In these prayers, the person praying says the "Al-Fatiha", the word "Aamen"
after it, and the verses afterwards in a loud voice in the first two Rakkaths
Soft Recitation
Noon(Dhuhr)
Mid-afternoon(Asr)
In these prayers, the person praying praying does not say anything in a loud voice.
However, he has to hear his recitation
If a prayer was not done in it's due time, the person has to make it up.
If a person missed one of the loud recitation prayer like the dawn prayer, and
prayed it at the time of a soft recitation prayer like the noon prayer, he does it
with a low voice, before praying the noon prayer.
But if a person who missed a loud recitation prayer like the sunset prayer,
and prays it at the time of another loud recitation prayer like the nightfall prayer,
then he does it loudly.
Also if a person missed one of the soft recitation prayers like the
mid-afternoon prayer and made it up in the time of a loud recitation prayer
like the sunset prayer, then he prays it loudly as well