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---
license: mit
language:
- es
- eu
pretty_name: Albayzin 2024 Bilingual Basque-Spanish Speech to Text (BBS-S2T) Challenge
---
# Albayzin 2024 Bilingual Basque-Spanish Speech to Text (BBS-S2T) Challenge

**see [Albayzin_2024_BBS-S2T_EvalPlan](Albayzin_2024_BBS-S2T_EvalPlan.pdf) for a description of the challenge.**

**NOTE: Test data will be released on September 2nd, 2024.**

The **Albayzin 2024 Bilingual Basque-Spanish Speech to Text (BBS-S2T) Challenge**
training and tuning set is based on the [gttsehu/basque_parliament_1](https://huggingface.co./datasets/gttsehu/basque_parliament_1)
dataset. The database consists of four splits:

1. train : 749945 audio segments (automatically extracted)
2. train_clean : 661871 audio segments (automatically extracted, highly reliable transcriptions)
3. dev : 4095 audio segments (manually validated)
4. test : 5152 audio segments (manually validated)

## How to download the [basque_parliament_1](https://huggingface.co./datasets/gttsehu/basque_parliament_1) database

**1 - If you can handle yourself comfortably with Huggingface Datasets:**
```
from datasets import load_dataset
ds = load_dataset("gttsehu/basque_parliament_1")
```
The Dataset contains four splits:
```
DatasetDict({
    train: Dataset({
        features: ['path', 'audio', 'sentence', 'speaker_id', 'language', 'PRR', 'length'],
        num_rows: 749945
    })
    train_clean: Dataset({
        features: ['path', 'audio', 'sentence', 'speaker_id', 'language', 'PRR', 'length'],
        num_rows: 661871
    })
    validation: Dataset({
        features: ['path', 'audio', 'sentence', 'speaker_id', 'language', 'PRR', 'length'],
        num_rows: 4095
    })
    test: Dataset({
        features: ['path', 'audio', 'sentence', 'speaker_id', 'language', 'PRR', 'length'],
        num_rows: 5152
    })
})
```
**NOTE:** The `validation` split corresponds with the `dev` split of this challenge.

**2 - Manual download:**
```
git clone https://huggingface.co./datasets/gttsehu/basque_parliament_1
```
**NOTE:** [git-lfs](https://git-lfs.com) must be installed to be able to handle
the download of the large tar files (which include the audio files).

Downloaded database structure:
```
basque_parliament_1/
β”œβ”€β”€ audio
β”‚Β Β  β”œβ”€β”€ dev_0.tar
β”‚Β Β  β”œβ”€β”€ test_0.tar
β”‚Β Β  β”œβ”€β”€ train_0.tar
β”‚Β Β  β”œβ”€β”€ train_10.tar
β”‚Β Β  β”œβ”€β”€ train_1.tar
β”‚Β Β  β”œβ”€β”€ train_2.tar
β”‚Β Β  β”œβ”€β”€ train_3.tar
β”‚Β Β  β”œβ”€β”€ train_4.tar
β”‚Β Β  β”œβ”€β”€ train_5.tar
β”‚Β Β  β”œβ”€β”€ train_6.tar
β”‚Β Β  β”œβ”€β”€ train_7.tar
β”‚Β Β  β”œβ”€β”€ train_8.tar
β”‚Β Β  └── train_9.tar
β”œβ”€β”€ basque_parliament_1.py
β”œβ”€β”€ languages.py
β”œβ”€β”€ metadata
β”‚Β Β  β”œβ”€β”€ dev.tsv
β”‚Β Β  β”œβ”€β”€ test.tsv
β”‚Β Β  β”œβ”€β”€ train_clean.tsv
β”‚Β Β  └── train.tsv
β”œβ”€β”€ README.md
└── release_stats.py
```
Untar all audio files:
```
ls basque_parliament_1/audio/*.tar | xargs -i tar -xC basque_parliament_1/audio -f {}
```

The `metadata` directory contains the index files for the 4 splits. Each index file 
contains five tab separated fields:

1. The audio file path
2. The language of the segment (`es`: spanish, `eu`: basque and `bi`: bilingual)
3. The speaker id
4. The PhoneRecognitionRate indicating the quality of the transcription
5. The length of the segment (in seconds)
6. The transcription 

```
path    language        speaker_id      PRR     length  sentence
10-007_20130124_01/10-007_20130124_01_83.92_93.84.mp3   eu      0       100.00  9.92    egun on guztioi bilkurari hasiera emango diogu gai zerrendako lehenengo puntua bateraezintasunen
10-007_20130124_01/10-007_20130124_01_95.49_105.34.mp3  eu      416     100.00  9.85    euskadiren izeneko senatari izendatzeko hautagaien bateragarritasun egoerari buruz eztabaida eta behin betiko ebazpena eta hala badagokio senatariak
10-007_20130124_01/10-007_20130124_01_105.35_112.10.mp3 eu      416     98.46   6.75    hautatzeko botazioa batzordeko kidearen batek irizpidearen alde hitz egin nahi du
10-007_20130124_01/10-007_20130124_01_117.61_127.29.mp3 eu      416     100.00  9.68    aurka hitz egin nahi du bost minutuko txanda daukazue eta mistoa upyd hasiko da maneiro
10-007_20130124_01/10-007_20130124_01_149.82_160.12.mp3 es      290     100.00  10.30   buenos dΓ­as a todas y a todos utilizo este turno para alzar la voz ante la pretensiΓ³n de eh bildu de que
...
```