Audio

Convert Audio to Slides: Turn Recordings into Presentations (2026)

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Sharayeh Team
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9 min read
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Audio to Slides β†— | Transcribe Audio β†—

Convert Audio to Slides

You have a recording β€” a lecture, an interview, a brainstorming session, a voice memo with your best ideas. That audio content is valuable, but it's stuck in a format that's hard to search, scan, or share effectively. Converting audio to slides unlocks that content for presentations, documentation, and knowledge sharing.

How AI Converts Audio to Slides

The conversion pipeline:

Audio File β†’ Transcription β†’ Topic Segmentation β†’ Summarization β†’ Slide Generation

Step 1: Transcription

The AI converts speech to text using advanced speech recognition:

  • Word-level accuracy: 95%+ for clear audio
  • Speaker identification: Tags different speakers
  • Timestamp alignment: Links text to specific moments
  • Language detection: Automatically detects the spoken language

Step 2: Topic Segmentation

The transcript is analyzed for topic changes:

  • Natural pauses and topic shifts
  • Introduction, main points, transitions, conclusion
  • Speaker changes in interviews

Step 3: Summarization

Each segment is condensed into slide-friendly content:

  • Key points extracted from conversational language
  • Filler words and repetitions removed
  • Statistics and quotes highlighted

Step 4: Slide Generation

Professional slides are created:

  • Title slide with audio title/topic
  • Content slides for each major topic
  • Quote slides for notable statements
  • Summary slide with key takeaways

Step-by-Step Guide

  1. Go to Audio to Slides
  2. Upload your audio file (.mp3, .wav, .m4a, .ogg, .flac)
  3. Wait for processing (30 sec – 5 min depending on length)
  4. Review the generated slides:
    • Check accuracy of transcribed content
    • Verify topic segmentation makes sense
    • Adjust slide titles if needed
  5. Customize the design template
  6. Download as .pptx

Supported Formats and Limits

Format Max File Size Max Duration
MP3 200 MB 3 hours
WAV 500 MB 3 hours
M4A (AAC) 200 MB 3 hours
OGG Vorbis 200 MB 3 hours
FLAC 500 MB 3 hours
WebM (audio) 200 MB 3 hours

Use Cases

Lecture Recordings β†’ Study Slides

Convert a 90-minute lecture into a concise 15-slide summary:

  • Key concepts and definitions
  • Important examples and illustrations
  • Formulas and frameworks mentioned
  • Professor's emphasis points

Interview Recordings β†’ Summary Deck

Convert a 30-minute interview into a shareable deck:

  • Key insights from the interviewee
  • Direct quotes with attribution
  • Data points and statistics mentioned
  • Action items or recommendations

Brainstorming Sessions β†’ Idea Deck

Capture the best ideas from a brainstorming session:

  • Each idea as a dedicated slide
  • Supporting arguments and context
  • Prioritization if discussed
  • Next steps and ownership

Voice Memos β†’ Quick Presentations

Turn your phone voice memos into slides:

  • Ideas captured on-the-go
  • Meeting reflections
  • Quick observations and insights
  • Travel notes and observations

Dictated Content β†’ Presentations

Speak your presentation and let AI format it:

  • Natural speaking is faster than typing
  • AI structures your thoughts into slides
  • Edit and refine the generated output

Audio Quality Tips

For Best Transcription Results

Factor Recommendation
Microphone Use a dedicated mic (even $20 headset mic helps)
Background noise Record in a quiet environment
Speaking pace Normal conversational speed
Enunciation Speak clearly, especially technical terms
Audio format WAV or FLAC for highest quality (MP3 is fine too)
Multiple speakers Sit close to one mic or use individual mics

Handling Poor Quality Audio

If your audio quality is suboptimal:

  • The AI applies noise reduction before transcription
  • Manual correction is available for misheard words
  • Consider re-recording a summary if transcription is very poor

Comparing Audio Conversion Methods

Method Speed Quality Control
Audio to Slides (one-step) Fastest Good Low
Transcribe β†’ Text to Slides (two-step) Medium Best High
Transcribe β†’ Manual editing β†’ Slides Slowest Best Highest

For quick results, use the one-step Audio to Slides tool. For maximum control, use the two-step approach: Transcribe Audio first, edit the transcript, then Text to Slides.

Multi-Language Support

The AI supports transcription and slide generation in:

  • πŸ‡ΊπŸ‡Έ English
  • πŸ‡ΈπŸ‡¦ Arabic (with RTL layout)
  • πŸ‡ͺπŸ‡Έ Spanish
  • πŸ‡«πŸ‡· French
  • πŸ‡©πŸ‡ͺ German
  • πŸ‡ΉπŸ‡· Turkish
  • πŸ‡―πŸ‡΅ Japanese
  • πŸ‡΅πŸ‡Ή Portuguese
  • And more

Mixed-language audio is handled automatically β€” the AI detects language switches and creates slides in the appropriate language.

Frequently Asked Questions

Can I convert a phone call recording to slides?

Yes, as long as you have the recording in a standard audio format. Be sure to comply with your local laws regarding call recording and consent.

Does it work with background music?

The AI attempts to isolate speech from background music. For best results, remove background music before uploading or use audio with minimal music.

Can I choose which parts of the audio become slides?

After conversion, you can delete unwanted slides. For more precise control, use the two-step method: transcribe first, edit the transcript, then convert to slides.

How does speaker identification work?

The AI detects different speakers by voice characteristics and labels them (Speaker 1, Speaker 2, etc.). You can rename speakers after generation.

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