Abstract: An apparatus for downmixing three or more audio input channels to obtain two or more audio output channels is provided. The apparatus includes a receiving interface for receiving the three or more audio input channels and for receiving side information. Moreover, the apparatus includes a downmixer for downmixing the three or more audio input channels depending on the side information to obtain the two or more audio output channels. The number of the audio output channels is smaller than the number of the audio input channels. The side information indicates a characteristic of at least one of the three or more audio input channels, or a characteristic of one or more sound waves recorded within the one or more audio input channels, or a characteristic of one or more sound sources which emitted one or more sound waves recorded within the one or more audio input channels.

Abstract: The invention relates to a device and a method for producing components comprising a mould building device (1) for producing lost casting moulds, and a casting device (2) connected to the mould building device for casting components in the lost casting moulds, characterised in that the mould building device is suitable for the continuous layering of moulding plates (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23), wherein a respective at least three of said moulding plates form a casting mould.

Abstract: An audio encoder for encoding an audio signal has: a first encoding processor for encoding a first audio signal portion in a frequency domain, having: a time frequency converter for converting the first audio signal portion into a frequency domain representation; an analyzer for analyzing the frequency domain representation to determine first spectral portions to be encoded with a first spectral resolution and second regions to be encoded with a second resolution; and a spectral encoder for encoding the first spectral portions with the first spectral resolution and encoding the second portions with the second resolution; a second encoding processor for encoding a second different audio signal portion in the time domain; a controller for analyzing and determining, which portion of the audio signal is the first audio signal portion encoded in the frequency domain and which portion is the second audio signal portion encoded in the time domain; and an encoded signal former for forming an encoded audio signal havi

Abstract: An encoder for providing an audio stream on the basis of a transform-domain representation of an input audio signal includes a quantization error calculator configured to determine a multi-band quantization error over a plurality of frequency bands of the input audio signal for which separate band gain information is available. The encoder also includes an audio stream provider for providing the audio stream such that the audio stream includes information describing an audio content of the frequency bands and information describing the multi-band quantization error. A decoder for providing a decoded representation of an audio signal on the basis of an encoded audio stream representing spectral components of frequency bands of the audio signal includes a noise filler for introducing noise into spectral components of a plurality of frequency bands to which separate frequency band gain information is associated on the basis of a common multi-band noise intensity value.

Abstract: A wireless communication system includes one or more base stations and one or more user devices, UEs, for a communication with a base station and/or another UE using allocated resources. In case the UE gets out of coverage of a serving base station, at least some of the allocated resources of the serving cell are maintained or reserved for a predefined time interval, T.

Abstract: An audio decoder decodes a bit stream of encoded audio data, which bit stream represents a sequence of audio sample values and includes a plurality of frames, wherein each frame includes associated encoded audio sample values. The audio decoder includes a determiner configured to determine whether a frame of the encoded audio data is a special frame including encoded audio sample values associated with the special frame and additional information, wherein the additional information include encoded audio sample values of a number of frames preceding the special frame, wherein the encoded audio sample values of the preceding frames are encoded using the same codec configuration as the special frame, wherein the number of preceding frames is sufficient to initialize the decoder to be in a position to decode the audio sample values associated with the special frame if the special frame is the first frame upon start-up of the decoder.

Abstract: A system is provided which includes at least two production units, which interact in a production process, and a verification module. Each production unit of the at least two production units includes a service module and is configured to transmit first information about one or more features of the production unit to the verification module. The verification module is configured to transmit, to at least one of the at least two production units, second information designating whether the at least two production units exhibit an admissible configuration or whether the at least two production units exhibit no admissible configuration.

Abstract: An encoder for providing an audio stream on the basis of a transform- domain representation of an input audio signal includes a quantization error calculator configured to determine a multi-band quantization error over a plurality of frequency bands of the input audio signal for which separate band gain information is available. The encoder also includes an audio stream provider for providing the audio stream such that the audio stream includes information describing an audio content of the frequency bands and information describing the multi-band quantization error. A decoder for providing a decoded representation of an audio signal on the basis of an encoded audio stream representing spectral components of frequency bands of the audio signal includes a noise filler for introducing noise into spectral components of a plurality of frequency bands to which separate frequency band gain information is associated on the basis of a common multi-band noise intensity value.

Abstract: Embodiments of the present invention provide a participant of a communication system, wherein the communication system communicates wirelessly in a frequency used by a plurality of communication systems, wherein the participant is configured to transmit data uncoordinatedly with respect to other participants and/or a base station of the communication system, wherein the participant is configured to receive, temporally synchronized to a transmitted uplink data transfer to the base station of the communication system, a downlink data transfer from the base station, wherein the downlink data transfer includes signaling information, wherein the participant is configured to receive a point-to-multipoint data transfer from the base station on the basis of the signaling information.

Abstract: An audio transmitter processor for generating an error protected frame using encoded audio data of an audio frame, the encoded audio data for the audio frame having a first amount of information units and a second amount of information units, has: a frame builder for building a codeword frame having a codeword raster, wherein the frame builder is configured to determine a border between a first amount of information units and a second amount of information units so that a starting information unit of the second amount of information units coincides with a codeword border; and an error protection coder to obtain a plurality of processed codewords representing the error protected frame.

Abstract: File format concepts for video coding are described. Embodiments allow for an efficient extraction of sub-streams from a video file. Further embodiments allow for a flexible switching between sub-streams of a video file. Further embodiments allow for a flexible handling of decoder initializations.

Abstract: A device is provided for processing hard-to-access workpieces by means of an imaging optical path as well as a corresponding method for laser processing by means of this device, comprising a relay optical system with an optical axis passing through the relay optical system and a focusing unit arranged behind the same seen in the optical axis in the propagation direction of the imaging optical path, with a plurality of optical elements for generating a third focal length, as well as a beam scanner arranged before the first relay optical group seen in the propagation direction of the imaging optical path, which scanner is provided both as an entrance pupil for the imaging optical path entering the first relay optical group and at least for deflecting the imaging optical path in relation to the optical axis.

Abstract: An audio decoder for providing a decoded audio information includes a arithmetic decoder for providing a plurality of decoded spectral values on the basis of an arithmetically-encoded representation of the spectral values and a frequency-domain-to-time-domain converter for providing a time-domain audio representation using the decoded spectral values. The arithmetic decoder is configured to select a mapping rule describing a mapping of a code value onto a symbol code in dependence on a context state. The arithmetic decoder is configured to determine or modify the current context state in dependence on a plurality of previously-decoded spectral values. The arithmetic decoder is configured to detect a group of a plurality of previously-decoded spectral values, which fulfill, individually or taken together, a predetermined condition regarding their magnitudes, and to determine the current context state in dependence on a result of the detection. An audio encoder uses similar principles.

Abstract: The present disclosure relates methods and apparatuses (UE, scheduler, network node) for resource allocation in a network. According to embodiments herein there are provided a new resource allocation scheme for an UL-TDOA resource allocation scheme and the related UL-PRS signals. The procedure is also applicable for RTT uplink resource allocation. The main technical effects and advantages achieved by the embodiments herein include: A resource allocation concept offering a high flexibility. The positioning update rate is configurable for each UE allowing that for semi static objects a low update rate is selected whereas for moving devices a high update rate is feasible. The signalisation overhead is minimized. The UEs may be configured semi-persistent. Using different transmit periods for each UE results in random SINR (Signal to Interference Noise Ratio) values and ensures that UEs with high pathloss are also detected.

Abstract: A renderer according to an embodiment is provided. The renderer is configured for rendering a virtual audio scene depending on one or more audio channels of each sound source of one or more sound sources emitting sound into the virtual audio scene, wherein, to process the one or more audio channels of said sound source. The renderer includes a late reverberation module configured for generating one or more late reverberation channels depending on the one or more audio channels of the sound source, wherein the one or more late reverberation channels represent a late-reverberation part of the sound emitted into the virtual audio scene by the sound source. Moreover, the renderer includes a sound scene generator for generating, using the one or more late-reverberation channels, one or more audio output channels for reproducing the virtual audio scene.

Abstract: An apparatus for rendering a virtual audio scene according to an embodiment is provided. One or more sound sources are emitting sound in the virtual audio scene. The apparatus has an input interface configured for receiving audio information, wherein the audio information has audio information for the virtual audio scene. Moreover, the apparatus has a renderer configured for generating, depending on the audio information for the virtual audio scene, one or more audio output channels for reproducing the virtual audio scene. If information on a current acoustic environment of the virtual audio scene is not available for the renderer, the renderer is configured to generate the one or more audio output channels for reproducing the virtual audio scene depending on information on a default acoustic environment.

Abstract: Embodiments according to the disclosure have a renderer for rendering, e.g. spatially rendering, an acoustic scene, wherein the renderer is configured to render, e.g. to reproduce, an acoustic impact of a diffuse sound (e.g. of a reverberation; e.g. of a late reverberation), which originates in a first spatial region (e.g. in a first Acoustically Homogenous Space, AHS; e.g. in a first room), in a second spatial region (e.g. in a second Acoustically Homogenous Space; e.g. in a second room; e.g. in a spatial region outside the first spatial region), using a spatially extended sound source, e.g. a SESS, e.g. as a spatially extended sound source, e.g. a spatially extended sound source which reproduces the diffuse sound, e.g. using a homogenous extended sound source algorithm, and also encoders, methods and bitstreams.

Abstract: The invention relates to a method of producing a plate arrangement comprising two plates (1, 2) which, at least in sections, have an intermediate space (4) located between them and a constant distance (d) to one another and/or are arranged parallel to one another and between which a fusible solder material (3, 3?) is arranged. The task of setting a defined distance between the plates as accurately as possible is solved according to the invention by creating a pressure difference between the intermediate space (4) between the plates and the outer space surrounding the plates in such a way that the pressure in the outer space is higher than in the intermediate space (4) and that the temperature of the solder material (3, 3?) is at least temporarily raised above its melting temperature during the existence of the pressure difference.

Abstract: A device may be provided for element analysis of materials by means of optical emission spectroscopy, particularly by means of laser-induced plasma spectroscopy, said device having: means for exciting a plasma from a partial quantity of a test sample made of the material to be analyzed; means for detecting and for spectral analysis of optical radiation emitted from the plasma; beam guidance means for guiding at least a part of the optical radiation emitted from the plasma to the means for detecting and spectral analysis; and means for flushing at least one partial region of the device with an inert gas, wherein the beam guidance means are at least one capillary tube, which additionally serves to guide the inert gas. A method may be provided for element analysis of materials by means of optical emission spectroscopy using the device.

Abstract: The invention relates to a charging contact unit for a vehicle, for integrating beneath a road surface, with a charging contact element carrier head designed to interact with a contact device on the lower side of a vehicle, the contact making and the contact separation being carried out by a relative movement of the charging contact element carrier head and the contact device in a contacting direction, the charging contact element carrier head being movable inside the charging contact unit and/or rotatable or pivotable about the contacting direction in order to compare incorrect positioning in either one or a plurality of directions extending transversely to the contacting direction. The invention also relates to a contact system and a road covering.