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# Electrical Engineering and Systems Science # Audio and Speech Processing

Meet Your New Audio Assistant

A smart system designed to handle all your audio questions effortlessly.

Vakada Naveen, Arvind Krishna Sridhar, Yinyi Guo, Erik Visser

― 5 min read


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Ever wondered if your device could be your personal audio assistant, ready to tackle all your audio-related queries? Well, step aside, old chatbots! A new system is here to handle your music, speeches, and sound questions with ease. This system is like a Swiss Army knife for audio queries, bringing together several specialized models that know how to handle audio tasks better than your average pop star!

What is this System?

This innovative system is a chatbot designed to manage a wide range of questions about audio content. Whether you're trying to identify a song, transcribe a conversation, or figure out who’s talking in a group, this system is on the case. It uses various expert models to ensure that your audio queries get routed to the right solution, much like how a good waiter knows exactly which dish to serve you.

How Does It Work?

Intent Classifier

At the heart of this system lies an intent classifier. Think of it as a smart tour guide that quickly understands where you want to go. This classifier is trained on a diverse set of audio-related questions, so it can accurately direct queries to the correct expert models. It’s like having a librarian who can spot the book you want without you even saying the title!

Audio Processing Models

Once your query gets classified, it’s sent to various expert models that specialize in audio tasks. Here are some examples of what these models can do:

  • Automatic Speech Recognition (ASR): This model can turn spoken language into text. So, if you ask it a question out loud, it knows how to write it down!

  • Speaker Diarization: This model figures out who is speaking in a conversation. Ever been at a party and forgotten who said what? This model can help with that!

  • Music Identification: If you hear a tune and want to know its name, this model can help you out. It’s like Shazam but without the “magic” part.

  • Text-to-Audio Generation: This model takes written words and turns them into audio. Have a message to send but want it to sound cooler? Let this model do the talking for you.

Audio Context Detection (ACD)

To make things even better, this system has an audio context detection feature. Imagine you’re at a concert, and you want to know what song just played. The ACD can pull out details, like the song name and when it started playing, helping the system provide even more accurate answers.

The Need for This System

Traditional chatbots, like the ones you might have seen before, are pretty good at handling questions related to text. However, when it comes to audio, they often fall short. They’re like a chef who can only make grilled cheese but can’t handle a gourmet meal.

The world is full of audio data—music, speeches, conversations—and there’s a growing need for smart systems that can keep up with our audio needs. This system is all about filling that gap, and it does so brilliantly.

Custom Datasets

What makes this system stand out is its use of custom datasets. These datasets were created from real-life queries, making them more reliable than those generic open-source datasets that don’t reflect what people actually want to ask. The creators had 150 participants fill out surveys, collecting a whopping 12,661 entries, ensuring the dataset covers all kinds of audio-related questions.

Performance and Results

When it comes to performance, this system has shown that it can beat some of the top audio language models out there. The BERT-based intent classifier, which routes queries, has shown better results than a few other models, managing to classify questions with impressive accuracy.

In several tests, the system performed remarkably well on customs tasks as well as benchmarks. It’s like a student acing an exam while other students are just trying to figure out where to write their name!

Practical Applications

So, you might be wondering, where can you actually use this system? Here are some practical applications:

  • Music Apps: Want to know what song is currently playing in a crowded café? This system can help identify it in a flash.

  • Transcription Services: If you have meetings or interviews, the ASR model can transcribe them for you. Imagine not having to take notes ever again!

  • Smart Home Devices: “Hey, what’s that sound?” Use this bot to quickly analyze sounds happening in your home.

  • Educational Tools: Students can use it to transcribe lectures, making it easier to study later.

Future Work

The folks behind this system aren’t stopping here. They have plans to optimize and deploy it further on various devices. They want people to have the convenience of handling audio queries wherever they are, without the need for a bulky computer.

Comparisons to Existing Models

When compared to existing audio models, this system holds its ground quite well. For example, during testing, it achieved accuracy rates that put it on par with larger models, even while being less complex. It’s kind of like outperforming your opponent while using fewer resources—what a win!

Conclusion

In a world where audio is everywhere, having a smart system that can handle your audio questions is a game-changer. This chatbot system, with its array of specialized models and intelligent routing capabilities, is here to make your audio queries easier than ever. Think of it as your personal audio assistant, ready to tackle everything from music identification to transcription, making life a little more convenient and a lot more fun!

Next time you hear a tune and can’t remember the name, remember that there’s a chatbot out there that can help you out faster than you can say, “What’s that song?”

Original Source

Title: Comprehensive Audio Query Handling System with Integrated Expert Models and Contextual Understanding

Abstract: This paper presents a comprehensive chatbot system designed to handle a wide range of audio-related queries by integrating multiple specialized audio processing models. The proposed system uses an intent classifier, trained on a diverse audio query dataset, to route queries about audio content to expert models such as Automatic Speech Recognition (ASR), Speaker Diarization, Music Identification, and Text-to-Audio generation. A 3.8 B LLM model then takes inputs from an Audio Context Detection (ACD) module extracting audio event information from the audio and post processes text domain outputs from the expert models to compute the final response to the user. We evaluated the system on custom audio tasks and MMAU sound set benchmarks. The custom datasets were motivated by target use cases not covered in industry benchmarks and included ACD-timestamp-QA (Question Answering) as well as ACD-temporal-QA datasets to evaluate timestamp and temporal reasoning questions, respectively. First we determined that a BERT based Intent Classifier outperforms LLM-fewshot intent classifier in routing queries. Experiments further show that our approach significantly improves accuracy on some custom tasks compared to state-of-the-art Large Audio Language Models and outperforms models in the 7B parameter size range on the sound testset of the MMAU benchmark, thereby offering an attractive option for on device deployment.

Authors: Vakada Naveen, Arvind Krishna Sridhar, Yinyi Guo, Erik Visser

Last Update: 2024-12-05 00:00:00

Language: English

Source URL: https://arxiv.org/abs/2412.03980

Source PDF: https://arxiv.org/pdf/2412.03980

Licence: https://creativecommons.org/licenses/by/4.0/

Changes: This summary was created with assistance from AI and may have inaccuracies. For accurate information, please refer to the original source documents linked here.

Thank you to arxiv for use of its open access interoperability.

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