diff --git a/Items Properties/Nantho_Item Auto-Gain Staging - Peak vs. RMS.lua b/Items Properties/Nantho_Item Auto-Gain Staging - Peak vs. RMS.lua
new file mode 100644
index 000000000..a340262aa
--- /dev/null
+++ b/Items Properties/Nantho_Item Auto-Gain Staging - Peak vs. RMS.lua	
@@ -0,0 +1,170 @@
+--[[
+ * Provides: [nomain] spk77_Get max peak val and pos from take_function.lua > Nantho_Item Auto-Gain Staging - Peak vs. RMS.lua/spk77_Get max peak val and pos from take_function_Copy1.lua
+ * ReaScript Name: Item Auto-Gain Staging - Peak vs. RMS
+ * Links:
+    Forum Thread http://forum.cockos.com/showthread.php?t=184368
+ * About: 
+    - Normalize selected items to -x dB RMS/LUFS/LU (x and unit specified by user imput) ;
+    -  If those normalized items have peaks over -y dB (y specified by user), trim them down to peak at -y dB max.
+ * Instructions: Select items. Run.
+ * Screenshot: 
+ * Author: Nantho
+ * Licence: GPL v3
+ * Forum Thread: REQ: http://forum.cockos.com/showthread.php?t=182701
+ * Forum Thread URI: 
+ * REAPER: 5.0
+ * Extensions: spk77 Get max peak val and pos from take (function and example).lua
+ * Extensions: SWS extension
+ * Version: 1.0
+--]]
+
+--[[
+ * Changelog:
+ * v1.0 (2016-11-29)
+	+ Initial Release
+--]]
+
+
+-- Special thanks to X-Raym
+
+-- USER CONFIG AREA -----------------------------------------------------------
+
+threshold = -10 -- number: Default threshold to select items
+direction = "+" -- "+"/"-": Select if over or below the threshold
+
+all_items = false
+
+popup = true -- true/false: display a pop up box
+
+console = true -- true/false: display debug messages in the console
+
+------------------------------------------------------- END OF USER CONFIG AREA
+
+
+-- INCLUDES -----------------------------------------------------------
+
+local info = debug.getinfo(1,'S');
+script_path = info.source:match[[^@?(.*[\/])[^\/]-$]]
+dofile(script_path .. "/spk77_Get max peak val and pos from take_function.lua")
+
+-------------------------------------------------------------- INCLUDES
+
+
+-- UTILITIES -------------------------------------------------------------
+
+-- Display a message in the console for debugging
+function Msg(value)
+	if console then
+		reaper.ShowConsoleMsg(tostring(value) .. "\n")
+	end
+end
+
+
+-- Save item selection
+function SaveSelectedItems (table)
+	for i = 0, reaper.CountSelectedMediaItems(0)-1 do
+		table[i+1] = reaper.GetSelectedMediaItem(0, i)
+	end
+end
+
+
+--------------------------------------------------------- END OF UTILITIES
+
+
+-- Main function
+function main()
+
+	for i, item in ipairs(init_sel_items) do
+
+		local take = reaper.GetActiveTake(item)
+
+		if take then
+			
+			local ret, max_peak_val, peak_sample_pos = get_sample_max_val_and_pos(take, true, true, true)
+
+			if ret then
+
+				if direction_string == "+" then
+					if max_peak_val < threshold then
+						reaper.SetMediaItemSelected(item, false)
+
+					else
+						
+						peak = max_peak_val						
+						item_vol = reaper.GetMediaItemTakeInfo_Value(take,"D_VOL")
+						item_vol_DB = 20 * ( math.log( item_vol, 10 ) )
+						item_diff_DB = peak - threshold
+						new_item_vol_DB = item_vol_DB - item_diff_DB 						
+ 						new_item_vol = math.exp( new_item_vol_DB * 0.115129254 )
+
+ 						reaper.SetMediaItemTakeInfo_Value(take ,"D_VOL" , new_item_vol)				
+
+
+					end
+				
+				else
+					if max_peak_val > threshold then
+						reaper.SetMediaItemSelected(item, false)
+
+					end
+				end
+
+			end
+
+		end
+
+	end
+
+end
+
+
+-- INIT
+
+if all_items then
+	reaper.Main_OnCommand(40182, 0) -- Select all items
+end
+
+-- See if there is items selected
+count_sel_items = reaper.CountSelectedMediaItems(0)
+
+if count_sel_items > 0 then
+
+
+	if popup then
+		threshold_string = tostring(threshold)
+		direction_string = tostring(direction)
+		retval, retvals_csv = reaper.GetUserInputs("Peak vs. RMS", 2, "Peak Threshold (dB),Under/Over (-/+)?", threshold_string .. "," .. direction_string)
+
+		if retval then
+			threshold_string, direction_string = retvals_csv:match("([^,]+),([^,]+)")
+
+			if threshold_string then
+				threshold = tonumber(threshold_string)
+			end
+
+		end
+
+	end
+
+	if (retval or not popup) and threshold then
+
+		reaper.PreventUIRefresh(1)
+
+		reaper.Undo_BeginBlock() -- Begining of the undo block. Leave it at the top of your main function.
+
+		reaper.Main_OnCommand(reaper.NamedCommandLookup("_SWS_NORMRMS"), 0)
+
+		init_sel_items =  {}
+		SaveSelectedItems(init_sel_items)
+
+		main()
+
+		reaper.Undo_EndBlock("Item Auto-Gain Staging - Peak vs. RMS", -1) -- End of the undo block. Leave it at the bottom of your main function.
+
+		reaper.UpdateArrange()
+
+		reaper.PreventUIRefresh(-1)
+
+	end
+
+end
diff --git a/Items Properties/Nantho_item Auto Gain Staging - Peak vs. LUFS.lua b/Items Properties/Nantho_item Auto Gain Staging - Peak vs. LUFS.lua
new file mode 100644
index 000000000..1f208839b
--- /dev/null
+++ b/Items Properties/Nantho_item Auto Gain Staging - Peak vs. LUFS.lua	
@@ -0,0 +1,169 @@
+--[[
+ * Provides: [nomain] spk77_Get max peak val and pos from take_function.lua > Nantho_Item Auto-Gain Staging - Peak vs. RMS.lua/spk77_Get max peak val and pos from take_function_Copy2.lua
+ * ReaScript Name: Item Auto-Gain Staging - Peak vs. LUFS
+ * Links:
+    Forum Thread http://forum.cockos.com/showthread.php?t=184368
+ * About: 
+    - Normalize selected items to -x dB RMS/LUFS/LU (x and unit specified by user imput) ;
+    -  If those normalized items have peaks over -y dB (y specified by user), trim them down to peak at -y dB max.
+ * Instructions: Select items. Run.
+ * Screenshot: 
+ * Author: Nantho
+ * Licence: GPL v3
+ * Forum Thread: REQ: http://forum.cockos.com/showthread.php?t=182701
+ * Forum Thread URI: 
+ * REAPER: 5.0
+ * Extensions: spk77 Get max peak val and pos from take (function and example).lua
+ * Extensions: SWS extension
+ * Version: 1.0
+--]]
+
+--[[
+ * Changelog:
+ * v1.0 (2016-11-29)
+	+ Initial Release
+--]]
+ 
+-- Special thanks to X-Raym
+
+-- USER CONFIG AREA -----------------------------------------------------------
+
+threshold = -10 -- number: Default threshold to select items
+direction = "+" -- "+"/"-": Select if over or below the threshold
+
+all_items = false
+
+popup = true -- true/false: display a pop up box
+
+console = true -- true/false: display debug messages in the console
+
+------------------------------------------------------- END OF USER CONFIG AREA
+
+
+-- INCLUDES -----------------------------------------------------------
+
+local info = debug.getinfo(1,'S');
+script_path = info.source:match[[^@?(.*[\/])[^\/]-$]]
+dofile(script_path .. "/spk77_Get max peak val and pos from take_function.lua")
+
+-------------------------------------------------------------- INCLUDES
+
+
+-- UTILITIES -------------------------------------------------------------
+
+-- Display a message in the console for debugging
+function Msg(value)
+	if console then
+		reaper.ShowConsoleMsg(tostring(value) .. "\n")
+	end
+end
+
+
+-- Save item selection
+function SaveSelectedItems (table)
+	for i = 0, reaper.CountSelectedMediaItems(0)-1 do
+		table[i+1] = reaper.GetSelectedMediaItem(0, i)
+	end
+end
+
+
+--------------------------------------------------------- END OF UTILITIES
+
+
+-- Main function
+function main()
+
+	for i, item in ipairs(init_sel_items) do
+
+		local take = reaper.GetActiveTake(item)
+
+		if take then
+			
+			local ret, max_peak_val, peak_sample_pos = get_sample_max_val_and_pos(take, true, true, true)
+
+			if ret then
+
+				if direction_string == "+" then
+					if max_peak_val < threshold then
+						reaper.SetMediaItemSelected(item, false)
+
+					else
+						
+						peak = max_peak_val						
+						item_vol = reaper.GetMediaItemTakeInfo_Value(take,"D_VOL")
+						item_vol_DB = 20 * ( math.log( item_vol, 10 ) )
+						item_diff_DB = peak - threshold
+						new_item_vol_DB = item_vol_DB - item_diff_DB 						
+ 						new_item_vol = math.exp( new_item_vol_DB * 0.115129254 )
+
+ 						reaper.SetMediaItemTakeInfo_Value(take ,"D_VOL" , new_item_vol)				
+
+
+					end
+				
+				else
+					if max_peak_val > threshold then
+						reaper.SetMediaItemSelected(item, false)
+
+					end
+				end
+
+			end
+
+		end
+
+	end
+
+end
+
+
+-- INIT
+
+if all_items then
+	reaper.Main_OnCommand(40182, 0) -- Select all items
+end
+
+-- See if there is items selected
+count_sel_items = reaper.CountSelectedMediaItems(0)
+
+if count_sel_items > 0 then
+
+
+	if popup then
+		threshold_string = tostring(threshold)
+		direction_string = tostring(direction)
+		retval, retvals_csv = reaper.GetUserInputs("Peak vs. LUFS", 2, "Peak Threshold (dB),Under/Over (-/+)?", threshold_string .. "," .. direction_string)
+
+		if retval then
+			threshold_string, direction_string = retvals_csv:match("([^,]+),([^,]+)")
+
+			if threshold_string then
+				threshold = tonumber(threshold_string)
+			end
+
+		end
+
+	end
+
+	if (retval or not popup) and threshold then
+
+		reaper.PreventUIRefresh(1)
+
+		reaper.Undo_BeginBlock() -- Begining of the undo block. Leave it at the top of your main function.
+
+		reaper.Main_OnCommand(reaper.NamedCommandLookup("_BR_NORMALIZE_LOUDNESS_ITEMS_LU"), 0)
+
+		init_sel_items =  {}
+		SaveSelectedItems(init_sel_items)
+
+		main()
+
+		reaper.Undo_EndBlock("Item Auto-Gain Staging - Peak vs. LUFS", -1) -- End of the undo block. Leave it at the bottom of your main function.
+
+		reaper.UpdateArrange()
+
+		reaper.PreventUIRefresh(-1)
+
+	end
+
+end
diff --git a/Items Properties/spk77_Get max peak val and pos from take_function.lua b/Items Properties/spk77_Get max peak val and pos from take_function.lua
new file mode 100644
index 000000000..9296b9639
--- /dev/null
+++ b/Items Properties/spk77_Get max peak val and pos from take_function.lua	
@@ -0,0 +1,202 @@
+--[[
+ * noindex
+ * Version: 1.0
+--]]
+
+
+----------------------------------------------------------
+-- A function to get the maximum peak value from a take --
+-- (+ an example for how to use the function)           --
+----------------------------------------------------------
+
+-- Function description -- 
+-- retval, maximum peak value, maximum peak pos = get_sample_max_val_and_pos(MediaItem_Take, bool adj_for_take_vol, bool adj_for_item_vol, bool val_is_dB)
+
+--  Returns false if failed
+--  maximum peak value: Peak value is returned in decibels if val_is_dB = true
+--  maximum peak pos: Peak sample position in item time
+    
+function get_sample_max_val_and_pos(take, adj_for_take_vol, adj_for_item_vol, val_is_dB)
+  local ret = false
+  if take == nil then
+    return
+  end
+  
+  local item = reaper.GetMediaItemTake_Item(take) -- Get parent item
+  
+  if item == nil then
+    return
+  end
+  
+  local item_pos = reaper.GetMediaItemInfo_Value(item, "D_POSITION")
+  
+  -- Get media source of media item take
+  local take_pcm_source = reaper.GetMediaItemTake_Source(take)
+  if take_pcm_source == nil then
+    return
+  end
+  
+  -- Create take audio accessor
+  local aa = reaper.CreateTakeAudioAccessor(take)
+  if aa == nil then
+    return
+  end
+  
+  -- Get the start time of the audio that can be returned from this accessor
+  local aa_start = reaper.GetAudioAccessorStartTime(aa)
+  -- Get the end time of the audio that can be returned from this accessor
+  local aa_end = reaper.GetAudioAccessorEndTime(aa)
+  
+  
+  -- Get the length of the source media. If the media source is beat-based,
+  -- the length will be in quarter notes, otherwise it will be in seconds.
+  local take_source_len, length_is_QN = reaper.GetMediaSourceLength(take_pcm_source)
+  if length_is_QN then
+    return
+  end
+  
+  -- Get the number of channels in the source media.
+  local take_source_num_channels = reaper.GetMediaSourceNumChannels(take_pcm_source)
+
+  local channel_data = {} -- max peak values (per channel) are collected to this table
+  -- Initialize channel_data table
+  for i=1, take_source_num_channels do
+    channel_data[i] = {
+                        peak_val = 0,
+                        peak_sample_index = -1
+                      }
+  end
+    
+  -- Get the sample rate. MIDI source media will return zero.
+  local take_source_sample_rate = reaper.GetMediaSourceSampleRate(take_pcm_source)
+  if take_source_sample_rate == 0 then
+    return
+  end
+
+  -- How many samples are taken from audio accessor and put in the buffer
+  local samples_per_channel = take_source_sample_rate
+  
+  -- Samples are collected to this buffer
+  local buffer = reaper.new_array(samples_per_channel * take_source_num_channels)
+  
+  -- (These are not needed at the moment)
+  --local take_start_offset = reaper.GetMediaItemTakeInfo_Value(take, "D_STARTOFFS")
+  --local take_playrate = reaper.GetMediaItemTakeInfo_Value(take, "D_PLAYRATE")
+  --take_pos = item_pos-start_offs
+  
+  local total_samples = math.ceil((aa_end - aa_start) * take_source_sample_rate)
+  --total_samples = math.floor((aa_end - aa_start) * take_source_sample_rate)
+  --total_samples = (aa_end - aa_start) * take_source_sample_rate
+  
+  local block = 0
+  local sample_count = 0
+  local audio_end_reached = false
+  local offs = aa_start
+  
+  local log10 = function(x) return math.log(x, 10) end
+  local abs = math.abs
+  --local floor = math.floor
+  
+  
+  -- Loop through samples
+  while sample_count < total_samples do
+    if audio_end_reached then
+      break
+    end
+
+    -- Get a block of samples from the audio accessor.
+    -- Samples are extracted immediately pre-FX,
+    -- and returned interleaved (first sample of first channel, 
+    -- first sample of second channel...). Returns 0 if no audio, 1 if audio, -1 on error.
+    local aa_ret = 
+            reaper.GetAudioAccessorSamples(
+                                            aa,                       -- AudioAccessor accessor
+                                            take_source_sample_rate,  -- integer samplerate
+                                            take_source_num_channels, -- integer numchannels
+                                            offs,                     -- number starttime_sec
+                                            samples_per_channel,      -- integer numsamplesperchannel
+                                            buffer                    -- reaper.array samplebuffer
+                                          )
+      
+    if aa_ret <= 0 then
+      --msg("no audio or other error")
+      --return
+    end
+    
+    for i=1, #buffer, take_source_num_channels do
+      if sample_count == total_samples then
+        audio_end_reached = true
+        break
+      end
+      for j=1, take_source_num_channels do
+        local buf_pos = i+j-1
+        local curr_val = abs(buffer[buf_pos])
+        if curr_val > channel_data[j].peak_val then
+          -- store current peak value for this channel
+          channel_data[j].peak_val = curr_val
+          -- store current peak sample index for this channel
+          channel_data[j].peak_sample_index = sample_count
+        end
+      end
+      sample_count = sample_count + 1
+    end
+    block = block + 1
+    offs = offs + samples_per_channel / take_source_sample_rate -- new offset in take source (seconds)
+  end
+  
+  reaper.DestroyAudioAccessor(aa)
+  
+  local max_peak_val = 0
+  local channel = 0
+  local peak_sample_index = -1
+  
+  -- Collect data to "peak_values" -table
+  for i=1, take_source_num_channels do
+    if channel_data[i].peak_val > max_peak_val then
+      -- get max peak value from "channel_data" table
+      max_peak_val = channel_data[i].peak_val
+      -- get peak sample index from "channel_data" table
+      peak_sample_index = channel_data[i].peak_sample_index 
+      -- max_peak_val found -> store current channel index
+      -- channel = i
+    end
+  end
+  
+  --peak_values[#peak_values + 1] = max_peak_val
+  --[[
+  local cursor_pos = item_pos + peak_sample_index/take_source_sample_rate
+  reaper.SetEditCurPos(cursor_pos, true, false)
+  reaper.UpdateArrange()
+  --]]
+  
+  
+  --reaper.UpdateArrange()
+  --msg("Getting samples from take " .. tostring(i) .. "/" .. tostring(reaper.CountSelectedMediaItems(0)))
+-- end
+  
+  
+  -- Calculate corrections for take/item volume
+  if adj_for_take_vol then
+    max_peak_val = max_peak_val * reaper.GetMediaItemTakeInfo_Value(take, "D_VOL")
+  end
+  
+  if adj_for_item_vol then
+    max_peak_val = max_peak_val * reaper.GetMediaItemInfo_Value(item, "D_VOL")
+  end
+  
+  if val_is_dB then
+    max_peak_val = 20*log10(max_peak_val)
+  end
+  
+  local peak_sample_pos = peak_sample_index/take_source_sample_rate
+  
+  if max_peak_val > 0 then
+    ret = true
+  end
+  
+  if peak_sample_pos >= 0 then
+    ret = true
+  end
+  
+  return ret, max_peak_val, peak_sample_pos
+end