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Mouth Clicks Prevention

By Joe Davis. Published Apr 25, 2023. Last Updated: May 23, 2023.
Filed Under: Techniques

As a voice actor, maintaining high-quality vocal recordings is crucial for success. One of the most common issues faced by voice actors is the presence of mouth clicks, which can be distracting and compromise the quality of their recordings. In this in-depth guide, we will explore the secrets to preventing mouth clicks and ensuring that your recordings are as polished as possible.

Understanding Mouth Clicks

Mouth clicks are involuntary sounds made when the mouth, tongue, and teeth come into contact, producing a clicking or smacking noise. These sounds are often amplified when recording and can be distracting to listeners. There are several factors that contribute to the occurrence of mouth clicks, including dehydration, mouth shape, and the way a person speaks.

Preventing Mouth Clicks: Top Tips and Techniques

  • Hydration

    The most crucial factor in preventing mouth clicks is proper hydration. When you are well-hydrated, your saliva is thinner and less likely to create clicking sounds. It's essential to drink plenty of water throughout the day and avoid diuretics such as caffeine and alcohol that can contribute to dehydration.

    Tip: Keep a water bottle with you during recording sessions, and take sips regularly to maintain hydration levels. Drinking water at room temperature is ideal, as cold water can constrict the vocal cords.

  • Diet

    Certain foods can contribute to an increase in mouth clicks. Avoid foods high in sugar, dairy products, and salty snacks, as they can lead to thicker saliva and exacerbate the issue. Opt for healthier alternatives like fruits, vegetables, and lean proteins, which promote overall health and help maintain proper hydration.

    Tip: Consume a light meal about an hour before your recording session to prevent hunger-induced clicks and maintain steady energy levels.

  • Mouth Cleansing

    Prior to recording, it's essential to cleanse your mouth to remove any food particles or excess saliva that may contribute to mouth clicks. Gargle with warm water and a small amount of salt to help reduce mucus build-up in the throat. Additionally, brushing your teeth and using mouthwash can further eliminate unwanted residue.

    Tip: Keep sugar-free gum or mints handy to stimulate saliva production and maintain a clean and fresh mouth during recording sessions.

  • Vocal Warm-ups and Exercises

    Warming up your voice and mouth muscles before recording can help minimize mouth clicks. Practice tongue twisters, humming, and other vocal exercises to increase blood flow to the mouth and throat, improving flexibility and reducing the chances of unwanted clicks.

    Tip: Spend at least 5-10 minutes on vocal warm-ups before each recording session, ensuring that your mouth and vocal cords are prepared for optimal performance.

  • Tongue Positioning

    The position of your tongue can impact the likelihood of mouth clicks. When speaking, keep the tip of your tongue gently touching the roof of your mouth, just behind your upper front teeth. This position helps reduce the chances of your tongue creating clicking sounds while speaking.

    Tip: Practice speaking with your tongue in this position to become more comfortable and reduce the occurrence of mouth clicks during recording sessions.

  • Breathing Techniques

    Proper breathing techniques are essential for voice actors, not only for controlling the voice but also for minimizing mouth clicks. Practice diaphragmatic breathing, which involves breathing deeply from the diaphragm rather than shallowly from the chest. This technique promotes relaxation and reduces tension in the mouth and throat, making mouth clicks less likely.

    Tip: Incorporate diaphragmatic breathing exercises into your daily routine to improve your overall vocal control and minimize mouth clicks.

  • Posture

    Maintaining good posture during recording sessions can help reduce the chances of mouth clicks. Stand or sit up straight, with your shoulders relaxed and your chest open, allowing for optimal airflow and reducing tension in the vocal cords and mouth muscles.

    Tip: If sitting, choose a chair that provides proper lumbar support and encourages an upright posture. If standing, keep your feet shoulder-width apart and your knees slightly bent to maintain balance and stability.

  • Monitoring and Adjusting Microphone Technique

    Your microphone technique can play a significant role in capturing mouth clicks. Experiment with different microphone angles, distances, and pop filters to minimize the prominence of clicks in your recordings. Adjusting the microphone's position and using a pop filter can help reduce the impact of plosives and sibilance, as well as clicks.

    Tip: Listen to your recordings with headphones to identify mouth clicks and adjust your microphone technique accordingly. Be patient, as finding the optimal setup may take some trial and error.

  • Editing and Post-Production

    Despite your best efforts, some mouth clicks may still make their way into your recordings. In post-production, use audio editing software to remove or minimize these sounds. Programs like Adobe Audition, Audacity, and iZotope RX have tools specifically designed for removing mouth clicks and other unwanted noises from audio files.

    Tip: Familiarize yourself with your preferred audio editing software and practice using the noise reduction tools to become more efficient in post-production.

  • Consult with a Speech Therapist or Vocal Coach

    If you continue to struggle with mouth clicks despite implementing these tips and techniques, consider consulting with a speech therapist or vocal coach. These professionals can help identify the root cause of your clicks and provide personalized guidance to improve your vocal technique and reduce unwanted noises.

    Tip: Research local speech therapists or vocal coaches who specialize in working with voice actors to ensure you receive the most relevant and targeted advice for your career.


    Mouth clicks can be frustrating for voice actors, but with proper hydration, diet, warm-ups, and attention to technique, it is possible to significantly reduce their occurrence in your recordings. By implementing the tips and techniques outlined in this guide, you can improve the quality of your vocal recordings and maintain a professional sound that will impress clients and listeners alike. Remember, practice and patience are key; with time and dedication, you can overcome mouth clicks and elevate your voice acting career to new heights.

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