Abstract: Technology related to an activity feed service is disclosed. In one example of the disclosed technology, a method can include receiving updates to activity streams, where a respective activity stream indicates an engagement of a respective user with applications executing on a respective client device connected to a network. The different activity streams associated with a particular user can be merged to generate a merged activity stream associated with the particular user. The different received activity streams can correspond to different respective client devices. The merged activity stream associated with the particular user can be transmitted over the network.

Abstract: Innovations in phase quantization during speech encoding and phase reconstruction during speech decoding are described. For example, to encode a set of phase values, a speech encoder omits higher-frequency phase values and/or represents at least some of the phase values as a weighted sum of basis functions. Or, as another example, to decode a set of phase values, a speech decoder reconstructs at least some of the phase values using a weighted sum of basis functions and/or reconstructs lower-frequency phase values then uses at least some of the lower-frequency phase values to synthesize higher-frequency phase values. In many cases, the innovations improve the performance of a speech codec in low bitrate scenarios, even when encoded data is delivered over a network that suffers from insufficient bandwidth or transmission quality problems.

Abstract: Innovations in phase quantization during speech encoding and phase reconstruction during speech decoding are described. For example, to encode a set of phase values, a speech encoder omits higher-frequency phase values and/or represents at least some of the phase values as a weighted sum of basis functions. Or, as another example, to decode a set of phase values, a speech decoder reconstructs at least some of the phase values using a weighted sum of basis functions and/or reconstructs lower-frequency phase values then uses at least some of the lower-frequency phase values to synthesize higher-frequency phase values. In many cases, the innovations improve the performance of a speech codec in low bitrate scenarios, even when encoded data is delivered over a network that suffers from insufficient bandwidth or transmission quality problems.

Abstract: Techniques are described for determining corrected timestamps for streaming data that is encoded using frames with a variable frame size. The streaming data is encoded into frames and transmitted in network packets in which the network packets or frames are associated with timestamps incremented in fixed steps. When a network packet is received after a lost packet, a corrected timestamp range can be calculated for the received packet based at least in part on the received timestamp value and attributes of the received network packet along with buffering characteristics.

Abstract: Disclosed in some examples, are methods, systems, and machine-readable mediums for preventing unintended activation of voice command processing of a voice activated device. A first audio signal may be an audio signal that is to be output to a speaker communicatively coupled to the computing device. A second audio signal may be input from a microphone or other audio capture device. Both audio signals are input to a keyword detector to check for the presence of activation keywords. If the activation keyword(s) are detected in the second audio signal but not the first audio signal the voice command processing of the device is activated as this is likely a command from the user and not feedback from the loudspeaker.

Abstract: A process for detecting reductant deposits includes accessing data indicative of signal output from a radiofrequency sensor positioned proximate a decomposition reactor tube; comparing the data indicative of signal output from the radiofrequency sensor to a deposit formation threshold; and activating a deposit mitigation process responsive to the data indicative of signal output from the radiofrequency sensor exceeding the deposit formation threshold.

Abstract: Disclosed are systems and methods for scaling Massively Scalable Data Center (MSDC) networks with a large number of end-point tunnels utilizing Equal-cost multi-path routing (ECMP). The systems and methods can use the NO-OP label operations to maintain single ECMP objects to switch a set of segment routing tunnels that share the same ECMP links. The forwarding engine can determine the use of the NO-OP label operation and update a received packet to enable the use of the single ECMP objects of the set of segment routing tunnels.

Abstract: Network communication speech handling systems are provided herein. In one example, a method of processing audio signals by a network communications handling node is provided. The method includes processing an audio signal to determine a pitch cycle property associated with the audio signal, determining transfer times for encoded segments of the audio signal based at least in part on the pitch cycle property, and transferring packets comprising one or more encoded segments for delivery to a target node in accordance with the transfer time.

Abstract: An asymmetric electronic substrate and method of making the substrate includes forming a first layer on each opposing major surface of a removable carrier layer, the first layer being a routing layer, simultaneously laminating the first layers, and building up subsequent layers on layers previously formed and laminated on the removable carrier layer iteratively. The subsequent layers including routing layers and a core layer formed on each side of the removable carrier layer, the core layer including through holes having a larger gauge than through holes included in the routing layers. A number of layers on a first side of the core layer, between the core layer and the carrier layer, is different than a number of layers on a second side of the core layer. The carrier layer is removed to produce two asymmetric substrates, each asymmetric substrate including one of the at least one core layers.

Abstract: Integrated circuit (IC) chip die to die channel interconnect configurations (systems and methods for their manufacture) may improve signaling to and through a single ended bus data signal communication channel by including on-die induction structures; on-die interconnect features; on-package first level die bump designs and ground webbing structures; on-package high speed horizontal data signal transmission lines; on-package vertical data signal transmission interconnects; and/or on-package electro-optical (EO) connectors in various die to die interconnect configurations for improved signal connections and transmission through a data signal channel extending through one or more semiconductor device package devices, that may include an electro-optical (EO) connector upon which at least one package device may be mounted, and/or be semiconductor device packages in a package-on-package configuration.

Abstract: Methods and systems for query resolution through graphical user interfaces are disclosed. In one aspect, a system is disclosed that includes a processor and data storage including instructions that, when executed by the processor, cause the system to perform operations. The operations include receiving a query requesting resolution of inconsistent data; based on the query, creating an instance in a queue, where the instance identifies a priority and a task for the query; based on the priority, selecting the query from the queue and initiating resolution of the inconsistent data by generating a graphical user interface to accomplish the task; while accomplishing the task, generating each of (i) a documentation documenting the inconsistent data and the task and (ii) a resolution resolving the inconsistent data; storing the documentation; and publishing the resolution.

Abstract: An electromagnetic coupler includes a first transmission line connecting an input port to an output port and a second transmission line adjacent the first transmission line and connecting a coupled port to an isolation port. The electromagnetic coupler provides a coupled signal at the coupled port, which is representative of an input signal at the input port. The amplitude of the coupled signal is related to the amplitude of the input signal by a coupling factor. A tuning element is electromagnetically coupled to at least one of the first and second transmission lines. An adjustable impedance is coupled between the tuning element and a reference node. Varying resistive impedance components causes an adjustment to the coupling factor and reactive impedance components provide frequency filtering effects.

Abstract: An aftertreatment system comprises a SCR system including at least one catalyst. A NOx sensor is positioned downstream of the SCR system. A controller is configured to determine an estimated engine NOx amount in the exhaust gas produced by an engine fluidly coupled to the aftertreatment system. The controller interprets an output value indicative of a first amount of oxygen in the exhaust gas downstream of the SCR system. The controller determines an adjusted engine NOx amount in response to the output value. A NOx sensor is positioned downstream of the selective catalytic reduction system and communicatively coupled to the controller. The NOx sensor is structured to provide the output value.

Abstract: An electronic device may include a circuit board, and the circuit board may include a dielectric material. A socket may be coupled to a first side of the circuit board, and the socket may be configured to receive a semiconductor package. A backing plate may be positioned on a second side of the circuit board. A spacer may be positioned between the backing plate and the circuit board. The spacer may alter the profile of the socket to provide a curved profile to the socket. The spacer may displace a portion of the socket in a first direction, for instance when the spacer is coupled between the backing plate and the circuit board.

Abstract: A sensor such as a presence sensor for use in a lighting system or other system that adapts to information from a plurality of active presence sensors. If transmissions from the active sensors are uncoordinated, the overall detection performance may be adversely impacted (e.g. due to potential cross-interference), which may make sensing over the detection coverage area defined by a single presence sensor (or the like) become unreliable. The disclosure presents protocols for coordinating transmissions in active sensing systems. The invention may be applied to various active modalities (e.g. ultrasound, RF), for example that find applications in indoor and outdoor lighting controls.

Abstract: A system structured to measure at least one of particulate matter or ammonia in an exhaust aftertreatment system. The system includes a selective catalytic reduction catalyst, a doser disposed upstream of the selective catalytic reduction catalyst, a particulate filter, and a radio frequency sensor communicatively coupled to the diesel particulate filter. The radio frequency sensor is structured to measure at least one of particulate matter or ammonia.

Abstract: Various embodiments of the present technology generally relate to systems and methods for packet-based communications. More specifically, some embodiments provide cause a machine (e.g., client device, data center, collaboration service, etc.) to receive data packets from a network. The data packets can include payloads that represent encoded data from a real-time communication between multiple devices and can be copied into multiple jitter buffers. The multiple jitter buffers can include a first jitter buffer having a first size and a second jitter buffer having a second size that is larger than the first size of the first jitter buffer. In some embodiments, the machine can decode the data packets or payloads from the multiple jitter buffers to create at least a first output signal from first jitter buffer and a second output signal from the second jitter buffer.

Abstract: An audio stream is encoded for transmission to a receiving device via a communications channel. The to-be transmitted audio stream is received at an audio encoder executed on a processor. The processor has an amount of available processing resources. An available bandwidth of the communications channel is determined. Based on the determined bandwidth, a portion of the available processing resources is allocated to the audio encoder. The allocated portion is greater if the determined bandwidth is below a bandwidth threshold. The audio encoder encodes the audio stream using the allocated portion of processing resources, and transmits the encoded audio stream to the receiving device via the communications channel.

Abstract: Disclosed are systems and methods for scaling Massively Scalable Data Center (MSDC) networks with a large number of end-point tunnels utilizing Equal-cost multi-path routing (ECMP). The systems and methods can use the NO-OP label operations to maintain single ECMP objects to switch a set of segment routing tunnels that share the same ECMP links. The forwarding engine can determine the use of the NO-OP label operation and update a received packet to enable the use of the single ECMP objects of the set of segment routing tunnels.

Abstract: An audio stream is encoded for transmission to a receiving device via a communications channel. The to-be transmitted audio stream is received at an audio encoder executed on a processor. The processor has an amount of available processing resources. An available bandwidth of the communications channel is determined. Based on the determined bandwidth, a portion of the available processing resources is allocated to the audio encoder. The allocated portion is greater if the determined bandwidth is below a bandwidth threshold. The audio encoder encodes the audio stream using the allocated portion of processing resources, and transmits the encoded audio stream to the receiving device via the communications channel.