Abstract: An apparatus for providing a processed audio signal representation on the basis of input audio signal representation configured to apply an un-windowing, in order to provide the processed audio signal representation on the basis of the input audio signal representation. The apparatus is configured to adapt the un-windowing in dependence on one or more signal characteristics and/or in dependence on one or more processing parameters used for a provision of the input audio signal representation.

Abstract: There are disclosed several examples of encoding and decoding technique. In particular, an audio synthesizer for generating a synthesis signal from a downmix signal includes: an input interface for receiving the downmix signal, the downmix signal having a number of downmix channels and side information, the side information including channel level and correlation information of an original signal, the original signal having a number of original channels; and a synthesis processor for generating, according to at least one mixing rule, the synthesis signal using: channel level and correlation information of the original signal; and covariance information associated with the downmix signal.

Abstract: There are disclosed techniques for generating an audio signal and training an audio generator. An audio decoder generates an audio signal from a bitstream and comprises: a first data provisioner to provide first data having multiple channels; a first processing block to output first output data having multiple channels, and a second processing block. The first processing block comprises: a learnable layer to receive the bitstream and, for the given frame, output target data representing the audio signal in the given frame with multiple channels and multiple samples for the given frame; a conditioning learnable layer to process the target data to obtain conditioning feature parameters for the given frame; and a styling element applying the conditioning feature parameters to the first data. The second processing block combines the channels of the second data to obtain the audio signal.

Abstract: An apparatus for providing a processed audio signal representation on the basis of input audio signal representation configured to apply an un-windowing, in order to provide the processed audio signal representation on the basis of the input audio signal representation. The apparatus is configured to adapt the un-windowing in dependence on one or more signal characteristics and/or in dependence on one or more processing parameters used for a provision of the input audio signal representation.

Abstract: An audio encoder for encoding segments of coefficients, the segments of coefficients representing different time or frequency resolutions of a sampled audio signal, the audio encoder including a processor for deriving a coding context for a currently encoded coefficient of a current segment based on a previously encoded coefficient of a previous segment, the previously encoded coefficient representing a different time or frequency resolution than the currently encoded coefficient. The audio encoder further includes an entropy encoder for entropy encoding the current coefficient based on the coding context to obtain an encoded audio stream.

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: 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: An apparatus for generating a sound field description using an input signal having a mono-signal or a multi-channel signal comprises: an input signal analyzer for analyzing the input signal to derive direction data and diffuseness data; a low-order components generator for generating a low-order sound field description from the input signal up to a predetermined order and mode; a mid-order components generator for generating a mid-order sound field description above the predetermined order or at the predetermined order and above the predetermined mode and below or at a first truncation order using a synthesis of at least one direct portion and of at least one diffuse portion using the direction data and the diffuseness data; and a high-order components generator for generating a high-order sound field description having a component above the first truncation order using a synthesis of at least one direct portion.

Abstract: A collecting bag is for receiving material to be collected and has a receiving space delimited by a woven-fabric cloth and is delimited by outer edges of the collecting bag. The woven-fabric cloth of the collecting bag is at least partially air-permeable. The receiving space has an inlet opening for a conveying airflow which supplies the material to be collected, and an outlet opening for at least partially discharging the conveying airflow into the environment. The inlet opening is provided on a first edge of the collecting bag, and the emptying opening is provided on a second edge. The first and second edges are opposite one another at a spacing and are interconnected via longitudinal edges of the collecting bag. The outlet opening for at least partially discharging the conveying airflow is disposed in a side wall of the collecting bag, between the emptying opening and the inlet opening.

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 audio decoder for providing a decoded audio information on the basis of an encoded audio information includes a linear-prediction-domain decoder configured to provide a first decoded audio information on the basis of an audio frame encoded in a linear prediction domain, a frequency domain decoder configured to provide a second decoded audio information on the basis of an audio frame encoded in a frequency domain, and a transition processor. The transition processor is configured to obtain a zero-input-response of a linear predictive filtering, wherein an initial state of the linear predictive filtering is defined depending on the first decoded audio information and the second decoded audio information, and modify the second decoded audio information depending on the zero-input-response, to obtain a smooth transition between the first and the modified second decoded audio information.

Abstract: An apparatus for encoding a first channel and a second channel of an audio input signal including two or more channels to obtain an encoded audio signal according to an embodiment includes a normalizer configured to determine a normalization value for the audio input signal depending on the first channel of the audio input signal and depending on the second channel of the audio input signal. Moreover, the apparatus includes an encoding unit configured to generate a processed audio signal having a first channel and a second channel. The encoding unit is configured to encode the processed audio signal to obtain the encoded audio signal.

Abstract: An audio encoder for encoding an audio signal includes: a first encoding processor for encoding a first audio signal portion in a frequency domain, wherein the first encoding processor includes: a time frequency converter for converting the first audio signal portion into a frequency domain representation having spectral lines up to a maximum frequency of the first audio signal portion; a spectral encoder for encoding the frequency domain representation; a second encoding processor for encoding a second different audio signal portion in the time domain; a cross-processor for calculating, from the encoded spectral representation of the first audio signal portion, initialization data of the second encoding processor, so that the second encoding processing is initialized to encode the second audio signal portion immediately following the first audio signal portion in time in the audio signal; a controller configured for analyzing the audio signal and for determining, which portion of the audio signal is the firs

Abstract: A refrigerated sales furniture (2) comprises a base (4) provided at the bottom of the refrigerated sales furniture (2); a goods presentation space (10) comprising a front portion allowing access to the goods presentation space (10) and an opposing rear portion; wherein the goods presentation space (10) includes a bottom area (12) located next to the base (4); and a cold air channel (48) located next to the rear portion of the goods presentation space (10) comprising a lower portion (54) arranged next to the bottom area (12) of the goods presentation space (10) and having an opening (18) fluidly connecting the cold air channel (48) with the bottom area (12) of the goods presentation space (10) for allowing cold air to flow from the lower portion (54) of the cold air channel (48) into the bottom area (12) of the goods presentation space (10). The opening (18) is provided as a single opening (18) extending substantially over the whole height and width of the bottom area (12), respectively.

Abstract: A refrigerated sales furniture (2) comprises a base (4) provided at the bottom of the refrigerated sales furniture (2); a goods presentation space (10) comprising a front portion allowing access to the goods presentation space (10) and an opposing rear portion; wherein the goods presentation space (10) includes a bottom area (12) located next to the base (4); and a cold air channel (48) located next to the rear portion of the goods presentation space (10) comprising a lower portion (54) arranged next to the bottom area (12) of the goods presentation space (10) and having an opening (18) fluidly connecting the cold air channel (48) with the bottom area (12) of the goods presentation space (10) for allowing cold air to flow from the lower portion (54) of the cold air channel (48) into the bottom area (12) of the goods presentation space (10). The opening (18) is provided as a single opening (18) extending substantially over the whole height and width of the bottom area (12), respectively.

Abstract: The invention relates to an infrared receiver circuit for receiving a carrier-modulated infrared signal that comprises a carrier signal and a wanted signal modulated onto the carrier signal, having a band pass filter that exhibits a frequency adjustment connection via which the band center frequency of the band pass filter can be adjusted, furthermore having a demodulator for recovering the wanted signal and having a signal output to which the demodulated wanted signal can be output. The infrared receiver circuit exhibits a signal input that is at least indirectly connected to the frequency adjustment connection of the band pass filter so that the band center frequency of the band pass filter can be adjusted by a clock signal of an external clock pulse generator.

Abstract: The invention relates to an infrared receiver circuit for processing a carrier-modulated infrared signal, comprising an amplification circuit and a demodulator. A comparator is provided, which is designed to digitize the output signal of the amplification circuit or of a band pass filter connected downstream of the amplification circuit by comparison to a threshold value in order to create a pulse train signal. The receiver circuit comprises a logic circuit, which is designed to link the pulse train signal of the comparator and the output signal of the demodulator logically to each other in order to extract an additional output signal corresponding to the infrared signal from the pulse train signal.

Abstract: The invention relates to an infrared receiver circuit for receiving a carrier-modulated infrared signal that comprises a carrier signal and a wanted signal modulated onto the carrier signal, having a band pass filter that exhibits a frequency adjustment connection via which the band center frequency of the band pass filter can be adjusted, furthermore having a demodulator for recovering the wanted signal and having a signal output to which the demodulated wanted signal can be output. The infrared receiver circuit exhibits a signal input that is at least indirectly connected to the frequency adjustment connection of the band pass filter so that the band center frequency of the band pass filter can be adjusted by a clock signal of an external clock pulse generator.

Abstract: A system and method for supplying voltage to electrical loads in the onboard electrical system of a motor vehicle are provided. The onboard electrical system consists of at least two onboard electrical system regions. The first onboard electrical system region has an electric generator, a vehicle battery, as well as one or more first electrical loads. The second onboard electrical system region has a double-layer capacitor or a so-called supercap and one or more second electrical loads. Between the two onboard electrical system regions, a blocking device is provided, in particular, a semiconductor diode or a power switch, which permits a current flow from the first onboard electrical system region into the second electrical system region and largely prevents a reverse current flow from the second onboard electrical system region into the first onboard electrical system region.

Abstract: The invention relates to an infrared receiver circuit for processing a carrier-modulated infrared signal, comprising an amplification circuit and a demodulator. A comparator is provided, which is designed to digitize the output signal of the amplification circuit or of a band pass filter connected downstream of the amplification circuit by comparison to a threshold value in order to create a pulse train signal. The receiver circuit comprises a logic circuit, which is designed to link the pulse train signal of the comparator and the output signal of the demodulator logically to each other in order to extract an additional output signal corresponding to the infrared signal from the pulse train signal.