Librispeech

Dataset name	Type of data	Annotation remarks	License	Metadata
LibriSpeech	FLAC	The audio file and the transcription file are stored under the same directory. There are multiple audio files and only one txt file which is the transcription. And in the transcription file, the transcription for each audio is in separate lines.	Creative Commons Attribution 4.0 International License.	Sampling rate: 16 kHz Download size: 57.14 GiB

Performance Difference in WER Between APIs

Material source: LibriSpeech-dev-clean-1272-128104

	Google WER	Whisper WER
1272-128104-0000.flac	23.52941176	17.64705882
1272-128104-0001.flac	40	20
1272-128104-0002.flac	21.875	12.5
1272-128104-0003.flac	29.16666667	16.66666667
1272-128104-0004.flac	33.82352941	26.47058824
1272-128104-0005.flac	16.66666667	16.66666667
1272-128104-0006.flac	50	33.33333333
1272-128104-0007.flac	5.263157895	21.05263158
1272-128104-0008.flac	45.45454545	45.45454545
1272-128104-0009.flac	37.20930233	13.95348837
1272-128104-0010.flac	26.66666667	20
1272-128104-0011.flac	52.94117647	14.70588235
1272-128104-0012.flac	33.33333333	33.33333333
1272-128104-0013.flac	33.33333333	16.66666667
1272-128104-0014.flac	75	25

Comparison Between Transcription and Original Transcript using Google API

• Transcription (Reader: Xueying Liu)
• Actual sentence and comparison
• Transcription (Reader: Jingxuan Yue)
• Actual sentence and comparison
• Transcription (Reader: M.Tepei)
• Actual sentence and comparison

Contributors

• Yuxing Ouyang
• Xiaoling Lin
• Xueying Liu
• Jingxuan Yue
• M.Tepei