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Audio Operations
Interlinking Audio Output to Video Switching 
(Audio Follow)
Here’s how the audio output can be automatically switched in 
tandem with video switching (the audio follow function).
 * When “Video Follows Audio” is selected for the auto-switching 
type (p. 12), the audio follow function is disabled.
1. [MENU] button Ó “Audio Follows Video” Ó select 
Audio Follow SW “HDMI IN 1”–“STILL 2”, and then 
press the [VALUE/CURSOR] knob.
2. Turn the [VALUE/CURSOR] knob to select “On”, and 
then press the [VALUE/CURSOR] knob.
Value Explanation
On The video and audio from HDMI input are switched together.
O
The audio is always output regardless of the input video 
selection.
3. Press the [MENU] button to quit the menu.
Adding an object for audio follow
Here’s how an audio input source other than HDMI IN 1–STILL 2 can 
be specied as an object for the audio follow function.
1. Select the input audio to be used for audio follow from 
the [MENU] button Ó “Audio Follows Video” Ó “Video 
Source Select”, and press the [VALUE/CURSOR] knob.
Menu item Explanation
AUDIO IN 1–4 AUDIO IN 1–4 input
LINE IN LINE input
HEADSET Mic Headset mic input
HDMI IN 1, 2 HDMI IN 1, 2 input
USB AUDIO USB audio input from the USB VIDEO IN port
PLAYER Audio les (WAV) or video les (MP4) on the SD card
2. Turn the [VALUE/CURSOR] knob to select a value from 
“HDMI IN 1” to “STILL 2”, and then press the [VALUE/
CURSOR] knob.
Value Explanation
HDMI IN 1–2,
STILL 1–2
For each audio source, these settings specify the 
input video (HDMI IN 1–STILL 2) that will use the 
audio follow function.
Audio is output only when the specied input video 
is selected.
O
The audio is always output regardless of the input 
video selection.
3. Press the [MENU] button to quit the menu.
Controlling the Volume Automatically  
(Auto Mixing)
The volume adjustments that would normally be done by the 
operator can be controlled automatically (auto mixing function).
Since this lets you leave the volume adjustments up to the SR-20HD, 
it can be used in situations where there is no dedicated operator.
1. [MENU] button Ó “Audio Mixing” Ó select “SW”, and 
then press the [VALUE/CURSOR] knob.
2. Turn the [VALUE/CURSOR] knob to select “On”, and 
then press the [VALUE/CURSOR] knob.
The auto mixing function turns on.
3. Turn the [VALUE/CURSOR] knob to select the audio 
to which the setting is applied, and then press the 
[VALUE/CURSOR] knob.
Menu item Explanation
AUDIO IN 1–4
AUDIO IN 1–4 input
HEADSET Mic
Headset mic input
4. Turn the [VALUE/CURSOR] knob to specify whether 
the selected audio is aected (ON) or is not aected 
(OFF) by auto mixing, and then press the [VALUE/
CURSOR] knob.
For audio that does not require auto mixing, such as background 
music, choose “O”.
5. Press the [MENU] button to quit the menu.