Accessing the Audio Mixer Pipeline

All audio processing in SAM Broadcaster Pro is configured through the Audio Mixer Pipeline:

1. Click the Config button in the toolbar
2. Select Audio Mixer Pipeline

The pipeline shows all inputs: Deck A, Deck B, Sound FX, Aux 1, Voice FX and Mixer. Each has its own processing chain.

Built-In Processing

SAM Broadcaster Pro’s built-in processing includes:

• Equaliser — adjust frequency response across the audio spectrum
• Gated AGC (Automatic Gain Control) — automatically evens out loudness differences between tracks
• Stereo Expander — widens the stereo image
• Bass EQ — boost or cut bass frequencies
• 5-band processor — multiband compressor/expander/limiter for precise control over different frequency ranges
• 2-band processor — simpler two-band alternative
• Clipper — hard limiter to prevent output from exceeding a set level

For most stations, enabling the AGC and setting modest compression values is a good starting point.

DSP Plugins

SAM Broadcaster Pro supports Winamp DSP plugins for additional processing. To add a DSP plugin:

1. Click Config → Audio Mixer Pipeline
2. Open the DSP tab
3. Install your Winamp DSP plugin to the SAM Broadcaster Pro plugins folder
4. Enable the plugin by checking the checkbox next to it
5. Select it and click Configure plugin to adjust its settings

Stereo Tool with SAM Broadcaster Pro

Stereo Tool is a popular third-party audio processor widely used in internet radio. It is available as a Winamp DSP plugin and can be loaded into SAM Broadcaster Pro’s DSP chain. Stereo Tool adds advanced multiband compression, loudness maximising and stereo enhancement beyond what the built-in processing provides.

Processing Guidelines

• Test your processed audio on headphones, phone speakers and a car stereo
• Avoid over-processing — heavy compression causes listener fatigue
• Use the AGC to even out track-to-track level differences before adding heavier processing