sentiment analysis in amazon comprehend

Can we give the audio format as input file into amazon comperhend for sentiment analysis. Instead, of using the amazon Transcribe to convert the audio to text and pass that text file to amazon comperhend it was taking 4-6 mins to do this process.

" I have tried to create the job in comperhend using the audio file as input the job was completed successfully but it the sentiment analysis file I am getting Unsupported format".