Vehicular threat detection based on audio signals

摘要

Techniques for ability enhancement are described. Some embodiments provide an ability enhancement facilitator system (“AEFS”) configured to enhance a user's ability to operate or function in a transportation-related context as a pedestrian or a vehicle operator. In one embodiment, the AEFS is configured perform vehicular threat detection based at least in part on analyzing audio signals. An example AEFS receives data that represents an audio signal emitted by a vehicle. The AEFS analyzes the audio signal to determine vehicular threat information, such as that the vehicle may collide with the user. The AEFS then informs the user of the determined vehicular threat information, such as by transmitting a warning to a wearable device configured to present the warning to the user.

主权项

1. A method for enhancing ability in a transportation-related context, the method comprising:
receiving data representing an audio signal obtained in proximity to a user, the audio signal emitted by a first vehicle; determining vehicular threat information based at least in part on the data representing the audio signal, wherein the determining vehicular threat information includes:
performing acoustic source localization to determine a position of the first vehicle based on the audio signal emitted by the first vehicle measured via multiple microphones. wherein the performing acoustic source localization includes triangulating the position of the first vehicle based on a first and second angle, wherein the first angle is measured between a first one of the multiple microphones and the first vehicle, wherein the first angle is based on the audio signal emitted by the first vehicle as measured by the first microphone, wherein the second angle is measured between a second one of the multiple microphones and the first vehicle. wherein the second angle is based on the audio signal emitted by the first vehicle as measured by the second microphone; determining vehicular threat information related to factors other than ones related to the first vehicle, by:
determining that poor surface conditions exist on a road traveled by the user by considering weather conditions, temperature, road surface type, and foreign materials on the road; and presenting the vehicular threat information via a visual display device and/or an audio output device of a wearable device of the user by presenting a visual and/or audio message directing the user to accelerate, decelerate, or turn.