Abstract: In at least one embodiment, an audio system including a first loudspeaker and a second loudspeaker and at least one controller is provided. The first loudspeaker transmits a first audio signal including a first signature tone into a listening environment. The second loudspeaker transmits a second audio signal including a second signature tone into the listening environment and receive the first audio signal including and the first signature tone. The second loudspeaker receives the second audio signal including the second signature tone after transmitting the second signature tone into the listening environment and determines an estimated distance between the first loudspeaker and the second loudspeaker based at least on the first signature tone and the second signature tone. The second loudspeaker performs a time frequency masking operation to extract a least one of the first signature tone and the second signature tone from the noisy and reverberant mixture.

Abstract: Methods and systems for configuring an acoustic device network are provided. In one example, a method comprises: connecting a first device (e.g., a mobile device with audio control software) and a second device (e.g., a primary audio device) to a network; transmitting a first audio signal with a third device (e.g., a secondary audio device), wherein the first audio signal is encoded with a network address of the third device. This first audio signal may be detected and the network address decoded on the second device; the second device may transmit a connection request to the first device; in response to a confirmation of connection received by the first device, a second audio signal may be transmitted with the second device, wherein the second audio signal is encoded with network credentials of the network; this second audio signal may be detected and the network credentials decoded with the third device.

Abstract: An audio system is provided. The audio system includes a plurality of loudspeakers and a mobile device. The plurality of loudspeakers is capable of being positioned in a listening environment and being arranged to transmit an audio signal in the listening environment. Each loudspeaker is programmed to determine angle information of the audio signal as received at the loudspeaker relative to other loudspeakers of the plurality of loudspeakers and to transmit a first signal indicative of the angle information. The mobile device is programmed to receive the first signal from each of the loudspeakers and to determine a location for each loudspeaker in the listening environment based at least on the angle information.

Abstract: In at least one embodiment, an audio system including a first loudspeaker and a second loudspeaker and at least one controller is provided. The first loudspeaker transmits a first audio signal including a first signature tone into a listening environment. The second loudspeaker transmits a second audio signal including a second signature tone into the listening environment and receive the first audio signal including and the first signature tone. The second loudspeaker receives the second audio signal including the second signature tone after transmitting the second signature tone into the listening environment and determines an estimated distance between the first loudspeaker and the second loudspeaker based at least on the first signature tone and the second signature tone. The second loudspeaker performs a time frequency masking operation to extract a least one of the first signature tone and the second signature tone from the noisy and reverberant mixture.

Abstract: An audio system is provided that includes a first loudspeaker and a second loudspeaker. The first loudspeaker transmits an audio signal including audio data and a signature tone into a listening environment. The second loudspeaker includes at least one controller programmed to receive the audio signal including the audio data and the signature tone and to determine a direction of arrival (DOA) of the audio signal as received at the second loudspeaker based at least on the signature tone. The at least one controller is further programmed to perform a time frequency masking operation on the received audio signal prior to determining the DOA of the audio signal.

Abstract: Techniques for image scaling using enrollment are described. In some embodiments, the techniques include acquiring one or more images of a user, and processing the one more images to determine three-dimensional positions of ears of the user based on a three-dimensional enrollment head geometry of the user. The three-dimensional enrollment head geometry is determined based on one or more enrollment images of the user. The techniques further include processing one or more audio signals to generate one or more processed audio signals based on the three-dimensional positions of the ears.

Abstract: In various embodiments, a computer-implemented method for audio processing based on a head pose of a user comprises acquiring one or more images of a user, processing the one or more images to identify a plurality of face landmarks representing locations on a head of the user, selecting, from the plurality of face landmarks and based on an estimated head pose of the user, a set of one or more landmark pairs, determine, based on the set of landmark pairs, three-dimensional positions of ears of the user; and processing one or more audio signals to generate one or more processed audio signals based on the three-dimensional positions of the ears.

Abstract: Techniques for image scaling based on emotion detection are described. In some embodiments, the techniques include acquiring one or more images of a user, processing the one more images to generate emotion-specific three-dimensional (3D) positions of ears of the user based on a 3D head geometry and an emotion of the user, where the emotion is identified based on the one or more images of the user, and processing one or more audio signals to generate one or more processed audio signals based on the three-dimensional positions of the ears. Further embodiments include systems and non-transitory computer-readable media that perform the steps of the method.

Abstract: An audio system is provided that includes a loudspeaker, at least one microphone, and at least one controller. The loudspeaker transmits an audio signal into a listening environment defined by at least one wall in a room. The at least one microphone is positioned on the loudspeaker and is configured to capture a reverberated audio signal including a plurality of reverberations and a plurality of peaks. The reverberated audio signal is indicative of the audio signal being reflected from the at least one wall. The at least one controller is programmed to apply a confidence score to the plurality of peaks to obtain a maximum score which is indicative of a maximum peak of the audio signal that is reflected from the at least one wall and determine a distance between the loudspeaker and the wall based at least on the maximum score.

Abstract: In various embodiments, a method for estimating a room layout includes receiving candidate wall distance estimates for walls in an acoustic environment and confidence scores; receiving device location data for devices; determining, based on the device location data, a location of each wall relative to each audio processing device; generating a room layout matrix that includes the candidate wall distance estimates, wherein each row of the room layout matrix is associated with a respective device and each column is associated with a respective wall and each of the candidate wall distance estimates is associated with the respective walls based on the confidence scores; determining, based on a highest confidence score in each column of the room layout matrix and the location data, a set of wall distance estimates from an ordinal device; and determining, based on the set of wall distance estimates, room layout estimates of the acoustic environment.

Abstract: In various embodiments, a computer-implemented method comprises emitting a reference audio signal using one or more speakers of an audio processing device located in an acoustic environment, receiving, by each microphone in a microphone pair of the audio processing device, a response of the acoustic environment to the reference audio signal, determining an impulse response of the acoustic environment based on the reference audio signal and the received response of the acoustic environment, determining, based on the impulse response, a plurality of candidate wall distance estimates and a plurality of confidence scores, and determining based on the plurality of candidate wall distance estimates and confidence scores, including candidate wall distance estimates and confidence scores from one or more other audio processing devices, a set of wall distance estimates, each wall distance estimate in the set of wall distance estimates being associated with a different wall in a plurality of walls.

Abstract: An audio system is provided that includes a first loudspeaker and a second loudspeaker. The first loudspeaker transmits an audio signal including audio data and a signature tone into a listening environment. The second loudspeaker includes at least one controller programmed to receive the audio signal including the audio data and the signature tone and to determine a direction of arrival (DOA) of the audio signal as received at the second loudspeaker based at least on the signature tone. The at least one controller is further programmed to perform a time frequency masking operation on the received audio signal prior to determining the DOA of the audio signal.

Abstract: An audio system is provided that includes a loudspeaker, at least one microphone, and at least one controller. The loudspeaker transmits an audio signal into a listening environment defined by at least one wall in a room. The at least one microphone is positioned on the loudspeaker and is configured to capture a reverberated audio signal including a plurality of reverberations and a plurality of peaks. The reverberated audio signal is indicative of the audio signal being reflected from the at least one wall. The at least one controller is programmed to apply a confidence score to the plurality of peaks to obtain a maximum score which is indicative of a maximum peak of the audio signal that is reflected from the at least one wall and determine a distance between the loudspeaker and the wall based at least on the maximum score.

Abstract: An audio system is provided. The audio system includes a plurality of loudspeakers and a mobile device. The plurality of loudspeakers is capable of being positioned in a listening environment and being arranged to transmit an audio signal in the listening environment. Each loudspeaker is programmed to determine angle information of the audio signal as received at the loudspeaker relative to other loudspeakers of the plurality of loudspeakers and to transmit a first signal indicative of the angle information. The mobile device is programmed to receive the first signal from each of the loudspeakers and to determine a location for each loudspeaker in the listening environment based at least on the angle information.