We have no way to measure this, but common logic would suggest that there _is_ a negative effect there too. Imagine a junior sysadmin coming over the manager's desk and suggesting to use a tool that sounds like someone profusely swearing in Parseltongue.
But that's a secondary concern compared to not being promote product through any channels with an audio track.
Look into usability testing or panels. You can create tests where people are asked to read or listen to sets of company names, do a minute of tasks, and be asked to recall company names based on their services. Relatively cheap to do in Amazon Turk.
It's one thing to say "Sponsored by Apple" and another "Sponsored, erm, by Q-Z-W-C-K-I, which is actually much better than what its name might imply". The less friction there is, the better. Especially for placements that last mere seconds.
Lots of companies spell out their names on podcasts. I think it's unfair to compare your brand to the most recognized brand in the world. You should really do some testing to see how random people perceive it.
But that's a secondary concern compared to not being promote product through any channels with an audio track.