How can I add an echo to an audio file and control the SER (signal to echo ratio) with MATLAB?

I can add echo to the audio through convolution. But I don't know how to adjust SER. What should I do?

Answer 1

[Kiran Felix Robert]

Hi Seoungyook,

You can adjust the scaling factor (Gain/Attenuation of the reflected signal) of the delayed signal to tune your Signal-to-Echo Ratio.

[Seoungyook Youn]

Thank you for the answer.