merged main

### the individual items (concatenate_input: false) after previous pre-processing step

### Horizontally concatenate input items into one long file; default = false

# concatenate_input: true

### Specify the concatenation order in a list of strings. If not specified, the concatenation order would be

### as per the filesystem on the users' device

### Should only be used if concatenate_input = true

# concatenation_order: []

### Specify preamble duration in ms; default = 0

# preamble: 40

### Flag wheter to use noise (amplitude +-4) for the preamble or silence; default = false (silence)