I did not have that issue, but there were some other shoppers whose audio was borderline. Are you saying some of yours were accepted and some not? And if some were rejected did they indicate there were audio problems prior to you completing all the shops? If the audio seems to be the same for all of them and only a few were rejected it is time to contact someone and find out what is up.
Equal rights for others does not mean fewer rights for you. It's not pie.
"I prefer someone who burns the flag and then wraps themselves up in the Constitution over someone who burns the Constitution and then wraps themselves up in the flag." -Molly Ivins
Never try to teach a pig to sing. It's a waste of your time and it really annoys the pig.