Patent application number | Description | Published |
20130005637 | PERFORMANCE-ENHANCED PROTEASE VARIANT - Proteases encompassing an amino acid sequence that is at least 70% identical to the amino acid sequence indicated in SEQ ID NO. 1 over its entire length, and exhibit the amino acid substitution I21V in the count in accordance with SEQ ID NO. 1, resp. agents that encompass such proteases, display very good cleaning performance on protease-sensitive stains. | 01-03-2013 |
20130137623 | STABILIZED LIQUID TENSIDE PREPARATION COMPRISING ENZYMES - A hydrolytic enzyme is to be stabilized in a liquid surfactant preparation. This is achieved by using a component that stabilizes the hydrolytic enzyme and encompasses a multiply substituted benzenecarboxylic acid that has a carboxyl group on at least two carbon atoms of the benzene residue. | 05-30-2013 |
20130142771 | STABILIZED LIQUID TENSIDE PREPARATION COMPRISING ENZYMES - A hydrolytic enzyme is stabilized in a liquid surfactant preparation using a component that stabilizes the hydrolytic enzyme and encompasses an oligoaminobiphenyl oligocarboxylic acid. | 06-06-2013 |
20130142772 | STABILIZED LIQUID TENSIDE PREPARATION COMPRISING ENZYMES - A hydrolytic enzyme is stabilized in a liquid surfactant preparation using a component that stabilizes the hydrolytic enzyme and includes a phenylalkyldicarboxylic acid. | 06-06-2013 |
20130143297 | STABILIZED LIQUID TENSIDE PREPARATION COMPRISING ENZYMES - A hydrolytic enzyme is to be stabilized in a liquid surfactant preparation. This is achieved by using a component that stabilizes the hydrolytic enzyme and encompasses an aminophthalic acid. | 06-06-2013 |
20130143298 | STABILIZED LIQUID TENSIDE PREPARATION COMPRISING ENZYMES - A hydrolytic enzyme is to be stabilized in a liquid surfactant preparation. This is achieved by using a component that stabilizes the hydrolytic enzyme and encompasses a phthaloylglutamic acid and/or a phthaloylaspartic acid. | 06-06-2013 |
20130143787 | STABILIZED LIQUID ENZYME-CONTAINING SURFACTANT PREPARATION - A hydrolytic enzyme is stabilized in a liquid surfactant preparation by using a component that stabilizes the hydrolytic enzyme and includes a monosaccharide glycerate. | 06-06-2013 |
20130266552 | LIQUID SURFACTANT PREPARATION CONTAINING LIPASE AND PHOSPHONATE - A liquid surfactant preparation comprises a phosphonate and has an advantageous lipolytic activity. This is achieved by using a lipase that is naturally present in a microorganism, the microorganism being | 10-10-2013 |
20130280794 | STORAGE-STABLE LIQUID WASHING OR CLEANING AGENT CONTAINING PROTEASE AND CELLULASE - According to the invention, storage stability in terms of cellulolytic activity is to be improved in a liquid washing or cleaning agent which comprises a protease and cellulase. This is achieved by the use of a protease which comprises an amino acid sequence which is at least 80% identical to the amino acid sequence specified in SEQ ID NO. 1 and which has the amino acid glutamic acid (E) or aspartic acid (D) or the amino acid asparagine (N) or glutamine (Q) or the amino acid alanine (A) or glycine (G) or serine (S) at position 99 in the count according to SEQ ID NO. 1. | 10-24-2013 |
20140017763 | PERFORMANCE-ENHANCED PROTEASE VARIANTS - Proteases encompassing an amino acid sequence, which are at least 70% identical to the amino acid sequence specified in SEQ ID NO. 1 over the entire length thereof and which, in the listing according to SEQ ID NO. 1, have the amino acid substitution I21V in combination with at least one further amino acid substitution, the further amino acid substitution being selected from the group consisting of Q12L, M122L, N177V, A222S, V228I and T247N, and agents encompassing such proteases, exhibit very good cleaning performance on egg-containing stains. | 01-16-2014 |
20140018282 | STORAGE-STABLE LIQUID WASHING OR CLEANING AGENT CONTAINING PROTEASE AND AMYLASE - According to the invention, storage stability in terms of amylolytic activity is to be improved in a liquid washing or cleaning agent which comprises a protease and amylase. This is achieved by the use of a protease which comprises an amino acid sequence which is at least 80% identical to the amino acid sequence specified in SEQ ID NO. 1 and which has the amino acid glutamic acid (E) or aspartic acid (D) or the amino acid asparagine (N) or glutamine (Q) or the amino acid alanine (A) or glycine (G) or serine (S) at position 99 in the count according to SEQ ID NO. 1. | 01-16-2014 |
20140038878 | DETERGENTS OR CLEANING AGENTS HAVING A SOLID ENZYME FORMULATION - In a washing or cleaning agent that contains a solid enzyme formulation, the intention is to improve shelf stability in terms of enzymatic activity. This is achieved by a washing or cleaning agent comprising an enzyme granulate, the granulate comprising, besides the enzyme, the following components: (a) 68 to 90 wt % (w/w) sulfate, in particular alkali metal sulfate, particularly preferably sodium sulfate, (b) 0.1 to 10.5 wt % (w/w) polyethylene glycol, (c) 0.5 to 14.5 wt % (w/w) granulation adjuvant. | 02-06-2014 |
20140106439 | DISHWASHING LIQUID HAVING BLEACHING CATALYST AND PROTEASE - In a dishwashing liquid, the cleaning performance, in particular on bleachable stains such as, for example, tea stains, is to be improved. This succeeds using a dishwashing liquid which comprises a hydrogen peroxide source, a bleaching catalyst and a protease that, in native electrophoresis on a polyacrylamide gel, has a migration distance that is longer than the migration distance of the protease as per SEQ ID NO. 1. | 04-17-2014 |
20140186868 | METHOD FOR ADAPTING A HYDROLYTIC ENZYME TO A COMPONENT THAT STABILIZES THE HYDROLYTIC ENZYME - The stabilization of a hydrolytic enzyme in a liquid preparation is to be improved through a component that stabilizes the hydrolytic enzyme. This is accomplished by a method for adapting a hydrolytic enzyme to a component that stabilizes the hydrolytic enzyme, comprising the following method steps: a) providing a hydrolytic enzyme (starting enzyme) and a component that stabilizes the hydrolytic enzyme and that comprises a reversible inhibitor of the hydrolytic enzyme; b) changing the amino acid sequence of the hydrolytic enzyme in at least one position, by substitution, deletion or insertion; c) determining the relative activity of the hydrolytic enzyme from step b) and the relative activity of the starting enzyme in a liquid preparation; d) selecting the hydrolytic enzyme that has a reduced relative activity by comparison with the relative activity of the starting enzyme. | 07-03-2014 |
20140235524 | STRUCTURED DETERGENT OR CLEANING AGENT HAVING A FLOW LIMIT II - The invention describes a stable liquid washing agent or liquid cleaning agent having a yield point and very good dispersing properties. The agents contain anionic and nonionic surfactants as well as inorganic salt and cosurfactant. The invention also relates to the use of the liquid washing agent or liquid cleaning agent, and to a method for manufacturing it. | 08-21-2014 |
20140243253 | STRUCTURED DETERGENT OR CLEANING AGENT HAVING A FLOW LIMIT - The invention describes a stable liquid washing agent or liquid cleaning agent having a yield point and very good dispersing properties. The agents contain anionic and nonionic surfactants as well as inorganic salt, at a specific ratio to one another. The invention also relates to use of the liquid washing agent or liquid cleaning agent, and to a method for manufacturing it. | 08-28-2014 |
20140295522 | STORAGE-STABLE LIQUID DETERGENT OR CLEANING AGENT CONTAINING PROTEASE AND AMYLASE - The intention is to improve storage stability in a liquid washing or cleaning agent which contains a protease and amylase. This is achieved by using a protease which comprises an amino acid sequence which, over the entire length thereof, is at least 70% identical to the amino acid sequence stated in SEQ ID no. 1 and, in the numbering according to SEQ ID no. 1, has the amino acid substitution R99E or R99D in combination with at least two further amino acid substitutions which are selected from the group consisting of S3T, V4I and V199I. | 10-02-2014 |
20140370569 | EXPRESSION METHOD - In a microbial fermentation, the aim is to increase the product yield of protein. This is achieved by a method in which an expression construct is introduced into a microorganism of the species | 12-18-2014 |
20150175939 | DETERGENT OR CLEANING AGENT WITH AN IMPROVED ENZYME PERFORMANCE - Cleaning agents containing a) at least one protease which comprises an amino acid sequence which is at least 80% identical over its entire length to the amino acid sequence according to SEQ ID NO. 1 and, in the numbering according to SEQ ID NO. 1, has the amino acid glutamic acid (E) at position 99; b) 4-formylphenylboronic acid; c) at least one further enzyme other than the protease a), are distinguished by improved enzymatic cleaning performance. | 06-25-2015 |
Patent application number | Description | Published |
20090125313 | AUDIO CODING USING UPMIX - A method for decoding a multi-audio-object signal having audio signals of first and second types encoded therein, the multi-audio-object signal having a downmix signal and side information having level information of the audio signals of the first and second types in a first predetermined time/frequency resolution, the method including computing a prediction coefficient matrix C based on the level information; and up-mixing the downmix signal based on the prediction coefficients to obtain a first and/or a second up-mix audio signal approximating the audio signals of the first and second types, respectively, wherein up-mixing yields the first and/or second up-mix signals S | 05-14-2009 |
20090125314 | AUDIO CODING USING DOWNMIX - An audio decoder for decoding a multi-audio-object signal having an audio signal of a first type and an audio signal of a second type encoded therein is described, the multi-audio-object signal having a downmix signal and side information, the side information having level information of the audio signals of the first and second types in a first predetermined time/frequency resolution, and a residual signal specifying residual level values in a second predetermined time/frequency resolution, the audio decoder having a processor for computing prediction coefficients based on the level information; and an up-mixer for up-mixing the downmix signal based on the prediction coefficients and the residual signal to obtain a first up-mix audio signal approximating the audio signal of the first type and/or a second up-mix audio signal approximating the audio signal of the second type. | 05-14-2009 |
20100014692 | APPARATUS AND METHOD FOR GENERATING AUDIO OUTPUT SIGNALS USING OBJECT BASED METADATA - An apparatus for generating at least one audio output signal representing a superposition of at least two different audio objects comprises a processor for processing an audio input signal to provide an object representation of the audio input signal, where this object representation can be generated by a parametrically guided approximation of original objects using an object downmix signal. An object manipulator individually manipulates objects using audio object based metadata referring to the individual audio objects to obtain manipulated audio objects. The manipulated audio objects are mixed using an object mixer for finally obtaining an audio output signal having one or several channel signals depending on a specific rendering setup. | 01-21-2010 |
20100030563 | APPARATUS AND METHOD FOR GENERATING AN AMBIENT SIGNAL FROM AN AUDIO SIGNAL, APPARATUS AND METHOD FOR DERIVING A MULTI-CHANNEL AUDIO SIGNAL FROM AN AUDIO SIGNAL AND COMPUTER PROGRAM - An apparatus for generating an ambient signal from an audio signal includes a compressor for lossy compression of a representation of the audio signal so as to obtain a compressed representation of the audio signal describing a compressed audio signal. The apparatus for generating the ambient signal further includes a calculator for calculating a difference between the compressed representation of the audio signal and the representation of the audio signal so as to obtain a discrimination representation. The apparatus further includes a provider for providing the ambient signal using the discrimination representation. An apparatus for deriving a multi-channel audio signal from an audio signal includes an apparatus for generating an ambient signal from an audio signal, an apparatus for providing the audio signal as a front-loudspeaker signal and an apparatus for providing the ambient signal as a back-loudspeaker signal. | 02-04-2010 |
20100232619 | DEVICE AND METHOD FOR GENERATING A MULTI-CHANNEL SIGNAL INCLUDING SPEECH SIGNAL PROCESSING - In order to generate a multi-channel signal having a number of output channels greater than a number of input channels, a mixer is used for upmixing the input signal to form at least a direct channel signal and at least an ambience channel signal. A speech detector is provided for detecting a section of the input signal, the direct channel signal or the ambience channel signal in which speech portions occur. Based on this detection, a signal modifier modifies the input signal or the ambience channel signal in order to attenuate speech portions in the ambience channel signal, whereas such speech portions in the direct channel signal are attenuated to a lesser extent or not at all. A loudspeaker signal outputter then maps the direct channel signals and the ambience channel signals to loudspeaker signals which are associated to a defined reproduction scheme, such as, for example, a 5.1 scheme. | 09-16-2010 |
20110191101 | Apparatus and Method for Processing an Audio Signal for Speech Enhancement Using a Feature Extraction - An apparatus for processing an audio signal to obtain control information for a speech enhancement filter has a feature extractor for extracting at least one feature per frequency band of a plurality of frequency bands of a short-time spectral representation of a plurality of short-time spectral representations, where the at least one feature represents a spectral shape of the short-time spectral representation in the frequency band. The apparatus additionally has a feature combiner for combining the at least one feature for each frequency band using combination parameters to obtain the control information for the speech enhancement filter for a time portion of the audio signal. The feature combiner can use a neural network regression method, which is based on combination parameters determined in a training phase for the neural network. | 08-04-2011 |
20110261967 | APPARATUS FOR GENERATING A MULTI-CHANNEL AUDIO SIGNAL - An apparatus for generating a multi-channel audio signal based on an input audio signal comprises a main signal upmixer, a section selector, a section signal upmixer and a combiner. The main signal upmixer is configured to provide a main multi-channel audio signal based on the input audio signal. The section selector is configured to select or not select a section of the input audio signal based on an analysis of the input audio signal. The selected section of the input audio signal, a processed selected section of the input audio signal or a reference signal associated with the selected section of the input audio signal is provided as section signal. The section signal upmixer is configured to provide a section upmix signal based on the section signal, and the combiner is configured to overlay the main multi-channel audio signal and the section upmix signal to obtain the multi-channel audio signal. | 10-27-2011 |
20110264456 | BINAURAL RENDERING OF A MULTI-CHANNEL AUDIO SIGNAL - Binaural rendering a multi-channel audio signal into a binaural output signal is described. The multi-channel audio signal has a stereo downmix signal into which a plurality of audio signals are downmixed, and side information having a downmix information, as well as object level information of the plurality of audio signals and inter-object cross correlation information. Based on a first rendering prescription, a preliminary binaural signal is computed from the first and second channels of the stereo downmix signal. A decorrelated signal is generated as an perceptual equivalent to a mono downmix of the first and second channels of the stereo downmix signal being, however, decorrelated to the mono downmix. Depending on a second rendering prescription, a corrective binaural signal is computed from the decorrelated signal and the preliminary binaural signal is mixed with the corrective binaural signal to obtain the binaural output signal. | 10-27-2011 |
20110282471 | Apparatus and Method for Synchronizing Additional Data and Base Data - For adding additional data, such as multi-channel extension data, to base data, such as conventional stereo data, a test fingerprint of test data relating to a test time instant of the test data is provided. The test data equals the additional data or the base data or depends on the additional data or the base data in parametric manner. Using the test fingerprint, reference time instant information is determined, which depends on a reference time instant in reference data, the reference data being the conventional stereo data. Finally, the additional data or the base data is manipulated, namely using the reference time instant information and the test time instant information, to obtain manipulated data, by which synchronous reproduction of the data information can be performed. Thus, a robust and flexible possibility for synchronous, especially late extension of base data by additional data is obtained. | 11-17-2011 |
20120177204 | Audio Signal Decoder, Method for Decoding an Audio Signal and Computer Program Using Cascaded Audio Object Processing Stages - An audio signal decoder for providing an upmix signal representation in dependence on a downmix signal representation and an object-related parametric information includes an object separator configured to decompose the downmix signal representation, to provide a first audio information describing a first set of one or more audio objects of a first audio object type and a second audio information describing a second set of one or more audio objects of a second audio object type, in dependence on the downmix signal representation and using at least a part of the object-related parametric information. | 07-12-2012 |
20120195434 | DEVICE AND METHOD FOR GENERATING AN AMBIENCE SIGNAL - A transient detector is provided for generating an ambience signal suitable for being emitted via loudspeakers for which there is no special loudspeaker signal to detect a transient period. A synthesis signal generator produces a synthesis signal which fulfils the transient condition on the one hand and the continuity condition for the synthesis signal on the other hand. A signal substituter will then substitute a portion of the examination signal by the synthesis signal to obtain an ambience signal for the surround channels. | 08-02-2012 |
20120213376 | AUDIO DECODER, AUDIO OBJECT ENCODER, METHOD FOR DECODING A MULTI-AUDIO-OBJECT SIGNAL, MULTI-AUDIO-OBJECT ENCODING METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM THEREFOR - An audio decoder for decoding a multi-audio-object signal having an audio signal of a first type and an audio signal of a second type encoded therein is described, the multi-audio-object signal having a downmix signal and side information, the side information having level information of the audio signals of the first and second types in a first predetermined time/frequency resolution, and a residual signal specifying residual level values in a second predetermined time/frequency resolution, the audio decoder having a processor for computing prediction coefficients based on the level information; and an up-mixer for up-mixing the downmix signal based on the prediction coefficients and the residual signal to obtain a first up-mix audio signal approximating the audio signal of the first type and/or a second up-mix audio signal approximating the audio signal of the second type. | 08-23-2012 |
20120243690 | APPARATUS FOR PROVIDING AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF A DOWNMIX SIGNAL REPRESENTATION, APPARATUS FOR PROVIDING A BITSTREAM REPRESENTING A MULTI-CHANNEL AUDIO SIGNAL, METHODS, COMPUTER PROGRAM AND BITSTREAM USING A DISTORTION CONTROL SIGNALING - An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which are included in a bitstream representation of an audio content, and in dependence on a rendering information, has a distortion limiter configured to adjust upmix parameters using a distortion control scheme to avoid or limit audible distortions which are caused by an inappropriate choice of rendering parameters. The distortion limiter is configured to obtain a distortion limitation control parameter, which is included in the bitstream representation of the audio content, and to adjust a distortion control scheme in dependence on the distortion limitation control parameter. | 09-27-2012 |
20120259643 | APPARATUS FOR PROVIDING AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF THE DOWNMIX SIGNAL REPRESENTATION, APPARATUS FOR PROVIDING A BITSTREAM REPRESENTING A MULTI-CHANNEL AUDIO SIGNAL, METHODS, COMPUTER PROGRAMS AND BITSTREAM REPRESENTING A MULTI-CHANNEL AUDIO SIGNAL USING A LINEAR COMBINATION PARAMETER - An apparatus for providing an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information, which are included in a bitstream representation of an audio content, in independence on a user-specified rendering matrix, the apparatus has a distortion limiter configured to obtain a modified rendering matrix using a linear combination of a user-specified rendering matrix in a target rendering matrix in dependence on a linear combination parameter. The apparatus also has a signal processor configured to obtain the upmix signal representation on the basis of the downmix signal representation and the object-related parametric information using the modified rendering matrix. The apparatus is also configured to evaluate a bitstream element representing the linear combination parameter in order to obtain the linear combination parameter. | 10-11-2012 |
20120308049 | APPARATUS AND METHOD FOR GENERATING AUDIO OUTPUT SIGNALS USING OBJECT BASED METADATA - An apparatus for generating at least one audio output signal representing a superposition of at least two different audio objects comprises a processor for processing an audio input signal to provide an object representation of the audio input signal, where this object representation can be generated by a parametrically guided approximation of original objects using an object downmix signal. An object manipulator individually manipulates objects using audio object based metadata referring to the individual audio objects to obtain manipulated audio objects. The manipulated audio objects are mixed using an object mixer for finally obtaining an audio output signal having one or several channel signals depending on a specific rendering setup. | 12-06-2012 |
20130046546 | APPARATUS AND METHOD FOR MODIFYING AN INPUT AUDIO SIGNAL - An apparatus for modifying an input audio signal has an excitation determiner, a storage device and a signal modifier. The excitation determiner determines a value of an excitation parameter of a subband of a plurality of subbands of the input audio signal based on an energy content of the subband. Further, the storage device stores a lookup table containing a plurality of spectral weighting factors. A spectral weighting factor of the plurality of spectral weighting factors is associated to a predefined value of the excitation parameter and a subband of the plurality of subbands. The storage device provides a spectral weighting factor corresponding to the determined value of the excitation parameter and corresponding to the subband, the value of the excitation parameter is determined for. Further, the signal modifier modifies a content of the subband of the audio signal, the value of the excitation parameter is determined for, based on the provided spectral weighting factor to provide a modified subband. | 02-21-2013 |
20130138446 | AUDIO DECODER, AUDIO OBJECT ENCODER, METHOD FOR DECODING A MULTI-AUDIO-OBJECT SIGNAL, MULTI-AUDIO-OBJECT ENCODING METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM THEREFOR - An audio decoder for decoding a multi-audio-object signal having an audio signal of a first type and an audio signal of a second type encoded therein is described, the multi-audio-object signal having a downmix signal and side information, the side information having level information of the audio signals of the first and second types in a first predetermined time/frequency resolution, and a residual signal specifying residual level values in a second predetermined time/frequency resolution, the audio decoder having a processor for computing prediction coefficients based on the level information; and an up-mixer for up-mixing the downmix signal based on the prediction coefficients and the residual signal to obtain a first up-mix audio signal approximating the audio signal of the first type and/or a second up-mix audio signal approximating the audio signal of the second type. | 05-30-2013 |
20130140862 | Headrest Speaker Arrangement - In embodiments of the invention, a headrest of a vehicle seat or a speaker box which can be attached to the vehicle seat or to a headrest is described. The headrest or the speaker box may have at least one speaker integrated in the headrest or in the speaker box, wherein the speaker has a main sound emission direction and wherein the speaker is fixed in the headrest or in the speaker box in such a way that the main sound emission direction is inclined with respect to a backrest main direction of the backrest of the vehicle seat. | 06-06-2013 |
20130142353 | Vehicle with Sound Wave Reflector - Embodiments disclose a vehicle which has a vehicle ceiling having a first sound wave reflection portion having a first sound wave reflection characteristic and a second portion having a second sound wave reflection characteristic, wherein the first sound wave reflection portion is more sound wave reflecting than the second sound wave reflection portion and at least one speaker arranged in the vehicle, so that a main sound emission direction is directed to the first sound wave reflection portion, so that a sound wave emitted by the speaker and reflected by the first sound wave reflection portion is perceptible as a diffuse sound by a person in the vehicle. | 06-06-2013 |
20140064527 | APPARATUS AND METHOD FOR GENERATING AN OUTPUT SIGNAL EMPLOYING A DECOMPOSER - An apparatus for generating an output signal having at least two output channels from an input signal having at least two input channels, has an ambient/direct decomposer, an ambient modification unit and a combination unit. The ambient/direct decomposer is adapted to decompose at least two input channels of the input signal such that each one of the at least two input channels is decomposed into a signal of a first signal group and into a signal of a second signal group. The ambient modification unit is adapted to modify a signal of the ambient signal group or a signal derived from a signal of the ambient signal group to obtain a modified signal as a first output channel. The combination unit is adapted to combine a signal of the ambient signal group or a signal derived from a signal of the ambient signal group and a signal of the direct signal group or a signal derived from a signal of the direct signal group as a second output channel. | 03-06-2014 |
20140072124 | APPARATUS AND METHOD AND COMPUTER PROGRAM FOR GENERATING A STEREO OUTPUT SIGNAL FOR PROVIING ADDITIONAL OUTPUT CHANNELS - An apparatus for generating a stereo output signal includes a manipulation information generator being adapted to generate manipulation information depending on a first signal indication value of a first input channel and on a second signal indication value of a second input channel, and a manipulator for manipulating a combination signal based on the manipulation information to obtain a first manipulated signal as a first output channel and a second manipulated signal as a second output channel. The combination signal is a signal derived by combining the first input channel and the second input channel. Furthermore, the manipulator is configured for manipulating the combination signal in a first manner, when the first signal indication value is in a first relation to the second signal indication value, or in a different second manner, when the first signal indication value is in a different second relation to the second signal indication value. | 03-13-2014 |
20140072126 | APPARATUS AND METHOD FOR DETERMINING A MEASURE FOR A PERCEIVED LEVEL OF REVERBERATION, AUDIO PROCESSOR AND METHOD FOR PROCESSING A SIGNAL - An apparatus for determining a measure for a perceived level of reverberation in a mix signal consisting of a direct signal component and a reverberation signal component, has a loudness model processor having a perceptual filter stage for filtering the dry signal component the reverberation signal component or the mix signal, wherein the perceptual filter stage is configured for modeling an auditory perception mechanism of an entity to obtain a filtered direct signal, a filtered reverberation signal or a filtered mix signal. The apparatus furthermore has a loudness estimator for estimating a first loudness measure using the filtered direct signal and for estimating a second loudness measure using the filtered reverberation signal or the filtered mix signal, where the filtered mix signal is derived from a superposition of the direct signal component and the reverberation signal component. The apparatus furthermore has a combiner for combining the first and the second loudness measures to obtain a measure for the perceived level of reverberation. | 03-13-2014 |
20140119545 | METHOD AND APPARATUS FOR DECOMPOSING A STEREO RECORDING USING FREQUENCY-DOMAIN PROCESSING EMPLOYING A SPECTRAL WEIGHTS GENERATOR - An apparatus for generating a stereo side signal having a first side channel and a second side channel from a stereo input signal having a first input channel and a second input channel is provided. The apparatus has a modification information generator for generating modification information based on mid-side information. Furthermore, the apparatus has a signal manipulator being adapted to manipulate the first input channel based on the modification information to obtain the first side channel and being adapted to manipulate the second input channel based on the modification information to obtain the second side channel. The modification information generator has a spectral weights generator for generating the modification information by generating a first spectral weighting factor based on a mono mid signal and on a mono side signal of the stereo input signal. | 05-01-2014 |
20140133673 | VEHICLE WITH SIDE WALL SPEAKERS - A vehicle includes a side wall, a ceiling and a speaker arrangement including at least one speaker. The speaker arrangement is positioned in or at the side wall and is configured such that a main sound emission direction of the speaker arrangement is directed to the ceiling. | 05-15-2014 |
20150142427 | DECODER AND METHOD FOR A GENERALIZED SPATIAL-AUDIO-OBJECT-CODING PARAMETRIC CONCEPT FOR MULTICHANNEL DOWNMIX/UPMIX CASES - A decoder for generating an audio output signal having one or more audio output channels from a downmix signal having one or more downmix channels is provided. The downmix signal encodes one or more audio object signals. The decoder has a threshold determiner for determining a threshold value depending on a signal energy and/or a noise energy of at least one of the of or more audio object signals and/or depending on a signal energy and/or a noise energy of at least one of the one or more downmix channels. Moreover, the decoder has a processing unit for generating the one or more audio output channels from the one or more downmix channels depending on the threshold value. | 05-21-2015 |
20150149187 | DECODER AND METHOD FOR MULTI-INSTANCE SPATIAL-AUDIO-OBJECT-CODING EMPLOYING A PARAMETRIC CONCEPT FOR MULTICHANNEL DOWNMIX/UPMIX CASES - A decoder for generating an audio output signal having one or more audio output channels from a downmix signal having three or more downmix channels, wherein the downmix signal encodes three or more audio object signals is provided. The decoder includes an input channel router and at least two channel processing units. Each channel processing unit of the at least two channel processing units is configured to generate one or more of at least two processed channels depending on side information and depending on one or more of the three or more downmix channels received by the channel processing unit from the input channel router. | 05-28-2015 |
20150154968 | APPARATUS AND METHODS FOR ADAPTING AUDIO INFORMATION IN SPATIAL AUDIO OBJECT CODING - An apparatus for adapting input audio information, encoding one or more audio objects, to obtain adapted audio information is provided. The input audio information includes two or more input audio downmix channels and further includes input parametric side information. The adapted audio information includes one or more adapted audio downmix channels and further includes adapted parametric side information. The apparatus includes a downmix signal modifier for adapting, depending on adaptation information, the two or more input audio downmix channels to obtain the one or more adapted audio downmix channels. Moreover, the apparatus includes a parametric side information adapter for adapting, depending on the adaptation information, the input parametric side information to obtain the adapted parametric side information. | 06-04-2015 |
20150162012 | ENCODER, DECODER, SYSTEM AND METHOD EMPLOYING A RESIDUAL CONCEPT FOR PARAMETRIC AUDIO OBJECT CODING - A decoder is provided. The decoder includes a parametric decoding unit for generating a plurality of first estimated audio object signals by upmixing three or more downmix signals, wherein the three or more downmix signals encode a plurality of original audio object signals, wherein the parametric decoding unit is configured to upmix the three or more downmix signals depending on parametric side information indicating information on the plurality of original audio object signals. Moreover, the decoder includes a residual processing unit for generating a plurality of second estimated audio object signals by modifying one or more of the first estimated audio object signals, wherein the residual processing unit is configured to modify the one or more of the first estimated audio object signals depending on one or more residual signals. | 06-11-2015 |