I have a scenario where there are multiple audio files (more than 10000) and I need to find a solution to check that whether all audios are playing well on browsers.. Can someone please suggest how can I do it in selenium or any workaround for this.
As @ramnath said, it would be better if you provide more information about the audio player. In the worst case, where you won't be able to assert automatically the audio, you can automate part of the testing implementing something like the Cucumber's method ask.
See more information in this link: http://technicaldebt.com/manual-cucumber-tests/
Although it won't be as fast as a computer, this "semi-automated" test can be done with better reliability.