With the rapid development of the times, the national income has slowly increased, and digital optical fiber has led to millions of households. The previous big-head TV (analog TV) has been gradually replaced by the TV (digital TV) that can connect to the Internet; traditional analog TV can generally pass The 3.5mm audio interface directly outputs the TV audio to the external speaker, but after switching to a large-screen digital TV, most digital TVs no longer support the direct output of analog audio, so today we will discuss how to connect the audio of the digital TV To the external speaker.
Analog TV and Digital TV
What are the ways of digital TV audio output interface?
There are many digital TV brands, but most TVs are equipped with 1 S/PDIF digital optical audio output interface or 1 coaxial digital audio output interface (marked in English: GOAXIAL), and some even have both . Before discussing the output of digital TV audio to audio, we need to understand whether the source of our video or TV program is the TV itself, or from a third party such as a computer, Blu-ray player, and set-top box.
Digital TV video signal source comes from the TV itself
In this case, if you want to connect audio to the speaker, you can only use the TV itself. The common way is as follows:
S/PDIF digital optical audio output connection(Some TVs also need to select S/PDIF audio output in the menu, you can check your own TV manual for details)
If the speaker supports optical audio input, just connect the TV and the speaker directly with a standard optical fiber cable.
If the speaker does not have an optical interface and does not support optical audio input, you need to use an audio converter that can convert digital audio to analog audio (here, take the digital-to-analog audio converter DAN as an example). Connect the digital optical interface of the TV with the optical interface of the audio converter with an optical cable, and then use one end of the lotus connector audio cable to connect the red and white left and right channels of the converter, and the other end to the left and right channel inputs of the audio, or Use the 3.5mm to lotus head audio cable, the 3.5mm male head is connected to the 3.5mm audio output female head of the audio converter, and the lotus head is connected to the left and right channel input of the speaker.
Digital to analog audio converter DAN connection diagram
Coaxial digital audio (GOAXIAL) output connection(Some TVs also need to select digital audio output in the menu, you can check your own TV manual for details)
If the speaker supports coaxial digital audio input, connect the TV and the speaker directly with a standard coaxial cable.
If the speaker does not support coaxial digital audio input, as above, you need to use a digital audio to analog audio audio converter for relay, and the connection method is similar to the above.
Bluetooth audio output connection(Need to select Bluetooth output in the menu, you can check your own TV manual for details)
This type of TV can only be used if it supports Bluetooth audio output. Find Bluetooth in the menu, turn it on, and then pair it. If the speaker does not have Bluetooth function, you can buy a Bluetooth receiver and match it.
HDMI (ARC) audio output connection(Need to have HDMI interface supporting ARC on TV and audio)
Use HDMI to connect the HDMI interface with the ARC logo, and then find the sound output in the setting menu of the TV, and change it to HDMI (ARC), and save it.
Digital TV video signal source comes from a third party
If the video source is from a computer, you can connect to the speaker through the computer’s 3.5mm audio interface. If both the computer and the speaker support the Bluetooth function, the Bluetooth connection can be made directly. Of course, some high-end desktop hosts also have optical audio output. If your audio host also supports optical audio input, you only need an optical cable to connect to it.
If the video source is a device that does not have other audio output methods, such as a set-top box, then a device called an HDMI audio decoder splitter (here, HHA is used as an example) is needed. Use a standard HDMI cable to connect the set-top box to the HDMI audio decoder splitter HHA, and then use an HDMI cable to connect the TV to the HDMI audio decoder splitter HHA, and then select optical fiber, coaxial digital audio or 3.5mm analog audio One can be connected to the speaker.
HDMI audio decoder HHA connection diagram
In general, the several ways of digital TV audio output to stereo are nothing more than:
①Digital audio output (optical, coaxial, HDMI ARC) + digital audio cable + digital audio input
②Digital audio output (optical, coaxial, HDMI) + HDMI audio splitter + analog audio input or digital audio output (optical, coaxial, HDMI) + HDMI audio splitter + digital audio input
③Digital audio output (optical, coaxial, HDMI) + digital to analog audio converter + analog audio input
④Bluetooth audio output + Bluetooth audio input
⑤Analog audio output + analog audio cable + analog audio input