Dictation vs typing: which is better for taking notes?

The short answer

You walk out of a lecture or a client call with five things in your head and a phone in your hand. Typing them with your thumbs feels slow, so you don't, and by dinner three of the five are gone.

Dictation is the quicker way to get words down, especially on a phone, and it works when your hands or eyes are busy. Typing is easier to control: it's better for structure, names, numbers and anything you need exactly right. Most people get the most out of using both: dictate to capture, then type to edit. The edit is not optional. A dictated note that nobody reread is a transcript with mistakes in it.

Is dictation faster than typing?

On a phone, usually yes, by a wide margin. In one laboratory study, people entered short messages on a smartphone either by speech recognition or with the phone's touch keyboard. In English, speech was 2.93 times faster (153 vs. 52 words per minute), and in Mandarin Chinese it was 2.87 times faster (123 vs. 43 words per minute) (Ruan et al., 2016).

The same study found a catch. Speech made fewer errors during entry (5.30% vs. 11.22% corrected error rate), but it left slightly more errors in the final text (1.30% vs. 0.79% uncorrected error rate). In other words, the mistakes speech recognition makes are the kind that slip through. The authors also note that these were ideal laboratory conditions with short messages, and that real-world performance needs further study.

Keep the comparison in mind, too. The study compared speech with a phone's touch keyboard, not with a skilled typist at a full-size keyboard.

Where speech recognition gets things wrong

Accuracy depends a lot on who is speaking and what they're saying. A study of five commercial speech recognition systems found substantial racial disparities, with an average word error rate of 0.35 for black speakers compared with 0.19 for white speakers (Koenecke et al., 2020). Accent, background noise and microphone quality all matter as well.

Technical vocabulary is another weak spot. Drug names, anatomical terms and people's names are rare words, and rare words are where transcription guesses. "Atrioventricular node" can come back as something that sounds similar and means nothing. That's why dictated notes need checking, especially in subjects like medicine or biology where one wrong word changes the meaning.

When dictation works well

• Right after a call or meeting. A two-minute spoken summary while it's fresh beats a perfect note you never write. Our guide on finding what was said in a meeting explains why those first minutes matter.
• On a walk after a lecture. Say what the lecture was about in your own words, as if explaining it to a friend.
• When your hands are busy, for example in a lab or while cooking.
• For ideas and reflections, where getting the thought down matters more than the exact wording.

The walk-after-a-lecture habit has a useful side effect. A well-known study found that students who typed lecture notes did worse on conceptual questions than students who wrote by hand, and the authors pointed to the typists' tendency to transcribe lectures verbatim rather than reframing the material in their own words (Mueller & Oppenheimer, 2014). The lesson isn't really about devices. Summarising in your own words, spoken or written, is the part that helps. Dictating a recording of the lecture word for word would miss the point.

When typing is the better choice

• During a meeting or lecture, where talking isn't an option.
• For structured notes: lists, tables, headings, step-by-step methods.
• For exact details: names, numbers, dates, doses, quotations.
• When you're editing, since moving and fixing text is easier with a keyboard.
• In a noisy or public place, or when the content is private.

The editing step dictation needs

Dictated notes are drafts. A short edit, the same day, turns them into something you can use next week:

1. 1Read it through once, within a few hours, while you still remember what you meant.
2. 2Fix names, numbers and technical terms first. These are the errors that matter most and the ones transcription is likeliest to get wrong.
3. 3Cut filler. Spoken notes are full of "so", "basically" and repeated starts.
4. 4Add structure: a title with the date, a line or two of summary, then short paragraphs or bullets.
5. 5Mark anything you're not sure about, for example with [check], instead of guessing.

A simple routine that uses both

Dictate within ten minutes of the event, while walking or packing up. Edit by typing that evening, in five minutes or less. Keep one note per lecture or call, with the date in the title. That's it. You get the speed of speech and the accuracy of a keyboard, and you don't have to pick one.

If you'd like a tool built around that routine, Lumyo has dictation built in, and each note gets a summary and a category automatically. You still do the five-minute check. No transcription is good enough to skip it.