Annotate Audio Data In Encord

From refining speech recognition systems to classifying environmental sounds and detecting emotions in voice recordings, accurately annotated data, forms the backbone of high-quality Audio AI.

Announcing Encord’s Audio Annotation Capabilities

We are excited to introduce Encord’s new audio annotation capability, specifically designed to enable effective annotation workflows for AI teams working with any type and size of audio dataset. Built with flexibility and user collaboration in mind, Encord’s comprehensive label editor offers the complete solution for annotating a wide range of audio data types and use cases.

Flexible Classification of Audio Attributes

Within the Encord label editor,  users can accurately classify multiple attributes within the same audio file using customizable hotkeys or the intuitive user interface. Labelers can also further adjust attribute classes with extreme precision down to the millisecond. 

Built to support a wide range of annotation requirements, the audio label editor enables teams to annotate sound events in audio files such as distinct noises and also classify emotions in speech tracks, language, speakers amongst other use cases. 

Efficient Editing and Review Process

Encord offers a robust review platform that simplifies the process of reviewing and editing annotations. Instead of focusing solely on attributes, users can edit specific time ranges and classification types, allowing for more targeted revisions. This feature is particularly valuable for projects involving long-form or complex audio files, where pinpointing specific sections for correction can significantly speed up the workflow.

Layered and Overlapping Annotations

The Encord label editor can handle overlapping annotations. Whether you're annotating multiple speakers in a conversation or different instruments in a musical composition, Encord allows you to annotate various layers of audio data simultaneously. This ensures that multiple valuable annotations are captured in the same file and complex audio events are annotated in detail.

Integrated Collaboration Tools

For teams working on large-scale audio projects, Encord’s platform offers unified collaboration features. Multiple annotators and reviewers can work simultaneously on the same project, facilitating a smoother, more coordinated workflow. The platform’s interface enables users to track changes and progress, reducing the likelihood of errors or duplicated efforts.

Encord’s Commitment To Keeping Pace With Industry Advancements

As the demand for audio and multimodal AI continues to grow, Encord’s audio feature set is designed to meet the evolving needs of pioneering AI teams in the field. some of the latest industry trends and how Encord’s capabilities align include: 

Multimodal AI Models

The rise of multimodal AI models, which combine audio with text and vision modalities, has significantly increased the need for well-annotated high-quality audio data.. Encord’s ability to classify multiple attributes, handle overlapping classifications within audio files, and support complex datasets makes it an ideal tool for professionals developing multimodal systems. Models like OpenAI’s GPT-4o, Meta’s SeamlessM4T,  and many more combine speech and text in translation tasks, rely heavily on accurately annotated audio data for training. 

SOTA AI Models Transform And Create Audio Data

Recent advancements in foundational models such as OpenAI’s Whisper and Google’s AudioLM can achieve breakthrough performance in a number of actions to accelerate audio curation and annotation workflows.  AI teams can use Encord Agents to integrate with new models and their own to orchestrate automated audio transcription, pre-labeling and quality control to significantly improve the efficiency and quality of their audio data pipelines. 

Emotion and Sentiment Analysis

With the growing emphasis on audio as a medium to interpret emotion and sentiment, particularly in industries like healthcare, customer service, and entertainment, accurate audio annotation is crucial. Encord’s platform allows users to classify nuanced emotions and sentiments within voice recordings, supporting the development of models capable of understanding and interpreting human emotions. 

Annotate Audio Data on Encord

As AI and machine learning projects increasingly incorporate audio data, the tools to annotate and manage that data must evolve. Encord’s audio annotation capabilities are designed to help AI teams streamline their data workflows, enhance collaboration, and manage the complexities of large audio datasets. Whether you’re working on speech recognition, sound classification, or sentiment analysis, Encord provides a flexible, user-friendly platform that adapts to the needs of any audio and multimodal AI project regardless of complexity or size.