Move through six listening stations about how a place becomes an audible record. No field recordings are imported. Optional sounds are small, deterministic demonstrations that represent concepts, never real locations.
Six stations, one record. Layers, attention, change, position, people and context.
Documentary boundaryNo imported recordings, voices or location audio.
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Listening controls
Your pace, your bandwidth
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Failure-state companion
Keep listening when an optional feature fails
The essay and exercises do not depend on synthetic audio, browser storage or clipboard access. If one of those capabilities fails, this panel keeps the recovery path explicit without fetching replacement media or sending your notes anywhere.
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Boundary: these are browser-capability failures, not documentary gaps. They do not change the source record, uncertainty labels, or the fact that ICU imports no location recordings here.
01
Ambience · the continuous field
The place is more than its loudest sound.
A listener often remembers the bell, shout or engine. Preservation starts one layer lower, with the bed that made those events feel near, distant, expected or strange.
The National Park Service distinguishes an acoustic environment, the physical combination of sounds in an area, from a soundscape, the way that environment is perceived. A recording is not the whole place, and one listener’s account is not every listener’s experience. S3
ICU listening lens: layers describe attention, not fixed categories.
Listen without audio
Find the floor
Sit still for one minute.
Name a sound that seems continuous.
Notice what disappears when a louder event arrives.
Describe it without guessing the source.
Synthetic concept demo · 8 seconds
Bed, pulse, event
Sound description: a quiet filtered-noise bed continues while three soft tones recur; one brighter tone crosses above them near the end.
02
Foreground · the attention layer
A foreground sound is a relationship, not a permanent rank.
What commands attention changes with distance, purpose and familiarity. The same chime can be a landmark, interruption or unnoticed routine.
The World Soundscape Project grew from sustained attention to a changing sonic environment and joined listening with documentation in its Vancouver study and later recording tours. S2
ConstantWhat forms the floor?Traffic wash, ventilation, insects, room tone
RecurringWhat marks a rhythm?A signal, bell, door, call or machine cycle
SingularWhat changes the scene?An arrival, alarm, cheer or sudden silence
Listen without audio
Move one sound forward
Choose one recurring sound.
Write what happens before it.
Turn away or move a few steps.
Record what changed: loudness, clarity, meaning or nothing.
Synthetic concept demo · 7 seconds
Attention shifts
Sound description: a low tone and soft noise begin together. A repeating two-note signal gradually becomes clearer while the background recedes.
03
Temporal change · the return
One recording is a document. A return can become a comparison.
A sound memory is a moment. A listening practice makes the moment legible beside another one, while keeping changed weather, route, activity and access in view.
The World Soundscape Project’s history includes later revisits and reissues; National Park Service guidance describes baseline conditions and repeat monitoring as reference points for change. S2S4
First visitDescribe position, time, conditions and uncertainty.
ReturnRepeat what can be repeated; record what cannot.
CompareSeparate a noticed difference from an explanation for it.
Listen without audio
Plan a return
Choose a repeat visit with a consistent position and duration, then name the conditions that will remain uncertain.
Fictional concept demo · 10 seconds
Fictional A/B snapshots
Sound description: snapshot A has a low hum, spaced clicks and a soft high tone. Snapshot B keeps the hum, removes a click and adds a faster pulse.
04
Spatial perspective · where you stand
Where you stand becomes part of the evidence.
Direction, enclosure, distance and motion alter what becomes clear. A record that omits position makes later comparison harder.
Data collection guidance treats an inventory and a baseline as contextual work, not merely a sound file. S4
ICU orientation graphic. Position must be described; the circles are not distances.
Listen without audio
Three safe positions
Listen from three permitted positions without recording. Note direction, movement, one difference and one uncertainty.
Synthetic concept demo · 8 seconds
Left, center, right
Sound description: a soft repeating pulse moves from left to center to right while a quiet centered tone stays fixed.
05
Voices · consent and access
A voice is never just ambience.
People shape places, narrate them and may have their own expectations for access, reuse and silence.
The Oral History Association frames oral history as a collaborative relationship, emphasizing respect for narrators and communities, ongoing participation and attention to power, expectations and constraints. S6
Before
Explain the project
Purpose, audience, storage, access, reuse, withdrawal limits and responsibility.
During
Keep agency visible
Pause, redirect or stop when requested. Participation is not unlimited permission.
After
Steward the record
Carry restrictions, names, context and review decisions with each accessible copy.
Listening exercise · no recording
Notice who is missing
List who shapes a place’s sound, whose account is easiest to collect, who may be overlooked and who should help decide access. Silence can mean absence, exclusion, refusal or simply a moment you did not witness. Do not guess which.
06
Metadata · the memory around the file
Without context, a waveform forgets where it came from.
A durable listening record needs more than a filename. It needs enough context to be found, interpreted, compared, protected and, when necessary, withheld.
IASA-TC 03 presents audiovisual preservation as a chain that includes primary and secondary information, data management, storage and preservation metadata. S5
01Audio objectOriginal or preservation master
02ContextPlace, time, creator, method
03RightsConsent, restrictions, review
04IntegrityFormat, checksum, migrations
05Access copyTranscript, description, delivery
06Future listenerMeaning with uncertainty intact
Close the loop
Write the label before you record
Draft a label with place, local date and time, position, duration, method, creator, audible people, permission state, conditions, alterations, related records and unanswered questions. Write “unknown” instead of inventing a field.
Browser-local worksheet
Design a sound memory
Describe a place before deciding whether any recording is appropriate. The structure borrows Sound Canvas’s idea of arranging labeled elements into portable JSON.
Generated from your local notes
Your sound memory will appear here.
Complete any field and choose “Build memory card.”
Source-visible research
Source cards
Every factual thread points to a specific record. No recording, photograph, logo or page image from these sources is copied into this companion.
S1 · ICU resource
Soundscape museums: preserving place through listening