If viewers can’t hear your Larix Broadcaster stream on YouTube Live, first check Android’s microphone permission and device-wide microphone access, then confirm Larix is using the intended audio source. If those checks pass, compare a local recording with YouTube’s live preview and playback to find where the audio disappears. The right fix depends on whether you’re capturing the phone’s microphone, an external input, or sound from another app.
Identify which audio is missing
Before changing settings, distinguish between the person speaking near the phone and sound playing inside another Android app. They use different capture paths: a microphone permission problem can silence ordinary mic input, while Android’s restrictions on capturing other apps’ audio do not explain a silent microphone by themselves.
- Built-in microphone: The phone’s microphone should capture nearby speech or sound.
- External microphone or mixer: The phone must recognize the accessory, and Larix must select the intended input.
- Audio from another app: Android version and the source app’s support for external recording can determine whether Larix can capture it.
Note which source you’re using and whether any local recording has sound. That gives you a baseline for the checks below.
Check Android microphone permission and privacy access
- Open Settings > Apps > Larix Broadcaster > Permissions > Microphone and allow microphone access. Android’s app permission controls whether Larix can record audio while it is in use.
- Check the device-wide microphone control under Settings > Security & privacy > Privacy controls. Make sure microphone access is enabled.
- Return to Larix and make a short test. If either control was disabled, enabling it may restore mic capture.
Android menu names and locations vary by operating-system version and manufacturer. App permission and the device-wide microphone control are separate checks; verify both.
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Confirm Larix is using the intended audio source
- Open Larix Broadcaster and go to Settings > Audio.
- Inspect Audio source. For the phone’s built-in mic, select an appropriate built-in source. For an external microphone or mixer, connect it and check that Larix selects that input.
- If the input is still not detected, try changing the audio source setting. Larix’s Google Play developer guidance also suggests that some external devices may need a higher sample rate, such as 48000. This is a troubleshooting suggestion, not a universal requirement.
- Change one setting at a time, then make a short test so you can tell whether it helped.
The Google Play listing for Larix Broadcaster showed an update date of Aug. 11, 2026, and lists Furtree Systems, Inc. as the developer. App features and setting labels may change, so check the current app controls if they differ from these paths.
For sound playing in another Android app, check the capture limits
Larix’s FAQ says Android 9 or earlier restricts apps from capturing audio played by other apps. On Android 10, media capture works only when the source app supports external recording. For that capture path, Larix documents the control at Audio > Sound settings > Media sounds.
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These limits concern internal or other-app audio, not an ordinary microphone recording. If viewers can’t hear a person speaking near the phone, continue checking microphone permission, privacy access, and the selected input.
If you use an external microphone, headset, or mixer
- Reconnect the accessory and check that its plug, adapter, and connector type match the phone and input you intend to use.
- Confirm that the phone recognizes the accessory, then check Larix’s Audio source setting again.
- If using a mixer line feed, don’t assume that a connector fitting the phone means the phone accepts the signal or Larix has selected it.
- If you suspect the phone’s input is the problem, a compatible external mic, such as a USB-C lavalier, is an alternative capture device. Check compatibility with your phone before buying; changing microphones will not fix a denied permission or a YouTube-side problem.
A user report on the Larix listing describes a Pixel 3a not always detecting line audio through its headphone jack. Treat that as an individual example of why input detection is worth checking—not as evidence of a general Pixel compatibility issue.
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Find out whether the audio disappears before or after YouTube
- Make a brief test stream and check whether Larix indicates audio activity. If available, listen to a local recording from the same input.
- Open the incoming preview in YouTube Live Control Room and listen to the stream from a separate playback device. YouTube recommends setting up connected microphones with the encoder and entering the YouTube Live server URL and stream key in the encoder.
- If the local recording is silent, focus on Android permission and privacy controls, Larix’s selected source, and whether the phone recognizes the input.
- If the local recording has sound but the YouTube playback does not, check the encoder’s audio routing and the stream connection settings, including the YouTube server URL and stream key.
This comparison is a practical way to isolate capture from stream output; YouTube’s encoder instructions do not provide a Larix-specific audio-meter diagnosis.
Troubleshoot by symptom
| What you find | Where to check next |
|---|---|
| Built-in microphone is silent locally and on YouTube | Android’s Larix microphone permission, device-wide microphone access, and Larix’s Audio source setting. |
| Built-in mic works, but an external mic or mixer is silent | Whether the phone recognizes the connected input, whether its connector and adapter are appropriate, and which source Larix has selected. For some external devices, test the sample-rate suggestion described above. |
| Speech is audible, but audio playing in another app is missing | Android version and the source app’s support for external recording; on Android 10, check Larix’s Media sounds setting. |
| Local recording has sound, but YouTube playback is silent | Audio routing and the encoder’s YouTube stream connection settings. Compare the Live Control Room preview with playback on a separate device. |
Or let it run in the cloud
StreamNeo is not a microphone troubleshooting tool: it plays uploaded videos on a YouTube channel rather than going live from a phone camera or mic. If your goal is instead to keep uploaded video running as a 24/7 YouTube stream, you can upload a recording or build a playlist, add your YouTube stream key, and go live. StreamNeo loops the video from the cloud, so nothing has to stay on at home; it accepts uploads as made up to 4K 60fps at one flat price per slot, automatically recovers if YouTube drops the stream, and offers the first day free with no card. Monthly: $9.99 per month. Learn more at StreamNeo, or start the free day.
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