You might be interested to know that the Turn Touch homepage starts playing audio as soon as it is opened. This was enough for me to close it and never come back, and I think this sentiment is reasonably widespread.
I'm genuinely curios about the reason some people decide to add audio (or video for that matter, but audio is way worse) on autoplay. Do you enjoy when web pages you visit do it? Did you see from some kind of metric that it increases your sales?