Improving Audio-Text Retrieval with Advanced Techniques

Saturday 01 February 2025


Recent advances in artificial intelligence have led to significant improvements in the field of audio-text retrieval, a technology that enables computers to match audio files with relevant text descriptions. Researchers have developed new methods for computing the relevance between audio samples and captions, allowing for more accurate matching.


One such method is based on the idea of measuring the similarity between captions using a technique called Sentence-BERT. This approach involves converting captions into numerical representations, known as embeddings, which can be compared to determine their similarity. The researchers used this technique to calculate the relevance between captions, and found that it outperformed traditional methods.


Another innovative approach is to use listwise ranking objectives, which involve training a model to rank audio samples based on their relevance to a given query text. This method has been shown to be effective in retrieving relevant audio files from large databases.


The researchers also experimented with pretraining the dual-encoder model on large datasets before fine-tuning it on smaller datasets. This approach improved performance and allowed for more accurate matching of audio files with relevant captions.


The study’s findings have significant implications for a range of applications, including speech recognition, music information retrieval, and multimedia databases. The technology could be used to improve the accuracy of speech-to-text systems, enable more effective searching of large audio databases, and enhance the functionality of multimedia devices.


In addition to its practical applications, the research has also shed light on the importance of measuring relevance between audio samples and captions. The study’s findings highlight the need for more sophisticated methods for computing relevance, and provide a foundation for future research in this area.


The researchers’ approach is based on the idea that relevance is not always binary – that is, either an audio sample is relevant to a caption or it is not. Instead, they propose a graded relevance framework, which allows for a range of levels of relevance between 0 and 1. This approach is more nuanced than traditional methods, and provides a more accurate representation of the relationship between audio samples and captions.


The study’s findings are based on experiments conducted using three datasets: AudioCaps, Clotho, and WavCaps. The results showed that the proposed method outperformed traditional approaches in both text-based audio retrieval and audio-based text retrieval tasks.


Cite this article: “Improving Audio-Text Retrieval with Advanced Techniques”, The Science Archive, 2025.


Audio-Text Retrieval, Artificial Intelligence, Sentence-Bert, Embeddings, Relevance, Ranking Objectives, Dual-Encoder Model, Pretraining, Fine-Tuning, Multimedia Databases


Reference: Huang Xie, Khazar Khorrami, Okko Räsänen, Tuomas Virtanen, “Text-based Audio Retrieval by Learning from Similarities between Audio Captions” (2024).


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