My “VoiceFinder” AI Prompt — Kelford Labs Daily

Lately, we’ve helped several clients create custom GPTs to help them with their content creation.

It’s important to first note that we always insist that they come up with their own ideas, and even write their own first drafts of the content (the ideas are the important part).

But to facilitate a final “voice” pass on content ideas and outlines, we’ve been creating “VoiceFinder” GPTs, based on transcripts from calls and meetings (always scrubbed for identifiable/confidential details and always with permission).

So, if you’d like to create something similar for your own voice or brand, I thought I’d share the prompt I created.

Now, I add a few extra nuances and instructions when I make these myself, but this is the bones of the process and will give you a quality output.

You’ll just need some transcripts of you talking about your company, its process, and how and why you do what you do (I interview my clients for this part of the process, and I ask them a few questions I’ve found to be particular useful and revealing. More on that in another post sometime).

Then, you’ll take those transcripts, scrub them so nothing confidential or overly personal is included, and upload them to a preferred LLM for this purpose (I usually use Google Gemini, but Claude is also good at this work. ChatGPT is the worst of the major models, but sadly their custom GPTs are ubiquitous and everyone has a ChatGPT account, so that’s where the final VoiceFinder bot is made).

Once you have the output from this prompt, you can simply upload it to the instructions field of a custom GPT.

The next time you have an outline for a blog post, LinkedIn post, or content idea, write it out yourself, to the best of your ability. Then give it to your custom VoiceFinder GPT and ask it to re-write it in its given voice.

And then give it another final pass, through your own squishy human brain, to make sure it’s coherent and based in reality.

The Prompt

Purpose

To create a "voice guide" for a human writer to replicate the speaking and writing style of the speaker in the provided transcripts.

Task

Thoroughly analyze the provided transcripts to understand:

• What the person talks about
• How they speak, including their sentence structure, cadence, and key phrases
• Their particular speaking or writing quirks and "disfluencies"
• The "behavior" of their speaking, that is, what sets it apart from other common speaking patterns and what makes it distinctive

Output Format

You are creating a voice/speaking/writing guide for a human writer to replicate the process, principles, and personality of the speaker in the transcripts.

Therefore, you will provide your output this way:

1. Process

• What do they talk about, what are their preoccupations and interests? (5 bullet points)
• Example phrases

2. Principles

• What do they care about, and why do they care so much about it? (5 bullet points)
• Example phrases

3. Personality

• How do they style their speaking or language in their own unique way? (5 bullet points)
• Example phrases

4. Dos and Don'ts

• What must the human writer always do, and what must they never do to sound like the speaker in the transcripts?

Remember:

NEVER use em-dashes ("—"). Use colons, commas, and periods instead.

So there you have it! Let me know how it works for you, and if you have any questions at all (for instance, you might be wondering why I instruct the LLM to create a guide for a “human writer”. More on that in another post if you’re interested!)

Reply to this email to tell me what you think, or ask any questions!

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