Stream What You Hear (SWYH) is a real-time audio streaming application for Windows. It captures the sound from your computer and broadcasts it over your local network.
This guide explains how SWYH works, its core features, and how to set it up. What is Stream What You Hear?
SWYH is a free, open-source program. It acts as a bridge between your PC and UPnP/DLNA-compatible devices. These devices include smart TVs, network speakers, game consoles, and AV receivers.
When you run SWYH, it clones your sound card’s output. It then converts this live audio into a digital stream. Any compatible media renderer on your Wi-Fi network can play this stream instantly. Key Features
UPnP/DLNA Streaming: Automatically detects and streams to compatible devices on your network.
Audio Capture: Grabs “What You Hear” or “Stereo Mix” from your Windows sound settings.
Format Options: Streams in MP3 format for high compatibility or raw PCM/WAV for lossless audio quality.
HTTP Live Streaming: Provides a unique URL to listen to your PC audio via any web browser.
Low Latency Options: Allows adjustments to reduce the delay between your PC and the playback device. Common Use Cases
Whole-Home Audio: Broadcast Spotify, YouTube, or local music from your PC to living room speakers.
TV Audio Forwarding: Send movie sound from a laptop to a smart TV without running long HDMI cables.
Multi-Room Sync: Use the HTTP URL to stream the same audio to multiple phones or tablets simultaneously. How to Set Up SWYH
Download and install the latest version of Stream What You Hear on your Windows PC.
Ensure your PC and your target playback device are connected to the same Wi-Fi or local network.
Launch SWYH. The application will run quietly in your Windows system tray (bottom-right corner). Right-click the SWYH tray icon and hover over Stream to.
Select your target device (e.g., “Living Room TV” or “Sonos Speaker”) from the list. Troubleshooting Tips
If your devices do not appear, check your Windows Firewall settings. You must allow SWYH to communicate through public and private networks. If you experience audio stuttering, switch the audio format from PCM to MP3 in the settings menu to lower the required network bandwidth.
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