H04S2400/15

FILTER GENERATION DEVICE AND FILTER GENERATION METHOD
20230114777 · 2023-04-13 ·

An object of the present disclosure is to provide a filter generation device and a filter generation method, capable of generating a filter suitable for out-of-head localization processing. A processing device according to an embodiment includes: a frequency characteristics acquisition unit configured to acquire frequency characteristics based on sound pickup signals; a level calculation unit configured to calculate a reference level in the frequency characteristics; a correction unit configured to correct the frequency characteristics so that the frequency characteristics fall within a predetermined level range including the reference level, and thereby calculate corrected characteristics; and a filter generation unit configured to generate a corrected filter based on the corrected characteristics.

SIGNAL PROCESSING APPARATUS, METHOD, AND PROGRAM
20220335967 · 2022-10-20 ·

The present technology relates to a signal processing apparatus, a method, and a program that make it possible to obtain a high-quality target sound. The signal processing apparatus includes an interval detection unit configured to detect a time interval containing a sound that is emitted from a mobile body and that is included in a recording signal obtained by collecting sounds around the mobile body in a state where another mobile body is present around the mobile body, the time interval being detected on the basis of the recording signal and a sensor signal output from a sensor attached to the mobile body. The present technology is applicable to a recording system.

Spatial audio and avatar control at headset using audio signals

An audio system in a local area providing an audio signal to a headset of a remote user is presented herein. The audio system identifies sounds from a human sound source in the local area, based in part on sounds detected within the local area. The audio system generates an audio signal for presentation to a remote user within a virtual representation of the local area based in part on a location of the remote user within the virtual representation of the local area relative to a virtual representation of the human sound source within the virtual representation of the local area. The audio system provides the audio signal to a headset of the remote user, wherein the headset presents the audio signal as part of the virtual representation of the local area to the remote user.

Somatosensory vibration generating device and method for forming somatosensory vibration
11606636 · 2023-03-14 ·

The invention provides a somatosensory vibration generating device comprising: an audio signal receiving module for receiving sound waves of external environmental sounds and converting the sound waves into a first audio frequency signal; a digital-to-analog conversion module for performing digital-to-analog conversion on the first audio frequency signal to generate and output a second audio frequency signal after digital-to-analog conversion; a digital signal processing module for converting the second audio frequency signal output by the digital-to-analog conversion module into a first vibration signal; an operational amplifier for performing gain processing on the first vibration signal and outputting a second vibration signal after gain processing; and at least one tactile transducer at least comprising a vibration element and a tactile transducer; and a frequency of the second audio frequency signal is less than 200 Hz.

SYSTEM AND METHOD FOR DIFFERENTIALLY LOCATING AND MODIFYING AUDIO SOURCES
20230071638 · 2023-03-09 ·

A system and method for differentially locating and modifying audio sources that includes receiving multiple audio inputs from a set of distinct locations; determining a multi-dimensional audio map from the audio inputs; acquiring a set of positional audio control inputs applied to the audio map, each audio control input comprising a location and audio processing property; and generating an audio output according to the audio control inputs and the audio inputs. The audio control inputs capable of configuration through manual, automatic, computer vision analysis, and other configuration modes.

METHOD AND APPARATUS FOR AUDIO DATA PROCESSING
20230075670 · 2023-03-09 ·

Embodiments of the disclosure provide methods and apparatuses processing audio data. The method can include: acquiring audio data by an audio capturing device, determining feature information of an enclosure in which the audio capturing device is located, and reverberating the feature information into the audio data.

Audio/Video Capturing Using Audio from Remote Device

An apparatus, method and computer program product for: receiving spatial audio information captured by a plurality of microphones, receiving a captured audio object from an audio device wirelessly connected to the apparatus, determining an audio audibility value relating to the audio device, determining whether the audio audibility value fulfils at least one criterion, and activating, in response to determining that the audio audibility value fulfils the at least one criterion, inclusion of the audio object captured by the audio device in the spatial audio information captured by the plurality of microphones.

Audio apparatus, audio distribution system and method of operation therefor

A distribution system comprises an audio server (101) for receiving incoming audio from remote clients (103) and for transmitting audio derived from the incoming audio to the remote clients (103). An audio apparatus comprises an audio a receiver (401) which receives data comprising: audio data for a plurality of audio components representing audio from a remote client of the plurality of remote clients; and proximity data for at least one of the audio components. The proximity data is indicative of proximity between remote clients. A generator (403) of the apparatus generates an audio mix from the audio components in response to the proximity data. For example, an audio component indicated to be proximal to a remote client may be excluded from an audio mix for that remote client.

Immersive audio platform

Disclosed herein are systems and methods for presenting audio content in mixed reality environments. A method may include receiving a first input from an application program; in response to receiving the first input, receiving, via a first service, an encoded audio stream; generating, via the first service, a decoded audio stream based on the encoded audio stream; receiving, via a second service, the decoded audio stream; receiving a second input from one or more sensors of a wearable head device; receiving, via the second service, a third input from the application program, wherein the third input corresponds to a position of one or more virtual speakers; generating, via the second service, a spatialized audio stream based on the decoded audio stream, the second input, and the third input; presenting, via one or more speakers of the wearable head device, the spatialized audio stream.

Adjustment of acoustic map and presented sound in artificial reality systems

A headset generates an acoustic map that is a visual representation of sound pressure of sound within a local area. The acoustic map is displayed as a virtual object that is overlaid onto visual content being presented by the headset. Sound is adjusted in accordance with a command. The acoustic map is updated based on the adjusted sound, and the adjusted sound is presented and the updated acoustic map is presented.