{"id":4298,"date":"2021-09-08T10:24:05","date_gmt":"2021-09-08T08:24:05","guid":{"rendered":"https:\/\/www.vrtonung.de\/medical-sound-design\/"},"modified":"2026-07-17T17:29:07","modified_gmt":"2026-07-17T15:29:07","slug":"medical-vr-sound-design","status":"publish","type":"post","link":"https:\/\/www.vrtonung.de\/en\/medical-vr-sound-design\/","title":{"rendered":"How Medical VR Can Accelerate the Healing Process"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_opengraph-image":"https:\/\/www.vrtonung.de\/wp-content\/uploads\/medical-sound_header_facebook-aimg.jpg","_yoast_wpseo_opengraph-image-id":"18948","_yoast_wpseo_twitter-image":"https:\/\/www.vrtonung.de\/wp-content\/uploads\/medical-sound_header_twitter.jpg","_yoast_wpseo_twitter-image-id":"4279","footnotes":""},"categories":[1],"tags":[22,23],"class_list":["post-4298","post","type-post","status-publish","format-standard","hentry","category-unkategorisiert","tag-news-en","tag-overview-en"],"acf":{"remove_from_blog_overview":false,"alternative_title":"","previewimg":18666,"text":"Medical sound is not an established term, but it will be used in the following as a term for audio in the medical or health sector. Because yes, VR, spatial audio, and sound, in general, are not only entertainment media, as many may not know. \r\n\r\nThis article will therefore give an impression of how (3D) audio and medical technology, including advancements like virtual reality, AI, and wearable devices, are and can be used in the healthcare sector.\r\n\r\n##Introduction to Medical Sound and VR\r\n\r\nMedical sound and virtual reality (VR) are two innovative technologies that are revolutionizing the healthcare industry. Medical sound refers to the use of sound waves to promote healing, relaxation, and pain relief. \r\n\r\nOn the other hand, VR is a computer-generated simulation of a three-dimensional environment that can be experienced and interacted with in a seemingly real or physical way. When combined, medical sound and VR create a powerful tool for improving patient outcomes and enhancing the overall healthcare experience. \r\n\r\nBy immersing patients in a virtual environment enriched with therapeutic sounds, healthcare professionals can offer a holistic approach to treatment that addresses both physical and mental health needs.\r\n\r\n##3D Audio is the new Stereo\r\n\r\nSpatial audio offers a multitude of new possibilities from which the medical field can also benefit. But why is 3D audio better than stereo? I am one of the biggest enthusiasts but at the same time a critic. \r\n\r\nOne should not immediately think 3D audio is always better than stereo. However, with surround sound, there are many advantages that will be beneficial especially in the medical field.\r\n\r\nTo summarize, 3D audio allows us to locate sound from any direction. Sound familiar? Hopefully, because that\u2019s exactly how we hear in real life. So Spatial Audio allows us to have a natural or realistic virtual listening experience and therefore has a different effect than normal stereo. \r\n\r\nPeople often use the word \u201cimmersive\u201d for this, meaning enveloping, you are \u201cimmersed\u201d in a sound world. This can be used to create new types of medical sound use cases, as we will learn later.\r\n\r\n##It\u2019s called Virtual Reality, not Visual Reality\r\n\r\nSure, when you hear the term virtual reality, you probably first think of VR goggles equipped with special displays to create a three-dimensional image. But many people forget that the visual is only one part of a convincing VR experience. Only with the right sound and virtual reality tools does such an experience become truly immersive.\r\n\r\n[image id=\"16569\"]\r\n\r\n###How do we hear in (virtual) reality?\r\n\r\nThe following consideration should make us aware that sound is an essential part of an experience, whether in VR or real reality: Unlike our eyes, we cannot close our ears. This means that we are permanently exposed to auditory stimuli.\r\n\r\nFurthermore, we can perceive sound from all directions, but our field of vision is limited to about 180\u00b0. There is also no absolute silence for us, if you pay attention you will quickly notice that there are always noises to be heard. And the fact that we quickly feel uncomfortable in anechoic rooms speaks for itself.\r\n\r\nOne could almost assume that many people don\u2019t place such a high value on the sound of an experience because sound is always there anyway. But that also means, conversely, that sound is important \u2013 because, without, it sounds strange.\r\n\r\n###What does this mean for VR and virtual reality tools?\r\n\r\nAudio complements the virtual environment, both as an enveloping atmosphere and as concrete movements, objects, actions, etc.. \u2013 In other words, everything that makes noise in reality. Of course, it also depends on the use of the VR application. It is not necessary to add sound to every detail for every VR use, and there is also artistic freedom.\r\n\r\nSound also acts as a guiding element according to the motto:\r\n>\"You can overhear elements in VR, but you can't miss them!\".  \r\n\r\nAs already mentioned, we can perceive sound from all directions, i.e. the guiding function of audio can also or especially be useful where we see nothing, namely behind.\r\n\r\nGamers have known this for a long time. Especially in shooter games, enemies are often located by sound localization, even in non-VR games.\r\n\r\nOr, for example, voiceovers of different protagonists can be better distinguished by spatialization. To this end, I did a [link id=\"844\" text=\"Heatmap\"] study to find out if 3D sound really makes a difference. \r\n\r\nLo and behold \u2013 many people in the stereo group were irritated by the voice-over because the voice could not be assigned to a person in the room. So sound can be used as an intuitive storytelling element here.\r\n\r\n[newsletteroptin text=\"Find out how sound can have a healing effect\"]\r\n\r\nAdditionally, VR technology is revolutionizing medical education by enhancing learning experiences, improving communication skills, and facilitating empathy development among medical students.\r\n\r\n##The Role of Virtual Environment in Healing\r\n\r\nVirtual environments have been shown to have a positive impact on patient outcomes and can play a significant role in the healing process. By creating an immersive and interactive environment, patients can be transported to a different state of mind, reducing stress and anxiety and promoting relaxation and calmness. \r\n\r\nThese virtual environments can simulate real-world scenarios, allowing patients to practice and prepare for challenging situations in a safe and controlled setting. For instance, patients suffering from post-traumatic stress disorder (PTSD) can use VR to gradually face and overcome their fears in a controlled manner, leading to better mental health outcomes. \r\n\r\nThe ability to create a tailored virtual environment that meets the specific needs of each patient makes VR a versatile tool in the healthcare sector.\r\n\r\n##Audio in the health, mental health, and medical sector\r\n\r\nSo now let\u2019s move on to medical sound. Audio in the health context can mean many things, from cognitive stimulation to concrete medical use cases. Let\u2019s start with the basics of how our hearing works and what it means for health applications.\r\n\r\n###What is psychoacoustics?\r\n\r\nPsychoacoustics deals with the correlation between our hearing perception and the physical properties of sound. In other words, research is conducted into what sound does in our brain. These are usually quite different things, what one would expect. Our brain sometimes hears things that are not there \u2013 or frequencies not, although they are there.\r\n\r\nThere are a few known effects that reveal that our brain does not always translate sound the way it hits our eardrum. And on the other hand, it is quite flexible in dealing with it. An objective assessment of these effects can provide measurable evaluations of how sound impacts our brain.\r\n\r\nOne example would be the residual tone: We can hear the pitch of an instrument or voice correctly even if the fundamental is removed. This missing fundamental is called a residual tone. \r\n\r\nA concrete example of this would be a telephone conversation; the speakers built into it usually play no lower than 300Hz, but the fundamental of most male voices is well below that. Nevertheless, we can infer the correct vocal pitch of the person on the other end of the line. \r\n\r\nWhat is insanely difficult for artificial intelligence to determine via Deep Learning, our brain does casually.\r\n\r\nAnother psychoacoustic phenomenon is the cocktail party effect. This refers to our ability to selective hearing. In a comparatively noisy environment such as a party, we can focus our hearing so that we understand our conversation partner and block out the rest.\r\n\r\nAlso interesting are auditory illusions like the Shepard scale, also called Shepard tone, a scale that seems to go endlessly higher or lower. But as a matter of fact, these are temporally staggered sweeps that are tonally indistinguishable from each other.\r\n\r\n[ytvideo id=\"u9VMfdG873E\"]\r\n\r\nProbably one of the most important properties of sound for us on a psychological level is that emotions can be triggered. First and foremost, music. This, of course, brings a lot of potential for medical sound, for example, in the treatment of trauma or even relaxation.\r\n\r\n###Where is audio\/sound already being used in health today?\r\n\r\nMedical sound is still in its infancy, but even today sound is already being used in a variety of ways. In the field of sonification, i.e. the acoustic representation of data, the beeping of an ECG machine is a well-known representative. \r\n\r\nThe beeping reproduces the frequency of the heartbeat and in the event of cardiac arrest, a shrill continuous tone sounds \u2013 probably everyone has seen\/heard this in a movie. Spoiler alert: there is still a lot of potential here, because the beeping serves its purpose, but is not exactly pleasant in the long run.\r\n\r\nAlso, the use of ultrasound has long been standard in hospitals. Granted, in that case, sound is used, but just not for auditory purposes. It is also called sonography and is used primarily for the examination of soft tissues. So it is less suitable for bones. But still crazy what sound is actually capable of if you hit the right frequency.\r\n\r\nMusic therapy is a completely different story. As mentioned earlier, music can evoke emotional responses. So music therapy is about harnessing these properties to restore or maintain patients\u2019 mental but also physical health. \r\n\r\nSound is a very personal medium here. Each person associates something with the sound of pattering rain other emotions. Also, our perception is culturally shaped and so for us, a gong may be more relaxing than in Asia.\r\n\r\n[image id=\"16563\"]\r\n\r\n###The Impact of Medical Sound on Patient Experience\r\n\r\nMedical sound has been shown to have a positive impact on patient experience, reducing stress and anxiety and promoting relaxation and calmness. By using sound waves to create a soothing and calming environment, patients can feel more comfortable and at ease, leading to improved patient outcomes. \r\n\r\nFor example, in a busy hospital setting, medical sound can be used to mask background noise, reducing distractions and promoting a more peaceful environment. This is particularly beneficial for patients in recovery, as a calm and quiet environment can significantly enhance the healing process. \r\n\r\nAdditionally, medical sound can be tailored to individual preferences, ensuring that each patient receives the most effective auditory therapy for their specific needs.\r\n\r\n##Best Practice \u2013 Further Thought of Possible Applications of Medical Sound\r\n\r\n###What might the future of medical sound look like in medical education?\r\n\r\nIt is very likely that VR will play an increasingly important role in the medical field in the future. More and more research is currently being done, which is not easy in this area, as special hygiene must be maintained. In addition, we must not forget that we are working with sick people. \r\n\r\nWith VR, there are not only new possibilities for better research into diseases but also new ways of conveying knowledge.\r\n\r\nA prime example is the Stanford Virtual Heart, a medical VR \u201cgame\u201d to illustrate heart defects. This VR application is already being used as a pilot project in 20 cardiology-related institutions to better explain heart defects. Heart defects are considered very complex, which is why knowledge transfer is not easy. \r\n\r\nThe VR application, which is logically designed to be anatomically correct, allows some heart defects to be observed at close range. This is a great aid to understanding, especially for relatives and medical students. \r\n\r\nAdditionally, these advancements facilitate a deeper understanding of human anatomy by allowing students to visualize and engage with the content in ways that go beyond traditional methods, such as cadaver-based learning.\r\n\r\nAs a user, you can even go inside the heart. But let\u2019s get to the actual medical sound: In the case of heart defects, sound plays a decisive role; depending on the defect, the rhythm or timbre of the heartbeat changes. That\u2019s why doctors need a trained ear. The Stanford Virtual Heart therefore also functions as a kind of virtual stethoscope, because the sound design was also created anatomically accurate. \r\n\r\nYou can find an interesting interview with audio examples of the sound design [link url=\"https:\/\/www.asoundeffect.com\/science-sound-design\/\" text=\"here\"]. Shoutout to my friends at Delta Soundworks!\r\n\r\nThis pilot project already hints at the potential of VR and medical sound. So sound designers will be faced with a whole new set of challenges in the future. As you can see from the Stanford Virtual Heart example, an artistic approach to sound is not enough in that case. \r\n\r\nFor example, the question: \u201cwhat does it actually sound like inside the heart?\u201d You also have to deal with the matter from a medical point of view in order to create accurate sounds that can be used for training applications in VR.\r\n\r\n[ytvideo id=\"xW1EMBVmAW4\"]\r\n\r\n###Immersive EEG \u2013 How to turn brain waves into experiences?\r\n\r\nTogether with the company Brainboost, I was allowed to implement a special project with EEG and the brain activities measured with it. It is about audiovisual VR experiences generated from these activities. These primarily serve to combat stress. \r\n\r\nThe user should develop an understanding of how his or her own brain works. What thought patterns trigger stress and how can I guide my brain into relaxation? VR therapy can enhance engagement in rehabilitation exercises and provide immersive environments for mental health treatment.\r\n\r\nVR is very well suited for stress-reducing applications because the environment and thus potential distractions are blanked out. So you can focus entirely on the application. Plus, the audio gives immediate feedback on the data. \r\n\r\nA bit like the ECG beeper \u2013 only much more pleasant. The goal was to discharge the patients with a feel-good factor. So that on the one hand they had a learning experience, but also a pleasant session.\r\n\r\nOf course, sound also plays a major role. With appropriate sounds and music, the calming effect is strengthened and immersive atmospheres do the rest. The emotional effect should not be ignored either. \r\n\r\nUltimately, the project was about learning to control one\u2019s own brain waves and transforming them into resulting VR experiences. If you want to learn more about it, you should check out my [link url=\"https:\/\/www.vrtonung.de\/en\/portfolio\/brainwave-music\/\" text=\"portfolio entry\"].\r\n\r\n[image id=\"16565\"]\r\n\r\n###Medicine sound thought further \u2013 Where is sound still relevant?\r\n\r\nThe noise level in hospitals is increasingly becoming a problem. Not only is a loud environment disturbing, but according to some studies, it even has a negative impact on the recovery period or the well-being of patients. And it\u2019s quite understandable that with so many different sources of noise, it\u2019s impossible for patients to get any rest. \r\n\r\nThis issue is particularly critical in the operating room, where a controlled environment is essential for both patient safety and the concentration of medical professionals. Virtual reality (VR) training for surgeons can simulate these environments, allowing medical students and professionals to engage with surgical procedures remotely, enhancing their learning experience and skills development prior to actual practice in the operating room.\r\n\r\nWhat would be a solution? Certain devices, such as the ECG, have to make noise, so one approach would not necessarily be noise reduction, but an ambient sound design. The devices could be tuned to each other so that harmonious sounds are created, for example. \r\n\r\nSound design of beepers, etc. could also be improved. And yes, where it is possible, noise reduction is probably the best option.\r\n\r\nYou can see here that medical sound is also relevant where you probably wouldn\u2019t have suspected it right away.\r\n\r\n[ytvideo id=\"0aY4SaLA0q8\"]\r\n\r\n##Case Studies and Success Stories\r\n\r\nThere are many case studies and success stories that demonstrate the effectiveness of medical sound and VR in improving patient outcomes and enhancing the overall healthcare experience. \r\n\r\nFor example, a study published in the Journal of Music Therapy found that patients who received music therapy during surgery had lower levels of anxiety and pain compared to those who did not receive music therapy. \r\n\r\nAnother study published in the Journal of Virtual Reality found that patients who used VR during physical therapy had improved range of motion and reduced pain compared to those who did not use VR. \r\n\r\nThese examples highlight the potential of medical sound and VR to treat a variety of conditions, including chronic pain, anxiety, and depression. Whether in hospitals, clinics, or rehabilitation centers, the integration of these technologies into patient care can lead to significant improvements in patient outcomes and overall well-being.\r\n\r\n##Conclusion\r\n\r\nThere is a famous quote by George Lucas that says that sound is 50% of the movie experience. In the case of VR, this value should probably be increased a bit more! You\u2019ve seen how differently VR and medical sound can be used now, so you can only guess what\u2019s going to happen in the future.\r\n\r\nFor me, it\u2019s insanely fascinating that sound can not only be used for entertainment purposes but can literally help people feel better.\r\n\r\nAugmented reality (AR) is also making significant strides in healthcare, enhancing medical devices and transforming patient care with immersive and interactive experiences for diagnosis, training, and treatment.\r\n\r\nSpatial audio and VR are such flexible mediums, so it\u2019s obvious that the possibilities are far from exhausted. Exploring these is one of my main tasks. So when you have ideas or are looking for someone to create the right sound, you know who to contact! \ud83d\ude09\r\n\r\n###Let's talk about your project\r\n\r\nAre you working on a VR experience and the audio still feels flat?\r\n\r\n[Get in touch \u2192](https:\/\/www.vrtonung.de\/en\/contact\/)\r\n","related_articles":[3776,5087,672,4298]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Medical Sound with VR can heal - VRTONUNG - 3D Audio<\/title>\n<meta name=\"description\" content=\"Sound design for medical VR: how spatial audio helps training, therapy and patient experience. 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