Utility to compare output transcript to reference

Uses Ukkonen algorithm to efficiently compute Leveshtein distance and character error rate (CER).

Additionally it can output alignment information.

Usage

Usage: transcribe-compare [OPTIONS]

  Transcription compare tool provided by VoiceGain

Options:
  -r, --reference TEXT            source string
  -o, --output TEXT               target string
  -R, --reference_file FILENAME   source file path
  -O, --output_file FILENAME      target file path
  -a, --alignment                 Do you want to see the alignment result?
                                  True/False
  -e, --error_type [CER|WER]
  -j, --output_format [JSON|TABLE]
  -l, --to_lower                  Do you want to lower all the words?
                                  True/False
  -p, --remove_punctuation        Do you want to remove all the punctuation?
                                  True/False
  --help                          Show this message and exit.

Dependencies

• click
• inflect
• re

Sample Commands

python transcribe-compare -R sample_data/The_Princess_and_the_Pea-reference.txt -O sample_data/The_Princess_and_the_Pea-output-1.txt -e CER

Acknowledgements

Contributed by VoiceGain.

VoiceGain provides Deep-Neural-Network-based Speech-to-Text (ASR) both in Cloud and On-Prem. Acessible via Web API or MRCP interface.

License

MIT © VoiceGain