公开(公告)号：US20160210957A1

公开(公告)日：2016-07-21

申请号：US15001221

申请日：2016-01-19

Applicant: Foundation for Research and Technology - Hellas (FORTH)

Inventor： NIKOLAOS STEFANAKIS ,  ATHANASIOS MOUCHTARIS

IPC: G10K11/175

CPC classification number: H04R3/005 ,  G10K11/346 ,  G10L21/0216 ,  G10L2021/02166 ,  H04R29/005 ,  H04R2430/03 ,  H04R2430/23

Abstract: A processor-implemented method for foreground signal suppression. The method includes: capturing a plurality of input signals using a plurality of sensors within a sound field; subjecting each input signal to a short-time Fourier transform to transform each signal into a plurality of non-overlapping subband regions; estimating the diffuseness of the sound field based on the plurality of input signals; decomposing each of the plurality of input signals into a diffuse component and a directional component based on the diffuseness estimate; applying a spatial analysis operation to filter the directional component of each of the plurality of input signals, wherein the spatial analysis operation includes applying a set of beamformers to the directional components to produce a plurality of beamformer signals; and processing the plurality of beamformer signals to decompose the signal into a foreground channel and a background channel.

Abstract translation: 用于前景信号抑制的处理器实现的方法。 该方法包括：使用声场内的多个传感器捕获多个输入信号; 对每个输入信号进行短时傅里叶变换，以将每个信号变换成多个不重叠子带区域; 基于所述多个输入信号估计所述声场的扩散度; 基于扩散度估计将多个输入信号中的每一个分解为扩散分量和方向分量; 应用空间分析操作来过滤所述多个输入信号中的每一个的方向分量，其中所述空间分析操作包括将一组波束形成器应用于所述方向分量以产生多个波束形成器信号; 以及处理所述多个波束形成信号以将所述信号分解成前台信道和后台信道。

公开(公告)号：US20160087899A1

公开(公告)日：2016-03-24

申请号：US14864355

申请日：2015-09-24

Applicant: Foundation for Research and Technology - Hellas (FORTH)

Inventor： Manolis G.H. Katevenis

IPC: H04L12/803 ,  H04L12/721

CPC classification number: H04L47/22 ,  H04L47/263

Abstract: A processor-implemented method for regulating the flow rate of data packets in a network, including defining a global constant representing a regularly repeating time period common among flow sources in the network; transmitting current flow rate information from each of the flow sources, and for each flow, to the links traversed by each flow, exactly once during a current period; categorizing each of the flows passing through the links on the network into a category for the current period for each link by comparing the current flow rate information to a previously determined fair-share flow rate for the link; counting, in each link, the flows per category for the current period; determining a current fair-share flow rate for the current period in each link using the results of the categorizing and counting; and providing control instructions to each of the flow sources to regulate the rate of each flow.

Abstract translation: 一种用于调节网络中数据分组流量的处理器实现的方法，包括定义表示网络中的流源之间共同的规则重复时间段的全局常数; 将当前流量信息从每个流源发送，并且对于每个流程，在当前周期期间精确地将每个流程所经过的链路精确地传送一次; 通过将当前流量信息与先前确定的公平共享流量进行比较，将通过网络上的链路的每个流分类为每个链路的当前周期的类别; 在每个环节中，计算当前期间每个类别的流量; 使用分类和计数的结果确定每个环节当前的当前公允流动流量; 以及向每个流源提供控制指令以调节每个流的速率。

公开(公告)号：US20140310473A1

公开(公告)日：2014-10-16

申请号：US13861101

申请日：2013-04-11

Applicant: Institute of Computer Science (ICS) of the Foundation for Research and Technology-Hellas (FORTH)

Inventor： Angelos Bilas ,  Konstantinos Chasapis ,  Markos Fountoulakis ,  Stelios Mavridis ,  Spyridon Papageorgiou ,  Manolis Marazakis ,  Yannis Sfakianakis

IPC: G06F12/08

CPC classification number: G06F12/0875 ,  G06F11/00 ,  G06F11/1435 ,  G06F11/1471 ,  G06F11/3409 ,  G06F11/3414 ,  G06F11/3485 ,  G06F2201/815 ,  G06F2201/87

Abstract: A method for storage input/output (I/O) path configuration in a system that includes at least one storage device in network communication with at least one computer processor; the method comprising providing in the I/O path into at least: (a) a block-based kernel-level filesystem, (b) an I/O cache module controlling an I/O cache implemented on a first computer readable medium, (c) a journaling module, and (d) a storage cache module controlling a storage cache implemented on a second computer readable medium, the second computer readable medium having a lower read/write speed than the first computer readable medium. Furthermore, the steps of translating by the filesystem, based on computer executable instructions executed by the at least one processor, a file I/O request made by an application executed by the at least one computer processor into a block I/O request and fulfilling by the at least one processor the block I/O request from one of the I/O cache and the storage cache complete the I/O operation.

Abstract translation: 一种用于在包括与至少一个计算机处理器的网络通信中的至少一个存储设备的系统中存储输入/输出（I / O）路径配置的方法; 该方法包括至少在I / O路径中提供：（a）基于块的内核级文件系统，（b）控制在第一计算机可读介质上实现的I / O缓存的I / O高速缓存模块， c）日志模块，以及（d）控制在第二计算机可读介质上实现的存储高速缓存的存储高速缓存模块，所述第二计算机可读介质具有比所述第一计算机可读介质更低的读/写速度。 此外，由文件系统基于由至少一个处理器执行的计算机可执行指令将由至少一个计算机处理器执行的应用所做的文件I / O请求转换成块I / O请求并实现 通过至少一个处理器，来自I / O缓存和存储缓存之一的块I / O请求完成I / O操作。

公开(公告)号：US11425812B2

公开(公告)日：2022-08-23

申请号：US16966242

申请日：2018-02-02

Applicant: Theodore Peter Rakitzis ,  FOUNDATION FOR RESEARCH AND TECHNOLOGY-HELLAS (FORTH) / INSTITUTE OF ELECTRONIC STRUCTURE AND LASER (IESL)

Inventor： Theodore Peter Rakitzis

IPC: H05H3/02 ,  G21B1/15 ,  G21K1/16

Abstract: A method and system for producing a neutral beam of spin polarized Hydrogen isotopes by photodissociating compound molecules are provided. Each compound molecule comprises a Hydrogen isotope and a second element. A molecular beam is generated by passing the compound molecules through a nozzle. The molecular beam is introduced into a photodissociation chamber. The molecular beam is photodissociated into spin polarized Hydrogen isotopes and second elements by intersecting the molecular beam with a circularly polarized photolysis laser beam. The spin polarized Hydrogen isotopes are guided, accelerated, and neutralized.

公开(公告)号：US20210051794A1

公开(公告)日：2021-02-18

申请号：US16966242

申请日：2018-02-02

Applicant: THEODORE PETER RAKITZIS ,  FOUNDATION FOR RESEARCH AND TECHNOLOGY-HELLAS (FORTH) / INSTITUTE OF ELECTRONIC STRUCTURE AND LASER

Inventor： THEODORE PETER RAKITZIS

IPC: H05H3/02 ,  G21K1/16 ,  G21B1/15

Abstract: A method for producing a neutral beam of spin polarized Hydrogen isotopes by photodissociating compound molecules is provided. Each compound molecule comprises a Hydrogen isotope and a second element. A molecular beam is generated by passing the compound molecules through a nozzle. The molecular beam is introduced into a photodissociation chamber. The molecular beam is photodissociated into spin polarized Hydrogen isotopes and second elements by intersecting the molecular beam with a circularly polarized photolysis laser beam. The spin polarized Hydrogen isotopes are guided, accelerated, and neutralized. A photodissociation system for producing a neutral beam of spin polarized Hydrogen isotopes by photodissociating compound molecules and a nuclear reactor system are also provided.

公开(公告)号：US20180358030A1

公开(公告)日：2018-12-13

申请号：US16004117

申请日：2018-06-08

Applicant: Foundation for Research and Technology - Hellas (FORTH)

Inventor： Nikolaos Stefanakis ,  Athanasios Mouchtaris

IPC: G10L21/0208 ,  G10L19/008 ,  G10L25/06

CPC classification number: G10L21/0208 ,  G10L19/008 ,  G10L25/06

Abstract: In aspects, systems, methods, apparatuses and computer-readable storage media implementing embodiments for mixing audio content based on a plurality of user generated recordings (UGRs) are disclosed. In embodiments, the mixing comprises: receiving a plurality of UGRs, each UGR of the plurality of UGRs comprising at least audio content; determining a correlation between samples of audio content associated with at least two UGRs of the plurality of UGRs; generating one or more clusters comprising samples of the audio content identified as having a relationship based on the determined correlations; synchronizing, for each of the one or more clusters, the samples of the audio content to produce synchronized audio content for each of the one or more clusters, normalizing, for each of the one or more clusters, the synchronized audio content to produce normalized audio content; and mixing, for each of the one or more clusters, the normalized audio content.

公开(公告)号：US09955277B1

公开(公告)日：2018-04-24

申请号：US14294095

申请日：2014-06-02

Applicant: Foundation for Research and Technology—Hellas (F.O.R.T.H.) Institute of Computer Science (I.C.S.)

Inventor： Anastasios Alexandridis ,  Anthony Griffin ,  Athanasios Mouchtaris

IPC: H04S5/00

CPC classification number: H04S7/30 ,  H04R3/005 ,  H04R2201/401 ,  H04R2430/03 ,  H04S2400/03 ,  H04S2400/15 ,  H04S2420/01

Abstract: A processor-implemented method for spatial sound characterization is described. In one implementation, each of a plurality of source signals detected by a plurality of sensing devices, is segmented into a plurality of time frames. For each time frame, time-frequency transform of the source signals is derived, an estimated number of sources and at least one estimated direction of arrival corresponding to each of the source signals is obtained. Further, source signals are extracted by spatial separation based at least on the estimated directions of arrival and the estimated number of sources, and separated source signals are processed to yield a reference signal and side information.

公开(公告)号：US20160285971A1

公开(公告)日：2016-09-29

申请号：US14961679

申请日：2015-12-07

Applicant: Foundation for Research and Technology - Hellas (FORTH)

Inventor： Angelos Bilas ,  Maria Pilar Gonzalez Ferez

IPC: H04L29/08 ,  H04L12/26 ,  H04L12/803 ,  H04L29/06

Abstract: A computer network-storage protocol system, including at least one initiator device having an initiator block layer and an initiator network layer interfacing with a first network driver; at least one target device having a target block layer and a target network layer interfacing with a second network driver; a plurality of network interface controllers (NICs) interfacing with the first network driver and the second network driver; a plurality of distinct channels, each channel establishing a connection between the initiator device and the target device and being configured to transmit packets between the initiator device and the target device, wherein each channel is mapped to only one NIC; and wherein the initiator block layer includes at least one request message buffer and at least one data message buffer.

Abstract translation: 一种计算机网络存储协议系统，包括至少一个具有与第一网络驱动器接口的发起方块层和起始网络层的发起者设备; 至少一个目标设备具有目标块层和与第二网络驱动器接口的目标网络层; 与第一网络驱动器和第二网络驱动器接口的多个网络接口控制器（NIC）; 多个不同的信道，每个信道在所述发起者设备和所述目标设备之间建立连接，并且被配置为在所述发起者设备和所述目标设备之间传送分组，其中每个信道被映射到仅一个NIC; 并且其中所述起始器块层包括至少一个请求消息缓冲器和至少一个数据消息缓冲器。

公开(公告)号：US20160080495A1

公开(公告)日：2016-03-17

申请号：US14854911

申请日：2015-09-15

Applicant: Foundation for Research and Technology - Hellas (FORTH)

Inventor： Angelos Bilas ,  Markos Fountoulakis ,  Spyros Papageorgiou ,  Tryfon Farmakakis

IPC: H04L29/08 ,  H04L12/26

CPC classification number: H04L67/1097 ,  G06F3/0604 ,  G06F3/0643 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/067 ,  H04L43/0817 ,  H04L43/10 ,  H04L67/1002

Abstract: A storage system for organizing and maintaining metadata in a distributed network. The system includes: a network; a plurality of distributed nodes configured to communicate through the network; a plurality of block devices configured to communicate with the plurality of distributed nodes through the network; and a management server configured to communicate with each of the plurality of distributed nodes and block devices and further configured to arbitrarily associate metadata and data to any of the plurality of distributed nodes such that a global copy of the metadata does not exist in one or more fixed locations known to all distributed nodes.

Abstract translation: 用于在分布式网络中组织和维护元数据的存储系统。 该系统包括：网络; 被配置为通过所述网络进行通信的多个分布式节点; 配置成通过所述网络与所述多个分布式节点进行通信的多个块装置; 以及管理服务器，被配置为与所述多个分布式节点和块设备中的每一个进行通信，并且还被配置为将所述多个分布式节点中的任何一个的元数据和数据任意地相关联，使得所述元数据的全局副本不存在于一个或多个 所有分布式节点都已知的固定位置。

公开(公告)号：US20150156578A1

公开(公告)日：2015-06-04

申请号：US14556038

申请日：2014-11-28

Applicant: Foundation for Research and Technology - Hellas (F.O.R.T.H) Institute of Computer Science (I.C.S.)

Inventor： Anastasios Alexandridis ,  Anthony Griffin ,  Athanasios Mouchtaris

IPC: H04R1/08

CPC classification number: H04R3/005 ,  H04R2420/07 ,  H04R2430/03 ,  H04S2420/01

Abstract: A processor-implemented method for spatial sound localization and isolation is described. The method includes segmenting, via a processor, each of a plurality of source signals detected by a plurality of sensors, into a plurality of time frames. For each time frame, the method further includes obtaining, via a processor, a plurality of direction of arrival (DOA) estimates from the plurality of sensors, discretizing an area of interest into a plurality of grid points, calculating, via the processor, DOA at each of grid points, comparing, via the processor, the DOA estimates with the computed DOAs. If the number of sources is more than 1, the method includes obtaining via the processor, a plurality of combinations of DOA estimates, from amongst the plurality of combinations, estimating, via the processor, one or more initial candidate locations corresponding to each of the combinations, selecting location of the sources from amongst the initial candidate locations.

Abstract translation: 描述了用于空间声音定位和隔离的处理器实现的方法。 该方法包括通过处理器将由多个传感器检测的多个源信号中的每一个分割成多个时间帧。 对于每个时间帧，所述方法还包括经由处理器获得来自所述多个传感器的多个到达方向估计（DOA），将感兴趣的区域离散成多个网格点，经由所述处理器计算DOA 在每个网格点处，通过处理器将DOA估计与计算的DOA进行比较。 如果源的数量大于1，则该方法包括经由处理器从多个组合中获得多个DOA估计的组合，经由处理器估计与每个的相应的一个或多个初始候选位置 组合，从初始候选位置中选择源的位置。