ktests: Fix specific audio questions

Improved PlayHT/AI TTS outputs Replaced problematic sentences

ktests: Fix specific audio questions
b4cf3484 · Serge Bibauw · 20feb55f · b4cf3484 · b4cf3484 · b4cf3484
--- a/frontend/static/surveys/items/10500/q.mp3
+++ b/frontend/static/surveys/items/10500/q.mp3
--- a/frontend/static/surveys/items/10501/q.mp3
+++ b/frontend/static/surveys/items/10501/q.mp3
--- a/frontend/static/surveys/items/10560/q.mp3
+++ b/frontend/static/surveys/items/10560/q.mp3
--- a/frontend/static/surveys/items/10561/q.mp3
+++ b/frontend/static/surveys/items/10561/q.mp3
--- a/frontend/static/surveys/items/10660/q.mp3
+++ b/frontend/static/surveys/items/10660/q.mp3
--- a/frontend/static/surveys/items/10661/q.mp3
+++ b/frontend/static/surveys/items/10661/q.mp3
--- a/frontend/static/surveys/items/10680/q.mp3
+++ b/frontend/static/surveys/items/10680/q.mp3
--- a/frontend/static/surveys/items/10681/q.mp3
+++ b/frontend/static/surveys/items/10681/q.mp3
--- a/frontend/static/surveys/items/10770/q.mp3
+++ b/frontend/static/surveys/items/10770/q.mp3
--- a/frontend/static/surveys/items/10771/q.mp3
+++ b/frontend/static/surveys/items/10771/q.mp3
--- a/frontend/static/surveys/items/10800/q.mp3
+++ b/frontend/static/surveys/items/10800/q.mp3
--- a/frontend/static/surveys/items/10801/q.mp3
+++ b/frontend/static/surveys/items/10801/q.mp3
--- a/frontend/static/surveys/items/10810/q.mp3
+++ b/frontend/static/surveys/items/10810/q.mp3
--- a/frontend/static/surveys/items/10811/q.mp3
+++ b/frontend/static/surveys/items/10811/q.mp3
--- a/frontend/static/surveys/items/10830/q.mp3
+++ b/frontend/static/surveys/items/10830/q.mp3
--- a/frontend/static/surveys/items/10831/q.mp3
+++ b/frontend/static/surveys/items/10831/q.mp3
--- a/frontend/static/surveys/items/10850/q.mp3
+++ b/frontend/static/surveys/items/10850/q.mp3
--- a/frontend/static/surveys/items/10851/q.mp3
+++ b/frontend/static/surveys/items/10851/q.mp3