There's a new type of microphone-attachment for non-audible murmur recognition. http://library.naist.jp/dspace/bitstream/10061/7966/1/EUROSPEECH_2003_2601.pdf

There's a new type of microphone-attachment for non-audible murmur recognition. http://library.naist.jp/dspace/bitstream/10061/7966/1/EUROSPEECH_2003_2601.pdf http://library.naist.jp/dspace/bitstream/10061/7966/1/EUROSP... Another gadget to wear, but better design and miniaturization can help.