Support multi channel supervisions

src/corpora/timit.jl

@@ -306,7 +306,7 @@ function timit_supervisions(dir)
             dur = end_ts - start_ts
 
             supervisions[id] = Supervision(
-                id, id, start_ts, dur, 1,
+                id, id, start_ts, dur, [1],
                 Dict(
                      "text" => join(words, " "),
                      "dialect" => dialect,

src/manifest_io.jl

@@ -62,7 +62,7 @@ function Base.show(io::IO, m::MIME"application/json", s::Supervision)
     printfn(io, repeat(" ", indent), "\"recording_id\": \"", s.recording_id, "\", ")
     printfn(io, repeat(" ", indent), "\"start\": ", s.start, ", ")
     printfn(io, repeat(" ", indent), "\"duration\": ", s.duration, ", ")
-    printfn(io, repeat(" ", indent), "\"channel\": ", s.channel, ", ")
+    printfn(io, repeat(" ", indent), "\"channels\": ", s.channels |> json, ", ")
     printfn(io, repeat(" ", indent), "\"data\": ", s.data |> json)
     print(io, "}")
 end
@@ -101,7 +101,7 @@ Supervision(d::Dict) = Supervision(
     d["recording_id"],
     d["start"],
     d["duration"],
-    d["channel"],
+    d["channels"],
     d["data"]
 )
 
@@ -129,8 +129,8 @@ manifestname(::Type{<:Recording}, name) = "recordings-$name.jsonl"
 manifestname(::Type{<:Supervision}, name) = "supervisions-$name.jsonl"
 
 """
-load(Supervision, path)
-load(Recording, path)
+    load(Supervision, path)
+    load(Recording, path)
 
 Load Recording/Supervision manifest from `path`.
 """

src/manifest_item.jl

@@ -74,12 +74,12 @@ struct Supervision <: ManifestItem
     recording_id::AbstractString
     start::Float64
     duration::Float64
-    channel::Int
+    channels::Vector{Integer}
     data::Dict
 end
 
-Supervision(id, recid; channel = missing, start = -1, duration = -1, data = missing) =
-    Supervision(id, recid, start, duration, channel, data)
+Supervision(id, recid; channels = missing, start = -1, duration = -1, data = missing) =
+    Supervision(id, recid, start, duration, channels, data)
 
 """
     load(recording[; start = -1, duration = -1, channels = recording.channels])
@@ -108,5 +108,5 @@ function load(r::Recording; start = -1, duration = -1, channels = r.channels)
 end
 
 load(r::Recording, s::Supervision) =
-    load(r; start = s.start, duration = s.duration, channels = [s.channel])
+    load(r; start = s.start, duration = s.duration, channels = s.channels)