I am currently using Google's speech API and I a wondering is I can edit the length of the FLAC file that I am inputting into the program. e.g. I have a 7:30 length mp3 with 2 audio channels and I need it to be a 1 channel mono FLAC file with the length of 3 minutes for it to be input into the speech to text API.
Does it have to be done in Python as the headline says? If its OK to do the conversion on a command line you could use a tool like sox. For example:
sox audio.flac audio-short-mono.flac trim 0 180 remix 1,2
The trim 0 180 option crops the audio to 180 seconds, and remix 1,2 combines the two channels into one.