Playing audio signals with high-quality sound (Digital Legato Linear (D.L.L.))

The D.L.L. function is Sony proprietary technology that allows low-quality digital and analog audio signals to be played with high-quality sound.

  1. Select [Setup] - [Audio Settings] from the home menu.
  2. Select [Digital Legato Linear].
  3. Select the setting you want.
    • Off
    • Auto 1: This function is available for lossy compression audio formats and analog audio signals.
    • Auto 2: This function is available for Linear PCM signals, as well as lossy compression audio formats and analog audio signals.


  • This function may not work on some content via a USB device, home network or music services.
  • This function works when [2ch Stereo], [Multi Ch Stereo] or [Direct] is selected. However, this function does not work in the following cases:
    • The [In-Ceiling Speaker Mode] function is being used.
    • [FM TUNER] is selected as the input.
    • Linear PCM signals with a sampling frequency other than 44.1 kHz are being received.
    • Dolby Digital Plus, Dolby Digital EX, Dolby TrueHD, DTS 96/24, DTS-ES Matrix 6.1, DTS-HD Master Audio or DTS-HD High Resolution Audio signals are being received.
    • [Bluetooth Mode] is set to [Transmitter].
    • The Wireless Surround function is activated.
    • [DSD Native] is set to [On] and a DSD file is played back.
    • [Direct] is being used and an analog input is selected.