Locate the boundary of the silence
Note the replay title and the start and end of the silent passage. Compare an earlier and later section at a comfortable volume. If the same bounded interval is silent while surrounding content plays, preserve that observation before trying a broad device reset.
This pattern does not by itself prove the cause: a source recording can contain other audio problems. It does, however, identify a title-and-time-specific issue. Report that precise interval rather than saying the entire service has no sound, especially when another video plays normally.
Understand the platform’s documented behavior
Twitch explains that its recognition system may mute portions of a VOD when it detects copyrighted audio. It says a muted VOD does not by itself mean the creator received a DMCA notification. The creator’s Video Producer includes the relevant muted-audio information and appeal route.
As a viewer, you cannot restore an affected passage by selecting a different output channel. Nor does the muting status establish a legal conclusion about the creator’s rights. The useful distinction here is between the supplied replay audio and the local listening equipment; any creator dispute belongs in Twitch’s own process.
Avoid destructive or irrelevant troubleshooting
Keep working audio settings intact while investigating a bounded source issue. If contacting the streamer or support, give the replay reference and time interval without asserting that the creator has received a strike or violated a rule. A factual description is enough to direct attention to the relevant segment.
For creators, Twitch’s VOD guide additionally says downloading a muted video does not produce an unmuted version. Preserve the original local production materials where available rather than expecting a platform download to undo muting. This is a platform-behavior check, not a method for bypassing a mute or a substitute for rights review.
Questions about this guide
Does a muted segment mean my headphones are faulty?
Not necessarily. Twitch documents source-level muting of portions of VODs.
Will downloading that muted VOD restore its audio?
Twitch’s VOD help says the downloaded muted video will not provide an unmuted version.