c# - ECG TOOLKIT WaveFormData Encoding -

i'm using ecg toolkit convert dicom muse-xml.

all works well, i'm not sure how decode waveformdata property.

i expect numeric values 7,7.1,7.2 code below.

does know how decode this?

> <waveformdata> > fgawabyafgawabuafqavabuaewatabmafqauabqaegasabiaegatabmaegasabiaegarabaaeaaqaa8aeaar > abeaeqaqabaaeaapaa8adgaoaa0adqanaa0adaanaa8aeaaqabaadwapaa0adqamaawadaaoaa4adgapabea > eqasabmaewauabuaewasabiaegaqaa4acgaiaacabgadaaiaagabaaaaaad+/////////////v/9//3//v// > /waaaqacaaiaawacaaiaawaeaayacaakaasacwanaa0adaamaa0adqanaa4adgaoaa0adqanaa0adqanaa4a > dgaoaa8adwapaa4adgaoaa4adwapaa8aeaarabiafqaxabgagqaaabwahaacabwaggaraama8f/y/73/pp+n > /3p/v/85/x//cf/6/u3+7p7w/vr+dp8f/zt/sv9j/3v/k/+n/7v/zf/g/+7/+p/+/wuacgaqabmafgawabya > fqawabyafqavabcagaaaabsagwababsahaadab0ahqacab0agwababsahaababsagwacabwahaaaaboagqaz > absagwacabwahaadabwahaababsahaadab8ahwafacaahgaeab4ahwafab8ahgaeabwahaacabwahqaeab0a > hgaeab8aiaagacaaiqagacaaiaahacaaiaaeab8aiaahaceaiaafab8aiaagaceaigaiaciaiqahaceaiqah > aceaiqagacaaiqahaciaiqahaceaiqagacaaiaagacaahwafab8ahqacabwagwaaaboaggaaabkaggaaabka > fwaxabyafqasabeaeaaqabeaeaapabaaeqarabaaeaaqabaadwapaa8aeaaqabaadwapaa8adwapaa8adwar > abeaeqapabaadganaa0adqanaa0adqanaa0adgapabaaeaapaa8adwapaa8adwapaa8aeaaqaa8adwapaa8a > dgaoaa4adwapaa8adwaoaa4adqanaawadaalaawadaamaasacwakaaoacgamaawadaalaasacgajaagacaaj > aakabwaiaakacaaiaagabwagaauabqafaauabqafaauabgagaauabqagaauabqafaayabqafaayabwahaaya > bgagaayabgafaauabqafaauabaaeaaqabqafaauabqagaayabgahaakacwalaasacqajaaoacqahaayaawac > aaaa///+//z/+//6//n/9//3//f/9//3//f/+p/4//n/+v/7//v//v8aaaaaaaaaaaeaagadaaqaagadaama > baagaauabqagaayabgahaacabgafaauabgaiaakacqakaaoacgaiaacabqaeaaqabaaeaacacqalaa4aeqat > abcaggababsahaaeab0ahaababkaegadapd/1f+6/6d/if9v/1t/nv8f/wn//f70/vx+/f4k/xz/m/9k/2l/ > ef+p/6l/s//d/9t/5p/v//j///8gaawaeaauabyafgavabuaegasabeaegavabgagqazabkagqazabgafwax > abcafwaaaboagaawabyafgatabiaewavabuafwaxabcafwaxabcagaaxabgagwacabsagwababoagaaxabua > fwaaabwahqaeab4ahqazabgafgavabuafgaxabkagwababkafgarabeaegayab0aiaagab4agwazabuaeaao > abaaewazab4ahwafab4ahaacabsagwababsagwababkagqayabyaewavabcagqaaabwahaababoafwavabua > fqauabiaegatabmaewatabiaeqarabaaeaapaa4adgaoaa8aeqarabeadwanaawacgamaawadqaoaa4adaak > aagabwahaakacwalaawadaamaaoacqaiaayabgaiaagacqajaakacaaiaayabqagaagacaajaaoadaalaaoa > cwalaaoacaajaacabwahaacabwahaagacqaiaakacqajaagabwagaacabwahaacabwahaayabgahaacabwah > aacabgafaaqaawadaaqabqafaauabaadaaiaagadaamabaaeaamaawacaaeaaad//waaaaaaaaaaaaaaaaaa > ///+//3//f/9//3//p/8//v/+//8//3//f////////////////////7//v/9//v/+v/6//r/+//7//v/+//8 > //z//p/9//3//p/9//3//////waaaaaaaaaaaqabaaeaaqaaaaaaaaaaaaaa/f/7//r/+p/3//b/8//x//d/ > 7//t/+v/6//r/+r/6//t/+3/7f/u//d/8f/x//l/8//0//l/8f/x//t/+p/7//v/+//8//3//f/8//z//p/9 > //3//f/9//3//f/9//3//f/+///////9//3//p/8//z//f//////aaaaap//aaaaaaiaagadaayacaaiaaoa > dqaoaa4aeaaraawa/v/r/9l/uf+g/4r/cv9u/zl/ff/7/uz+4f7g/ub+8v4e/xf/kv9a/1b/cp+j/57/sv/e > /9t/4f/t//p/+p/+/wmabwajaaoacgahaauabaabaaiabqahaagacgakaaoacwamaa0adqanaawacgaiaaua > bqafaayacaakaa0adganaa0acwakaagacaakaaoacgakaasadaamaa0adganaawadaamaawadqanaawacwal > aa0adaanaa0adqanaa0adqanaa0adgaoaa4adqanaawadaanaa0adqaoaa4adgaoaa0adqaoaa4adganaawa > dqanaa0adwaqabeaeqasabiaegaqaa8adwapaa8adwapaa8adwaqabaaeaaqabaaeaaqabeaeaaoaa4adqam > aasadaanaa0adaalaaoacgalaaoacqaiaagacaajaagabgaeaamabaadaaiaagadaaqabaadaamaagacaaia > awaeaauabqaeaamaawacaaiaagadaaqabqaeaamaawadaaiaaqabaaeaagacaaiaagacaaqabaafaaqabaae > aaqabaafaauabqaeaaqaawaeaaqabaacaaiaagadaamaawadaaqabqafaauabgagaayabqaeaaiaagacaaea > aqacaamaawadaaeaaaaaaaeaaqabaaiaaqaaaaaaaaaaaaaaaaaaap////8aap////8aaaaaaaabaaeaaad/ > //7//v/9//z/+//7//v//p/8//3//f/+//7//////waa///+//3//f/9//7//v////7//v/8//3//v///waa > aaaaap/////////////////////+//7//v/+//7//f/+//7//f/+////aaaaaaaaaaaaaaeaagadaaiaagac > aamabaafaamaaqd///3/+//4//x/8//x//h/8f/w/+7/7f/p/+j/5//n/+j/6f/p/+3/7//w//h/8v/y//l/ > 8p/y//x/+f/8//3//f/9//7//v/8//z//p/9//3//v/+//7//f/8//v/+//8//3//v/+/waaaad//////v// > ///////+//7///8baaiabqaiaasadqanaa8aeaapabaaeqaqaaoa+v/j/8f/qp+p/3n/x/9b/yh/bf/u/ul+ > 1/7x/uh+8p4f/x3/np9l/2p/ff+u/6j/u//m/93/6p/y//j//v8daagacwanaa0adqamaaoabwagaayacqal > aawacwalaaoacwanaa8adwapaa4adwaoaa4adqapabeaewatabuaewasaa8adgaoaawadaamaawadgapabea > eqarabeaeqarabeaeqarabeaegasabiaeqasabmaegarabeaeqarabmaewatabmaewauabmaewasabiaegat > abqafqavabyafgavabeaeqatabuafqatabmafaavabuafgawabyafgawabyafgavabuafqavabqafaavabua > fqawabyafqavabmafqavabuafaatabmaegaqabaaeaapaa4adganaa0adaamaasacgajaakacgakaaoacqah > aacacqaiaacabwaiaagacaajaakacqajaakacqajaagacaahaacabwahaacabgagaauabaaeaamabaafaaqa > baaeaaqabqagaacabwahaagacaahaayabgagaayabwahaagacaakaaoacqaiaagacaahaayabgahaacabwah > aacabwafaauabqafaauabgagaayabgagaauabgagaacabwahaayabqafaaqaawadaaqabaadaamaawadaama > awacaaeaaqabaaeaagacaamaawaeaamaaqaaaaaaaqacaaiaawacaamaawacaaaaaad///////8aaaaa//// > /waaaaabaaeaagacaaiaaad//////////waaaaaaaaaaaaaaaaaaaad/////aad///7///8aaaaaaqaaaaaa > //////7//f/+//7//v/+//7//////////v//////aaabaamabaaeaauabqaeaaiaaaaaaaeaawaeaayacaaj > aacabqaeaamaawabaaaa/v/8//r/9v/1//p/8//0//x/9v/3//f/+p/5//r/+//7//r/+v/6//r/+f/5//v/ > /v8aaaeaagaeaayabwagaayabwahaauabaadaamaaqabaaiabqaiaaoadaamaawadqanaawacqajaakacqak > aasadaanaa4aeaasabyagaaaabsahqadab0ahqacabuacad2/+d/yp+w/5n/fv9g/0h/j/8p//7+7/7q/uz+ > 9f4g/xr/mv9j/2h/ef+r/6x/up/k/9z/6f/0//r/agajaa8afqazaboaggazabcafqavabcagqacab0ahqac > absagwacabwagwababoagwacabwahaadabwahaacabwahaacabsagwaaaboaggaaabsagwababsahaadab0a > hgadab0ahqacabwahqadab0ahqadabwahaababsagwadab4ahgacabwaggababsahaadab0ahqaeab0ahqad > ab0ahqadabsaggababwahaacabwahqacab0ahwafab8ahwafab8ahwaeab4ahgaeab0ahqaeab0ahqaeab4a > hgaeab0ahqadab0ahqacabwagwaaaboaggazabgagaayabcafgawabyafqasabiaeqasabiaeqaqabaaeqap > aasadaanaa4adgaoaa4adgaoaa4adgapaa8adwaoaa4adganaa0adaamaawadqaoaa0adqanaawadaamaawa > dqanaa0adqanaa4adgaoaa0adqanaa0adqanaa0adgapaa4adqanaa0adqamaawadaanaa0adaamaasacwak > aasadaamaawadqanaawadaamaasadaanaa4adgaoaa0adqamaasacwalaaoacgajaakacqajaakacqajaaga > bwahaacabwahaayabgahaacabgagaayabqafaauabqaeaaqabqagaayabgagaacabgagaayabqaeaauabgah > aacacaahaacabwahaayabgagaauabqaeaaqabaaeaauabgagaayabgagaauabqagaauabqaeaauabqafaaua > bgagaayabwahaacacaahaacabgagaayabgafaauabgahaacacaajaaoacwamaaoacqajaasacgakaaoacqah > aayabgaeaaeaaad9//v/+f/4//j/+p/4//n/+f/5//r/+//8//z//f///waa///9//7//v8aaaeaagadaaqa > baaeaamaawaeaaqabaafaauabgafaauabqafaayabgahaacabwaiaagacaahaagabgahaagacgalaawacwam > aa8aegauabuafgayabgagaaxabuadaaaao//2//e/6r/kp90/1t/nv8d/wb/+p7r/un+7p7z/gh/ep8l/zv/ > u/9s/4p/mp+s/7//0f/e/+r/8v/8/wmacqanabeaegatabqaewatabmaewawabcagaayabgafwayaboaggaz > abkaggababkagqayabgafwaxabcagaayabgafwaxabyafgayabgagqazabkagqaaaboaggaaabsagwababoa > ggababsagwaaabkagaayabcagaawabyafgaxabcafwayabkagqazaboaggazaboagwacabwahgaeab4ahaab > abwahaacabsagwababwahaadabwagwababsagwababsagwababsaggaaabsaggaaabsaggazabkagaayabga > gaayabgagqayabcagaayabcafgawabyafgavabyafaasaa8adwaoaa8adwaoaa0adaanaawacwanaa4adgao > aa4adganaawadaamaa0adqanaawadaamaasacwamaawadgaoaa8adgaoaa4adgaoaa0adqanaa0adqanaa4a > dwapaa4adqanaa0adqaoaa4adgaoaa8adwaoaa4adgaoaa0adqanaa4adgaoaa4adgaoaa0adqanaa0adqan > aa0adaamaawacwakaaoacwalaasacqaiaagacaaiaagacqajaagacqajaagacaaiaagacaaiaagacaaiaaga > caaiaagacaaiaagacaahaacabwahaayabwahaacabwahaayabgafaayabgafaaqabqafaayabgahaayabgag > aayabgagaayabgagaauabaadaamaawadaaqabaaeaaqabqafaauabqadaaiaagabaaiaawaeaaqabaaeaaua > bqafaauabaadaauabgagaaqaagaaaaaa///+//3//p/6//f/9f/z//p/9f/1//b/9f/1//x/9f/2//f/9//4 > //n/+f/5//j/+p/6//z//v/+//7///8aaaaaaaaaaaaaaaaaaaeaaqabaaeaaqaaaaaaaaaaaaeaaqabaaaa > aaaaaaeaaqacaaiaawadaaqabqagaacacqakaawadaaoabeaeqarabmaewanap//6//q/7t/l/9//2b/r/8n > /wr/8p7h/tx+1p7z/uj+/f4s/yj/pv9v/3h/jf+k/7r/zf/d/+n/9p/6////bganabiaewatabaadwaoaa0a > daanabaaeqasabiaeaapaa8adwaqabaaeaaqabiaewavabyagaayabgagaayabgafwavabmaewarabiaeqar > abeaeaarabeaeqasabmaewatabmaewatabqafaatabiaegauabmaewavabuafqawabcafwawabuafgawabya > fwaxabgagaazabkaggazabkagqayabgagqaaabsagqaaabsahaacab4ahgadabwahaacabwagwababsagwaa > absahaacabwahqadab0ahqacabsahaadab0ahaadab0ahqababsagqaxabcafgauabiaeqaqaa4adaamaawa > daamaasacgajaakacaagaayabgahaacabwahaacabwahaacabgagaayabgagaayabqaeaamaawaeaaqabaad > aamaawacaamaawadaaqabaadaamaawaeaaqabaadaaqabaafaamabaafaauabgagaaqabaaeaaqaawadaama > baaeaauabqafaauabaadaamaawadaamaawacaaiaagabaaeaaqacaaiaagaaap////////////8aaaaaaaaa > aaaaaad///7//v/9//3//f/9//3//v/9//3//f/9//3//f/9//3//p/7//v//p/8//3//f/+//z//p/8//z/ > +//7//r/+v/6//r/+v/9//7////+//7//f/9//z//p/9//3//f/8//z//p/8//z/+//7//z/+//7//v/+v/6 > //n/+v/6//v/+//7//v/+v/4//j/+p/4//n/+v/7//z//p/9//7////9//3/+//8//z//f/9//3//v8aaaaa > aaaaaaeaaqabaaaaaaabaaiaaqaaap///f/8//r/+f/3//x/8//y//h/8f/y//l/8v/y//l/8v/z//t/9f/1 > //f/9v/3//x/9p/0//b/+p/6//r/+//8//3//v/9//z//p/9//7//v/+//7//f/9//3//f/+////aaaaaaaa > aqacaaiaaqabaaiaagadaamaawadaaqaawaeaacacgakaawadwapaa8adwaoaaga+v/p/9h/up+f/4j/bf9q > /zl/fv/9/uz+3p7x/tj+4f7v/gp/f/8u/0f/yf96/5d/pp+4/8r/2f/k/+z/9p/7/waabgalaasacwalaaoa > cgahaagacwanaa8aeaaqaa8adwarabeaeaaqaa8aeaaqabaaeaasabmaewasabeaeqaqabaaeaaqaa8aeaar > abeaeqaqabeaeqarabeaegasabiaegasabiaewatabmaegasabmaegatabmaewatabmaegasabiaewatabqa > ewatabmafaatabmaewavabyafwaxabuafqaxabkaggayabgagaazabkagwababsagwababsagwazabkagqaz > abgagaazabkafwaxabcafwayabkagqazabkagqayabgafwawabyafwavabqafqavabmaegasabiaeaaoaa4a > dqanaa0adaalaaoacwakaagacaajaacabwahaagacaaiaagacaajaakacqajaakacqaiaagacaaiaakacqaj > aagacaaiaacabgagaayabwahaacabwahaagacaaiaacacaaiaagacaaiaagacaajaakabwahaacabwagaaya > bgaiaagacaaiaagabwafaaqabaaeaaqabaaeaamaawadaaiaagacaaeaaqacaaiaaqabaaeaagacaamaagab > aaeaaqaaaaeaagaeaamaawacaaiaaqabaaeaaqacaaiaaqabaaeaaaaaaaaaaaaaaaaaaqacaaeaaaaaaaaa > aaaaaaaaaad//////////waaaaabaaeaaqabaaeaaaaaaaaaaqaaap/////////////+//7////////////+ > //7//v////////8aaaaaaaabaaaaaaaaap//aaaaap7///8aaaeaaqabaaiaagadaaqabaadaamabqaeaama > agabaaaaaad+//3/+//6//f/9v/0//p/8//z//p/8//z//p/9p/1//x/9f/2//f/9//3//b/9v/4//r/+//7 > //z//f/+/waa////////aaaaaaeaaqabaaaaaad/////aaaaaaeaaqabaamaawadaaiaawabaaeaagacaaia > awaeaayacaalaa0adqapabeaeqaqaa8adqaeapj/5//q/7f/n/+i/27/uv83/x//dp8a//b+9/78/gf/gp8q > /z//vf9s/4p/mf+r/77/zf/c/+x/7v/0//r/aaagaaoadaamaa0adaalaasacwalaa0adgaqabiaegaqabaa eqasabaaeaapaa8adwapaa8adwaqabaadwarabeaeaapaa8adwaoaa4adgaoaa8adwaqabaadwapabaaeqaq > aa8adwapabeaeqarabaaeaarabaaeaaqaa8adwapabaaeaaqabaaeaarabeaeqarabeaegasabiaewatabma > egaqabaaegauabmaegasabmaegatabmaewasabiaegasabiaeqasabiaegasabiaewasabmafqavabuafqat > abiaegatabmaewatabiaeqarabeaeaapaa4adaamaa0adqamaasacgakaakacgalaaoacqaiaakacaahaaca > caaiaagacaaiaakacqajaakacgakaaoacqajaagabwahaagacaajaakacqaiaakacqaiaagacaaiaagacaai > aagacqakaaoacgajaakacaaiaacabwahaacacaaiaagacaaiaagabwahaacacaaiaagacaaiaagabwahaaca > bwahaacabwagaayabgafaayabgahaacabwagaauabqafaauabwaiaakabwahaacabgagaayabqaeaaqabaae > aaqabaafaauabwahaayabqafaaqabaaeaaqaagacaamabaadaamaawadaaiaagacaaiaaqabaaeaagacaama > awadaamaawadaamaagacaaiaaqaaaaaaaaabaaiaagadaaqabaafaaqaagabaaeaagacaaiaagadaaqabaag > aayacaaiaagabwahaagabwafaauaawacaaaaaad9//v/+v/5//j/9v/2//b/9v/2//x/9f/1//f/+f/6//r/ > /p/+//7//p/7//v//p/+/waaaaaaaaaaagacaaiaaaabaaeaaqacaamaawacaaeaaqabaaiaagaeaaiaagad > aaqabaadaamaawadaamaawaeaauabgahaaoadqapabeaewatabiaeqasabiacwd8/+x/yp+s/5p/ff9l/0f/ > j/8m//t+6p7g/uh+6p75/hd/jv87/1p/a/+f/5z/sf/f/9x/5p/v//j//v8daagadgasabmaewaqaa4adaam > aawadgarabiaegasabiaeqarabmafqavabuaewauabqafaavabyafgawabyafgawabyafqatabmaegatabqa > fqavabuafqawabyafgawabyafgawabuafqawabyafqavabuafqavabqafaavabuafqawabyafqauabuafqav > abuafqavabuafgawabcagaayabgafgawabgaggababsahaacab0ahqaeab4ahgaeab4ahgadabwahaacabwa > ggaaabsahaacab0ahqadab0ahaacabwahaacabsaggazabkafwaxabyafgaxabcafgavabuafaaraa8adwao > aa4adganaawacwamaasacgakaasacgalaasacwalaasacwalaawadaamaasacwalaaoacwalaasadaamaasa > cgakaaoacqajaakacqakaaoacqajaakacgakaaoacqakaaoacgakaaoacaajaaoacwakaaoacgajaacacaaj > aaoacqajaakacaahaacacaaiaagacqajaakabwahaacabwahaacacaajaakacaahaayabgagaayabwahaaya > bgagaauabqafaauabaaeaaqabaaeaauabqafaayabgafaauabqaeaaqabaafaauabqafaayabgagaayabgaf > aauabqacaaeaaqabaaiaagabaaeaaqacaaiaawadaaqabaafaaqabaadaaqabaafaauabgahaagacaaiaaka > cgajaakacqajaakacgaiaayabqadaaiaaqabap///f/7//r/+v/4//j/+p/4//f/9//3//j/9//4//n/+v/7 > //z//p/8//v//p/8//7/aaaaaaeaagaeaaqaawadaaqabaaeaauabqafaaqabaaeaaqabqagaayabqafaaya > bgagaauabqafaayabwaiaakacgalaasadqaqabiaewavabcafwaxabyafqanaaea8v/b/8d/pf+l/3p/wp87 > /x//bv/1/uf+5f7m/uv+/f4s/yj/pv9v/27/ip+d/7t/x//y/+t/7//1//z/aqajaa8aegasabiaeqaqaa8a > dwapabeaegatabqafaatabuafgaxabcagaaxabcafwaxabcagaayabgagaayabgagaawabyafwayabgagaaz > abgafgawabcafwazabkaggaaaboagqazabsagwababsagwababsaggaaaboaggaaaboaggaaabkagwababwa > hqadabwahaababsagwacab0ahgaeab4ahwagacaahgadab0ahgafacaaiaagacaaiaagacaahwafab8aiaag > acaaigaiacmaigaiaciaigahaceaiqahaceaiqafab4ahqaeab4ahgacabsagwababoaggaaabkafwaxabca > gaaxabcafqatabqafaarabiaeqaqabaaeqarabaadwapaa8adwapaa8adgapaa8adgaoaa8adwapaa4adgan > aa0adqamaawadqanaa4adgaoaa4adgaoaa4adgaoaa4adgaoaa0adqanaa0adgaoaa4adgapaa8adgaoaa4a > dwaqabaaeaaqabaadwaqabaaeaaqaa8adganaa0adqamaawadaanaa0adqamaawadaamaasadaanaa4adaam > aawadaakaaoacgakaaoacgajaakacqajaakacqajaagacaaiaacabwahaacabqafaauabgagaayabgahaaca > bwagaauabqagaacabwahaakacgalaasadaamaa0adqamaaoacgalaakabwafaamaaqd///3//p/6//n/+v/6 > //j/+p/4//j/+p/4//j/+p/4//n/+v/6//r/+//7//v/+//7//7/aaacaamaawadaaqabaadaamabqafaaya > bwahaacabgagaayabgagaayabgagaacacaajaakacaaiaacabwahaacacaajaaoacgalaa4aeaaqabiaewau > abuafqataasa/f/r/9x/vv+l/47/dp9x/zn/h/8i//r+7f7p/uv+9p4a/xp/jv88/1p/bf+f/5n/rf+//9h/ > 3//q//p/+/8baauacqalaa0adqaoaa0adgaoaa8adwarabeaegasabiaegatabuafqavabmafaauabqafaav > abuafqatabqafaasabeaeqasabmaewauabuafaatabqafqatabqaewauabuafgavabyafwaxabcafwaxabca > fwawabyafgavabuafgaxabcafqavabyafwayabkaggaaabkafwaxabgagqazabgagaazaboaggaxabcafway > abgagqazaboaggaaaboaggazabkagqazabgagaazabkagqazabgagaayabgagaayabcafwawabcafgavabua > fgatabiaegasabiaegasabeaeaapaa8adqanaawacwakaakacgajaagacaajaagacaahaacabwahaacabwai > aakacqaiaacabwaiaagacaajaagacaahaayabgagaauabqafaauabgagaauabqafaacabwaiaacabwahaaca > bwahaacabwaiaagabgagaayabgafaayabgahaacabwahaacabgafaauabqaaaa== > </waveformdata>