Смешайте образцы, используя библиотеку SoX

[
{
"sample": "sample1.mp3",
"time": 0
},
{
"sample": "sample2.mp3",
"time": 0.3342
},
{
"sample": "sample3.mp3",
"time": 0.3342,
// stop after means interrupt play this sample on this time in time scale
"stop_after": 0.3442
},
{
"sample": "sample4.mp3",
"time": 1.22443
},
{
"sample": "sample1.mp3",
"time": 1.223434,
"stop_after": 1.224244
}
]