======== #1 ========

<audio:u16le:1ch:1000Hz:20samples>
0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454
<audio:u16le:1ch:1000Hz:50samples>
0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,32702,32764,32640,32330,31837,31163,30312,29288,28098,26748
<audio:u16le:1ch:1000Hz:90samples>
0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,32702,32764,32640,32330,31837,31163,30312,29288,28098,26748,0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,32702,32764,32640,32330,31837,31163,30312,29288,28098,26748,25247,23602,21823,19920,17903,15785,13577,11292,8943,6543
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89
expected error occurs: IndexError: no enough space to store data

======== #2 ========

<audio:u16le:2ch:1000Hz:20samples>
0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454
<audio:u16le:2ch:1000Hz:50samples>
0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,32702,32764,32640,32330,31837,31163,30312,29288,28098,26748
<audio:u16le:2ch:1000Hz:90samples>
0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,32702,32764,32640,32330,31837,31163,30312,29288,28098,26748,0,2468,4922,7348,9733,12062,14322,16502,18587,20567,22430,24166,25764,27216,28513,29648,30615,31407,32022,32454,32702,32764,32640,32330,31837,31163,30312,29288,28098,26748,25247,23602,21823,19920,17903,15785,13577,11292,8943,6543
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89
expected error occurs: IndexError: no enough space to store data
