Unable to register bixby voice

[mad488]

 I try to enable bixby, but i could not registrar my voice, 

[ヅFᴇᴅʀᴏɴ]

Re-Register Voice:

1.Open Bixby

2.Tap the 3-dot menu > Settings > Voice Wake-up

3.Tap Reset Voice Model, then Register again

Make sure you’re in a quiet place when recording

[mad488]

Tx ,I tried, but still not working