Amazon Technologies, Inc.

Fengliang Xu

Ivan Eduardo Gonzalez

Jordan Bubica

Dhaval Parekh

Derek Andrew Scholten

Anjaneya Varma Alluri

Vamshi Mannam

Disclosed are various embodiments for detecting item scans with audio signal processing. A first machine-readable identifier may be rendered in a display device associated with at least one computing device, where the first machine-readable identifier is associated with a first item in a list of items. An audio signal may be captured using a microphone and analyzed to identify a predetermined tone in the audio signal indicative of a scan being performed on a register device. In response to the predetermined tone in the audio signal being identified, the first machine-readable identifier may be replaced with a second machine-readable identifier in the display device, where the second machine-readable identifier is associated with a second item in the list of items.

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San Jose, CA, United States of America

Fengliang Xu