Audio processing and translation into text format

There is audio recording from the microphone of disgusting quality for about 190 hours. Two-thirds of the silence. From what is not silence is required to strengthen, clean, filter and highlight speech, conversations, etc. All conversations must be entered in the Exel file in a certain format.
Routine work for a month. Budget 40,000 Rp. The volume can be closed in parts. Payment by card or electronic money.
To select the artist, I will provide a small recording segment.