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Find the first point in the chain where the audio disappears: the source or device, the encoder, YouTube’s incoming stream, or the listener’s player. Start by checking whether silence affects one listener or several, then compare the encoder meter, a local recording, YouTube’s Live Control Room preview, and the public player. That sequence helps locate the fault before you change settings or buy equipment.
First, check whether the silence is local or widespread
- Test the public stream on a second device or network if practical. If only one listener hears silence, check that device’s volume, mute, output selection, browser or app, and player state.
- If multiple viewers report silence, investigate the encoder and incoming stream first. YouTube says reports across multiple connections can indicate an encoder issue.
Note when the problem began and whether it affects everyone. That timing can help distinguish a listener-side problem from a change in the broadcast.
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Read YouTube’s stream-health messages
Open the stream in YouTube Studio’s Live Control Room and check the preview and health or error messages. YouTube’s Live streaming error messages guidance includes “Your encoder is sending no audio.” That points you toward the audio output reaching YouTube; it does not, by itself, prove the physical source has failed.
YouTube says the ingestion stream should contain one audio stream and warns that multiple audio streams can cause ingestion problems. Write down the exact message and its timestamp before changing settings. After each change, check whether the same message remains.
#1 Best Overall
- Pro performance with great pre-amps - Achieve a brighter recording thanks to the high performing mic pre-amps of the Scarlett 3rd Gen. A switchable Air mode will add extra clarity to your acoustic instruments when recording with your Solo 3rd Gen
- Get the perfect guitar and vocal take with - With two high-headroom instrument inputs to plug in your guitar or bass so that they shine through. Capture your voice and instruments without any unwanted clipping or distortion thanks to our Gain Halos
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- Low-noise for crystal clear listening - 2 low-noise balanced outputs provide clean audio playback with 3rd Gen. Hear all the nuances of your tracks or music from Spotify, Apple & Amazon Music. Plug-in headphones for private listening in high-fidelity
- Everything in the box: Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion: a suite of essential effects, powerful software instruments, and easy-to-use mastering tools
Trace the audio from its source into the encoder
- Play known-good audio. Use a familiar track or test tone at a low, safe level. Check that the player is actually playing and its application volume is up.
- Check the operating system and connections. Confirm the system mixer has not muted the application or device, the selected capture device is the one carrying the audio, and any physical connection is seated with the expected input selected.
- Watch the encoder’s input meter. In OBS, play the audio and watch the relevant source in the Audio Mixer. OBS documents its meter, fader, mute, and monitoring controls in the Audio Mixer Guide. If the input indicator is absent, OBS’s Audio Mixer Technical Details says no audio is reaching OBS.
- Check the active program and routing. Confirm the source is not muted and is routed to the stream mix. A source may be scene-specific, so check that it is active in the scene currently going to air. Inspect source filters if the meter or output suggests the signal is being suppressed.
- Record and listen back. Monitoring alone does not prove that audio is included in the outgoing stream. Make an encoder-side recording and listen to it before relying on the live broadcast. OBS recommends listening as early as possible in the chain and again when the signal reaches OBS.
OBS’s Audio Sources documentation notes that duplicating an audio device both globally and in a scene can cause echo. Avoid adding a duplicate source as a blind fix; first identify which source is meant to feed the program.
Check the outgoing audio format and stream count
YouTube’s live encoder settings guidance lists AAC or MP3 for live audio. For stereo, it recommends a 44.1 kHz sample rate and 128 kbps audio. In Live Control Room, use the current health message to identify a missing stream, multiple audio streams, an incorrect sample rate, or low audio bitrate rather than assuming a preset is correct.
Rank #2
- The new generation of the songwriter's interface: Plug in your mic and guitar and let Scarlett Solo 4th Gen bring big studio sound to wherever you make music
- Studio-quality sound: With a huge 120dB dynamic range, the newest generation of Scarlett uses the same converters as Focusrite’s flagship interfaces, found in the world's biggest studios
- Find your signature sound: Scarlett 4th Gen's improved Air mode lifts vocals and guitars to the front of the mix, adding musical presence and rich harmonic drive to your recordings
- All you need to record, mix and master your music: Includes industry-leading recording software and a full collection of record-making plugins
- Everything in the box: Includes Pro Tools Intro+, Ableton Live Lite, Cubase LE, and Hitmaker Expansion: a suite of essential effects, powerful software instruments, and easy-to-use mastering tools
- Confirm the encoder is sending the intended audio track.
- Use a supported audio codec and check sample rate and bitrate against YouTube’s current guidance.
- Change one setting at a time, then verify the encoder output and YouTube health message.
Do not add another track or duplicate an audio device as a guess: YouTube’s no-audio guidance says the ingest stream should contain one audio stream.
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Check sound at each point rather than treating one working meter as proof that the full broadcast is audible. YouTube recommends previewing before going live, monitoring the stream, and verifying local archive files in its streaming tips.
Rank #3
- PLUG IN AND HEAR SOUND IN SECONDS - USB Type-A connector with a 3.5mm stereo headphone output and a separate 3.5mm mono microphone input. No drivers, no software, no external power - the adapter is USB bus-powered and is recognized as a standard USB audio device.
- WORKS ON WINDOWS, MAC AND LINUX - Driverless on Windows 98SE/ME/2000/XP/Server 2003/Vista/7/8, Linux and Mac OSX, and compliant with the USB Audio Device Class 1.0 specification, so any system that supports class-compliant USB audio will see it. Select it as the sound output and input device after plugging it in.
- TWO JACKS, TWO JOBS - The green jack is stereo OUT for headphones or powered speakers; the pink jack is mono microphone IN for a 3.5mm mic. It does NOT support 4-pole headsets on a single combo plug, it does NOT power passive speakers, and it does NOT add surround sound - it is a stereo 2-channel adapter.
- FOR LAPTOPS AND DESKTOPS THAT NEED AN AUDIO PORT BACK - Adds a headphone and mic port to a laptop, desktop, or mini PC whose onboard jack has failed or was never there. Managed and work-issued computers can block new USB audio devices by policy - check with your IT department before ordering for a company machine.
- SABRENT SUPPORT AND WARRANTY - What is in the box: one USB audio sound adapter. Backed by a 1-year limited warranty, extended to 2 years when you register within 90 days on the manufacturer's website.
- Listen to an encoder-side recording. If it is silent, return to source selection, mute state, routing, and track assignment.
- Listen to the Live Control Room preview and check its health message. If the recording has sound but YouTube reports no audio, inspect the ingest track and format settings.
- Test the public player on another device or network. If the recording and preview have sound but public playback is silent for multiple listeners, preserve the timestamps and messages and use YouTube’s report-problem route.
For a 24/7 station, include these checks in routine monitoring and test backup-encoder or restart procedures during planned maintenance. YouTube’s general streaming tips discuss backup-encoder testing and continuous monitoring; they do not establish a special automatic silence alarm or guaranteed unattended recovery procedure for always-on radio streams.
Use the symptom to choose the next check
| What you observe | Next check | Why |
|---|---|---|
| One listener reports silence | That player’s mute, volume, selected output, and browser or app | The issue may be limited to that playback device. |
| OBS’s source meter has no activity | Playback, selected capture device, operating-system or app volume, connection, and source filters | OBS says an absent input indicator means audio is not reaching OBS. |
| The OBS meter moves, but the encoder recording is silent | Mute state, output routing, active program scene, and track assignment | A moving source meter does not confirm that source is in the recorded or streamed mix. |
| The encoder recording has audio, but YouTube flags no audio | Ingest audio track, codec, sample rate, and the exact health message | YouTube’s guidance identifies missing or incorrectly configured incoming audio as possible causes. |
| The recording and preview have sound, but public listeners report silence | Test another client or network; if it persists, record timestamps and report the issue to YouTube | This separates local playback trouble from a problem affecting public playback. |
These are diagnostic directions, not guarantees: validate each stage directly because a symptom alone does not identify the failed device.
Rank #4
- Podcast, Record, Live Stream, This Portable Audio Interface Covers it All - USB sound card for Mac or PC delivers 48kHz audio resolution for pristine recording every time
- Be ready for anything with this versatile M-AUDIO interface - Record guitar, vocals or line input signals with two combo XLR / Line / Instrument Inputs with phantom power
- Everything you Demand from an Audio Interface for Fuss-Free Monitoring - 1/4" headphone output and stereo 1/4" outputs for total monitoring flexibility; USB/Direct switch for zero latency monitoring
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Quick Recap
Best Value
- The new generation of the artist's interface: Connect your mic to Scarlett's 4th Gen mic pres. Plug in your guitar. Fire up the included software. Start making your first big hit
- Studio-quality sound: With a huge 120dB dynamic range, the newest generation of Scarlett uses the same converters as Focusrite’s flagship interfaces, found in the world's biggest studios
- Never lose a great take: Scarlett 4th Gen's Auto Gain sets the perfect level for your mic or guitar, and Clip Safe prevents clipping, so you can focus on the music
- Find your signature sound: Air mode lifts vocals and guitars to the front of the mix, adding musical presence and rich harmonic drive to your recordings
- With Scarlett 4th Gen, you have all you need to record, mix and master your music: Includes industry-leading recording software and a full collection of record-making plugins
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