add voxceleb dataset and trial info, test=doc

examples/voxceleb/README.md

@@ -26,3 +26,31 @@ ffmpeg -y -i %s -ac 1 -vn -acodec pcm_s16le -ar 16000 %s
 You can do the conversion using ffmpeg  https://gist.github.com/seungwonpark/4f273739beef2691cd53b5c39629d830). This operation might take several hours and should be only once.
 
 3. Put all the wav files in a folder called `wav`. You should have something like `voxceleb2/wav/id*/*.wav` (e.g, `voxceleb2/wav/id00012/21Uxsk56VDQ/00001.wav`)
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+## voxceleb dataset summary
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+|dataset | vox1 - dev | vox1 - test |vox2 - dev| vox2 - test|
+|---------|-----------|------------|-----------|----------|
+|spks    |  1211       |40     |      5994        | 118|
+|utts     | 148642    | 4874   | 1092009     |36273|
+| time(h) | 340.4 | 11.2  | 2360.2  |79.9 |
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+## trial summary
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+| trial     | filename |  nums | positive | negative |
+|--------|-----------|--------|-------|------|
+| VoxCeleb1 | veri_test.txt | 37720 | 18860 | 18860 | 
+| VoxCeleb1(cleaned) | veri_test2.txt | 37611 | 18802 | 18809 |
+| VoxCeleb1-H | list_test_hard.txt | 552536 | 276270 | 276266 |
+|VoxCeleb1-H(cleaned) |list_test_hard2.txt | 550894 | 275488 | 275406 |
+|VoxCeleb1-E | list_test_all.txt | 581480 | 290743 | 290737 | 
+|VoxCeleb1-E(cleaned) | list_test_all2.txt |579818 |289921 |289897 |
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