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7616973 |
Portable audio device having reduced sensitivity to RF interference and related methods
A portable audio device having reduced sensitivity to RF interference over a predetermined frequency range from an adjacent mobile wireless communications device may include a portable housing, a...
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7573989 |
Telephone communications apparatus
A telephone communications apparatus for mixing a music signal with a speech signal, in which the gamut of music that may be enjoyed, such as a calling/called party, or the sorts of telephone...
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7574176 |
Channel selection in a wireless network
A method of operation in a communications device is disclosed. The method of operation includes obtaining interference information associated with a plurality of channels, including age of the...
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7570937 |
Comfort noise generator
Comfort noise is derived from a white noise signal by filtering the white noise signal in a QMF bank to produce comfort noise signal that is selectively coupled to at least one channel in a...
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7552050 |
Speech recognition system and method utilizing adaptive cancellation for talk-back voice
A voice recognition system includes an adaptive filter and a subtractor. The adaptive filter generates a simulated talk-back voice y(n) by setting a filter coefficient simulating a transfer system...
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7545886 |
Method and apparatus for eye-opening based optimization
An eye opening measurement technique, that does not interrupt a receiver's normal operation, is used as a metric for optimizing any selected parameters of the receiver's operation. If eye opening...
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7522928 |
Dynamic EMI (electromagnetic interference) management
In one embodiment, a method is provided. The method may include determining if electromagnetic interference (EMI) is emitted by a device in one or more regions of an electromagnetic spectrum...
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7519347 |
Method and device for noise detection
A system and method for detecting cell phone noise induced in telecommunication equipment, especially in microphones and other unshielded electronic units connected to a communication terminal. A...
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7515944 |
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...
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7505737 |
Apparatus for generating clock signal in mobile communication terminal
Disclosed is an apparatus for generating a stable clock signal having a Long term jitter noise removed therefrom. In a mobile communication terminal having a power management chip for converting a...
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7499687 |
Wireless transmitter DC offset recalibration
In many circuits, including those operating in radio frequency (RF), there is commonly a need to perform DC offset cancellation. The DC offset is an error in an output signal in respect to the...
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7499686 |
Method and apparatus for multi-sensory speech enhancement on a mobile device
A mobile device is provided that includes a digit input that can be manipulated by a user's fingers or thumb, an air conduction microphone and an alternative sensor that provides an alternative...
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7493131 |
Velocity responsive power control
The velocity of a wireless communications device (WCD) ( 106 ) is estimated. In response to this estimate a power control command rate is determined. The WCD 106 transmits power control signals...
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7477682 |
Echo cancellation for a packet voice system
An apparatus and methods supporting improved echo cancellation in a packet network is disclosed. An embodiment of the present invention may permit a split-band communication system operating in a...
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7466998 |
Layout and architecture for reduced noise coupling between circuitry and on-chip antenna
An integrated circuit layout and architecture for reduced noise coupling between circuitry and on-chip antenna for wireless communications includes a monolithic semiconducting substrate having a...
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7457644 |
Microphone position and speech level sensor
Improper microphone position and speech level on a telephone headset is sensed by comparison of a speech envelope to multiple signal threshold levels. A first threshold is used to determine whether...
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7450917 |
Power saving transmitter of mobile communication terminal
A transmitter of a mobile communication terminal including a transmission signal processor for receiving a data signal to be transmitted, modulating the data signal into a radio signal, and...
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7433665 |
Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same
A communication circuit for an Ethernet or other network transceiver includes a first sub-circuit having a first input which receives a composite differential signal including first and second...
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7433716 |
Communication apparatus
A communication apparatus is described that automatically allocates the position of participants in a group call at various positions in sound-space. The position of each user is such that the user...
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7400910 |
Speaker sound enhancement for a mobile terminal
The present invention relates to a mobile terminal such as a mobile telephone or the like which has a speaker built in, and realizes a sound emission structure for separately extracting the front...
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7386327 |
Apparatus and method for controlling noise in a mobile communication terminal
An apparatus and method for controlling a volume of comfort noise in a mobile communication terminal. The mobile communication terminal includes a vocoder for detecting a decoding rate of voice...
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7346013 |
Frequency domain equalization of communication signals
A system and method for estimating a channel spectrum. The method includes: (a) receiving an input signal from a channel, where the input signal includes one or more major echoes and zero or more...
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7330500 |
Adjustable electronic duplexer
A duplexer for a communication device having a transmission unit, a reception unit and a shared antenna is disclosed. The duplexer comprises a first signal path between the transmission unit and...
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7330739 |
Method and apparatus for providing a sidetone in a wireless communication device
A wireless communication device is disclosed that provides a sidetone to the device user. The device converts an outbound analog audio signal to an outbound audio bitstream from which a sidetone...
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7330738 |
Apparatus and method for canceling residual echo in a mobile terminal of a mobile communication system
An apparatus for canceling an echo signal in a mobile terminal of a mobile communication system. A double talk detector (DTD) receives a first signal by canceling an estimated echo signal from a...
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7308231 |
Computer mouse with bluetooth hand-free handset
The invention discloses a computer input device with Bluetooth hand-free handset comprises: an electric source module, for providing power to the computer input device, comprising a voltage step-up...
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7286809 |
Method and circuit system for suppressing noise in a signal processing circuit
Noise impulses are suppressed in a signal processing circuit by gating an input signal. The gated signal is then smoothed upstream of demodulating the smoothed signal as viewed in a signal flow...
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7283850 |
Method and apparatus for multi-sensory speech enhancement on a mobile device
A mobile device includes an air conduction microphone and an alternative sensor that provides an alternative sensor signal indicative of speech. A communication interface permits the mobile device...
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7260163 |
Noise blanker using an adaptive all-pole predictor and method therefor
A noise blanker ( 40, 106 ) monitors and removes noise from a sampled signal by adaptive filtering ( 98, 150 ) the sampled signal to generate trained adaptive filter prediction coefficients. The...
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7257372 |
Bluetooth enabled hearing aid
The present invention relates to a method and apparatus for improving interference suppression processing and control in hearing aids communicating with a mobile station over a short-range wireless...
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7248835 |
Method for automatically switching a profile of a mobile phone
A method for automatically switching a profile of a mobile phone includes measuring a current environmental noise value of ambient noise surrounding the mobile phone. The current environmental...
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7231234 |
Method and apparatus for reducing echo in a communication system
A method and apparatus for reducing echo in a communication system are provided. A first signal including a voice component associated to a speaker is received. The first signal is processed to...
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7225001 |
System and method for distributed noise suppression
The present invention advantageously provides a manner by which to further suppress noise superimposed upon an information signal without increasing distortion to the signal, e.g., speech. By...
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7221659 |
Method and system for managing erroneous attenuation of signal
According to one embodiment of the invention, a method for managing communication impairments between Internet Protocol devices is provided. The method includes determining a transmission of a...
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7212841 |
Telephone apparatus and a communication method using such apparatus
In accordance with a first aspect of the present invention there is provided a telephone apparatus including a transmitter portion and a receiver portion, an input transducer for converting input...
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7206515 |
Single-ended/differential wired radio frequency interface
A package to encapsulate an optical component includes a RF interface to receive high frequency signals from an external source. The RF interface pins that can be configured as one or more...
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7203468 |
Signal generation device
An RF circuit ( 131–138 ) satisfies Pnoise+NF+G≦Plim+sW (0≦s≦4) at an edge of a guard band with respect to a required transmission level PAll, an upper tolerance level of out-of-band noise...
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7197325 |
Power control apparatus with PAM reference voltage tuner for a mobile terminal
A transmission power control apparatus of a mobile terminal includes an intermediate frequency automatic gain controller for receiving a transmission intermediate frequency signal and performing an...
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7171245 |
Method for eliminating musical tone from becoming wind shear sound
The present invention provides a method for eliminating a musical tone from becoming a wind shear sound, which is used for the music recording file played in the GSM mobile communication system,...
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7171246 |
Noise suppression
A method of noise suppression to suppress noise in a signal containing background noise ( 314 ) in a communications path between a cellular communications network and a mobile terminal. The method...
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7167733 |
Portable telephone with detachable earphone and microphone modules
A portable telephone ( 10 ) includes comprises a main body ( 11 ), a detachable member ( 12 ), a data transmission cable ( 13 ), and a spring biased spool ( 20 ). The detachable member includes an...
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7155554 |
Methods and apparatuses for generating a single request for block transactions over a communication fabric
Embodiments of apparatuses, systems, and methods are described for communicating information between functional blocks of a system across a communications fabric. A first functional block...
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7151828 |
Circuit arrangement for the analogue suppression of echoes
A circuit arrangement for the analogue suppression of echoes, as in particular can be used in a hybrid-circuit for DSL-transmission systems, comprises a replica ( 8 ) for emulating the behaviour of...
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7136471 |
Method and apparatus for detecting a secondary destination of a telephone call based on changes in the telephone signal path
A method and apparatus for detecting whether a remote party has added a secondary telephone destination to a telephone call, for example through the activation of three-way calling service,...
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7133701 |
Microphone position and speech level sensor
Improper microphone position and speech level on a telephone headset is sensed by comparison of a speech envelope to multiple signal threshold levels. A first threshold is used to determine whether...
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7099662 |
Transceiver unit with interference-reducing antenna
A transceiver unit, particularly for measuring applications, comprising a transmitter ( 1 ) for generating a signal, an acquisition antenna ( 5 ) for emitting the signal in an acquisition volume...
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7095984 |
Base station apparatus and direction-of-arrival estimating method
Signals including a plurality of components representing a phase rotation between antenna elements by combining signals, which have arrived through each path of a first to an m-th paths, for every...
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7092745 |
Portable electronics device with variable sound output
A portable device including a housing and an electro-acoustic transducer. The housing has a first surface with an outlet for the egress of an acoustic signal when in a loudspeaker mode and a second...
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7089042 |
Headset with variable gain based on position of microphone boom
The present invention relates to a headset having an adjustable microphone boom wherein gain applied to the microphone signal is varied based on the position of the boom.
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7085374 |
Distributed echo cancelling
A distributed echo cancelling architecture is provided where echo-cancelling functions are performed at locations remote from devices receiving signals with echoes. The echo cancelling functions...
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