Audio to executive brief: Transcribe & analyze with AssemblyAI and GPT-4

Name: Audio to executive brief: Transcribe & analyze with AssemblyAI and GPT-4
Availability: InStock
Rating: 4.5 (42 reviews)
Author: Sridevi Edupuganti

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🎙️ Audio-to-Insights Workflow (Form Upload + Google Drive Link)

Description

This workflow enables seamless speech-to-text transcription, AI-powered summarization, sentiment analysis, and automated email delivery.
It supports two different input modes:

Form Upload (Local File)
Form Submission (Google Drive Link)

How it Works

Input
- Form 1: Upload an audio file (e.g., .mp3,.wav,.mp4)
- Form 2: Submit a Google Drive link
File Handling
- Local uploads go directly to AssemblyAI.
- Drive links are parsed → File ID extracted → File fetched → Sent to AssemblyAI.
Transcription
- AssemblyAI generates transcript text with punctuation and highlights.
- Workflow loops with Wait + If until transcript status = completed.
AI Analysis
- Transcript is passed to OpenAI.
- Generates a structured output including:
  - Executive summary
  - Sentiment label & score
  - Key points
  - Action items
  - Notable quotes
  - Topics
Email Delivery
- A formatted email is sent via Gmail with the summary and insights.

Features

Dual input support: Google Drive OR direct upload
Handles long-running jobs with Wait + If polling
AI-powered transcript analysis with structured JSON
Automated sentiment scoring and summary generation
Professional HTML email reports

Requirements

AssemblyAI API Key – transcription
Google Drive OAuth2 – file fetch
OpenAI API Key – summarization & sentiment analysis
Gmail OAuth2 – email delivery

How to Use

Import this workflow into your n8n instance.
Add and configure the required credentials.
Update placeholders for:
- AssemblyAI API Key
- Google Drive Link
- Gmail ID
Trigger via either form (local file or Google Drive link).
5.For long recordings, split before uploading (10–20 min per chunk, 2–5s overlap).Keep audio consistent (e.g., WAV/MP3, 16 kHz mono if possible).Process chunks sequentially and combine summaries/action items at the end.

Customising this Workflow

Adjust the OpenAI prompt to fit your reporting style (executive summary, bullet points, etc.).
Extend email formatting with logos or branding.
Add Slack, CRM, or Notion integrations for distribution.

Use Cases

Meeting or lecture transcription with summaries
Podcast analysis with highlights and quotes
Business call reviews with action item extraction
Academic seminar notes emailed automatically

Sridevi Edupuganti

0 workflows

Nodes

set gmail telegram agent google-gemini

Complexity

advanced

Published 16 Sept 2025

Likes 0

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