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Cheryl Leonard is a San Francisco-based composer, performer, field recordist, and instrument builder whose works investigate sounds, structures, and objects from the natural world. Her projects cultivate stones, wood, water, ice, sand, shells, feathers, and bones as musical instruments, and often feature one-of-a-kind sculptural instruments and field recordings from remote locales. Leonard is fascinated by the subtle textures and intricacies of sounds, especially very quiet phenomena. She uses microphones to uncover and explore micro-aural worlds within her sound sources, and develops compositions that highlight the unique voices she discovers. Structurally and thematically, her creations often reflect on natural phenomena and processes. Her recent work focuses on environmental issues, especially climate change in the polar regions and California and the extinction of species.

The Nature Sounds Society is a world-wide organization whose principal purpose is to encourage the preservation, appreciation and creative use of natural sounds. The Society promotes education in the technological, scientific and aesthetic aspects of nature sounds through its programs and a diverse network of contacts.

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Earth.fm is a non-profit, growing library of 700+ immersive natural soundscapes from all over the world. Inspired by the life-changing teachings of Zen Master Thich Nhat Hanh, our aspiration is to help each other wake up to the miracle of Mother Earth and do everything in our power to support her.

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Ulrich et al. [6] used video films with sound and found faster physiological stress recovery during exposure to films depicting nature compared with urban environments. However, Ulrich et al. did not control for sound pressure level. Indeed, the soundtrack to their films of urban environmental settings had considerably higher sound pressure levels than the soundtrack to the films of nature environments. This makes it difficult to determine whether the effect was related to the characteristics of the environments or to differences in sound pressure levels. So, although positive effects of visual natural environments are well established, no research has been done using only auditory stimulation with controlled stimuli and sound pressure levels.

During the baseline period, the participants were asked to relax in silence. At the end of the period a prerecorded female voice reminded them that the first stress test was about to begin. After the stress test, the female voice instructed the participants to relax and one of the four experimental sounds was presented. This switch between stress test and recovery was repeated three more times (see Figure 1).

Figure 3 suggests that although SCL immediately after the stressor was similar for the different conditions, recovery was faster during exposure to the nature sound than to the three noise conditions. The ambient and low noise had the second fastest, and high noise the slowest recovery. A slight upswing during the last 50 seconds of the recovery period was seen for SCL recovery during the high noise, possibly reflecting an increased arousal due to prolonged exposure to the unpleasant noise. In a 4 4 mixed ANCOVA, the mean SCL for each participant during the recovery period was used as the dependent variable, sound as a within-subjects variable, and presentation order as a between-subjects variable. The baseline measure was included in the analysis as covariate [27].

where y is baseline corrected SCL, x is time (in seconds) and b1, b2 and b3 are constants. Figure 4 shows the fitted functions for the four experimental sounds. The fit, R2, for the nature sound, low noise and ambient noise was > 0.99, it was slightly lower for the high noise, R2 = 0.96. RMS-error for the nature, high noise, ambient and low noise sound was 0.0088, 0.017, 0.0090 and 0.0097 S, respectively. The half life recovery was calculated using Equation 1, by solving for x at the point where SCL had been reduced by half, compared with its value at x = 0 (see dotted line in Figure 4). The high noise had the longest half life of 159.8 s, the half life of the other three were 121.3 s for ambient noise, low noise 111.4 s and nature sound 101.3 s. Reliable statistical testing of individual half life values was not possible, since the estimated constants in several cases generated complex numbers, that resulted in missing data when half life values were calculated.

Skin conductance level (SCL) as a function of time, shown separately for the four sounds. Curves were fitted to the group data. Constants of Equation 1 and half life value (x) are indicated in each diagram.

The present results suggest that recovery from sympathetic arousal is affected by type of sound (nature sound versus noise). Recovery was faster during the nature sound (50 dBA) compared with the noises, including the low noise (50 dBA) and the ambient noise (40 dBA). The mechanisms behind the faster recovery could be related to positive emotions (pleasantness), evoked by the nature sound as suggested by previous research using non audio film stimuli [9]. Other perceptual attributes may also influence recovery. The Ambient noise was perceived as less familiar than the other sounds (Figure 2), presumably because it contained no identifiable sources. One may speculate that this lack of information might have caused an increased mental activity and thereby an increased SCL, compared with the nature sound (cf. [28]). An effect of sound pressure level can be seen in the difference between high and low noise, this difference is in line with previous psychoacoustic research [12] and is not a surprising considering the large difference (30 dBA) in sound pressure level.

This page highlights the multiple uses of myNoise, but features only a selection of the extensive library available for free. Visit the Full Index page (also available from the hamburger menu) to discover the many other sounds available for free. Be prepared to be amazed!

Research suggests that visual impressions of natural compared with urban environments facilitate recovery after psychological stress. To test whether auditory stimulation has similar effects, 40 subjects were exposed to sounds from nature or noisy environments after a stressful mental arithmetic task. Skin conductance level (SCL) was used to index sympathetic activation, and high frequency heart rate variability (HF HRV) was used to index parasympathetic activation. Although HF HRV showed no effects, SCL recovery tended to be faster during natural sound than noisy environments. These results suggest that nature sounds facilitate recovery from sympathetic activation after a psychological stressor.

The most calming sounds from nature available as both free soundtracks and landscape videos in 4K UHD quality. Calm down your body and mind with the most soothing sounds of rain falling, the wind blowing, and birds singing their songs. If you like listening to bad weather sounds, we have roaring thunderstorms with lightning, rainstorms, and ocean storms with large waves crashing. Nature Sounds TV is the best site for sleep sounds, with new free videos posted every week

Browse nature sounds by categories to narrow down your search for the perfect sound to calm down with or use as a sleep sound when you go to bed at night. These categories are packed with nature sound videos covering everything from the shooting sound of birds singing, to loud intense thunderstorm sounds. No matter what type of nature sounds you find the most relaxing, you should be able to find something here. All of our videos also loop indefinitely by themself

Background: Postoperative pain and anxiety are common in cardiac surgery patients. Studies have suggested that music can decrease anxiety in hospitalized patients. Primary Study Objective This study focused on the efficacy and feasibility of special music, which included nature sounds, for pain and anxiety.

Conclusion: Recorded music and nature sounds can be integrated into the postoperative care of cardiovascular surgery patients. The recordings may provide an additional means for addressing common symptoms of pain and anxiety while providing a means of relaxation for these patients.

Researchers at Brighton and Sussex Medical School (BSMS) found that playing 'natural sounds' affected the bodily systems that control the flight-or-fright and rest-digest autonomic nervous systems, with associated effects in the resting activity of the brain. While naturalistic sounds and 'green' environments have frequently been linked with promoting relaxation and wellbeing, until now there has been no scientific consensus as to how these effects come about. The study has been published in Scientific Reports.

In collaboration with audio visual artist Mark Ware, the team at BSMS conducted an experiment where participants listened to sounds recorded from natural and artificial environments, while their brain activity was measured in an MRI scanner, and their autonomic nervous system activity was monitored via minute changes in heart rate. The team found that activity in the default mode network of the brain (a collection of areas which are active when we are resting) was different depending on the sounds playing in the background:

When listening to natural sounds, the brain connectivity reflected an outward-directed focus of attention; when listening to artificial sounds, the brain connectivity reflected an inward-directed focus of attention, similar to states observed in anxiety, post-traumatic stress disorder and depression. There was also an increase in rest-digest nervous system activity (associated with relaxation of the body) when listening to natural compared with artificial sounds, and better performance in an external attentional monitoring task.

Interestingly, the amount of change in nervous system activity was dependant on the participants' baseline state: Individuals who showed evidence of the greatest stress before starting the experiment showed the greatest bodily relaxation when listening to natural sounds, while those who were already relaxed in the brain scanner environment showed a slight increase in stress when listening to natural compared with artificial sounds. ff782bc1db