Record the selected quality and actual output route
Note the concert, player quality setting, device and whether sound goes to built-in speakers, a wired connection or Bluetooth headphones. A successful picture or a Hi-Res label does not identify that final link. Preserve the route actually used rather than list every audio device paired with the phone or computer.
For an illustrative comparison, the same concert and selected quality can be heard through a cable and then through Bluetooth. Those are different listening paths even if the player’s label remains unchanged. This observation concerns the documented transmission condition; it is not a claim that a listener has measured the audible difference between the two.
Check the service-specific quality control
Digital Concert Hall places audio quality in the video player’s cogwheel and says it is saved for that device until changed. Its mobile apps also expose the setting through account Settings. Confirm the choice on the device being used rather than assume that a selection made on the television automatically configures the phone.
The help warns that lossless streaming and video downloads use more data than standard audio. Keep connection reliability and any offline preparation in the viewing plan. A higher selected source quality should not be treated as proof that every part of the listening arrangement supports the same format or data rate.
Choose a documented path for the intended session
If lossless delivery is the requirement, consult the publisher’s supported-device information and the audio equipment’s own current instructions for an existing suitable wired or built-in route. The service notes that an external digital-to-analogue converter can be needed on some devices. That condition should be checked for the actual equipment rather than assumed universally.
For support, report the selected quality and complete output path separately from any silence, drop-out or visible error. A Bluetooth limitation and a broken wired audio session are different issues. This record preserves the practical distinction between a supplied high-quality stream and what the final listening connection can carry.
Questions about this guide
Does the Hi-Res player label prove that Bluetooth headphones receive a lossless signal?
No. The service’s help distinguishes the source selection and states that its Bluetooth headphone path is not loss-free.