Update README.md

README.md

@@ -89,21 +89,24 @@ The audio and transcriptions are in English, as per the TED talks at http://www.
 - speaker_id: unique id of the speaker. The same speaker id can be found for multiple data samples.
 
 ### Data Splits
+There are three releases for the TED-LIUM corpus, progressively increasing the number of transcribed speech training data from 118 hours (Release 1), to 207 hours (Release 2), to 452 hours (Release 3).
 
-Release 1 (default config):
-- The first release of the TED-LIUM corpus, consisting of English-language TED talks with accompanying transcriptions, sampled at 16kHz.
-- It contains about 118 hours of speech.
+Release 1 (default config) 2012:
+- 774 audio talks and automatically aligned transcriptions.
+- Contains 118 hours of speech audio data.
 - Homepage: https://www.openslr.org/7/
 
 Release 2:
-- 1495 audio talks and their automatically aligned transcriptions.
+- 1495 audio talks and automatically aligned transcriptions.
+- Contains 207 hours of speech audio data.
 - Dictionary with pronunciations (159848 entries).
 - Selected monolingual data for language modeling from WMT12 publicly available corpora.
 - Homepage: https://www.openslr.org/19/
 
 Release 3:
 
-- 2351 audio talks and their automatically aligned transcriptions, totalling 452 hours of audio.
+- 2351 audio talks and automatically aligned transcriptions.
+- Contains 452 hours of speech audio data.
 - TED-LIUM 2 validation and test data: 19 TED talks with their corresponding manual transcriptions.
 - Dictionary with pronunciations (159848 entries), the same file as the one included in TED-LIUM 2.
 - Selected monolingual data for language modeling from WMT12 publicly available corpora: these files come from the TED-LIUM 2 release, but have been modified to produce a tokenization more relevant for English language.