EMBEDDING INFORMATION IN GENERATED ACOUSTIC SIGNALS

摘要

Methods, apparatus, systems and articles of manufacture (e.g., physical storage media) to embed information in generated acoustic signals are disclosed. Example methods disclosed herein to embed information in an acoustic signal output from an electric vehicle include obtaining a first audio signal to be used to generate the acoustic signal. Such example also include combining a second signal with the first audio signal, the second signal to convey first digital information that, when detected, indicates a presence of the electric vehicle. Such example methods further include providing the first audio signal with the second signal to an audio circuit that is to output the acoustic signal from the electric vehicle.

主权项

1. A method to embed information in an acoustic signal output from an electric vehicle, the method comprising:
obtaining a first audio signal to be used to generate the acoustic signal; combining a second signal with the first audio signal, the second signal to convey first digital information that, when detected, indicates a presence of the electric vehicle; and providing the first audio signal with the second signal to an audio circuit that is to output the acoustic signal from the electric vehicle.