The VGA interface can transmit audio signals, so the HDMI (transmission of audio and video signal and audio signal) to VGA will be lost. Solution: using external speakers equipment options in the HDMI output device to replace. For example, computer in HDMI VGA connected TV, set the computer audio output analog audio output (control panel voice - play), at this time the computer will have voice.
In addition, the adapter line can use HDMI to turn VGA with audio output, the switching line will separate audio signal in HDMI, and the audio is transmitted to the display device using the audio cable.
HDMI to DVI will also audio appear lost phenomenon, can also use the way to solve, or using HDMI transfer line of transgenic DVI with audio output.
When using the DVI to HDMI or VGA to HDMI, need to be computer audio output settings for the onboard sound card is analog audio equipment, and then through the computer sound or external speakers to replace the audio loss situation. Or use with audio conversion converter converts the audio signal together into the HDMI, complete audio and video signal synchronous output.