In an audio encoder, for audio content received in a source audio format, default gains are generated based on a default dynamic range compression (DRC) curve, and non-default gains are generated for a non-default gain profile. Based on the default gains and non-default gains, differential gains are generated. An audio signal comprising the audio content, the default DRC curve, and differential gains is generated. In an audio decoder, the default DRC curve and the differential gains are identified from the audio signal. Default gains are re-generated based on the default DRC curve. Based on the combination of the re-generated default gains and the differential gains, operations are performed on the audio content extracted from the audio signal.

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.

In cases of rendering a multichannel signal such as a 22.2 channel signal as a 5.1 channel signal, a three dimensional (3D) audio signal may be reproduced using a two dimensional (2D) output channel, but rendered audio signals are sensitively affected by a layout of speakers and may cause distortion of a sound image when the layout of arranged speakers is different from a standard layout. The present invention may solve the aforementioned problem of the prior art. The audio signal rendering method for reducing distortion of a sound image even when the layout of the arranged speakers is different from the standard layout, according to one embodiment of the present invention, includes: receiving a multi-channel signal including a plurality of input channels that are to be converted to a plurality of output channels; obtaining deviation information about at least one output channel, from a location of a speaker and a standard location corresponding to each of the plurality of output channels; and modifying a panning gain from a height channel included in the plurality of input channels to the output channel having the deviation information, based on obtained deviation information.

Methods for rendering audio for playback by two or more speakers are disclosed. The audio includes one or more audio signals, each with an associated intended perceived spatial position. Relative activation of the speakers may be a cost function of a model of perceived spatial position of the audio signals when played back over the speakers, a measure of proximity of the intended perceived spatial position of the audio signals to positions of the speakers, and one or more additional dynamically configurable functions. The dynamically configurable functions may be based on at least one or more properties of the audio signals, one or more properties of the set of speakers and/or one or more external inputs.

A method provides binaural sound to a listener while the listener watches a movie so sounds from the movie localize to a location of a character in the movie. Sound is convolved with head related transfer functions (HRTFs) of the listener, and the convolved sound is provided to the listener who wears a wearable electronic device.

A mobile computing device that provides location information through directional sound is described herein. The mobile computing device includes a location detection system that provides location signals corresponding to a user location and a destination location, such as a vehicle location or a vertex of a predefined travel route, to a spatial audio generation system to define a spatial audio signal based on a direction from the user location to the destination location. The spatial audio signal is provided to an audio device of the mobile computing device that outputs the spatial audio signal as directional sound having a locus at the destination location.

In at least one embodiment, an audio system is provided. At least one controller is programmed to encode a first and second audio component and to generate a first and a second encoded audio component. The at least one controller is programmed to apply a first gain to at least one of the first encoded audio component and the second encoded audio component to generate at least one of a first and second increased encoded audio component and to decode the at least one of the first and the second increased encoded audio component to generate at least one of a first and second decoded audio component. The at least one controller is further programmed to amplitude pan the at least one of the first and the second decoded audio component to increase a stereo width for an audio output transmitted by a first loudspeaker and a second loudspeaker.

A remote assistance system comprises a remote facility configured to assist an operation of a vehicle. A processor of the vehicle executes data processing of surrounding environment data of the vehicle, and transmission processing to transmit data for communication indicating the processed data by the data processing to the remote facility. The surrounding environment data includes sound data of the surrounding environment of the vehicle. In the data processing of the surrounding environment data, a type of a sound source included in sound data is estimated by an acoustic analysis of the said sound data. Subsequently, identification data corresponding to the estimated type is specified by referring to a database of the vehicle using the estimated type, and this is added to the data for communication.

A statistical audibility prediction (SAP) method for predicting the audibility of a signal over time at a listening location, the signal from a signal source in the presence of a concurrent masking sound or masker from a masker source. The method includes receiving, via a processor over a plurality of auditory channels, a specific loudness of the signal and masker at the listening location. The method includes calculating for each auditory channel a standard deviation of a distribution of the specific loudness of the signal and masker, and calculating, via the processor, corresponding channel-specific detectability indices (d′.sub.t,i) for each auditory channel as a function of their standard deviations. The corresponding channel-specific detectability indices are then summed to produce a total detectability index (d′.sub.t), which may be output as an electronic signal that indicates the predicted audibility vs. time, e.g., to a downstream process and/or system or offline.

Certain embodiments relate generally to modifying audio playing on a first device based on detection of that audio by a second device. Other embodiments relate to transferring audio between a first device and a second device. More particularly, audio playing from a first device may be muted, stopped, or adjusted in volume based on detection of that audio by, or interaction with, a second device. Likewise, audio may be transferred from a first device to a second device based on communications between the first and second devices, proximity of the first and second devices relative to one another, proximity of a user to either the first or second device, and so on.