With traditional audio guide devices you don’t have to worry much about the structure of the content: usually visitors type the number of an exhibit on the device’s keypad and receive the corresponding audio explanation.
Most digital audio guides (whether apps or PWAs) also offer the ability to type in a number to reach a specific content. But with touch screens all the content is in full view of the visitor, so with the rise of digital audio guides the structure of the content of an audio tour has become an important aspect to think about. Organizing the audio guide content in the limited space of a mobile screen represents a challenge, especially when there are multimedia elements that go beyond the conventional audio tracks, such as videos, image sliders, etc.
Here a few tips: