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Playback problems on Hitorino usually come down to one of three things: your internet connection, your browser environment, or the stream itself. Work through the sections below in order — most viewers resolve their issue within the first two steps without needing to contact support.
Before diving into troubleshooting, check the Hitorino Status Page to confirm there are no active incidents or scheduled maintenance windows affecting playback.

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Buffering and Stuttering

Buffering is the most common playback complaint and is almost always caused by a mismatch between the stream’s bitrate and your available bandwidth.
1

Lower the stream quality

Click the gear icon (⚙️) in the video player, select Quality, and choose a lower resolution — try 720p or 480p first. Hitorino streams at multiple quality levels simultaneously, so stepping down immediately reduces the data your connection needs to receive.
2

Run a speed test

Visit fast.com or speedtest.net and run a test. For reliable playback you need:
  • 480p — at least 3 Mbps download
  • 720p — at least 6 Mbps download
  • 1080p — at least 12 Mbps download
  • 1080p60 / Source — at least 20 Mbps download
If your speed falls below these thresholds, the problem is your connection, not Hitorino.
3

Switch to a wired connection

Wi-Fi introduces packet loss and latency spikes that cause intermittent buffering even on fast connections. Plug directly into your router with an Ethernet cable and reload the stream.
4

Close bandwidth-heavy applications

Other apps on your network — cloud backups, torrents, video calls, and game downloads — compete for the same bandwidth. Pause or close them, then check playback again.
5

Clear your browser cache

A bloated or corrupted cache can throttle media loading. In most browsers press Ctrl + Shift + Delete (Windows) or Cmd + Shift + Delete (Mac), select Cached images and files, and clear the data. Reload the stream page.
Enable Low Latency Mode in your player settings only if you need real-time interaction. Turning it off gives Hitorino a larger buffer to work with, which significantly reduces stuttering on congested networks.

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Stream Won’t Load

If the player shows a spinner indefinitely, a black screen with no error, or an explicit “Stream Unavailable” message, work through these steps.
The player will display a loading state even when a channel is offline. Confirm the creator is actually broadcasting by checking their channel page — a red LIVE badge appears next to their avatar when a stream is active. If the badge is absent, the creator may have ended the stream or not started it yet.
Ad blockers, VPNs, and privacy extensions frequently interfere with the video delivery network (CDN) that Hitorino uses. Disable all extensions and reload the page. If playback works, re-enable extensions one at a time to find the culprit.The most common offenders are:
  • uBlock Origin (add hitorino.tv to your allowlist)
  • Privacy Badger
  • Ghostery
  • Any VPN browser extension routing traffic through a blocked region
Hitorino’s player is tested on Chrome, Firefox, Edge, and Safari. If you’re using a less common browser, switch to one of those. If you’re already on a supported browser, try a different one to rule out a browser-specific bug.
Hardware acceleration offloads video decoding to your GPU. On some machines this causes decoding errors that prevent the stream from rendering.Chrome: Settings → System → uncheck Use hardware acceleration when available, then relaunch.Firefox: Settings → General → Performance → uncheck Use recommended performance settings → uncheck Use hardware acceleration when available, then relaunch.
A stale DNS entry can prevent your browser from reaching Hitorino’s servers.Windows: Open Command Prompt and run ipconfig /flushdnsMac: Open Terminal and run sudo dscacheutil -flushcache && sudo killall -HUP mDNSResponderLinux: Run sudo systemd-resolve --flush-cachesAfter flushing, reload the stream page.
Corporate firewalls and aggressive antivirus software sometimes block the WebSocket connections Hitorino uses for low-latency streaming. Try disabling your firewall or antivirus temporarily to test. If that resolves it, add *.hitorino.tv to your firewall’s allowlist rather than leaving it disabled.

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Audio/Video Out of Sync

A/V sync issues almost always originate on the creator’s side (encoder misconfiguration), but a few client-side steps can help.
1

Refresh the stream

Press F5 or click your browser’s refresh button. The player will reconnect to the stream and resync audio and video tracks from the beginning of the current segment.
2

Switch quality levels and switch back

Open the quality menu, select any different resolution, wait three seconds, then switch back to your preferred quality. This forces the player to reinitialize the audio and video decoders in sync.
3

Disable audio enhancements

Windows Sonic, Dolby Atmos, and other spatial audio drivers can introduce audio processing delays that shift sync. Right-click your speaker icon → Sound settings → Device properties → Additional device properties → Enhancements tab → check Disable all enhancements.
4

Try a different browser or disable hardware acceleration

GPU-accelerated video decoding can occasionally introduce frame timing drift. Disable hardware acceleration (see the steps above) or switch browsers to verify.
If the sync issue persists across multiple browsers and devices, the problem is on the creator’s end — their encoder is misconfigured. Consider letting the creator know in their chat so they can restart their stream.

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Black Screen

A black screen with audio playing is a video-decoding problem. A black screen with no audio at all usually means the stream hasn’t loaded.
Your browser is receiving the stream but can’t decode the video track. Try these fixes in order:
  1. Disable hardware acceleration (see the steps in the “Stream Won’t Load” section above).
  2. Update your GPU drivers. Visit your GPU manufacturer’s site (NVIDIA, AMD, or Intel) and install the latest driver.
  3. Update your browser to the latest stable release.
  4. Try a different browser — if Chrome shows a black screen but Firefox plays fine, your Chrome installation or GPU driver has a codec conflict.
  1. Confirm the stream is still live (refresh the channel page).
  2. Check your internet connection — run a speed test.
  3. Clear your browser cache and cookies.
  4. Disable all browser extensions and reload.
  5. If none of those work, try opening the stream in a private/incognito window to rule out a profile-specific issue.

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Mobile App Issues

The Hitorino mobile app (iOS and Android) has its own playback engine separate from the browser player.
  1. Open Settings in the Hitorino app and navigate to Playback.
  2. Set Video Quality to Auto — this lets the app dynamically adjust to your signal strength.
  3. Switch from Wi-Fi to mobile data (or vice versa) to determine which connection performs better.
  4. Close any other streaming apps running in the background.
  1. Force-close the app completely and relaunch it.
  2. Update the app — open the App Store or Google Play and install any available updates.
  3. Restart your device to clear cached memory that may be interfering with the video renderer.
  4. Reinstall the app if crashes persist after updating. Your account data and subscriptions are stored server-side and won’t be affected.
Some mobile carriers use data compression proxies that break HLS video streams. Toggle Airplane Mode on for five seconds, then off again — this re-establishes your data connection and often bypasses the proxy. Alternatively, enable a VPN on your device to route around your carrier’s compression.
Check that your iPhone’s Ring/Silent switch (the physical toggle on the left side) is set to ring mode. Hitorino respects the iOS silent mode setting. Also ensure the in-app volume slider is not at zero.

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Still Having Trouble?

If you’ve worked through all the steps above and playback still isn’t working, gather the following before contacting support — it significantly speeds up diagnosis:

What to collect

  • Your browser name and version
  • Your operating system
  • The channel URL where the issue occurs
  • A screenshot or screen recording of the error
  • Your approximate download speed from speedtest.net

Contact support

Open a ticket at support.hitorino.tv or use the in-app Help button. Include the details listed here and our team will respond within 24 hours.