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The existing epidemiological evidence is limited and shows mixed results. However, it is plausible that exposure to air pollutants, particularly PM 2. Considering the small number of studies relative to the demonstrably large global health burdens of air pollution and TB, further research is required to corroborate the findings in the current literature.

Based on a critical assessment of existing evidence, we conclude with methodological suggestions for future studies. Small elevation changes in the ground floor follow the ones originally found on the site. While living room, dining room, kitchen, and utilities are on the same elevation as the entrance, changing room, gym, spa, and large indoor swimming pool are on the same level as the garden.

Large openings between living quarters and garden mean that daily life spills out to the exterior. Where a change of elevation appears in this unified space, the architect chooses to address it with oversized steps.

These now become a functional element used for sitting and socializing. The boundary is additionally blurred by the use of similar wooden flooring inside and outside. While the daytime activities take place in the connected space of living room and garden, access to the second floor is at its back, next to the main entrance. Light cantilevered staircase is the main vertical communication, climbing through a double height opening to reach a galleria connecting four bedrooms.

Larger of them are at the two ends, two smaller sandwiched between them. Where bedrooms are facing the garden, the long loggia in front of them is again an intermediate, transitioning layer. The effect can be increased or reduced by opening or closing large wooden shutters, either blocking or filtering the light that reaches the bedrooms The low, east-west sprawling wing houses a large, seventeen meters long indoor swimming pool. The shell of this volume is open on three sides.

Large, floor to ceiling glass panels form a thin veil towards the garden. At its far side, a window frames the horizon. The roof above the pool, perforated by large skylights, is a terrace, accessible from the master bedroom and loggia.

Our basic denoising procedure consists in separating a noisy audio file into coherent and noisy components. The decision what to consider as noise is carried out automatically by an adapted local trigonometric transform, ALTT, with entropy-driven basis selection see References. Applying our procedure to a noisy recording of Enrico Caruso, dated , yields these intermediate results on a first pass:.

The top window shows the original recording AIFF ,. WAV ,. The middle window shows the coherent component, extracted through a single-pass procedure AIFF ,. As you can hear, a fair amount of music still remains embedded in the residual noise. Although that amount can be controlled--within limits--by tweaking the various parameters of the denoising algorithm, multi-pass procedures yield better results.

First, we can reapply the denoising algorithm iteratively to the noisy file, and its components, thus pealing away layer after layer of noise.

The resulting coherent files are then added together.