SceneDub

How to warm up your voice for voice acting

By the SceneDub Editorial Team · 7 min read · Updated November 9, 2026

Warm up your voice with about ten minutes of gentle work before you record: loosen your body and jaw, breathe low and slow, then hum, lip trill, and glide through your range in easy sirens before finishing with articulation drills and a few real lines. Keep everything at a comfortable volume; a warm-up should never hurt. If hoarseness, pain, or voice changes last more than a couple of weeks, see an ENT or a voice specialist.

Key takeaways

  • About 10 minutes is enough for most practice and recording sessions.
  • Work from body and breath up to resonance, range, and articulation.
  • Hums, lip trills, and straw phonation are gentle ways to wake up the voice.
  • Keep sirens comfortable. Don't chase your top or bottom notes.
  • Finish by speaking real lines so the warm-up carries into the performance.
  • Hoarseness, pain, or voice changes lasting more than a couple of weeks are a reason to see an ENT or voice specialist.

Why voice actors warm up

Your voice comes from the vocal folds vibrating as air passes between them, shaped by your throat, mouth, and nose, and sharpened by your lips, tongue, and jaw. Like any coordinated physical activity, it tends to work better after some gentle movement. A cold voice is more likely to crack, sound tight, or blur consonants in the first few takes.

A warm-up is also a transition. Ten minutes of breathing and humming moves your attention from your inbox to your body and the script. And because you do the same routine each day, it works as a check-in: you notice quickly when your voice feels tired or rough, which tells you to go easier that day.

The 10-minute routine at a glance

The routine moves from the body outward: release tension, get the breath working, wake up resonance with gentle sounds, stretch your range, sharpen articulation, then speak. Keep the volume conversational or quieter throughout. You should finish feeling looser and clearer, never strained.

SceneDub's vocal warm-up walks you through a timed routine of exercises like these, so you can follow along without watching the clock.

  • 0:00 to 1:30, body and jaw: shoulder rolls, gentle neck stretches, jaw release, yawn-sighs.
  • 1:30 to 3:00, breath: low, easy breathing and long, steady hisses.
  • 3:00 to 4:30, humming: easy hums, then hums opening into vowels.
  • 4:30 to 6:00, lip trills or straw phonation: steady at first, then sliding in pitch.
  • 6:00 to 7:30, sirens: smooth glides from low to high and back.
  • 7:30 to 9:00, articulation: tongue and lip drills, then tongue twisters.
  • 9:00 to 10:00, lines: a few lines from today's script at performance level.

Body, jaw, and breath (minutes 0 to 3)

Start standing. Roll your shoulders back a few times, let your head tilt gently from side to side, and shake out your arms. Massage the hinge of your jaw with your fingertips and let it hang loose. Finish with two or three big yawns that end in a relaxed sigh, letting the sound fall from high to low.

For breath, put one hand on your belly and the other on your lower ribs. Breathe in through your nose for about four counts and feel your belly and ribs widen while your shoulders stay still. Breathe out on a steady "sss" for as long as is comfortable, keeping the sound even. Repeat five or six times. The aim is low, easy breathing, not filling up until you're about to burst.

Humming and resonance (minutes 3 to 4:30)

Hum on "mmm" with your lips gently closed and your teeth apart. Keep it easy and quiet. You should feel a buzz in your lips and around your nose. If you feel pressure in your throat instead, lower the volume and relax your jaw.

Next, hum a few relaxed "mm-hmm" sounds, the way you agree with someone in conversation, then hum and open into a vowel: "mmm-ah", "mmm-ee", "mmm-oh". This carries the forward, buzzy feeling of the hum into open speech, which helps your voice sound clear without pushing.

Lip trills and straw work (minutes 4:30 to 6)

For a lip trill, blow air through loosely closed lips so they flutter like a motorboat, then add voice. Hold a comfortable note for a few seconds, then slide up and down. Lip trills keep air flowing steadily and make it hard to squeeze your throat, which is why so many voice teachers use them early in a warm-up.

If your lips won't trill, press lightly on your cheeks near the corners of your mouth, or switch to humming through a drinking straw. Straw phonation belongs to a family of exercises called semi-occluded vocal tract exercises, which voice teachers and therapists commonly use. Slide gently up and down on the straw for the same amount of time.

Sirens (minutes 6 to 7:30)

Sirens are smooth pitch glides, like a quiet siren: start low, slide up as high as is comfortable, and come back down. Do them on "ng", the sound at the end of "sing", or on "oo". Start with small slides in the middle of your range and widen them gradually.

Let the voice flip or crack if it wants to; the aim is to make those transitions smoother over time, not to force them. Don't chase your highest or lowest note during a warm-up. If you want to explore your range, try the vocal range test once you are warm. For character work, a couple of gentle sirens into the pitch area where your character lives can help you find it quickly.

Articulation, tongue twisters, and lines (minutes 7:30 to 10)

Stretch your tongue out and down, then side to side. Chew in big, exaggerated movements for a few seconds as if eating something sticky. Then run consonant drills: "puh-tuh-kuh" slowly, then faster, keeping each sound crisp. The classic "the lips, the teeth, the tip of the tongue" drill fits here, first slow and exaggerated, then at speed.

Move on to two or three tongue twisters. The tongue twisters for actors set includes classics like Red Leather, Yellow Leather and Unique New York, grouped by lip, tongue-tip, and back-of-tongue sounds. Say each one slowly and precisely first; speed only matters once every sound is clean.

Spend the last minute on real lines from today's script at performance level. That bridges the gap between exercises and acting, so your first recorded take is not also your first real sentence of the day.

Adjust the warm-up to the session

Mornings usually need a longer, gentler warm-up, because most voices are stiffer after sleep. Sessions with shouting, creature sounds, or fight efforts need more preparation and fewer intense takes. Schedule the hardest material after you are warm but before you are tired, and take breaks between heavy passes.

After a long or loud session, cool down with a minute or two of quiet humming, lip trills, and easy sighs, then give your voice some rest. Long narration sessions benefit from short breaks every so often and sips of water between pages.

Vocal health basics

A warm-up should never hurt. If something feels sharp, scratchy, or effortful, stop and go back to easier exercises. This is general practice advice, not medical advice.

See an ENT or a voice specialist, such as a speech-language pathologist who works with voice, if hoarseness, pain, or changes in your voice last more than a couple of weeks, if you lose your voice suddenly, or if you have trouble swallowing or breathing. They can examine your vocal folds and give advice specific to you.

  • Drink water through the day, not just during the session.
  • Avoid habitual throat clearing; swallow or take a sip of water instead.
  • Don't push through pain, scratchiness, or hoarseness.
  • Rest your voice after heavy sessions and when you are sick.
  • Learn screaming and gravelly voices from a qualified coach before using them in long sessions.
  • Get enough sleep; a tired body usually means a tired voice.

Step by step

  1. Loosen body and jaw. Roll your shoulders, stretch your neck gently, release your jaw, and yawn-sigh. About 90 seconds.
  2. Breathe low. Inhale through your nose for four counts and exhale on a steady hiss, five or six times.
  3. Hum. Hum quietly with lips closed and teeth apart, then open the hum into vowels.
  4. Lip trill or straw. Trill your lips or hum through a straw, holding a note and then sliding in pitch.
  5. Siren. Glide from low to high and back on "ng" or "oo", staying in a comfortable range.
  6. Articulate. Run consonant drills and two or three tongue twisters, slowly first, then faster.
  7. Speak real lines. Finish with a few lines from your script at performance level.

Practise it on SceneDub

Frequently asked questions

How long should a vocal warm-up be?

About 10 minutes is enough for most practice and recording sessions. Use a longer, gentler warm-up in the morning or before sessions with shouting or other demanding character work.

Should I warm up before every recording session?

Yes. Even a short warm-up makes early takes more reliable and helps you notice when your voice is tired. When time is tight, do at least breathing, hums, lip trills, and one tongue twister.

Are lip trills good for your voice?

Lip trills are a gentle, widely used warm-up because they keep air flowing steadily and discourage squeezing the throat. Keep them easy. If you can't do them, humming through a straw is a similar alternative.

Why does my voice crack during sirens?

Cracks often happen where the voice shifts between registers, and that is normal. Keep sirens gentle and let the cracks happen; with regular practice the transitions usually get smoother. If cracking comes with pain or lasting hoarseness, see a voice professional.

What should I drink before recording?

Plain water through the day is the usual advice. Some voice actors find that dairy or very sugary drinks make their mouth feel sticky or noisy right before recording. It varies by person, so notice what works for you.

Can I warm up too much?

Yes. A warm-up that is loud, long, or forceful can tire your voice before the session starts. Keep it gentle, around 10 minutes, and save your energy for the performance.

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