Patent application number | Description | Published |
20090072982 | Health monitoring for power converter capacitors - A method for detecting a performance degradation of a capacitor in a power converter is disclosed. The method includes monitoring a voltage across the capacitor, detecting the performance degradation of the capacitor based on the monitored voltage, and generating a warning signal after detecting the performance degradation of the capacitor. A power converter is including at least one capacitor and a processor operably coupled to the at least one capacitor for monitoring a voltage across the at least one capacitor is also disclosed. The processor is configured for detecting a performance degradation of the capacitor based, at least in part, on the monitored voltage, and for generating a warning signal after detecting the performance degradation of the at least one capacitor. | 03-19-2009 |
20090072983 | Power converter with degraded component alarm - A power converter including a processor, at least one component whose health in the power converter will degrade over time, and at least one alarm is disclosed. The processor is configured for monitoring the health of the component over time, and for activating the alarm when the monitored health of the component reaches a threshold level. | 03-19-2009 |
20090072984 | Health monitoring for power converter components - A power converter including a processor and at least one component whose health in the power converter will degrade over time is disclosed. The processor is configured for monitoring the health of the component over time, and for generating a warning signal when the monitored health of the component reaches a threshold level. A method for monitoring the health of at least one component in a power converter is also disclosed. The method includes monitoring at least one performance characteristic of the power converter. The performance characteristic represents the health of the component. The method further includes comparing the monitored performance characteristic with stored data to determine whether the health of the component has reached a predetermined level, and generating a warning signal after determining the health of the component has reached the predetermined level. | 03-19-2009 |
20100088094 | DEVICE AND METHOD FOR VOICE ACTIVITY DETECTION - A voice activity detection (VAD) device and method are disclosed, so that the VAD threshold can be adaptive to the background noise variation. The VAD device includes: a background analyzing unit, adapted to: analyze background noise features of a current signal according to an input VAD judgment result, obtain parameters related to the background noise variation, and output these parameters; a VAD threshold adjusting unit, adapted to: obtain a bias of the VAD threshold according to the parameters output by the background analyzing unit, and output the bias of the VAD threshold; and a VAD judging unit, adapted to: modify a VAD threshold to be modified according to the bias of the VAD threshold output by the VAD threshold adjusting unit, judge the background noise by using the modified VAD threshold, and output a VAD judgment result. | 04-08-2010 |
20110091043 | METHOD AND APPARATUS FOR DETECTING AUDIO SIGNALS - A method and an apparatus for detecting audio signals are disclosed. The input audio signal is inspected to check whether it is a foreground frame or a background frame; the detected background signal is further inspected according to the music eigenvalue and the decision rule. Therefore, background music can be detected, and the classifying performance of the voice/music classifier is improved. | 04-21-2011 |
20110178796 | Signal Classifying Method and Apparatus - A signal classifying method and apparatus are disclosed. The signal classifying method includes: obtaining a spectrum fluctuation parameter of a current signal frame determined as a foreground frame, and buffering the spectrum fluctuation parameter; obtaining a spectrum fluctuation variance of the current signal frame according to spectrum fluctuation parameters of all buffered signal frames, and buffering the spectrum fluctuation variance; and calculating a ratio of signal frames whose spectrum fluctuation variance is above or equal to a first threshold to all the buffered signal frames, and determining the current signal frame as a speech frame if the ratio is above or equal to a second threshold or determining the current signal frame as a music frame if the ratio is below the second threshold. In the embodiments of the present invention, the spectrum fluctuation variance of the signal is used as a parameter for classifying the signals, and a local statistical method is applied to decide the type of the signal. Therefore, the signals are classified with few parameters, simple logical relations and low complexity. | 07-21-2011 |
20110184734 | METHOD AND APPARATUS FOR VOICE ACTIVITY DETECTION, AND ENCODER - A method and an apparatus for Voice Activity Detection (VAD) and an encoder are provided. The method for VAD includes: acquiring a fluctuant feature value of a background noise when an input signal is the background noise, in which the fluctuant feature value is used to represent fluctuation of the background noise; performing adaptive adjustment on a VAD decision criterion related parameter according to the fluctuant feature value; and performing VAD decision on the input signal by using the decision criterion related parameter on which the adaptive adjustment is performed. The method, the apparatus, and the encoder can be adaptive to fluctuation of the background noise to perform VAD decision, so as to enhance the VAD decision performance, save limited channel bandwidth resources, and use the channel bandwidth efficiently. | 07-28-2011 |
20110194702 | Method and Apparatus for Detecting Audio Signals - A method and an apparatus for detecting audio signals are disclosed. The input audio signal is detected to determine whether it is a background frame. The detected background signal is further detected according to a music characterization value and a decision rule. Therefore, background music can be detected, and the classifying performance of the voice/music classifier is improved. | 08-11-2011 |
20110238418 | Method and Device for Tracking Background Noise in Communication System - A method and a device for tracking background noise in a communication system, where the method includes: calculating a SNR of a current frame according to input audio signals; increasing a frame counter, and calculating tone features and signal steadiness features of the current frame if the SNR of the current frame is not smaller than a first threshold; judging the possibility of a time window including a noise interval according to the calculated tone feature values and signal steadiness feature values of each frame of the time window when the frame counter is increased to the length of the time window; and extracting noise features in the time window. Existence of background noise is analyzed continuously in a time window, so that background noise that changes frequently and dramatically can be detected or tracked rapidly. | 09-29-2011 |
20120278068 | VOICE ACTIVITY DETECTION METHOD AND APPARATUS, AND ELECTRONIC DEVICE - A voice activity detection method and apparatus, and an electronic device are provided. The method includes: obtaining a time domain parameter and a frequency domain parameter from an audio frame; obtaining a first distance between the time domain parameter and a long-term slip mean of the time domain parameter in a history background noise frame, and obtaining a second distance between the frequency domain parameter and a long-term slip mean of the frequency domain parameter in the history background noise frame; and determining whether the audio frame is a foreground voice frame or a background noise frame according to the first distance, the second distance and a set of decision inequalities based on the first distance and the second distance. The above technical solutions enable the determination criterion to have an adaptive adjustment capability, thus improving the performance of the voice activity detection. | 11-01-2012 |
Patent application number | Description | Published |
20100329554 | Automatic exposure estimation for HDR images based on image statistics - A method for tone mapping high dynamic range images for display on low dynamic range displays wherein high dynamic range images are first accessed. The high dynamic range images are divided the into different regions such that each region is represented by a matrix, where each element of the matrix is a weight or probability of a pixel value. An exposure of each region is determined or calculated by estimating an anchor point in each region such that most pixels in each region are mapped to mid grey and the anchor points are adjusted to a key of the images to preserve overall brightness. The regions are then placed or mapped to zones and exposure values are applied to the regions responsive to the weight or probability. The regions are fused together to obtain a final tone mapped image. | 12-30-2010 |
20100329557 | Automatic exposure estimation for HDR images based on image statistics - A method of segmenting regions of an image wherein a number of partitions are determined based on a range of an image histogram in a logarithmic luminance domain. Regions are defined by the partitions. A mean value of each region is calculated by K-means clustering wherein the clustering is initialized, data is assigned and centroids are updated. Anchor points are determined based on the centroids and a weight of each pixel is computed based on the anchor points. | 12-30-2010 |
20120237130 | INTERACTIVE TONE MAPPING FOR HIGH DYNAMIC RANGE VIDEO - A user interactive video tone mapping method is provided that can be used for the tone reproduction of high dynamic range (HDR) content on low dynamic range (LDR) displays. The method comprises the steps of selecting a frame of a video sequence; providing a user interface for a user to manually apply scribble marks to the frame; manually applying N scribble marks to the frame, N being a whole number of value 1 or in greater; and tone mapping the video sequence responsive to the scribble marks. | 09-20-2012 |
20120288217 | HIGH DYNAMIC RANGE (HDR) IMAGE SYNTHESIS WITH USER INPUT - A new high dynamic range image synthesis which can handle the local object motion, wherein an interactive graphical user interface is provided for the end user, through which one can specify the source image for separate part of the final high dynamic range image, either by creating a image mask or scribble on the image. The high dynamic range image synthesis includes the following steps: capturing low dynamic range images with different exposures; registering the low dynamic range images; estimating camera response function; converting the low dynamic range images to temporary radiance images using estimated camera response function; and fusing the temporary radiance images into a single high dynamic range (HDR) image by employing a method of layered masking. | 11-15-2012 |
20120308134 | REDUCING CHROMATIC ABERRATION - At least one implementation reduces chromatic aberration by aligning pixel in a color channel according to displacement from corresponding pixels in another color channel. In one particular implementation, a feature is calculated for a first block of pixels in a first color channel of an image. The feature is calculated for a second block of pixels in a second color channel of the image. Displacement is estimated between the first color channel and the second color channel by comparing the feature for the first block and the feature for the second block. At least a portion of the first color channel is aligned with at least a portion of the second color channel based on the estimated displacement. | 12-06-2012 |
20130091430 | GRAPHICAL USER INTERFACE FOR TONE MAPPING HIGH DYNAMIC RANGE VIDEO - A tone mapping graphical user interface is provided that allows a video engineer to process a video using a set of tools for changing high dynamic range data into lower dynamic range data. | 04-11-2013 |
20130141432 | COLOR CALIBRATION AND COMPENSATION FOR 3D DISPLAY SYSTEMS - A method and system for calibration and compensation of color in a three dimensional display system includes user calibration of individual color channels using a multiplicity of grey screens while viewing with three dimensional glasses. Look-up tables are generated to ease conversion of input pixels to color corrected pixels to pre-distort the color of the pixels being driven by the three dimensional display system. Input pixels are then converted using the look-up tables and color corrected frames are displayed to a user. The pre-distortion effect allows a user to perceive colors in the three dimensional system as intended with the distortions caused by the viewing glasses and other aspects of the three dimensional display system. | 06-06-2013 |
20130163868 | PARAMETERS INTERPOLATION FOR HIGH DYNAMIC RANGE VIDEO TONE MAPPING - A method for toning mapping high dynamic range (HDR) video for display in low dynamic range display comprises accessing the HDR video; producing a luminance information for the individual frames; partitioning different consecutive groups of frames into segments responsive to the luminance information; classifying the segments into static luminance segments and transient luminance segments; producing a tone mapping parameter set for the static luminance segments; producing a tone mapping parameter set for at least one of the transient luminance segments responsive to the tone mapping parameter set of an adjacent static luminance segment; and tone mapping the static luminance segments and transient luminance segments according to the respective tone mapping parameter sets. | 06-27-2013 |
20130258067 | SYSTEM AND METHOD FOR TRINOCULAR DEPTH ACQUISITION WITH TRIANGULAR SENSOR - A depth acquisition system utilizes at least three sensors with at least one sensor in a non-colinear configuration to increase depth information. This configuration provides both vertical and horizontal depth information to be combined to enhance image quality, especially in three-dimensional image gathering. Vertical sensor pairs aid in determining disparities for horizontal edges and make depth estimations for horizontal edges more accurate. | 10-03-2013 |
20150302562 | PROCESSING HIGH DYNAMIC RANGE IMAGES - Various implementations address high dynamic range (“HDR”) images. In one particular implementation, a low dynamic range (“LDR”) image is generated from an HDR image, and information is generated allowing the HDR image to be reconstructed from the LDR image. The LDR image and the information are encoded. In another implementation, a signal or signal structure includes an LDR section including the encoded LDR image, and an information section including the encoded information. In another implementation, the encoded LDR image and the encoded information are both decoded. The HDR image is then reconstructed based on the decoded LDR image and the decoded information. | 10-22-2015 |
Patent application number | Description | Published |
20110306539 | PROCESS FOR MAKING PARTICLES FOR DELIVERY OF DRUG NANOPARTICLES - A process for making particles for delivery of drug nanoparticles is disclosed herein. The process comprises the steps of (a) forming a suspension of drug nanoparticles by mixing a precipitant solution with an anti-solvent solution under micro-mixing environment, where the formed nanoparticles have a narrow particle size distribution; (b) providing an excipient to at least one of the precipitant solution, the anti-solvent solution and the suspension of drug nanoparticles, the excipient being selected to maintain said drug nanoparticles in a dispersed state when in liquid form; and (c) drying the suspension of drug nanoparticles containing the excipient therein to remove solvent therefrom, wherein removal of the solvent causes the excipient to solidify and thereby form micro-sized matrix particles, each micro-sized particle being comprised of drug nanoparticles dispersed in a solid matrix of the excipient. | 12-15-2011 |
20120319174 | CMOS COMPATIBLE MEMS MICROPHONE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a CMOS compatible MEMS microphone, comprising: an SOI substrate, wherein a CMOS circuitry is accommodated on its silicon device layer; a microphone diaphragm formed with a part of the silicon device layer, wherein the microphone diaphragm is doped to become conductive; a microphone backplate including CMOS passivation layers with a metal layer sandwiched and a plurality of through holes, provided above the silicon device layer, wherein the plurality of through holes are formed in the portions thereof opposite to the microphone diaphragm, and the metal layer forms an electrode plate of the backplate; a plurality of dimples protruding from the lower surface of the microphone backplate opposite to the diaphragm; and an air gap, provided between the diaphragm and the microphone backplate, wherein a spacer forming a boundary of the air gap is provided outside of the diaphragm or on the edge of the diaphragm; wherein a back hole is formed to be open in substrate underneath the diaphragm so as to allow sound pass through, and the microphone diaphragm is used as an electrode plate to form a variable capacitive sensing element with the electrode plate of the microphone backplate. | 12-20-2012 |
20140239352 | CMOS COMPATIBLE SILICON DIFFERENTIAL CONDENSER MICROPHONE AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a CMOS compatible silicon differential condenser microphone and a method of manufacturing the same. Said microphone comprises a silicon substrate, wherein a CMOS circuitry is accommodated thereon; a first rigid conductive perforated backplate supported on the silicon substrate with an insulating layer inserted therebetween; a second rigid perforated backplate formed above the first backplate, including CMOS passivation layers and a metal layer sandwiched between the CMOS passivation layers as an electrode plate of the second plate, wherein an air gap, with a spacer forming its boundary, is provided between the opposite perforated areas of the first backplate and the second backplate; a compliant diaphragm provided between the first backplate and the second backplate, wherein a back hole is formed to be open in the silicon substrate underneath the first backplate so as to allow sound pass through, and the diaphragm and the first backplate form a first variable condenser, the diaphragm and the second backplate form a second variable condenser, and the first variable condenser and the second variable condenser form differential condensers. | 08-28-2014 |
20140299948 | SILICON BASED MEMS MICROPHONE, A SYSTEM AND A PACKAGE WITH THE SAME - The present invention relates to a silicon based MEMS microphone, comprising a silicon substrate and an acoustic sensing part supported on the silicon substrate, wherein a mesh-structured back hole is formed in the substrate and aligned with the acoustic sensing part, the mesh-structured back hole includes a plurality of mesh beams which are interconnected with each other and supported on the side wall of the mesh-structure back hole, the plurality of mesh beams and the side wall define a plurality of mesh holes which all have a tapered profile and merge into one hole in the vicinity of the acoustic sensing part at the top side of the silicon substrate. The mesh-structured back hole can help to streamline the air pressure pulse caused, for example, in a drop test and thus reduce the impact on the acoustic sensing part of the microphone, and also serve as a protection filter to prevent alien substances such as particles entering the microphone. | 10-09-2014 |
20150031160 | CMOS COMPATIBLE MEMS MICROPHONE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a CMOS compatible MEMS microphone, comprising: an SOI substrate, wherein a CMOS circuitry is accommodated on its silicon device layer; a microphone diaphragm formed with a part of the silicon device layer, wherein the microphone diaphragm is doped to become conductive; a microphone backplate including CMOS passivation layers with a metal layer sandwiched and a plurality of through holes, provided above the silicon device layer, wherein the plurality of through holes are formed in the portions thereof opposite to the microphone diaphragm, and the metal layer forms an electrode plate of the backplate; a plurality of dimples protruding from the lower surface of the microphone backplate opposite to the diaphragm; and an air gap, provided between the diaphragm and the microphone backplate, wherein a spacer forming a boundary of the air gap is provided outside of the diaphragm or on the edge of the diaphragm; wherein a back hole is formed to be open in substrate underneath the diaphragm so as to allow sound pass through, and the microphone diaphragm is used as an electrode plate to form a variable capacitive sensing element with the electrode plate of the microphone backplate. | 01-29-2015 |
Patent application number | Description | Published |
20120065966 | Voice Activity Detection Method and Apparatus, and Electronic Device - A voice activity detection method and apparatus, and an electronic device are provided. The method includes: obtaining a time domain parameter and a frequency domain parameter from an audio frame; obtaining a first distance between the time domain parameter and a long-term slip mean of the time domain parameter in a history background noise frame, and obtaining a second distance between the frequency domain parameter and a long-term slip mean of the frequency domain parameter in the history background noise frame; and judging whether the audio frame is a foreground voice frame or a background noise frame according to the first distance, the second distance and a set of decision inequalities based on the first distance and the second distance. The above technical solutions enable the judgment criterion to have an adaptive adjustment capability, thus improving the performance of the voice activity detection. | 03-15-2012 |
20120084085 | METHOD AND DEVICE FOR TRACKING BACKGROUND NOISE IN COMMUNICATION SYSTEM - A method and a device for tracking background noise in a communication system are provided. The method includes: calculating a SNR of a current frame according to input audio signals; increasing a frame counter, and calculating tone features and signal steadiness features of the current frame if the SNR of the current frame is not less than a first threshold; determining the possibility of a time window including a noise interval according to the calculated tone feature values and signal steadiness feature values of each frame of the time window when the frame counter is increased to the length of the time window; and extracting noise features in the time window. Existence of background noise is analyzed continuously in a time window, so that background noise that changes frequently. | 04-05-2012 |
20120197642 | SIGNAL PROCESSING METHOD, DEVICE, AND SYSTEM - Embodiments of the present invention relate to a signal identifying method, including: obtaining signal characteristics of a current frame of input signals; deciding, according to the signal characteristics of the current frame and updated signal characteristics of a background signal frame before the current frame, whether the current frame is a background signal frame; detecting whether the current frame serving as a background signal frame is in a first type signal state; and adjusting a signal classification decision threshold according to whether the current frame serving as a background signal frame is in the first type signal state to enhance the speech signal identification capability. | 08-02-2012 |
20120215541 | SIGNAL PROCESSING METHOD, DEVICE, AND SYSTEM - A signal identifying method includes obtaining signal characteristics of a current frame of input signals; deciding, according to the signal characteristics of the current frame and updated signal characteristics of a background signal frame before the current frame, whether the current frame is a background signal frame; detecting whether the current frame serving as a background signal frame is in a first type signal state; and adjusting a signal classification decision threshold according to whether the current frame serving as a background signal frame is in the first type signal state to enhance the speech signal identification capability. | 08-23-2012 |
20120232896 | METHOD AND AN APPARATUS FOR VOICE ACTIVITY DETECTION - A voice activity detection apparatus ( | 09-13-2012 |
20130027389 | MAKING A TWO-DIMENSIONAL IMAGE INTO THREE DIMENSIONS - A 2D (two dimensional) image can be received that comprises at least one image layer. A depth value can be added to the image layer in the 2D image. The 2D image can be made into 3D (three dimensional) by using the added depth value. | 01-31-2013 |
20130282367 | METHOD AND APPARATUS FOR PERFORMING VOICE ACTIVITY DETECTION - This application relates to a voice activity detection (VAD) apparatus configured to provide a voice activity detection decision for an input audio signal. The VAD apparatus includes a state detector and a voice activity calculator. The state detector is configured to determine, based on the input audio signal, a current working state of the VAD apparatus among at least two different working states. Each of the at least two different working states is associated with a corresponding working state parameter decision set which includes at least one voice activity decision parameter. The voice activity calculator is configured to calculate a voice activity detection parameter value for the at least one voice activity decision parameter of the working state parameter decision set associated with the current working state, and to provide the voice activity detection decision by comparing the calculated voice activity detection parameter value with a threshold. | 10-24-2013 |
20130304464 | METHOD AND APPARATUS FOR ADAPTIVELY DETECTING A VOICE ACTIVITY IN AN INPUT AUDIO SIGNAL - The disclosure provides a method and an apparatus for adaptively detecting a voice activity in an input audio signal composed of frames. The method comprises the steps of: determining a noise characteristic of the input signal based on a received frame of the input audio signal; deriving a voice activity detection (VAD) parameter based on the noise characteristic of the input audio signal; and comparing the derived VAD parameter with a threshold value to provide a voice activity detection decision. | 11-14-2013 |
20140018380 | BICYCLIC HETEROARYL COMPOUNDS AS GPR119 RECEPTOR AGONISTS - The present invention provides a new class of bicyclic heteroaryl compounds represented by Formula I, pharmaceutical compositions containing these compounds, and their use for modulating the activity of GPR119 in the treatment of metabolic disorders and complications thereof, as well as methods for the treatment of the metabolic disorders and complications thereof. | 01-16-2014 |
20140036253 | METHOD AND SYSTEM FOR IMPROVING PRECISION OF ELEMENT MEASUREMENT BASED ON LASER-INDUCED BREAKDOWN SPECTROSCOPY - The present invention provides a method and a system for improving the precision of element measurement based on laser-induced breakdown spectroscopy. The method comprises: press-forming a sample to be measured with a tablet press; making a hole on or immediately above a surface of the press formed sample; forming a layer of aerosol immediately above the surface of the sample to be measured with the components thereof completely identical to those of the sample to be measured; testing the sample to be measured by using a laser-induced breakdown spectroscopic system, so as to obtain the intensities of the characteristic spectral lines of a target element in the sample to be measured; and determining the concentration of the target element in the sample to be measured according to a calibration curve of the target element in prearranged calibration samples. | 02-06-2014 |
20140296261 | KINASE MODULATING COMPOUNDS, COMPOSITIONS CONTAINING THE SAME AND USE THEREOF - The invention provides a compound represented by formula (I) which may modulate a kinase, and a pharmaceutical composition thereof, as well as the method for preventing or treating a protein kinase mediated disease or condition. | 10-02-2014 |
20140316774 | Method, Apparatus, and System for Processing Audio Data - A method, an apparatus, and a system for processing audio data are provided that pertain to the field of communications technologies. The method includes: obtaining a noise frame of an audio signal, and decomposing the current noise frame into a noise low-band signal and a noise high-band signal; and encoding and transmitting the noise low-band signal by using a first discontinuous transmission mechanism, and encoding and transmitting the noise high-band signal by using a second discontinuous transmission mechanism. According to the present invention, different processing manners are used for the high-band signal and the low-band signal, calculation loads and encoded bits may be saved under a premise of not lowering subjective quality of a codec, and bits that are saved may help to achieve an objective of reducing a transmission bandwidth or improving overall encoding quality. | 10-23-2014 |
20140337020 | Method and Apparatus for Performing Voice Activity Detection - A voice activity detection (VAD) apparatus configured to provide a voice activity detection decision for an input audio signal. The VAD apparatus includes a state detector and a voice activity calculator. The state detector is configured to determine, based on the input audio signal, a current working state of the VAD apparatus among at least two different working states. Each of the at least two different working states is associated with a corresponding working state parameter decision set which includes at least one voice activity detection parameter. The voice activity calculator is configured to calculate a voice activity detection parameter value for the at least one voice activity detection parameter of the working state parameter decision set associated with the current working state, and to provide the voice activity detection decision by comparing the calculated voice activity detection parameter value with a threshold. | 11-13-2014 |
20160063153 | SIMULATION METHOD AND APPARATUS FOR WIND FARM COMMON COUPLING REGION - The present disclosure relates to a simulation method and simulation apparatus for a wind farm common coupling region. The simulation method includes: obtaining main network data calculated in a previous simulation period as initial values for performing a main network simulation in a current simulation period; obtaining sub-network data of a sub-network corresponding to each wind farm which is calculated in the previous simulation period as initial values for performing a sub-network simulation in the current simulation period, in which the sub-network data of the sub-network corresponding to each wind farm comprises terminal voltage amplitudes of wind turbines and static reactive power compensation devices in each wind farm; performing the main network simulation and the sub-network simulation in parallel in the current simulation period. | 03-03-2016 |
20160078873 | SIGNAL ENCODING METHOD AND DEVICE - A signal encoding method and device are disclosed. The method includes, when an encoding manner of a previous frame of a currently-input frame is a continuous encoding manner, predicting a comfort noise that is generated by a decoder according to the currently-input frame when the currently-input frame is encoded into an SID frame, determining an actual silence signal, determining a deviation degree between the comfort noise and the actual silence signal, determining an encoding manner of the currently-input frame according to the deviation degree, and encoding the currently-input frame according to the encoding manner of the currently-input frame. It is determined, according to the deviation degree between the comfort noise and the actual silence signal, that the encoding manner of the currently-input frame is the hangover frame encoding manner or the SID frame encoding manner, which can save communication bandwidth. | 03-17-2016 |
Patent application number | Description | Published |
20140061058 | AEROBIC OXIDATION OF ALKANES - An aerobic method for oxidizing an alkane is disclosed herein. At least a portion of a surface of a platinum working electrode is activated at an interface between the platinum working electrode and an ionic liquid electrolyte (i.e., 1-ethyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-propyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-pentyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-hexyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-heptyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-octyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-nonyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, and 1-decyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imidem, and combinations thereof). An interface complex is formed at the interface. An alkane gas is supplied to the interface. The alkane adsorbs at or near the interface complex. The alkane gas in the presence of oxygen is supplied to the interface. While the alkane gas in the presence of oxygen is supplied to the interface, a positive electrode potential is applied to the platinum working electrode, which causes a reactive oxygen species formed at the interface to catalyze oxidation of the adsorbed alkane to form a reaction product. | 03-06-2014 |
20140197045 | SIMULTANEOUSLY QUANTIFYING AN ALKANE AND OXYGEN USING A SINGLE SENSOR - An alkane gas is supplied to an interface between an activated surface of a platinum or palladium working electrode and an ionic liquid electrolyte. The alkane adsorbs at or near an interface complex formed at the interface. The ionic liquid electrolyte is selected from a group consisting of 1-ethyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-propyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1 -pentyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1-hexyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1 -heptyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1 -octyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, 1 -nonyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, and 1-decyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imidem, and combinations thereof. While the alkane gas in the presence of oxygen is supplied to the interface, positive electrode potential is applied to the platinum or palladium working electrode, which causes oxidation of the adsorbed alkane to form a reaction product. A concentration of the alkane is quantified using an alkane anodic current or current density at the positive electrode potential. The alkane is used as an internal standard to calibrate oxygen detection. | 07-17-2014 |
Patent application number | Description | Published |
20150019823 | METHOD AND APPARATUS RELATED TO CACHE MEMORY - A cache includes a cache array and a cache controller. The cache array has a plurality of entries. The cache controller is coupled to the cache array. The cache controller evicts entries from the cache array according to a cache replacement policy. The cache controller evicts a first cache line from the cache array by generating a writeback request for modified data from the first cache line, and subsequently generates a writeback request for modified data from a second cache line if the second cache line is about to satisfy the cache replacement policy and stores data from a common locality as the first cache line. | 01-15-2015 |
20150039836 | METHODS AND APPARATUS RELATED TO DATA PROCESSORS AND CACHES INCORPORATED IN DATA PROCESSORS - A cache includes a cache array and a cache controller. The cache array has a multiple number of entries. The cache controller is coupled to the cache array, for storing new entries in the cache array in response to accesses by a data processor, and evicts entries from the cache array according to a cache replacement policy. The cache controller includes a frequent writes predictor for storing frequency information indicating a write back frequency for the multiple number of entries. The cache controller selects a candidate entry for eviction based on both recency information and the frequency information. | 02-05-2015 |
20150100735 | Enhancing Lifetime of Non-Volatile Cache by Reducing Intra-Block Write Variation - A method, a system and a computer-readable medium for writing to a cache memory are provided. The method comprises maintaining a write count associated with a set, the set containing a memory block associated with a physical block address. A mapping from a logical address to the physical address of the block is also maintained. The method shifts the mapping based on the value of the write count and writes data to the block based on the mapping. | 04-09-2015 |
20150100739 | Enhancing Lifetime of Non-Volatile Cache by Injecting Random Replacement Policy - A method, a system and a computer-readable medium for writing to a non-volatile cache memory are provided. The method maintains a write count associated with a set of memory locations. The method then selects a cache replacement policy based on the value of the write count and selecting a block within the set for writing data using the selected cache replacement policy. The selected cache replacement policy can introduce a randomized selection. | 04-09-2015 |