How to transcribe audio files automatically
Automatic transcription: Technology, methods, and best practices
Automatic transcription turns spoken words into text using AI, cutting a task that takes professionals 4-6 hours down to just minutes. Modern transcription tools use speech recognition algorithms and machine learning to identify different speakers, handle accents, and understand technical terms across many languages.
The technology behind automatic transcription
Modern automatic transcription tools use advanced speech recognition algorithms and machine learning models trained on vast datasets of human speech. These systems can recognize different speakers, handle various accents, and understand technical terminology across multiple languages.
Best methods for automatic audio transcription
Using Circleback for meeting recordings
Circleback.ai offers a comprehensive solution for transcribing meeting recordings automatically. The platform works with both virtual and in-person meetings, providing organized notes.
Key features of Circleback:
State-of-the-Art Transcription Accuracy: Circleback accurately captures technical terms and various accents across over 100 languages.
Speaker Identification: The system automatically identifies different speakers, making the transcript more organized.
Automatic Action Item Extraction: Circleback identifies and assigns action items from your meeting conversations. If someone says, "Emma will review the ad mockups by Wednesday," it creates an action item assigned to Emma.
AI-Powered Search: You can find key moments using search that goes beyond simple keyword matching. If you ask, "What time did Linda say she was free?" Circleback can retrieve that specific information.
Meeting Insights: The platform automatically identifies and organizes key points from your meetings, such as "$28,000 was agreed on as month one budget for paid ads."
For Microsoft 365 users: Word's transcribe feature
Microsoft Word has a built-in transcription feature for Microsoft 365 subscribers that converts speech to text.
How to use Word's transcribe feature:
Recording Directly in Word: You can record conversations directly within Word for automatic transcription.
Uploading Audio Files: You can upload pre-recorded audio files in formats like .wav, .mp4, .m4a, or .mp3.
Editing the Transcript: After transcription, you can edit speaker labels and correct any errors.
Integrating with Documents: You can add the entire transcript or specific sections to your Word document.
Best practices for getting accurate transcriptions
For better results with automatic transcription tools:
Use Clear Audio Sources: The cleaner your audio, the more accurate your transcription. Consider using a good microphone.
Minimize Background Noise: Choose quiet environments for recording when possible.
Speak Clearly: Encourage all participants to speak at a reasonable pace and articulate words clearly.
Consider the Setting: For in-person meetings, be mindful of microphone placement to capture all speakers.
Test Small Samples First: Before transcribing an entire recording, test with a small portion to ensure accuracy.
Real-world applications of automatic transcription
Business meetings
In a quarterly planning meeting, automatic transcription provides a complete record of the discussion, highlights key decisions like budget allocations, assigns action items automatically, and makes past meetings searchable.
Academic research
A doctoral student conducting interviews can save dozens of hours by using automatic transcription, focusing on analysis rather than the mechanical process of transcription.
Content creation
Podcast producers can transcribe episodes to create show notes, improve accessibility with captions, and make their content searchable.
Privacy and security considerations
When using automatic transcription services:
Data Storage: Understand where and how your audio files and transcripts are stored.
Sensitive Information: Be cautious when transcribing content with confidential information.
Permissions: Always inform meeting participants that the conversation is being recorded and transcribed.
Circleback includes security measures like SOC 2 Type II certification and HIPAA compliance to keep meeting data private and secure.