This archive item contains a single continuous field recording recovered from the crushed Zoom H6 I removed from Dr. Arlo Finch’s possession after he was found wandering the A30 in a catatonic state. What begins as a routine ambience survey at Castilly Henge quickly becomes a sequence of escalating pressure anomalies. Finch detects infrasonic pulses rising from the ditch, rhythmic fluctuations in air density, and soil movement that appears to respond as if to a buried heartbeat.

The disturbance intensifies into a layered resonance event involving RF contamination, sub-bass vibration, and a series of auditory phenomena Finch believed were the sounds of an ancient battle emerging through the mist. The recording captures distorted shouts, impacts, mass movement, and what he interpreted as the fall of a colossal figure standing up from the earth itself.

The event ends in a pressure wave powerful enough to crush the recorder’s aluminium chassis while leaving Finch physically unharmed but mentally broken. His fixation on returning giants, combined with the recurring pulse signature I have now identified in other archive items, forms the basis of my continuing analysis of this case.

Takeaways:

• The investigation into Dr. Arlo Finch's experiences at Castilly Henge reveals profound implications regarding the nature of sound and its psychological effects.
• Dr. Finch's mental state deteriorated significantly after encountering an inexplicable phenomenon that may have involved both auditory and visual hallucinations.
• The peculiar acoustic properties of Castilly Henge were intended to create a zone of absolute silence, yet instead may have exposed Finch to overwhelming pressures.
• The evidence gathered suggests that the event Dr. Finch recorded was not merely auditory but involved a physical manifestation that altered his perception of reality.
• The analysis of the audio file indicates a potential military connection, suggesting that Dr. Finch's recording inadvertently captured classified transmissions during his fieldwork.
• The psychological ramifications of the incident led Dr. Finch to a severe mental breakdown, characterised by his belief in the presence of giants lurking in shadows.

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