Hi Sir,
I hope you are well.
I am a transcription expert. I have read your project description attentively. Now, I conform you that I could transcribe you half hour audio file in 1-1.5 hour maximum. Because, I could transcribe 750-1000 word per hour. So, please contact me to see my sample work. I am sure that you find me the world's fast transcriber. Thanks.
Your obedient,
Nur