A comprehensive database of 25 subjects in-ear physiological signals has been created by researcher Alexis Martin from the EERS-ÉTS Industrial Research Chair in In-Ear Technologies, and may be available in near future, for other researchers too. To request an update on the availability of such database, kindly email Prof. Voix
A free sample of the database, provided as a Matlab binary file, is available for download, and contains the following test conditions:
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- A1, A2, A3, A4, A5 = apnea
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- A6E, A7E = apnea after exercise
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- NP = deep nose breathing
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- NN = normal nose breathing
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- NR = fast nose breathing
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- NE = normal nose breathing after exercise
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- BP = deep mouth breathing
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- BN = normal mouth breathing
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- BR = fast mouth breathing
- BE = normal mouth breathing after exercise
A scientific journal publication detailing the whole test procedure has been recently made available on IEEE Transactions on Biomedical Engineering . If interested to request access to the whole database, please fill the CRITIAS:DB request form.