The present disclosure relates to a communication apparatus, a communication method, a program, and a telepresence system that can perform communication more smoothly. A sound processing unit processes, in accordance with a setting for a specific sound, the sound in performing communication using a video and a voice. For example, the sound processing unit performs processing on a sound input by an input unit, and the sound processed by the sound processing unit, and the original sound input by the input unit are both transmitted. Furthermore, the sound processing unit performs processing on a sound received by a receiving unit configured to receive a sound transmitted from another communication apparatus, and causes the sound to be output from an output unit. The present technology can be applied to a telepresence system, for example.

Techniques for simulating a microphone array and generating synthetic audio data to analyze the microphone array geometry. This reduces the development cost of new microphone arrays by enabling an evaluation of performance metrics (False Rejection Rate (FRR), Word Error Rate (WER), etc.) without building device hardware or collecting data. To generate the synthetic audio data, the system performs acoustic modeling to determine a room impulse response associated with a prototype device (e.g., potential microphone array) in a room. The acoustic modeling is based on two parameters—a device response (information about acoustics and geometry of the prototype device) and a room response (information about acoustics and geometry of the room). The device response can be simulated based on the microphone array geometry, and the room response can be determined using a specialized microphone and a plane wave decomposition algorithm.

A signal processing system and method for delivering spatialized sound, comprising: a spatial mapping sensor, configured to map an environment, to determine at least a position of at least one listener and at least one object; a signal processor configured to: transform a received audio program according to a spatialization model comprising parameters defining a head-related transfer function, and an acoustic interaction of the object, to form spatialized audio; generate an array of audio transducer signals for an audio transducer array representing the spatialized audio; and a network port configured to communicate physical state information for the at least one listener through digital packet communication network.

A display control apparatus including a display control portion configured to display, on a display portion, a position of an array speaker, a time waveform that corresponds to at least one sound source, and a trajectory indicating a variation in a localization point of the sound source in a predetermined space.

An apparatus for generating a sound field description from an input signal having at least two channels has: an input signal analyzer for obtaining direction data and diffuseness data from the input signal; an estimator for estimating a first energy- or amplitude-related measure for an omnidirectional component derived from the input signal and for estimating a second energy- or amplitude-related measure for a directional component derived from the input signal, and a sound component generator for generating sound field components of the sound field, wherein the sound component generator is configured to perform an energy compensation of the directional component using the first energy- or amplitude-related measure, the second energy- or amplitude-related measure, the direction data and the diffuseness data.

Embodiments are described for an adaptive audio system that processes audio data comprising a number of independent monophonic audio streams. One or more of the streams has associated with it metadata that specifies whether the stream is a channel-based or object-based stream. Channel-based streams have rendering information encoded by means of channel name; and the object-based streams have location information encoded through location expressions encoded in the associated metadata. A codec packages the independent audio streams into a single serial bitstream that contains all of the audio data. This configuration allows for the sound to be rendered according to an allocentric frame of reference, in which the rendering location of a sound is based on the characteristics of the playback environment (e.g., room size, shape, etc.) to correspond to the mixer's intent. The object position metadata contains the appropriate allocentric frame of reference information required to play the sound correctly using the available speaker positions in a room that is set up to play the adaptive audio content.

An electronic device for a vehicle comprising circuitry configured to obtain information about a planned maneuver of the vehicle; and circuitry configured to determine the position and/or orientation of a sound field based on the information about the planned maneuver of the vehicle.

A method and device for processing one or more audio streams based on privacy restrictions is described. A device may be configured to receive the one or more audio streams from audio elements represented in an acoustic environment that comprises one or more sub-acoustic spaces, each of the one or more audio streams representative of a respective soundfield, determine unrestricted audio streams of the one or more audio streams based on privacy restrictions associated with the one or more audio streams, determine restricted audio streams of the one or more audio streams based on the privacy restrictions associated with the one or more audio streams, generate the corresponding respective soundfields of the unrestricted audio streams, and restrict playback of the corresponding respective soundfields of the restricted audio streams.

Provided are a sound field forming apparatus and a method that enhances the reproducibility of a wavefront at a listener position. The sound field forming apparatus has a position acquisition unit to acquire position information indicative of a position of a listener or a position of a sound source to be formed, a control point specification unit to specify a control point with a distance from a speaker array of the listener or the sound source on the basis of the position information, and a filter unit to generate a speaker drive signal for forming a predetermined sound field by the speaker array by convoluting a filter coefficient corresponding to the specified control point with a sound source signal.

An electronic device comprising circuitry configured to obtain an audio signal of a first passenger of a vehicle and to control a loudspeaker array to generate at least one virtual sound source that reproduces the audio signal obtained from the first passenger, the virtual sound source being provided for a second passenger.