Related Clues:

• That gives one sound backing
• That's a comeback, by the sound of it
• You get a sound return from this
• This will give one a good return by the sound of it
• Hoe about a hundred such and you'll get some return from it
• It sounds as if this is the way it'll get back to you
• Aural comeback
• Footsteps-in-an-empty-hallway sound
• Yodeler's effect
• Sonic copy
• That's the return you get, by the sound of it
• That's some speech, on reflection
• Aural reflection
• Repeating sound
• Comeback?