diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 2f5dbce5..bd7fbdfd 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -190,6 +190,7 @@ def dp_params
           :id, :filename, :comment, :date_digitized, :display_date_digitized, :created_by,
           :speed_used, :signal_chain_id, :volume_units, :tape_fluxivity, :peak, :analog_output_voltage,
           :stylus_size, :turnover, :rolloff, :noise_reduction, :reference_tone_frequency, 
+          :sample_rate, :digital_to_analog,
           :rumble_filter, :_destroy]
       )
     end
diff --git a/app/models/dat_tm.rb b/app/models/dat_tm.rb
index bac7dd32..baf569ca 100644
--- a/app/models/dat_tm.rb
+++ b/app/models/dat_tm.rb
@@ -4,7 +4,10 @@ class DatTm < ActiveRecord::Base
   extend TechnicalMetadatumClassModule
   # TM module constants
   DIGITAL_PROVENANCE_FILES = ['Digital Master', 'PresInt']
-  # PROVENANCE_REQUIREMENTS unchanged from default
+  PROVENANCE_REQUIREMENTS = TechnicalMetadatumModule::PROVENANCE_REQUIREMENTS.merge({
+    sample_rate: false,
+    digital_to_analog: false
+  })
   TM_FORMAT = ['DAT']
   TM_SUBTYPE = false
   TM_GENRE = :audio
diff --git a/app/models/digital_file_provenance.rb b/app/models/digital_file_provenance.rb
index 7e702eb7..12e7f65c 100644
--- a/app/models/digital_file_provenance.rb
+++ b/app/models/digital_file_provenance.rb
@@ -22,6 +22,10 @@ class DigitalFileProvenance < ActiveRecord::Base
 	validate :filename_validation
 	validate :validate_signal_chain
 
+        # validation for these?
+        # sample_rate
+        # digital_to_analog
+
 	default_scope { order(:filename) }
 
         # File Uses:
diff --git a/app/views/digital_provenance/_digital_file_provenance.html.erb b/app/views/digital_provenance/_digital_file_provenance.html.erb
index c09e95a4..d3990b19 100644
--- a/app/views/digital_provenance/_digital_file_provenance.html.erb
+++ b/app/views/digital_provenance/_digital_file_provenance.html.erb
@@ -43,6 +43,18 @@
         <%= f.text_field :speed_used, readonly: !@edit_mode, disabled: dp_na(:speed_used), value: dp_na(:speed_used) ? nil : f.object.speed_used %>
       </td>
     </tr>
+    <tr <%= 'style=display:none;' if dp_na(:sample_rate) && @hide_dp_na %>>
+      <th>Sample Rate<%= dp_requirement(:sample_rate) %></th>
+      <td>
+        <%= f.text_field :sample_rate, readonly: !@edit_mode, disabled: dp_na(:sample_rate), value: dp_na(:sample_rate) ? nil : f.object.sample_rate %>
+      </td>
+    </tr>
+    <tr <%= 'style=display:none;' if dp_na(:digital_to_analog) && @hide_dp_na %>>
+      <th>Digital to Analog<%= dp_requirement(:speed_used) %></th>
+      <td>
+        <%= f.check_box :digital_to_analog, readonly: !@edit_mode, disabled: dp_na(:digital_to_analog), value: dp_na(:digital_to_analog) ? nil : f.object.digital_to_analog %>
+      </td>
+    </tr>
     <tr <%= 'style=display:none;' if dp_na(:tape_fluxivity) && @hide_dp_na %>>
       <th>Reference Fluxivity (nWb/m)<%= dp_requirement(:tape_fluxivity) %></th>
       <td>
diff --git a/app/views/responses/digiprov_metadata.xml.builder b/app/views/responses/digiprov_metadata.xml.builder
index 6e825433..7b6dc6d1 100644
--- a/app/views/responses/digiprov_metadata.xml.builder
+++ b/app/views/responses/digiprov_metadata.xml.builder
@@ -69,6 +69,8 @@ xml.pod("xmlns:xsi" => "http://www.w3.org/2001/XMLSchema-instance") do
              xml.comment dfp.comment.to_s
              xml.created_by dfp.created_by.to_s
              xml.speed_used dfp.speed_used.to_s
+             xml.sample_rate dfp.sample_rate.to_s
+             xml.digital_to_analog dfp.digital_to_analog.to_s
              xml.tape_fluxivity dfp.tape_fluxivity.to_s + (dfp.tape_fluxivity.blank? ? "" : " nWb/m")
              xml.volume_units dfp.volume_units.to_s + (dfp.volume_units.blank? ? "" : " dB")
              xml.analog_output_voltage dfp.analog_output_voltage.to_s + (dfp.analog_output_voltage.blank? ? "" : " dBu")
diff --git a/app/views/responses/full_metadata.xml.builder b/app/views/responses/full_metadata.xml.builder
index 9165e7e0..d28eaa11 100644
--- a/app/views/responses/full_metadata.xml.builder
+++ b/app/views/responses/full_metadata.xml.builder
@@ -62,6 +62,8 @@ xml.pod("xmlns:xsi" => "http://www.w3.org/2001/XMLSchema-instance") do
                 xml.comment dfp.comment
                 xml.created_by dfp.created_by
                 xml.speed_used dfp.speed_used
+                xml.sample_rate dfp.sample_rate
+                xml.digital_to_analog dfp.digital_to_analog
                 xml.tape_fluxivity dfp.tape_fluxivity
                 xml.volume_units dfp.volume_units
                 xml.analog_output_voltage dfp.analog_output_voltage