Need Help with Voiceovers

Is there anyway how to change the League of Legends Voice Overs? If yes, where is the location of the voiceover files and how can i open them? I just want to edit some voices in LoL so pls help me :)

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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