Table 1 The platform and tools used.
From: A novel approach for audible acoustic quick response codes
Platform and tool | Function |
|---|---|
Pickup: Huishengyue USB-10 | Pick up sound |
SAST loudspeaker: A90, 15 inches | Play an audio |
Overture 52 | Execute step 2 of the new method |
MidiEditor3 | Execute step 3 of the new method |
Bideyuanli4 online tool | Execute step 3 of the new method |
Experimental platform establish by us, (see Fig. 2) | Execute step 1 and step 4 of the new method |
Sound Meter5 app | Test sound volumes at the pickup |
