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Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 8189767 | Method and system for clear signal capture A method and system for clear signal capture comprehend several individual aspects that address specific problems in improved ways. In addition, the method and system also comprehend a hands-free implementation that is a practical solution to a very complex problem.... | 05/29/2012 |
| 8175261 | Systems and methods for adaptive echo cancellation An echo canceller comprises foreground and background filters. The background filter locates and confirms peaks, defines active regions centered about the confirmed peaks and updates coefficients of the foreground filter when the background filter is more effective ... | 05/08/2012 |
| 8175260 | Echo cancellation A method, apparatus, system, and signal-bearing medium that in an embodiment determine a degree of correlation between a speaker output signal and a microphone input signal and modulate an adaptive gain of an acoustic echo canceller based on the degree of correlatio... | 05/08/2012 |
| 8155303 | System and method for cancelling echo A system and a method for canceling an echo is disclosed. In accordance with the system and the method, a plurality of independently and variably delayed adaptive algorithm blocks are selectively applied to a delayed feedback signal to generate a plurality of echo c... | 04/10/2012 |
| 8144862 | Method and apparatus for the detection and suppression of echo in packet based communication networks using frame energy estimation A method and apparatus for use in suppressing acoustic echo in a target speech signal being transmitted through a packet-based communications network uses frame energy estimation applied to the target speech signal and to a reference speech signal. The method or app... | 03/27/2012 |
| 8130941 | Echo canceler An echo canceler 10 generates an echo elimination signal by filtering through adaptive filters 101 and 102 reference signals input from sound sources causing echoes. It includes a sound source number detecting unit 103 for detecting the n... | 03/06/2012 |
| 8107617 | Audio processor An audio processor of a loud speech communication system including a speaker and a microphone is provided. The audio processor includes: an adaptive filter wherein an amount of update in a learning event is set to an arbitrary value, and a filter coefficient is seri... | 01/31/2012 |
| 8098813 | Communication system In an embodiment, a method for removing an echo component is a first signal received at an audio input device includes outputting a second signal from an audio output device, receiving at the audio input device the first signal wherein the echo component in the firs... | 01/17/2012 |
| 8081753 | Hybrid echo canceller controllers Hybrid echo canceller controllers are described herein. By way of example, a system for controlling an echo canceller can include a signal indicator and an echo canceller controller. The signal indicator can be configured to indicate periods of near-end signal and t... | 12/20/2011 |
| 8077859 | Adaptive analog echo/NEXT cancellation A physical layer (PHY) device including i) an input configured to receive a first transmit signal transmitted from a remote device, and ii) an output configured to transmit a second transmit signal from the PHY device to the remote device. The second transmit signal... | 12/13/2011 |
| 8077858 | Echo canceler and echo canceling method An echo canceler uses an adaptive filter to remove an echo of an incoming far-end signal from an outgoing near-end signal in the presence of ambient noise, updating the filter coefficients while the far-end signal is active and the near-end signal is inactive. The n... | 12/13/2011 |
| 8073133 | Echo canceler and echo canceling method An echo canceler has an adaptive filter that generates an echo replica signal from a far-end signal. The filter coefficients of the adaptive filter are updated according to a residual error signal, which is obtained by subtracting the echo replica signal from a near... | 12/06/2011 |
| 8045702 | Multi-path active hybrid circuit A hybrid circuit for a full-duplex transceiver includes a two-to-four wire ratio converter (50, Z1, Z2) for forwarding a transmitted signal TX′ on a transmission line (41) in response to an input signal TX. The ratio converter also prod... | 10/25/2011 |
| 8041028 | Double-talk detection Within audio telecommunications for audio-visual conferencing a means of reliable double-talk detection is required for several reasons, including control of residual echo, and control of adaptive algorithms used to estimate the echo. Existing techniques tend to eit... | 10/18/2011 |
| 8019076 | Portable speakerphone device and subsystem utilizing false doubletalk detection Disclosed herein are portable teleconferencing products that implement a doubletalk detector in a low frequency range or in a frequency range commensurate with the frequencies through which sound may be efficiently transferred between a speaker and a microphone thro... | 09/13/2011 |
| 7925007 | Multi-input channel and multi-output channel echo cancellation An echo cancellation technique that can process multi-input microphone signals with only a small increase in the overall CPU consumption compared to implementing the algorithm for a single channel microphone signal. Furthermore, the invention provides an architectur... | 04/12/2011 |
| 7925008 | Multi-channel echo cancel method, multi-channel sound transfer method, stereo echo canceller, stereo sound transfer apparatus and transfer function calculation apparatus Stereo sound signals are reproduced directly from loudspeakers (SP(L), SP(R)). By using a sum signal and a difference signal of the stereo sound signals as a reference signal, and according to a cross spectrum calculation of the reference signal with a microphone-co... | 04/12/2011 |
| 7912211 | 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 the frequencies through which sound may be efficiently transferred between a speaker and a microphone thro... | 03/22/2011 |
| 7831036 | Method to reduce training time of an acoustic echo canceller in a full-duplex beamforming-based audio conferencing system A method is set forth for reducing the total acoustic echo cancellation convergence time for all look directions in a microphone array based full-duplex system. The method is based on capturing the loudspeaker signal due to the first far-end speech bursts when the c... | 11/09/2010 |
| 7826609 | Method and apparatus for digital near-end echo/near-end crosstalk cancellation with adaptive correlation A communication transmitting and receiving system in which the effects of near-end echo and near-end crosstalk signal from the communication medium are mitigated by adaptively reproducing the near-end echo and near-end crosstalk signal, which is then subtracted from... | 11/02/2010 |
| 7822193 | Estimation method and apparatus A method and apparatus for producing an estimate of the acoustic response an environment. The method comprises receiving a first signal, and a second signal including a part of the first signal. The first and second signals are combined to produce a third signal. Th... | 10/26/2010 |
| 7817797 | Method and apparatus for detecting echo path changes in an acoustic echo canceller An echo canceller comprising a first adaptive filter having N_long coefficients for converging to an echo path, a non-adaptive filter representing a direct echo path portion captured by the first adaptive filter and having N_short default coefficients, where N_long>... | 10/19/2010 |
| 7813497 | Echo canceller with interference-level controlled step size Echo canceling method comprising the steps: a) receiving a first signal and a second signal, said second signal comprising an echo of the first signal, b) generating an echo replica signal by filtering the first signal with a finite impulse response filter, said fin... | 10/12/2010 |
| 7813498 | Full-duplex communication device and method of acoustic echo cancellation therein The invention provides a full-duplex communication device. In one embodiment, the full-duplex communication device comprises a first adaptive filter, a second adaptive filter, a channel decoupling module, and a frequency processing module. The first adaptive filter ... | 10/12/2010 |
| 7778408 | Method and apparatus for acoustic echo cancellation utilizing dual filters Hands-free phones with echo cancellation using dual filters, one fast adapting filter and one slow adapting filter; the choice of filters includes switching with hysteresis from recent performance, and the fast adapting filter has step size control to limit relative... | 08/17/2010 |
| 7773742 | Echo canceller There is provided an echo canceller which can appropriately cancel an echo even when a low-frequency component is included in the signal to be passed. The echo canceller includes an echo replica forming means for forming an echo replica signal from a far-end input s... | 08/10/2010 |
| 7773743 | Integration of a microphone array with acoustic echo cancellation and residual echo suppression Acoustic echo cancellation, residual echo suppression and sound-source localization/microphone array processes are combined in a two-way voice communication system that uses a microphone array to capture local speech. The processes can be configured according to var... | 08/10/2010 |
| 7764783 | Acoustic echo cancellation with oversampling Techniques for performing acoustic echo cancellation are described. An ADC oversamples an analog signal from a microphone and provides a near-end signal having a wider bandwidth than the bandwidth of a communication channel. A subband filter receives and filters the... | 07/27/2010 |
| 7747002 | Method and system for stereo echo cancellation for VoIP communication systems An exemplary embodiment of the present invention is directed toward a method and system for cancelling line echo in the presence of a known secondary audio signal. Filter adaption is enabled in the presence of a known secondary audio source such as the sound of a co... | 06/29/2010 |
| 7738655 | Interference canceller tap sharing in a communications transceiver A novel mechanism for sharing filter taps across a plurality of interference cancellers. Each interference canceller may be directed to impairment, such as Ethernet impairments, including Ethernet 1000Base-T impairments. Various interference impairments include echo... | 06/15/2010 |
| 7724893 | Method of adaptation step control in echo cancellers A method is set forth for calculating an expected Echo Return Loss Enhancement (ERLE) in an echo canceller. The expected ERLE is used to control the adaptation step of an adaptive filter in the echo canceller. Also, a novel echo canceller is set forth where the adap... | 05/25/2010 |
| 7720215 | Speech output control device and recording medium recorded with speech output control programs While the amplification factor of an external amplifier is increased to raise the minimum volume level, synthesized speech of text data is generated as PCM data. When the PCM data is output for each frame (63 ms), the voltage of a battery power supply is detected an... | 05/18/2010 |
| 7711108 | Fast echo canceller reconvergence after TDM slips and echo level changes A method of adjusting an echo canceller comprises obtaining a first cross-correlation between a far-end signal and an error signal, wherein the error signal is generated by subtracting an output signal of an adaptive filter from a local-end signal; determining wheth... | 05/04/2010 |
| 7688968 | Adaptive analog echo/next cancellation An adaptive analog echo/near-end crosstalk (NEXT) cancellation system includes a selector that outputs a first error control signal when a first receive signal does not include a remotely transmitted signal and a second error control signal when the first receive si... | 03/30/2010 |
| 7684559 | Acoustic echo suppressor for hands-free speech communication In a hands-free mode of speech communication, a loudspeaker produces acoustic energy of a distant signal from a far-end talker and a microphone produces a near-end signal containing a speech component representing the speech activity of a near-end talker or an acous... | 03/23/2010 |
| 7680265 | Echo canceler circuit and method An echo canceller circuit (200) and method performs cascaded echo cancellation and noise suppression in a non-interfering manner. The echo canceller circuit (200) includes pre-noise suppression logic (210), echo canceller coefficient logic (2... | 03/16/2010 |
| 7672447 | Frequency domain echo canceller An echo canceller reduces an echo signal produced when the transmitted signal leaks back into the receiver via a hybrid. The echo canceller estimates the echo signal from the transmitted signal, and then subtracting the estimated echo signal from the received signal... | 03/02/2010 |
| 7643630 | Echo suppression with increment/decrement, quick, and time-delay counter updating Hands-free phones with voice activity detection using a comparison of frame power estimate with an adaptive frame noise power estimate, automatic gain control with fast adaptation and minimal speech distortion, echo cancellation updated in the frequency domain with ... | 01/05/2010 |
| 7620172 | Method and system for eliminating noises and echo in voice signals Techniques for simultaneously and efficiently eliminating echo and noise mixed in voice are disclosed. According to one aspect of the present invention, an adaptive filter system for eliminating noises and echo mixed in voice signal comprises a first signal adaptive... | 11/17/2009 |
| 7613291 | Echo path change detection using dual sparse filtering There is provided a method for use by an echo canceller to detect an echo path change and adjust to the echo path change. The method comprises determining a first bulk delay using a SPARSE foreground adaptive filter; configuring the foreground adaptive filter to an ... | 11/03/2009 |
