| 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.
|
- The dataset is split into 3 sections with 100.6, 363.6, 496.7 hours of speech.
- The gender ratio of speakers is about half and half.
- The size of most audio files is less than 500kb.
|
Comparison Between Transcription and Original Transcripts
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
|