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1. IN201911038589 - METHODS AND SYSTEMS FOR RECORDING MIXED AUDIO SIGNAL AND REPRODUCING DIRECTIONAL AUDIO

Office
India
Application Number 201911038589
Application Date 24.09.2019
Publication Number 201911038589
Publication Date 26.03.2021
Publication Kind A
IPC
H04R
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04M
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
H04N
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
H03G
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
GCONTROL OF AMPLIFICATION
Applicants Samsung Electronics Co., Ltd.
Inventors AGARWALA, Naresh Kumar
SINGH, Ritesh
Title
(EN) METHODS AND SYSTEMS FOR RECORDING MIXED AUDIO SIGNAL AND REPRODUCING DIRECTIONAL AUDIO
Abstract
(EN)
Methods and systems for recording mixed audio signal and reproducing directional audio are disclosed. In some embodiments, the method includes receiving a mixed audio signal in a real world environment at plurality of microphones on the multi-microphone device determining at least one audio parameter associated with the mixed audio signal received at each of the plurality of microphones; determining active audio sources and a number of active audio sources from the mixed audio signal; determining a direction and positional information of each of the active audio sources; dynamically selecting a set of microphones from the plurality of microphones based on the number of active audio sources, the direction of each of the active audio sources, the at least one audio parameter, and at least one predefined condition; and recording the mixed audio signal in accordance with the selected set of microphones for reproducing directional audio from the recorded mixed audio signal.