Q: Is echo a reflection of sound that arrives at the listener with a delay after the direct sound? ¶
A: Yes.
Q: Is echo frequently measured in dB sound pressure level relative to the directly transmitted wave? ¶
A: Yes.
Q: Is echo a single reflection of the sound source? ¶
A: Yes.
Q: Is echo formed? ¶
A: Yes.
Q: Is echo characterized as a reverberation? ¶
A: Yes.