  
A system comprising processing logic and sound-capturing logic coupled to the processing logic. The sound-capturing logic provides a captured signal to the processing logic. The captured signal is...
US20120322511 DE-NOISING METHOD FOR MULTI-MICROPHONE AUDIO EQUIPMENT, IN PARTICULAR FOR A "HANDS-FREE" TELEPHONY SYSTEM  
This method comprises the following steps in the frequency domain: a) estimating a probability that speech is present;b) estimating a spectral covariance matrix of the noise picked up by the...
US20120329530 WIRELESS HEADSET HAVING IMPROVED RF IMMUNITY TO RF ELECTROMAGNETIC INTERFERENCE PRODUCED FROM A MOBILE WIRELESS COMMUNICATIONS DEVICE  
A wireless headset has improved immunity to RF electromagnetic interference produced from wireless communications devices. A headset body is adapted to be worn by a user and includes a microphone...
US20110275419 WIRELESS HEADSET HAVING IMPROVED RF IMMUNITY TO RF ELECTROMAGNETIC INTERFERENCE PRODUCED FROM A MOBILE WIRELESS COMMUNICATIONS DEVICE  
A wireless headset has improved immunity to RF electromagnetic interference produced from wireless communications devices. A headset body is adapted to be worn by a user and includes a microphone...
US20060205384 Method of security monitoring and alarming using mobile voice device  
A method utilizing a mobile handset (or a PDA capable of collecting voices, playing voices, and making voice calls over a mobile communications network) to conduct security monitoring, alarming,...
US20140357326 ECHO SUPPRESSION  
An echo path of the echo in a received audio signal is modelled using an adaptive model to determine an adaptive model estimate of the echo. The adaptive model estimate is used to determine an...
US20140274218 Apparatus with Adaptive Acoustic Echo Control for Speakerphone Mode  
A method includes cycling through a plurality of microphone and speaker combinations in a mobile device in response to the mobile device being placed in speakerphone mode. The mobile device...
US20140100001 APPARATUS AND METHOD FOR DETECTING INSERTION OF HEADSET INTO MOBILE STATION  
A mobile station is capable of detecting an insertion of a headset without a separate detection pin and removing noise generated when the headset is separated. A method includes detecting an...
US20050239516 Multi-microphone system for a handheld device  
A handheld phone communication device includes multiple microphones. In a two microphone arrangement, the first microphone is located in any suitable location, while the second microphone is...
US20140213329 Mobile Phone and Method for Processing Call Signal Thereof  
The present invention discloses a method for processing a call signal of a mobile phone, the method includes detecting a current call state of the mobile phone; acquiring an environmental noise...
US20090017877 WI-FI PHONE WITH HANDS-FREE FEATURE  
The present invention discloses a Wi-Fi phone with a hands free feature, wherein the Wi-Fi phone connects with a wireless network to provide VoIP communication. The Wi-Fi phone integrates an...
US20090117948 METHOD FOR DEREVERBERATION OF AN ACOUSTIC SIGNAL  
A method is provided for estimating a reverberation signal component of an acoustic signal detected by a microphone where the acoustic signal is comprised of a direct sound component and a...
US20140357325 ECHO REMOVAL  
Echo removal techniques are described. As part of the echo removal, a first model estimate of the echo in the received audio signal is determined using a first model and a second model estimate of...
US20070026905 Acoustic path for a wireless communications device  
A printed circuit board for a wireless communications device includes an acoustic path, and acoustically couples microphone circuitry mounted to a surface of the printed circuit board to an...
US20140329568 ECHO CANCELLER AND ECHO CANCELLATION METHOD  
An echo canceller and an echo cancellation method are provided. The echo canceller includes a self-adaptive filter, a voice signal detection portion and a path change detection portion; a far-end...
US20100022269 Systems and methods for accelerometer usage in a wireless headset  
This includes systems and methods for accelerometer usage in a wireless headset. An accelerometer can be used to determine the location of a wireless headset. The determined location can be used...
US20090264161 Method and Earpiece for Visual Operational Status Indication  
An earpiece can include an Ambient Sound Microphone (ASM), an Ear Canal Receiver (ECR), a transceiver, an illumination element, and a processor to provide visual operational mode indication via...
US20110130176 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...
US20110124381 Headset with Auxiliary Input(s) for Cell Phone And/Or Other Devices  
An active-noise-reduction (ANR) headset includes at least one auxiliary connection to an output of at least one device, such as a personal communications, computing, and/or entertainment device....
US20130273978 Controlling Audio Signals  
One or more embodiments describe controlling audio signals at a user device during a communication session between the user device and a remote node, in which a primary audio signal is received at...
US20120040725 Headset with Auxiliary Input(s) for Cell Phone And/Or Other Devices  
An active-noise-reduction (ANR) headset includes at least one auxiliary connection to an output of at least one device, such as a personal communications, computing, and/or entertainment device....
US20080268914 Wireless earphone with unidirectional and omnidirectional microphones  
A wireless earphone (e.g., a Bluetooth earphone) is disclosed that includes a housing having a first hole and a second hole, a unidirectional microphone disposed rearward of the first hole; an...
US20100105447 AMBIENT NOISE REDUCTION  
The invention provides improved ambient noise reduction for ear-worn devices, such as earphones and headphones and for other devices worn upon or used in close proximity to the ear, such as...
US20140162731 Subband Domain Echo Masking for Improved Duplexity of Spectral Domain Echo Suppressors  
A method and system for improving a perceived duplexity of handsfree telephone applications is disclosed. An echo suppression circuit for a device comprising loudspeaker and microphone is...
US20080153556 Wireless Ear-Phone and Portable Terminal Using the Same  
A wireless earphone includes: a wireless transmitting/receiving unit for transmitting/receiving a signal to/from the portable terminal according to a short wireless communication scheme; a voice...
US20080132295 System and method for improved loudspeaker functionality  
An electronic device comprises a microphone, a transceiver circuit, a loudspeaker, a sense element and a processing circuit. The microphone is configured to receive a first audio signal. The...
US20080318641 Electronic Device for Reducing Audio Noise Caused from Unbalanced Ground And Mobile Communication Device Thereof  
An electronic device includes a first circuit board having a first audio source and a first reference grounding end, a second circuit board having a second audio source and a second reference...
US20090017878 ACOUSTIC ECHO REDUCTION IN MOBILE TERMINALS  
An electronic device includes first and second speakers, a microphone, and circuitry configured to generate first and second audio signals in response to a source audio signal, to play the first...
US20100226491 NOISE CANCELLATION FOR PHONE CONVERSATION  
The present disclosure relates to systems and methods for noise cancellation of phone conversation. Some of the systems can include a phone having a microphone and a noise cancellation device. In...
US20100197363 TECHNIQUE FOR REDUCING INTERFERENCE TO RADIO OPERATIONS ON A COMPUTING DEVICE  
During a telephony session, a determination is made on a mobile computing device that one or more designated conditions exist by which radio interference generated from the mobile computing device...
US20120276961 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...
US20140066134 AUDIO PROCESSING DEVICE, AUDIO PROCESSING METHOD, AND RECORDING MEDIUM RECORDING AUDIO PROCESSING PROGRAM  
An device includes an audio output unit, a first audio input unit, a second audio input unit that are disposed in a position closer to the audio output unit than the first audio input unit, a unit...
US20150172468 Echo Elimination Device And Method For Miniature Hands-Free Voice Communication System  
The present invention discloses an echo elimination device and method for a miniature hands-free voice communication system. The system comprises a receiver, a primary transmitter and an auxiliary...
US20070270190 METHOD AND SYSTEM FOR SUPPRESSING ECHO DURING A HANDOVER  
A system (160) and method (500) is provided for suppressing an echo during a handover between two networks. During a handover from a first network (110) to a second network (140), a microphone to...
US20060160581 Echo suppression for compressed speech with only partial transcoding of the uplink user data stream  
Disclosed is a method for suppressing (10) echo (z(t)) in uplink data (y(t), 12-16) originating from a terminal (2, 3), said method allowing a delay and a decrease in quality during echo...

Matches 1 - 50 out of 87 1 2 >