Sources of Acoustic Evidence
Surveillance: - Overt - CCTV
- Covert (listening devices, telephone intercepts)
- Incidental (such as an incident recorded accidentally or in the background to something else)
Logged Calls:
Emergency services (999, 911 etc) Careline" services Calls to banks, other financial institutions, insurance companies, bookmakers Calls from prison Radio communications (such as Coastguard, Air Traffic Control, Taxis, Railway Signalboxes Other sources: - Voicemail
- Notes and memos
- Broadcasts (such as commercial radio or television, "Youtube")
- Courtroom proceedings
- Hearings, tribunals, inquests
- "Black box" recordings
- "Fakes"
- Recordings from meetings, rallies, protests
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