updated

speaker_driver.lua

@@ -30,7 +30,6 @@ end
 --         end
 --     end
 -- end
-
 local function playSpeaker(speaker, input)
     local decoder = require("cc.audio.dfpwm").make_decoder()
     local decoded = decoder(input)
@@ -42,17 +41,19 @@ end
 local function playSound(speakers, fileName)
     local fileStream = getFileName(fileName)
     local values = io.lines(fileStream, 16 * 1024)
+
     for input in values do
         print("playing audio...")
 
+        -- Create parallel tasks, each with its own decoder instance
         local tasks = {}
         for _, speaker in ipairs(speakers) do
             table.insert(tasks, function()
-                -- each speaker needs its own decoder for the same input chunk
                 playSpeaker(speaker, input)
             end)
         end
 
+        -- Execute all in parallel
         parallel.waitForAll(table.unpack(tasks))
     end
 end