Getting irritated by such things could be because of some underlying stress.
Not being able to concentrate and getting distracted easily is also a sign of distress.
There must be some underlying reason because of which you are suffering from this.
Next Steps
Consult a licensed psychologist
Health Tips
1. Try to give some time to things you enjoy.
2. During time of irritation, try doing basic breathing exercise. This helps in reducing anxiety immediately.
3. make a list of noises /sounds which irritate you and at what time ? Are there any triggers?
and then discuss them with your therapist.
4. Are they real sounds? coming from inside your head or outside?