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公开(公告)号:US09955282B2
公开(公告)日:2018-04-24
申请号:US15002177
申请日:2016-01-20
发明人: Simone Fueg , Jan Plogsties
CPC分类号: H04S7/305 , G10K15/08 , G10K15/12 , G10L19/008 , G10L25/06 , H04S7/30 , H04S2400/01 , H04S2400/03 , H04S2400/13 , H04S2420/01
摘要: A method for processing an audio signal in accordance with a room impulse response is described. The audio signal is processed with an early part of the room impulse response separate from a late reverberation of the room impulse response, wherein the processing of the late reverberation has generating a scaled reverberated signal, the scaling being dependent on the audio signal. The processed early part of the audio signal and the scaled reverberated signal are combined.
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2.
公开(公告)号:US10937435B2
公开(公告)日:2021-03-02
申请号:US16431601
申请日:2019-06-04
发明人: Simone Fueg , Achim Kuntz , Michael Kratschmer , Juha Vilkamo
IPC分类号: H04R5/00 , G10L19/008 , G10L19/005 , G10L19/02 , G10L21/04 , H04S3/02
摘要: An audio signal processing decoder having at least one frequency band and being configured for processing an input audio signal having a plurality of input channels in the at least one frequency band, wherein the decoder is configured to analyze the input audio signal, wherein inter-channel dependencies between the input channels are identified; and to align the phases of the input channels based on the identified inter-channel dependencies, wherein the phases of input channels are the more aligned with respect to each other the higher their inter-channel dependency is; and to downmix the aligned input audio signal to an output audio signal having a lesser number of output channels than the number of the input channels.
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公开(公告)号:US10854213B2
公开(公告)日:2020-12-01
申请号:US16236079
申请日:2018-12-28
发明人: Simone Fueg , Jan Plogsties , Sascha Dick , Johannes Hilpert , Julien Robilliard , Achim Kuntz , Andreas Hoelzer
IPC分类号: G10L19/20 , H04S7/00 , G10L19/008 , H04N21/233 , H04N21/431 , H04N21/45 , H04N21/81 , H04N21/84 , H04S3/00 , H04N21/439 , G10L19/16
摘要: An apparatus for generating loudspeaker signals includes an object metadata processor configured to receive metadata, to calculate a second position of the audio object depending on the first position of the audio object and on a size of a screen if the audio object is indicated in the metadata as being screen-related, to feed the first position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being not screen-related, and to feed the second position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being screen-related. The apparatus further includes an object renderer configured to receive an audio object and to generate the loudspeaker signals depending on the audio object and on position information.
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公开(公告)号:US11527254B2
公开(公告)日:2022-12-13
申请号:US16950768
申请日:2020-11-17
发明人: Simone Fueg , Jan Plogsties , Sascha Dick , Johannes Hilpert , Julien Robilliard , Achim Kuntz , Andreas Hoelzer
IPC分类号: G10L19/20 , H04S7/00 , G10L19/008 , H04N21/233 , H04N21/431 , H04N21/45 , H04N21/81 , H04N21/84 , H04S3/00 , H04N21/439 , G10L19/16
摘要: An apparatus for generating loudspeaker signals includes an object metadata processor configured to receive metadata, to calculate a second position of the audio object depending on the first position of the audio object and on a size of a screen if the audio object is indicated in the metadata as being screen-related, to feed the first position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being not screen-related, and to feed the second position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being screen-related. The apparatus further includes an object renderer configured to receive an audio object and to generate the loudspeaker signals depending on the audio object and on position information.
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公开(公告)号:US10249311B2
公开(公告)日:2019-04-02
申请号:US15002148
申请日:2016-01-20
发明人: Alexander Adami , Christian Borss , Sascha Disch , Christian Ertel , Simone Fueg , Juergen Herre , Johannes Hilpert , Andreas Hoelzer , Michael Kratschmer , Fabian Kuech , Achim Kuntz , Adrian Murtaza , Jan Plogsties , Andreas Silzle , Hanne Stenzel
IPC分类号: H04R5/00 , G10L19/20 , G10L19/008 , H04S3/00 , G10L19/18 , G10L19/22 , G10L19/028
摘要: Audio encoder for encoding audio input data to obtain audio output data includes an input interface for receiving a plurality of audio channels, a plurality of audio objects and metadata related to one or more of the plurality of audio objects; a mixer for mixing the plurality of objects and the plurality of channels to obtain a plurality of pre-mixed channels, each pre-mixed channel including audio data of a channel and audio data of at least one object; a core encoder for core encoding core encoder input data; and a metadata compressor for compressing the metadata related to the one or more of the plurality of audio objects, wherein the audio encoder is configured to operate in at least one mode of the group of two modes.
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公开(公告)号:US10433097B2
公开(公告)日:2019-10-01
申请号:US15003287
申请日:2016-01-21
发明人: Simone Fueg , Jan Plogsties
摘要: A method for processing an audio signal in accordance with a room impulse response is described. The audio signal is separately processed with an early part and a late reverberation of the room impulse response, and the processed early part of the audio signal and the reverberated signal are combined. A transition from the early part to the late reverberation in the room impulse response is reached when a correlation measure reaches a threshold, the threshold being set dependent on the correlation measure for a selected one of the early reflections in the early part of the room impulse response.
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7.
公开(公告)号:US10360918B2
公开(公告)日:2019-07-23
申请号:US15000508
申请日:2016-01-19
发明人: Simone Fueg , Achim Kuntz , Michael Kratschmer , Juha Vilkamo
IPC分类号: H04R5/00 , G10L19/008 , G10L19/005 , G10L19/02 , G10L21/04 , H04S3/02
摘要: An audio signal processing decoder having at least one frequency band and being configured for processing an input audio signal having a plurality of input channels in the at least one frequency band, wherein the decoder is configured to analyze the input audio signal, wherein inter-channel dependencies between the input channels are identified; and to align the phases of the input channels based on the identified inter-channel dependencies, wherein the phases of input channels are the more aligned with respect to each other the higher their inter-channel dependency is; and to downmix the aligned input audio signal to an output audio signal having a lesser number of output channels than the number of the input channels.
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公开(公告)号:US10192563B2
公开(公告)日:2019-01-29
申请号:US15274310
申请日:2016-09-23
发明人: Simone Fueg , Jan Plogsties , Sascha Dick , Johannes Hilpert , Julien Robilliard , Achim Kuntz , Andreas Hoelzer
IPC分类号: H04R5/00 , G10L19/20 , H04S7/00 , G10L19/008 , H04N21/233 , H04N21/431 , H04N21/45 , H04N21/81 , H04N21/84 , H04S3/00 , H04N21/439 , G10L19/16
摘要: An apparatus for generating loudspeaker signals includes an object metadata processor configured to receive metadata, to calculate a second position of the audio object depending on the first position of the audio object and on a size of a screen if the audio object is indicated in the metadata as being screen-related, to feed the first position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being not screen-related, and to feed the second position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being screen-related. The apparatus further includes an object renderer configured to receive an audio object and to generate the loudspeaker signals depending on the audio object and on position information.
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