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Audio Annotation Jobs (NOW HIRING)

Sigma Group

Umbundu Linguistic projects (Remote)

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences ...

Sigma Group

Japanese Linguistic Projects (Remote)

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences ...

Sigma Group

Mumuye linguistic projects (Remote)

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences ...

Sigma Group

Armenian linguistic projects (Remote)

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences ...

Sigma Group

Muong linguistic projects (Remote)

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences ...

Sigma Group

Lala-Roba linguistic projects (Remote)

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences ...

Sigma Group

Muna linguistic projects (Remote)

Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences ...

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Audio Annotation information

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$29.5K

$84.5K

$171.5K

How much do audio annotation jobs pay per year?

As of Jun 27, 2026, the average yearly pay for audio annotation in the United States is $84,456.00, according to ZipRecruiter salary data. Most workers in this role earn between $50,000.00 and $113,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Audio Annotator, and why are they important?

To thrive as an Audio Annotator, you need strong attention to detail, excellent listening skills, and familiarity with linguistic concepts, often supported by relevant coursework or experience in linguistics or audio processing. Proficiency in annotation tools such as ELAN, Audacity, or Praat, as well as experience with data labeling platforms, is typically required. Strong organizational skills, patience, and the ability to work independently make someone stand out in this role. These skills ensure accurate and consistent audio data labeling, which is essential for training reliable AI and speech recognition systems.

What are audio annotations?

Audio annotations involve labeling or transcribing audio recordings to identify specific sounds, speech, or events, which helps improve machine learning models for speech recognition, speaker identification, or sound classification. Annotators often use specialized tools and must pay close attention to detail to ensure accuracy in the labeled data.

What are some common challenges faced by audio annotators, and how can they be managed effectively?

Audio annotators often encounter challenges such as distinguishing overlapping voices, dealing with low-quality recordings, and maintaining consistency in labeling. To manage these, it's important to use high-quality headphones, familiarize yourself with annotation guidelines, and communicate regularly with your team to resolve ambiguities. Many organizations also provide regular feedback sessions and quality checks to ensure accuracy and support continuous improvement.

What is the salary of audio annotation?

The salary for audio annotation jobs typically ranges from $10 to $20 per hour, depending on experience, location, and the complexity of the tasks. Many positions are freelance or part-time, often requiring basic computer skills and attention to detail.

Does data annotation really pay you?

Audio annotation jobs typically pay hourly or per task rates, with earnings varying based on experience, complexity of the work, and platform. Many annotators earn between minimum wage and a few dollars per hour, but consistent income depends on workload and skill level. Some companies offer flexible schedules and remote work options for audio annotators.

What is audio annotation?

Audio annotation is the process of labeling or tagging audio data with relevant information, such as identifying sounds, speech, speakers, or background noises. This process helps train machine learning models to recognize and understand audio content. Audio annotation can involve tasks like transcribing speech, marking segments with specific sounds, or categorizing audio clips by genre or emotion. It is widely used in developing applications for speech recognition, virtual assistants, and audio analysis.

What is an audio annotation job?

An audio annotation job involves listening to audio recordings and labeling or transcribing specific elements such as speech, sounds, or events to help train machine learning models. Workers typically use specialized tools and must pay close attention to detail, often working remotely with flexible schedules.
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Audio Annotation jobs near you
Umbundu Linguistic projects (Remote)

Umbundu Linguistic projects (Remote)

Sigma Group

Remote

Temporary

Posted 7 days ago

Job description

Join Sigma.AI - Shaping the Future of Artificial Intelligence
What is Sigma?
Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence. With over 30 years of experience, offices in Spain, the US, and the UK, and operations in more than 700 languages, we support top multinational clients in developing cutting-edge AI solutions.
Soft Skills We Value
Are you a proactive professional who thrives on challenges, values collaboration, and approaches every task with empathy, integrity, and a passion for learning?
If so, we'd love to hear from you!
What Will You Do?
As part of our linguistic projects, your responsibilities may include:
Categorization - Annotation - Correction - Transcription - Evaluation - Conversational interactions - Voice recording - Content creation - Localization - Validation of audio, video, images, sentences, or words.
All tasks are remote, performed through an online platform available 24/7.
This opportunity is offered for freelancers under a commercial contract.
• Requirements
We are looking for candidates with the following qualifications:
  • Fluent in Umbundu - Able to listen and write correctly without spelling mistakes
  • Fluent in English - Able to listen and write correctly without spelling mistakes
  • Basic computer skills

Preferred (but not mandatory):
  • Experience in data annotation or content rating
  • Strong attention to detail

Technical Requirements
To participate in our projects, you will need:
Computer:
  • Minimum 4GB RAM
  • Microphone and webcam
  • Operating system:
    • Windows 10 or higher
    • macOS 13 Ventura or higher
  • All OS updates installed and supported by the vendor

Connectivity & Accessories:
  • Stable internet connection
  • Headphones
  • Secure internet location, protected by a strong password

For audio-collection projects only:
  • Mobile phone with Android OS

Tablets and iOS devices are not supported
How to Apply
If you're interested, click "APPLY FOR THIS JOB" and follow the instructions.
After submitting your application, you will receive an email with the required tests to assess your qualifications. These tests are mandatory to move forward in the process.
Check your inbox and spam folder, just in case!
Important Notes
  • Sigma.AI does not hire through third parties. No agents' intermediaries or third parties are authorized to represent benefit from or participate in any way in the relationship. To this effect the Candidate agrees to provide any documentation or information reasonably requested by the Company to verify their identity and credentials. Should the Candidate fail to provide enough evidence of their identity to Sigma's satisfaction, Sigma shall be entitled to withhold or terminate any offer with the Candidate.
  • The company may employ or rely on artificial intelligence systems in its selection processes. Such processing is carried out in an ethical, transparent, and legally compliant manner. The purpose of the processing is to evaluate the tests submitted in the course of the selection process (for instance the transcribed content provided by the candidate). The legal basis for processing your data is the pre-contractual relationship between the parties and/or the provision of requested services.

Need Help?
We're here for any questions or concerns.
Join us and be part of something global, innovative, and impactful.
Sigma.AI - Data done right.
Department Annotation & Translation Locations United States, Angola, Huambo, Angola, United Kingdom, Menongue, Angola Remote status Fully Remote Employment type Temporary

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