vosk_json_to_srt.py

import json
import pandas as pd
import datetime

def fmttime(sec):
    secs = sec#millisecs / 1000.0
    d = datetime.timedelta(seconds=secs)
    t = (datetime.datetime.min + d).time()
    milli = t.strftime('%f')[:3]
    value = t.strftime('%H:%M:%S,') + milli
    return value

with open('vosk.json','r') as f:
    #lines = f.readlines()
    jso = pd.read_json(f)
    #j = pd.io.json.json_normalize(jso)
caption=[]
lineNum=1
for i,v in enumerate(jso.result):
    
    laststart = v['start']
    lastend = v['end']
    caption.append(v['word'])

    if len(caption) == 1:
        start = v['start']

    if v['start'] - lastend > 1:
        print(lineNum)
        print(fmttime(laststart),'-->',fmttime(lastend))
        temp = caption.pop()
        print(*caption)
        print()
        caption.clear()
        start = v['end']
        lineNum +=1
        caption.append(temp)

    if v['end'] - start > 2:
        print(lineNum)
        print(fmttime(start),'-->',fmttime(v['end']))
        print(*prev)
        print(*caption)
        print()
        prev = copy.deepcopy(caption)
        caption.clear()
        start = v['end']
        lineNum +=1