公开(公告)号：US11889292B2

公开(公告)日：2024-01-30

申请号：US17581527

申请日：2022-01-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mohammad Taghizadeh ,  Gil Keren ,  Shuo Liu ,  Bjoern Schuller

IPC: H04S7/00 ,  G10L21/0208 ,  G10L25/18 ,  G10L25/30 ,  G10L21/10

CPC classification number: H04S7/307 ,  G10L21/0208 ,  G10L21/10 ,  G10L25/18 ,  G10L25/30 ,  H04S2400/03

Abstract: The disclosure relates to an audio processing apparatus, comprising: a plurality of audio sensors, each audio sensor configured to receive a respective plurality of audio frames of an audio signal from an audio source, wherein the respective plurality of audio frames defines an audio channel of the audio signal; and a processing circuitry configured to: determine a respective feature set having at least one feature for each audio frame of each of the plurality of audio frames, wherein the plurality of features define a three-dimensional feature array; process the three-dimensional feature array using a neural network, wherein the neural network comprises a self-attention layer configured to process a plurality of two-dimensional sub-arrays of the three-dimensional feature array; and generate an output signal on the basis of the plurality of processed two-dimensional sub-arrays. Moreover, the disclosure relates to a corresponding audio processing method.