Creative Broadcast Agency
Production guide

How to record a live stream professionally.

Recording a live stream professionally requires more than clicking record. This guide covers encoders, ISO recordings, archive management, and post-event delivery.

Recording a live stream isn't the same as hitting a screen recorder and hoping for the best. When you record a live stream professionally, you're capturing a broadcast-quality archive that can be repurposed into highlight reels, social clips, training materials, and on-demand content,months or even years after the original event. The difference between a raw screen capture and a properly recorded stream is the difference between a shaky phone video and a polished production.

At Creative Broadcast Agency, we record every live stream we produce as standard practice. Here's how we do it,and how you can set up professional live stream recording regardless of your budget or scale.

Why You Should Always Record Your Live Stream

The most obvious reason is archival: you want a copy of what went out. But the real value is in what happens after. A single two-hour live stream can yield dozens of content assets. A keynote becomes a standalone video. Panel discussions become podcast episodes. Key moments become 30-second social clips. Product demonstrations become sales tools. Training sessions become an on-demand library.

Without a proper recording, you're leaving all of that on the table. Platform recordings (YouTube's automatic archive, for example) are compressed, often have chat overlays baked in, and give you limited control over the output format. A dedicated recording gives you the clean, uncompressed (or minimally compressed) source file you need for professional post-production.

Method 1: Recording at the Encoder Level (Best Quality)

The highest-quality approach is recording directly from your hardware encoder or production system before the stream is compressed for delivery. This captures the full-resolution, high-bitrate signal,exactly what your cameras and vision mixer are outputting.

How it works: Most professional encoders have a built-in recording function. The LiveU LU800, Teradek Prism, and Blackmagic Web Presenter 4K all support simultaneous streaming and local recording. The encoder sends a compressed stream to your platform (typically at 6–12 Mbps for 1080p) while simultaneously writing a higher-quality file to an internal SSD or connected storage.

Settings we recommend:

Parameter Streaming Output Local Recording
Resolution 1920×1080 1920×1080 (or 3840×2160 if 4K source)
Codec H.264 ProRes 422 or H.265
Bitrate 6–12 Mbps 50–100 Mbps (ProRes) or 20–40 Mbps (H.265)
Frame rate 25/30 fps Match source (25/30/50/60 fps)
Audio AAC 128 kbps stereo PCM 48 kHz / 24-bit or AAC 320 kbps

The key advantage here is that your recording is independent of your internet connection. Even if the stream drops to a lower adaptive bitrate tier during delivery, your local recording maintains full quality throughout.

Best for: Professional productions, corporate events, anything where post-production editing is planned.

Method 2: Recording from Your Production Software

If you're using software-based production tools like vMix, OBS Studio, or Wirecast, you can record directly from the application while streaming simultaneously.

vMix is our go-to for software production. It supports recording in multiple formats (MP4, AVI, MKV) at configurable quality levels independent of the stream output. You can record the program output (what viewers see), individual camera inputs, or multiple isolated recordings simultaneously,which is invaluable for post-production flexibility.

OBS Studio records to MKV or MP4 using either x264 (CPU) or NVENC (GPU) encoding. For simultaneous streaming and recording, use the "Custom Output" option under Settings → Output → Recording to set a higher bitrate than your stream. A common mistake is leaving the recording bitrate tied to the stream bitrate,your recording should be 2–5x higher.

Key tip: Always record to a separate physical drive from your operating system. Writing a high-bitrate recording to the same drive your OS and streaming software are running on causes I/O bottlenecks, dropped frames, and potential crashes.

Best for: Single-operator setups, webinars, smaller productions where hardware encoders aren't justified.

Method 3: ISO (Isolated) Recording of Individual Cameras

ISO recording captures each camera feed independently, giving you complete editorial flexibility in post-production. Instead of recording only the switched program output, you record every camera angle separately,so an editor can recut the entire event from scratch.

How it works: Each camera feed is recorded individually, either by the camera itself (to internal media), by dedicated recorders like the Atomos Ninja V or Blackmagic Video Assist, or by a multi-channel recording system like the Blackmagic HyperDeck Studio or AJA Ki Pro Ultra. The program output (the live-switched version) is recorded simultaneously as a reference.

When ISO recording matters:

  • Corporate keynotes: The CEO's presentation needs to be perfect in the archive version, even if the live switch had a slightly late cut
  • Multi-camera panel discussions: Post-production can hold on the active speaker rather than relying on real-time switching
  • Esports tournaments: Replay editors need access to individual camera angles for highlight packages
  • Music and performance events: Multi-track recording allows remixing of both audio and video

Storage requirements: ISO recording consumes significant storage. A 4-camera shoot recording ProRes 422 at 1080p/25fps generates roughly 40 GB per hour per camera,so a 3-hour event with 4 cameras needs approximately 480 GB of raw media, plus the program recording.

Best for: High-value productions where post-production quality justifies the additional storage and workflow complexity.

Method 4: Platform Recording (Backup Only)

Most streaming platforms offer automatic recording. YouTube archives live streams as VODs. Vimeo saves recordings to your library. Facebook keeps live videos on your page. These platform recordings serve as a backup, but they should never be your primary recording method.

Why platform recordings aren't enough:

  • Compressed at delivery bitrate (typically 4–8 Mbps),not suitable for professional editing
  • May include chat overlays, watermarks, or platform UI elements
  • Quality depends on your upload bandwidth during the stream,if your connection dropped, the recording reflects that
  • Limited format options (usually MP4 only, at the streamed resolution)
  • Platform may process or re-encode the file, introducing generation loss
  • You're dependent on the platform's retention policies

Use platform recordings for: Quick sharing, proof of broadcast, backup in case primary recording fails.

Audio Recording: The Often-Forgotten Element

A common mistake is focusing entirely on video recording and neglecting audio. Your live stream recording is only as useful as its audio quality.

Record audio separately whenever possible. Feed a dedicated audio mix from your sound desk into a standalone recorder (Zoom F6, Sound Devices MixPre) or into a dedicated audio channel on your video recorder. This gives you a clean, uncompressed audio track that's independent of the video encoding process.

Record a separate "clean" mix without music beds, sound effects, or audience ambience if you plan to repurpose the content. A clean dialogue track is essential for translation, subtitling, and podcast repurposing.

Match your audio sample rate across all devices. Standard broadcast is 48 kHz / 24-bit. Mixing 44.1 kHz and 48 kHz sources in post creates sync drift that's tedious to fix.

Recording Workflow: Before, During, and After

Before the Event

  1. Test your recording setup independently from your stream. Start a recording, let it run for 10 minutes, stop it, and verify the file plays back correctly with both audio and video in sync
  2. Calculate your storage needs. Duration × number of cameras × bitrate = total storage. Add 25% headroom
  3. Format your recording media. Use freshly formatted drives (exFAT for cross-platform compatibility). Never record to a drive with existing data if you can avoid it
  4. Set your file naming convention. Include date, event name, and camera designation: 2026-03-18_ClientName_CAM1.mov
  5. Verify timecode. If using multiple recorders, sync timecode across all devices using a timecode generator or jam-sync. This saves hours in post-production

During the Event

  • Monitor recording status on a dedicated display or via tally indicators,a red recording light should be visible to the technical director at all times
  • Check disk space every 30 minutes during long events
  • Don't stop and restart recordings mid-event unless absolutely necessary. Each start creates a new file, and the gap between files can lose critical moments
  • Log key moments with timecodes as they happen. This speeds up post-production enormously

After the Event

  1. Verify all files immediately before striking equipment. Play back the first 30 seconds and last 30 seconds of each recording
  2. Copy files to two separate locations before formatting any media. Our rule: it doesn't exist unless it's in two places
  3. Create proxy files (low-resolution copies) for editing if your source files are ProRes or high-bitrate,this keeps your editing timeline responsive
  4. Archive the original source files in their native format. Never archive only the edited output

Common Recording Mistakes

Recording and streaming on the same bitrate. Your stream might be 6 Mbps for reliable delivery,but your recording should be 20 Mbps minimum (or lossless if storage allows). These are separate outputs with different requirements.

Using the wrong codec for your workflow. H.264 is efficient for delivery but demanding to edit. ProRes and DNxHR are designed for editing workflows,they decode faster and handle colour grading better. If you plan to edit, record in an edit-friendly codec.

Forgetting to monitor the recording. We've seen productions where the stream ran perfectly but the recording failed 20 minutes in due to a full drive or a dropped USB connection. Monitor your recordings with the same vigilance as your stream.

Not accounting for file size limits. FAT32-formatted drives cap files at 4 GB. exFAT and NTFS don't have this limitation. A single hour of ProRes 422 at 1080p is roughly 40 GB,if your drive is FAT32, the recording will stop silently when it hits the limit.

Single point of failure. Record to at least two destinations. If your primary recorder is the encoder's internal SSD, run a parallel recording on your production software or a standalone recorder. Hardware fails. Drives corrupt. Redundancy isn't optional for professional work.

Equipment Recommendations by Production Tier

Entry setup: OBS Studio recording to a dedicated SSD. Record at CQP 18 (x264) or equivalent quality. External USB audio interface for clean audio capture. This gives you a solid recording alongside your stream for internal-use content and smaller productions.

Mid-tier setup: vMix or dedicated hardware encoder with built-in recording (Blackmagic Web Presenter 4K, AJA HELO Plus). Separate audio recorder (Zoom F6). Dedicated recording SSD via USB-C or Thunderbolt. This is the sweet spot for most corporate and event productions.

Broadcast-grade setup: Multi-channel ISO recording via Blackmagic HyperDeck Studio or AJA Ki Pro rack. Dedicated recording engineer monitoring all feeds. RAID storage for real-time redundancy. Timecode sync across all devices. This is what we deploy for broadcast productions, esports tournaments, and government conferences.


Creative Broadcast Agency records every production at broadcast quality as standard. Whether you need a clean archive for on-demand delivery or full ISO recordings for post-production, we build recording into every workflow from day one. Get in touch to discuss your next production, or explore our live event streaming services and corporate streaming service options.

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