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Sanjeev Mehrotra patents

Recent patents with Sanjeev Mehrotra listed as an inventor - additional entries may be under other spellings.


Sanjeev Mehrotra - Related organizations: Microsoft Technology Licensing, Llc patents, Microsoft Corporation patents

Bitstream syntax for multi-process audio decoding

08/25/16 - 20160247515 - An audio decoder provides a combination of decoding components including components implementing base band decoding, spectral peak decoding, frequency extension decoding and channel extension decoding techniques. The audio decoder decodes a compressed bitstream structured by a bitstream syntax scheme to permit the various decoding components to extract the appropriate parameters
Inventors: Kazuhito Koishida, Sanjeev Mehrotra, Chao He, Wei-ge Chen

Functional programming in distributed computing

10/22/15 - 20150304420 - Disclosed herein are systems and methods for executing programs written in functional style. A distributed computing system receives a program that expresses computation upon one or more sets of distributed key-value pairs (DKVs) and one or more global variables (GVs). The system distributes an assembly that includes at least a
Inventors: Jin Li, Sanjeev Mehrotra

Bitstream syntax for multi-process audio decoding

07/30/15 - 20150213804 - An audio decoder provides a combination of decoding components including components implementing base band decoding, spectral peak decoding, frequency extension decoding and channel extension decoding techniques. The audio decoder decodes a compressed bitstream structured by a bitstream syntax scheme to permit the various decoding components to extract the appropriate parameters
Inventors: Kazuhito Koishida, Sanjeev Mehrotra, Chao He, Wei-ge Chen

Controlling bandwidth across multiple users for interactive services

12/25/14 - 20140379910 - Embodiments are directed to controlling bandwidth usage using a token-based crediting and debiting scheme and to allowing connections to temporarily exceed bandwidth allocations using token credits. In one scenario, a bandwidth managing service receives a request to establish a connection with a network. The connection is associated with various subscribers
Inventors: Anurekh Saxena, Costin Hagiu, Rajneesh Mahajan, Sanjeev Mehrotra, Benjamin Homelson Meister

Predicting data compressibility using data entropy estimation

08/28/14 - 20140244604 - The subject disclosure is directed towards predicting compressibility of a data block, and using the predicted compressibility in determining whether a data block if compressed will be sufficiently compressible to justify compression. In one aspect, data of the data block is processed to obtain an entropy estimate of the data
Inventors: Paul Adrian Oltean, Cosmin A. Rusu, Arnd Christian König, Mark Steven Manasse, Jin Li, Sudipta Sengupta, Sanjeev Mehrotra

Determining documents that match a query

08/14/14 - 20140229473 - A computer-implemented method and system for determining documents that are nearest to a query are provided herein. The method includes constructing a vantage point tree based on a number of document vectors. The method also includes searching the vantage point tree to determine a number of nearest neighbor document vectors
Inventors: Sanjeev Mehrotra, Jin Li, Abhinav Shrivastava

Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes

08/14/14 - 20140229186 - An encoder performs context-adaptive arithmetic encoding of transform coefficient data. For example, an encoder switches between coding of direct levels of quantized transform coefficient data and run-level coding of run lengths and levels of quantized transform coefficient data. The encoder can determine when to switch between coding modes based on
Inventors: Sanjeev Mehrotra, Wei-ge Chen

Bitstream syntax for multi-process audio decoding

06/05/14 - 20140156287 - An audio decoder provides a combination of decoding components including components implementing base band decoding, spectral peak decoding, frequency extension decoding and channel extension decoding techniques. The audio decoder decodes a compressed bitstream structured by a bitstream syntax scheme to permit the various decoding components to extract the appropriate parameters
Inventors: Kazuhito Koishida, Sanjeev Mehrotra, Chao He, Wei-ge Chen

Congestion control for delay sensitive applications

10/24/13 - 20130279338 - In various embodiments, methods and systems are disclosed for a hybrid rate plus window based congestion protocol that controls the rate of packet transmission into the network and provides low queuing delay, practically zero packet loss, fair allocation of network resources amongst multiple flows, and full link utilization. In one
Inventors: Sanjeev Mehrotra, Tong L. Wynn, Jin Li, Sudipta Sengupta

Universal rate control mechanism with parameter adaptation for real-time communication applications

05/23/13 - 20130128735 - A “Universal Rate Control Mechanism with Parameter Adaptation” (URCMPA) improves real-time communication (RTC) sessions in terms of delay, loss, throughput, and PSNR. The URCMPA automatically learns network characteristics including bottleneck link capacity, inherent queuing delay, inherent packet loss rates, etc., during RTC sessions. The URCMPA uses this information to dynamically
Inventors: Jin Li, Sanjeev Mehrotra, Di Xie

Optimized client side rate control and indexed file layout for streaming media

05/16/13 - 20130124697 - An indexed file layout, comprising index information, is defined for segmented streaming of multimedia content. The index information can comprise program description information and streaming segment index information. In addition, the layout can comprise files containing streaming segments of the program, where the streaming segments are each encoded at one
Inventors: Sanjeev Mehrotra, Kishore Kotteri, Bharath Siravara, Thomas W. Holcomb, Hui Gao, Serge Smirnov

Adaptive bandwidth estimation

05/09/13 - 20130114421 - It can be determined whether relative one way delay for data packets in a data stream exceeds a delay threshold. If so, then a delay congestion signal indicating that the relative one way delay exceeds the delay threshold can be generated. The delay congestion signal can be used in calculating
Inventors: Tin Qian, Jin Li, Tanner M. Hodgeson, Sanjeev Mehrotra, Jiannan Zheng, Timothy M. Moore

Content aware chunking for achieving an improved chunk size distribution

02/28/13 - 20130054544 - The subject disclosure is directed towards partitioning a file into chunks that satisfy a chunk size restriction, such as maximum and minimum chunk sizes, using a sliding window. For file positions within the chunk size restriction, a signature representative of a window fingerprint is compared with a target pattern, with
Inventors: Jin Li, Sudipta Sengupta, Sanjeev Mehrotra, Ran Kalach, Paul Adrian Oltean

Bitstream syntax for multi-process audio decoding

12/20/12 - 20120323584 - An audio decoder provides a combination of decoding components including components implementing base band decoding, spectral peak decoding, frequency extension decoding and channel extension decoding techniques. The audio decoder decodes a compressed bitstream structured by a bitstream syntax scheme to permit the various decoding components to extract the appropriate parameters
Inventors: Kazuhito Koishida, Sanjeev Mehrotra, Chao He, Wei-ge Chen

Kernel awareness of physical environment

06/21/12 - 20120155262 - Described are techniques to use adaptive learning to control bandwidth or rate of transmission of a computer on a network. Congestion observations such as packet delay and packet loss are used to compute a congestion signal. The congestion signal is correlated with information about actual congestion on the network, and
Inventors: Jin Li, Hua Chen, Sourabh Jain, Sanjeev Mehrotra

Minimizing network latency in interactive internet applications

05/24/12 - 20120128010 - A method and system that enhances a user's performance while interacting with an interactive internet application such as a Massively Multiplayer Online (MMO) game is provided. The network latency experienced by users participating in the MMO game is minimized by dynamically determining an optimal transmission action for a message generated
Inventors: Cheng Huang, Jin Li, Sanjeev Mehrotra, Philip A. Chou, Felix Livni, Hao Chen, Jay Thaler, Chao Zhang, Keith W. Ross

Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes

03/22/12 - 20120069899 - An encoder performs context-adaptive arithmetic encoding of transform coefficient data. For example, an encoder switches between coding of direct levels of quantized transform coefficient data and run-level coding of run lengths and levels of quantized transform coefficient data. The encoder can determine when to switch between coding modes based on
Inventors: Sanjeev Mehrotra, Wei-ge Chen

Remote presentation over lossy transport with forward error correction

09/08/11 - 20110219287 - In various embodiments, methods and systems are disclosed for integrating a remote presentation protocol with a datagram based transport. In one embodiment, an integrated protocol is configured to support lossless or reduced loss transport based on Retransmission (ARQ) combined with Forward Error Correction (FEC). The protocol involves encoding and decoding
Inventors: Nelamangal Krishnaswamy Srinivas, Nadim Y. Abdo, Sanjeev Mehrotra, Tong L. Wynn

Congestion control for delay sensitive applications

09/08/11 - 20110216648 - In various embodiments, methods and systems are disclosed for a hybrid rate plus window based congestion protocol that controls the rate of packet transmission into the network and provides low queuing delay, practically zero packet loss, fair allocation of network resources amongst multiple flows, and full link utilization. In one
Inventors: Sanjeev Mehrotra, Tong L. Wynn, Jin Li, Sudipta Sengupta

Bitstream syntax for multi-process audio decoding

08/11/11 - 20110196684 - An audio decoder provides a combination of decoding components including components implementing base band decoding, spectral peak decoding, frequency extension decoding and channel extension decoding techniques. The audio decoder decodes a compressed bitstream structured by a bitstream syntax scheme to permit the various decoding components to extract the appropriate parameters
Inventors: Kazuhito Koishida, Sanjeev Mehrotra, Chao He, Wei-ge Chen

Complex-transform channel coding with extended-band frequency coding

02/10/11 - 20110035226 - An audio encoder receives multi-channel audio data comprising a group of plural source channels and performs channel extension coding, which comprises encoding a combined channel for the group and determining plural parameters for representing individual source channels of the group as modified versions of the encoded combined channel. The encoder
Inventors: Sanjeev Mehrotra, Wei-ge Chen

Entropy coding using escape codes to switch between plural code tables

02/10/11 - 20110035225 - An audio encoder performs adaptive entropy encoding of audio data. For example, an audio encoder switches between variable dimension vector Huffman coding of direct levels of quantized audio data and run-level coding of run lengths and levels of quantized audio data. The encoder can use, for example, context-based arithmetic coding
Inventors: Sanjeev Mehrotra, Wei-ge Chen

Optimized transport protocol for delay-sensitive data

08/05/10 - 20100195488 - Transmission delays are minimized when packets are transmitted from a source computer over a network to a destination computer. The source computer measures the network's available bandwidth, forms a sequence of output packets from a sequence of data packets, and transmits the output packets over the network to the destination
Inventors: Sanjeev Mehrotra, Ying-zong Huang, Jin Li, Sayandeep Sen, Manish Jain, Sudipta Sengupta

Constructing forward error correction codes

06/17/10 - 20100153822 - Construction and use of forward error correction codes is provided. A systematic MDS FEC code is obtained having a property wherein any set of contiguous or non-contiguous r packets can be lost during a data transmission of k data packets and r encoded packets and the original k packets can
Inventors: Cheng Huang, Sanjeev Mehrotra, Jin Li, Xiping Zuo, Walid S.i. Ali, Regis J. Crinon, Ruchir Astavans

Fine-grained client-side control of scalable media delivery

04/01/10 - 20100080290 - Techniques and tools for adjusting quality and bit rate of multiple chunks of media delivered over a network are described. For example, each of the multiple chunks is encoded as multiple layers (e.g., a base layer and multiple embedded residual layers) for fine-grained scalability at different rate/quality points. A server
Inventors: Sanjeev Mehrotra

Factorization of overlapping tranforms into two block transforms

12/03/09 - 20090299754 - An audio encoder/decoder uses a combination of an overlap windowing transform and block transform that have reversible implementations to provide a reversible, integer-integer form of a lapped transform. The reversible lapped transform permits both lossy and lossless transform domain coding of an audio signal having variable subframe sizes.
Inventors: Sanjeev Mehrotra

Optimized client side rate control and indexed file layout for streaming media

11/12/09 - 20090282162 - An indexed file layout, comprising index information, is defined for segmented streaming of multimedia content. The index information can comprise program description information and streaming segment index information. In addition, the layout can comprise files containing streaming segments of the program, where the streaming segments are each encoded at one
Inventors: Sanjeev Mehrotra, Kishore Kotteri, Bharath Siravara, Thomas W. Holcomb, Hui Gao, Serge Smirnov

Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers

11/12/09 - 20090279605 - A method of encoding an input video stream comprising a video component and an audio component is disclosed. The input video stream is split into a plurality of segments, each comprising a plurality of frames. Each of the segments is encoded as a low bit rate layer, a high bit
Inventors: Thomas W. Holcomb, Sanjeev Mehrotra, Serge Smirnov, Bharath Siravara

Lossless and near lossless scalable audio codec

10/01/09 - 20090248424 - A scalable audio codec encodes an input audio signal as a base layer at a high compression ratio and one or more residual signals as an enhancement layer of a compressed bitstream, which permits a lossless or near lossless reconstruction of the input audio signal at decoding. The scalable audio
Inventors: Kazuhito Koishida, Sanjeev Mehrotra, Radhika Jandhyala

Multi-channel hole-filling for audio compression

08/20/09 - 20090210222 - Multi-channel hole-filling for audio compression is disclosed. Channel dependency groups (CDGs) are explicitly extracted based on channel transform information. Holes are detected within each CDG for each bark, and a CDG hole is identified as requiring filling as a particular section of frequency bandwidth larger than a predetermined hole bandwidth
Inventors: Sanjeev Mehrotra, Hui Gao, Kazuhito Kioshida, Chao He

Client-side audio signal mixing on low computational power player using beat metadata

06/18/09 - 20090157203 - A low computational power digital audio player achieves beat continuous transitioning between digital audio pieces based on beat metadata, which can be generated via offline processing on a higher computational power computer or via background or idle processing on the digital audio player. The digital audio player produces playlists of
Inventors: John Bregar, Andy Precious, Sanjeev Mehrotra, Serge Smirnov

Transcoder using encoder generated side information

05/14/09 - 20090125315 - An audio encoder encodes side information into a compressed audio bitstream containing encoding parameters used by the encoder for one or more encoding techniques, such as a noise-mask-ratio curve used for rate control. A transcoder uses the encoder generated side information to transcode the audio from the original compressed bitstream
Inventors: Kazuhito Koishida, Sanjeev Mehrotra, Wei-ge Chen

Channel extension coding for multi-channel source

04/30/09 - 20090112606 - A multi-channel audio decoder reconstructs multi-channel audio of more than two physical channels from a reduced set of coded channels based on correlation parameters that specify a full power cross-correlation matrix of the physical channels, or merely preserve a partial correlation matrix (such as power of the physical channels, and
Inventors: Sanjeev Mehrotra, Kishore Kotteri

Efficient coding of digital media spectral data using wide-sense perceptual similarity

03/26/09 - 20090083046 - Traditional audio encoders may conserve coding bit-rate by encoding fewer than all spectral coefficients, which can produce a blurry low-pass sound in the reconstruction. An audio encoder using wide-sense perceptual similarity improves the quality by encoding a perceptually similar version of the omitted spectral coefficients, represented as a scaled version
Inventors: Sanjeev Mehrotra, Wei-ge Chen


### Sanjeev Mehrotra patent invention listings

The bibliographic references displayed about Sanjeev Mehrotra's patents are for a recent sample of Sanjeev Mehrotra's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Sanjeev Mehrotra filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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