Customizing the function settings, Audio setting – Toshiba BDX2500KU User Manual
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Function setup
Customizing the Function Settings
PCM Downsampling: 
If you don’t have a surround sound receiver connected to 
the BD player, you should leave the PCM downsampling 
to 48 Khz, and proceed to the next setup menu item. This 
is true regardless of whether the audio is connected to the 
TV with HDMI or the analog stereo outputs.
If you have a surround sound receiver connected to 
the BD player, and you have connected to the surround 
receiver via the BD player’s analog multichannel audio 
outputs, this setting has no effect on the audio going to the 
analog outputs of the player. Leave the PCM downsampling 
to 48 KHz, and proceed to the next setup menu item.
If you have a surround sound receiver connected to 
the BD player, and you have connected to the surround 
receiver via the BD player’s HDMI output, this setting has 
no effect on the audio going to the HDMI output of the player. 
leave the PCM downsampling to 48 Khz, and proceed to 
the next setup menu item.
If you have a surround sound receiver connected to 
the BD player via optical cable, set this menu item to the 
maximum PCM sampling rate that your surround receiver 
can accept (48 KHz or 96 Khz). 
If in doubt, consult your
surround receiver’s manual or set to 48 KHz.
NOTE: Incorrectly setting the digital audio output’s PCM 
sampling rate too high may result in unpredictable audio 
playback.
1. In the main menu of
Settings, press button, then use
/ button to select
Audio, then press OK button.
Audio Setting
Digital Output: 
•	
PCM Stereo — Sets the output to PCM Stereo if you 
have not an audio receiver connected to your Blu-ray 
dsic player or the audio receiver connected to Blu-ray 
disc player is not a 5.1/7.1 channel receiver.
•
Bitstream HD — Lets your player send Dolby TrueHD 
or DTS-HD MA bitstreams over HDMI (if your player is 
connected to a compatible HDMI audio receiver). If your 
player is not connected to a compatible HDMI receiver 
(for example, your player is connected directly to the TV 
or your player is connected to an audio receiver using an 
optical cable), a compatible audio signal is automatically 
sent over the HDMI and optical connections. With this 
setting, Blu-ray audio is limited to the soundtrack for the 
main movie (no PIP audio).
•
Bitstream legacy — Sends a DTS or Dolby Digital 
bitstream from the disc over the HDMI and optical 
connections. Blu-ray audio is limited to the soundtrack 
for the main movie (no PIP audio).
•
Bitstream Mixed — Sends a mixed (PIP audio and movie 
audio) DTS audio stream over the HDMI and optical 
connections. This mode is primarily intended for use when 
you want to hear both PIP audio and the movie audio.
•
PCM 5.1 — Sends a PCM audio signal of up to 5.1 
channels over the HDMI connection and up to 2 channels 
over the optical connection.
•
PCM 7.1 — Sends a PCM audio signal of up to 7.1 
channels over the HDMI connection and up to 2 channels 
over the optical connection.
Dynamic Range Control: 
Dynamic Range Control means that you can allow the BD 
player to make the loud parts of a movie’s audio track quieter 
than they would be in the theatre, without making the dialog 
of the actors any quieter. 
This would be useful, for instance, when you want to watch 
a movie in the evening when others might be sleeping.
NOTES: This setup menu item has no effect unless:
•	 The	device	playing	the	disk’s	audio	(TV	or	surround	audio	
receiver) is connected to the BD player’s analog audio 
outputs; OR 
• you have selected “Bitstream Mixed” in the BD player’s
audio setup menu.
When
Dynamic Range Control is set to Off, movie
soundtracks are played with the standard dynamic range. 
When movie soundtracks are played at low volume or from 
smaller speakers, you can set 
Dynamic Range Control to
On. Your player applies appropriate compression to make 
low-level content more intelligible and prevent dramatic 
passages from getting too loud.
Selecting the “
Auto” option turns on the Dynamic Range
Control for all BD movie soundtracks except Dolby TruHD. If 
you have selected a TruHD track on the BD disk, the “auto” 
selection tells the BD player to only turn on dynamic range 
control if information embedded in the TruHD sound track 
tells it to do so.
2. Press / to select an option, and then press
OK.
3. Use / to select your preferred audio items, and then
press
OK to confirm your selection.
4. Press to go to the previous menu.
Audio
PCM Downsampling 48 kHz
Digital Output PCM7.1
Dynamic Range Control On
The settings in the Audio menu will configure the BD player’s 
digital audio outputs (
HDMI or Optical).
