USB DAC Question

Please refer to the use of USB DAC decoder on different platformsReferplace.

The USB cable has different quality conditions, which may lead to problems during communication; (Please try to replace the USB cable)
The USB port stability is different, which may cause problems during communication; (Please try to replace the USB port)
Drivers of different operating systems may cause problems during communication; (refer toRefer）
The use of different software will be different for the same operating system; (Can you also refer to itRefer）

Please refer to it firstReferIdentify some driver issues.

If it's connected to a computer

Player: Settings -》 USB working mode -》 Select the device, and then re-plug and unplug the player and try it;
If it doesn't work and the user's host is Windows, try to open UsbTreeView, then plug and unplug the USB cable to see if there is any device connection on UsbTreeView. If there is no device connection and disconnection, it means there is a problem with the connection (if the host problem has been ruled out, it is a player problem), otherwise it means there is a problem with the driver. UsbTreeView Software Address: https://www.uwe-sieber.de/usbtreeview_e.html#download

If connected to a mobile phone

Make sure your phone supports OTG. If there is an OTG switch, make sure the OTG switch is turned on (usually located in the Phone Settings -> More connections).
Player: Settings -》 USB Working Mode -》 Select the device, and then re-plug and unplug the player and try it.
For Android phones, download HiBy Music APP -> Settings -> USB exclusive function, plug and unplug the player to see if it reacts;.

The USB cable has different quality conditions, which may lead to problems during communication; (Please try to replace the USB cable)
The USB port stability is different, which may cause problems during communication; (Please try to replace the USB port)
The frequency and priority on the motherboard on the PC may cause problems during the communication process; (This part generally does not fail to use, but will cause sound interruption)
When using the WSAPI driver on Windows platform, please use push instead of event driver;

Since iPhone\iPad has restrictions on external high current devices, when a player is a USB DAC, it is necessary to turn on the USB current limiting and USB non-charge function when it is a USB DAC;
When you cannot use USB DAC, you can try to change the order of connecting devices to iPhone\iPad: For example, first connect the cable to the iPhone\iPad, and then connect the device; first connect the device to the cable, and then connect the iPhone\iPad;
Since iPhone\iPad has certification for devices and wires, some wires may not be used after the system is upgraded, so you need to try to replace the wires;

The USB DAC decoder is only responsible for audio playback, so there is only the statement that it supports PCM/DSD audio streams, and there is no statement that it supports a certain file format (for example: WAV\MP3\FLAC decoded is PCM; DSD\DFF decoded is DSD);
The statement that a certain file format is mainly for player software: for example, HiBy Music's Android and iOS basically support all current mainstream audio formats.

The decoder is only responsible for audio playback and does not support spatial sound effects. If the upper computer player supports spatial sound effects, then the decoder can experience spatial sound effects.
SoundAlive, DolbyAtmos, UHQ-Upcaler, AdaptSound Similarly

PS4 only supports UAC 1.0, just confirm whether the corresponding decoder supports UAC 1.0;

Nintendo Switch(NS) only supports UAC 1.0, just confirm whether the corresponding decoder supports UAC 1.0;