Update README.md

README.md

@@ -331,7 +331,7 @@ Another recommended option is to use a json manifest as input, where each line i
 # Example of a line in input_manifest.json
 {
     "audio_filepath": "/path/to/audio.wav",  # path to the audio file
-    "duration": None,  # duration of the audio
+    "duration": 1000,  # duration of the audio
     "taskname": "asr",  # use "ast" for speech-to-text translation
     "source_lang": "en",  # language of the audio input, set `source_lang`==`target_lang` for ASR, choices=['en','de','es','fr']
     "target_lang": "en",  # language of the text output, choices=['en','de','es','fr']
@@ -363,7 +363,7 @@ An example manifest for transcribing English audios can be:
 # Example of a line in input_manifest.json
 {
     "audio_filepath": "/path/to/audio.wav",  # path to the audio file
-    "duration": None,  # duration of the audio
+    "duration": 1000,  # duration of the audio
     "taskname": "asr",  
     "source_lang": "en", # language of the audio input, set `source_lang`==`target_lang` for ASR, choices=['en','de','es','fr']
     "target_lang": "en", # language of the text output, choices=['en','de','es','fr']
@@ -380,7 +380,7 @@ An example manifest for transcribing English audios into German text can be:
 # Example of a line in input_manifest.json
 {
     "audio_filepath": "/path/to/audio.wav",  # path to the audio file
-    "duration": None,  # duration of the audio
+    "duration": 1000,  # duration of the audio
     "taskname": "ast",  
     "source_lang": "en", # language of the audio input, choices=['en','de','es','fr']
     "target_lang": "de", # language of the text output, choices=['en','de','es','fr']