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language:
- en
license: cc-by-4.0
multilinguality: monolingual
task_categories:
- sentence-similarity
- feature-extraction
pretty_name: FLiP-data
tags:
- sonar
- speech-embeddings
- text-embeddings
- common-voice
- interpretability
---
# FLiP-data
Preprocessed data for the paper [FLiP: Towards understanding and interpreting multimodal multilingual sentence embeddings](https://huggingface.co/papers/2604.18109).
FLiP trains a factorized log-linear model to recover lexical content (keywords) from pretrained sentence embeddings via a single linear projection, with no fine-tuning of the encoder. The project code is available on [GitHub](https://github.com/BUTSpeechFIT/FLiP).
## Contents
SONAR embeddings and transcripts for **Mozilla Common Voice v15 English** (train / dev / test):
| File | Description |
|------|-------------|
| `*_speech_embs.npy` | SONAR speech embeddings (float32, shape `[N, 1024]`) |
| `*_text_embs.npy` | SONAR text embeddings (float32, shape `[N, 1024]`) |
| `*_sim_scores.npy` | Cosine similarity between paired speech and text embeddings |
| `*_transcript.txt` | Reference transcripts (one utterance per line) |
| `*_entities_gemini2.5_flash_lite.jsonl` | Named entities extracted with Gemini 2.5 Flash Lite |
Splits: `train` (~650k utterances), `dev`, `test`.
## Source data
Embeddings were computed from [Mozilla Common Voice v15](https://commonvoice.mozilla.org/) English using the [SONAR](https://github.com/facebookresearch/SONAR) encoder. Audio and transcripts from Common Voice are licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).
## Usage
See the [FLiP GitHub repo](https://github.com/BUTSpeechFIT/FLiP) for full installation instructions and training/evaluation scripts.
Quick start after downloading:
```python
import numpy as np
train_speech = np.load("cv_15/en/sonar_embeddings/train_speech_embs.npy")
train_text = np.load("cv_15/en/sonar_embeddings/train_text_embs.npy")
```
## Citation
```bibtex
@misc{kesiraju2026flip,
title = {{FLiP}: Towards understanding and interpreting multimodal multilingual sentence embeddings},
author = {Kesiraju, Santosh and Yusuf, Bolaji and Sedl{\'{a}}{\v{c}}ek, Simon and Plchot, Old{\v{r}}ich and Schwarz, Petr},
year = {2026},
eprint = {2026.XXXXX},
archivePrefix = {arXiv},
primaryClass = {cs.CL}
}
``` |