mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-09-19 19:36:34 -04:00
47 lines
1.5 KiB
Markdown
47 lines
1.5 KiB
Markdown
<h1>Audio input plugin</h1>
|
|
|
|
<h2>Introduction</h2>
|
|
|
|
This input sample source plugin gets its samples from an audio device.
|
|
|
|
<h2>Interface</h2>
|
|
|
|
![Audio input plugin GUI](../../../doc/img/AudioInput_plugin.png)
|
|
|
|
<h3>1: Start/Stop</h3>
|
|
|
|
Device start / stop button.
|
|
|
|
- Blue triangle icon: device is ready and can be started
|
|
- Green square icon: device is running and can be stopped
|
|
- Magenta (or pink) square icon: an error occurred. In the case the device was accidentally disconnected you may click on the icon, plug back in and start again.
|
|
|
|
<h3>2: Device</h3>
|
|
|
|
The audio device to use.
|
|
|
|
<h3>3: Refresh devices</h3>
|
|
|
|
Refresh the list of audio devices.
|
|
|
|
<h3>4: Audio sample rate</h3>
|
|
|
|
Audio sample rate in Hz (Sa/s).
|
|
|
|
<h3>5: Decimation</h3>
|
|
|
|
A decimation factor to apply to the audio data. The baseband sample rate will be the audio sample, divided by this decimation factor.
|
|
|
|
<h3>6: Volume</h3>
|
|
|
|
A control to set the input volume. This is not supported by all input audio devices.
|
|
|
|
<h3>7: Channel Map</h3>
|
|
|
|
This controls how the left and right stereo audio channels map on to the IQ channels.
|
|
|
|
* I=L, Q=0 - The left audio channel is driven to the I channel. The Q channel is set to 0.
|
|
* I=R, Q=0 - The right audio channel is driven to the I channel. The Q channel is set to 0.
|
|
* I=L, Q=R - The left audio channel is driven to the I channel. The right audio channel is driven to the Q channel.
|
|
* I=R, Q=L - The right audio channel is driven to the I channel. The left audio channel is driven to the Q channel.
|