Feeds

Whistling dolphins wired for sound

Just put your lips together and blow

Internet Security Threat Report 2014

Boat-shy dolphins could soon be located via software that identifies what the species is by listening to the individual whistles the marine mammals make.

According to a new study by the Acoustical Society of America (ASA), identifying different types of dolphins could help observers monitor any fall in the number of sightings of the mammal.

Traditionally, surveys are performed by monitoring dolphins for possible harm from fishing fleets by observing the animals from a boat.

However, as many dolphins spend a lot of time underwater – what with them being animals of the sea and all – visual sightings can be difficult to accurately measure; there is also the further complication for observers that some species are shy of boats.

The ASA said it has turned to acoustics in the hope of providing more accurate data on dolphin activity in heavily fished areas where the mammals are at greater risk of being harmed.

It found in tests that dolphins make a variety of sounds that include species-specific whistles made up of frequencies between two and 30 kilohertz, reports the New Scientist.

The marine-life research group trailed a microphone from a survey boat and then fed the sound they picked up from dolphins to an on-board computer.

It said that specially developed software was then able to identify eight types of dolphin with up to 80 per cent accuracy.

More from the ASA here. ®

Internet Security Threat Report 2014

More from The Register

next story
Antarctic ice THICKER than first feared – penguin-bot boffins
Robo-sub scans freezing waters, rocks warming models
I'll be back (and forward): Hollywood's time travel tribulations
Quick, call the Time Cops to sort out this paradox!
Your PHONE is slowly KILLING YOU
Doctors find new Digitillnesses - 'text neck' and 'telepressure'
Reuse the Force, Luke: SpaceX's Elon Musk reveals X-WING designs
And a floating carrier for recyclable rockets
NASA launches new climate model at SC14
75 days of supercomputing later ...
Britain's HUMAN DNA-strewing Moon mission rakes in £200k
3 days, and Kickstarter moves lander 37% nearer takeoff
prev story

Whitepapers

Seattle children’s accelerates Citrix login times by 500% with cross-tier insight
Seattle Children’s is a leading research hospital with a large and growing Citrix XenDesktop deployment. See how they used ExtraHop to accelerate launch times.
How to determine if cloud backup is right for your servers
Two key factors, technical feasibility and TCO economics, that backup and IT operations managers should consider when assessing cloud backup.
Getting started with customer-focused identity management
Learn why identity is a fundamental requirement to digital growth, and how without it there is no way to identify and engage customers in a meaningful way.
Reg Reader Research: SaaS based Email and Office Productivity Tools
Read this Reg reader report which provides advice and guidance for SMBs towards the use of SaaS based email and Office productivity tools.
Beginner's guide to SSL certificates
De-mystify the technology involved and give you the information you need to make the best decision when considering your online security options.