If your audio quality is excellent, you can use the software for audio transcription.
http://audacity.sourceforge.net/
If your audio files quality is OK or verbatim audio better to go for manual audio transcription. For multiple speakers audio files, better to go for manual audio transcription.

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If your audio quality is excellent, you can use the software to transcribe the interview. If your audio files quality is OK or verbatim audio better go for manual transcription services. For multiple speakers audio files, better go for manual interview transcription services.


*link removed*

It is all depends on your specialization. Specify your specialization, so that we can suggest.

Normally, The outline of the synopsis are

Introduction
Motivation
Objectives and Scope
Conclusion
List of Publications based on the research work
References
Proposed contents of the thesis

Authoring a PhD: How to Plan, Draft, Write and Finish a Doctoral Thesis or Dissertation .

This book also good.