# DSCLAP: Domain-Specific Contrastive Language-Audio Pre-Training

arXiv: https://arxiv.org/abs/2409.09289 · HTML: https://mlsanity.com/paper/2409.09289/

## Key facts

- Cited by 1 papers in the map (data through 14 Oct 2026).
- First posted on arXiv 14 Sep 2024.

## Built on by (most cited first, 1 of 1)

- [SupCLAP: Controlling Optimization Trajectory Drift in Audio-Text Contrastive Learning with Support Vector Regularization](https://mlsanity.com/paper/2509.21033/) (2025)

## Abstract (arXiv)

Analyzing real-world multimodal signals is an essential and challenging task for intelligent voice assistants (IVAs). Mainstream approaches have achieved remarkable performance on various downstream tasks of IVAs with pre-trained audio models and text models. However, these models are pre-trained independently and usually on tasks different from target domains, resulting in sub-optimal modality representations for downstream tasks. Moreover, in many domains, collecting enough language-audio pairs is extremely hard, and transcribing raw audio also requires high professional skills, making it difficult or even infeasible to joint pre-training. To address these painpoints, we propose DSCLAP, a simple and effective framework that enables language-audio pre-training with only raw audio signal input. Specifically, DSCLAP converts raw audio signals into text via an ASR system and combines a contrastive learning objective and a language-audio matching objective to align the audio and ASR transcriptions. We pre-train DSCLAP on 12,107 hours of in-vehicle domain audio. Empirical results on two downstream tasks show that while conceptually simple, DSCLAP significantly outperforms the baseline models in all metrics, showing great promise for domain-specific IVAs applications.