October DealsAmazon USOctober deal check: compare before you payAmazon US: current deals, useful picks and tech finds.Check DealsWindows FixRecommendedWindows errors stealing your time? Find the fix fastScan stability, cleanup and performance issues.Fix NowOctober DealsAmazon USDeal season is back - check today's better picksAmazon US: current deals, useful picks and tech finds.See Picks×
Skip to content
DocumentaryTube
CBR

YouTube Live Encoder Settings: CBR, Keyframes, Profile, and Preset

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

For most YouTube Live streams, set bitrate control to CBR and the keyframe interval to 2 seconds. Choose the bitrate from YouTube’s live recommendations for your codec, resolution, and frame rate. YouTube does not specify one required H.264 profile or a universal encoder preset; its live guidance instead lists advanced properties such as progressive scan, two B-frames, one reference frame, and CABAC.

Quick settings for YouTube Live

Setting Recommended starting point
Rate control CBR
Keyframe interval 2 seconds; do not exceed 4 seconds
H.264 profile YouTube’s live encoder guidance does not specify a required profile
Encoder preset YouTube does not specify a universal encoder preset; choose one that meets the listed requirements and test it
Transport RTMP or RTMPS; YouTube recommends RTMPS

These are live-ingest recommendations, not a guarantee that every encoder labels its controls the same way. YouTube’s live encoder settings and bitrate guidance is the reference for supported formats and settings.

Choose a bitrate for H.264

The values below are YouTube’s recommended live ingestion bitrates for H.264. The minimum is a lower bound in YouTube’s recommendation table; the recommended value is the suggested target. Pick a quality your upload connection can sustain reliably, and run a speed test before going live.

Resolution and frame rate H.264 minimum H.264 recommended
2160p (4K), 60 fps 14 Mbps 50 Mbps
2160p (4K), 30 fps 11 Mbps 42 Mbps
1440p, 60 fps 8 Mbps 34 Mbps
1440p, 30 fps 7 Mbps 21 Mbps
1080p, 60 fps 6 Mbps 17 Mbps
1080p, 30 fps 5 Mbps 14 Mbps
720p, 60 fps 3 Mbps 8 Mbps
720p, 30 fps 3 Mbps 8 Mbps
480p, 30 fps 0.4 Mbps 4 Mbps
360p, 30 fps 0.4 Mbps 4 Mbps

For AV1 or H.265/HEVC, use the corresponding codec rows in YouTube’s current official bitrate table. H.264 values should not be assumed to apply to those codecs. YouTube supports H.264, H.265/HEVC, and AV1 for live video, with frame rates up to 60 fps; the source material, connection, HDR needs, and encoder controls all affect the sensible choice. The official guidance does not establish a universal quality ranking among the codecs.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
#1 Best Overall
Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter
  • Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
  • Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
  • Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
  • Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
  • 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.

CBR: choose the mode, then the bitrate

CBR means constant bitrate: the encoder aims to keep the stream’s video bitrate near the selected target. It is the bitrate mode YouTube lists for live encoding. CBR does not tell you what numeric bitrate to enter; select that separately using the codec, resolution, and frame rate table.

Keyframes: set a 2-second interval

Set the keyframe frequency or interval to 2 seconds. YouTube recommends this interval and says not to exceed 4 seconds. Encoder interfaces may express the setting in seconds or as a GOP/keyframe value; use the option that produces a two-second interval for your frame rate.

Rank #2
Anker USB-C Hub, 5-in-1 USB Hub for Laptops, 4K HDMI Multiport Adapter
  • 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
  • 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
  • Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
  • 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
  • What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.

H.264 profile: do not confuse live with uploads

YouTube’s live encoder requirements do not name a required H.264 profile. They list other recommended advanced properties: progressive scan, two B-frames, one reference frame, and CABAC. Where your encoder exposes those controls, configure them to match YouTube’s live guidance.

YouTube’s separate recommended upload encoding settings page specifies High Profile for uploaded files and includes upload-specific guidance such as variable bitrate. Those are upload recommendations, not evidence that High Profile or VBR is a YouTube Live requirement.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Rank #3
Sale
Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter
  • Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
  • Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
  • Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
  • Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
  • What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.

Encoder preset: there is no universal YouTube choice

A preset name generally belongs to a particular software or hardware encoder, and its meaning can vary by implementation. YouTube’s live guidance does not prescribe a universal preset or software-encoder speed setting. Choose an available preset that your system can run while meeting the stream requirements, then test the actual output rather than treating a preset label as a YouTube standard.

Other live settings that matter

Transport and video

  • YouTube lists RTMP and RTMPS; it recommends RTMPS for transport.
  • Use progressive scan and square pixels.
  • For SDR, YouTube lists Rec. 709.
  • For HDR over RTMP(S), YouTube recommends H.265. AV1 is not supported for HDR.

Audio

  • YouTube lists AAC and MP3 audio codecs. For 5.1 surround over RTMP/RTMPS, only AAC is supported.
  • Recommended audio sample rate: 44.1 kHz for stereo or 48 kHz for 5.1.
  • Recommended audio bitrate: 128 Kbps for stereo or 384 Kbps for 5.1.

Test before the event and monitor stream health

YouTube advises: “Make sure to test before you start your live stream.” Use a private or unlisted test where appropriate, with audio and movement similar to the planned program. Check that the encoder connects, audio is present and in sync, the picture is stable, and YouTube reports healthy stream status. Keep an eye on stream health during the event so you can respond to dropped frames, connection problems, or configuration errors.

Rank #4
Sale
UGREEN USB to USB C Adapter Combo 4-Pack, 10Gbps USB C Converter Space Gray
  • Dual Converters, Infinite Potential:Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
  • Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
  • Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
  • Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
  • Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft

YouTube describes an encoder as computer software or a standalone hardware device. A hardware encoder is optional: software encoders are also supported. YouTube’s encoder setup guidance describes the encoder-based setup and typical equipment.

Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Common problems and fixes

  • Connection or stream-health warnings: bitrate may be too high for the available upload connection, or the connection may be unstable. Run a speed test, select a sustainable bitrate from the table, and test again.
  • Keyframe warning: change the interval to 2 seconds and make sure it does not exceed 4 seconds.
  • Unclear profile or preset requirement: YouTube does not set a universal live profile or preset. Match the documented live properties, then validate the encoder output in a test.
  • Following upload instructions for a live stream: keep High Profile and VBR guidance from the upload page in its upload context; configure live ingest using YouTube’s live settings instead.
  • HDR with AV1: AV1 is not supported for HDR in YouTube’s RTMP(S) guidance. For HDR over RTMP(S), YouTube recommends H.265.
  • No audio or incompatible surround sound: verify the encoder’s audio codec and sample rate. For 5.1 over RTMP/RTMPS, use AAC.

Or let it run in the cloud

If your goal is to keep a YouTube channel live with prerecorded video, StreamNeo is a cloud option rather than an encoder setup on a computer: upload a recording or build a playlist, add your YouTube stream key once, and go live. Nothing has to stay on at home; it plays uploaded videos rather than broadcasting a camera. Videos stream as uploaded, up to 4K 60fps, at one flat price per slot, and StreamNeo automatically recovers if YouTube drops the stream. The first day is free with no card. Monthly: $9.99 per month. See StreamNeo for details, or start the free first day.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
Best Value
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display
  • 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
  • Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
  • Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
  • HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
  • What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Leave a Reply

Your email address will not be published. Required fields are marked *

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

Read next

Recommended PC Tool
Recommended PC Tool
Crashes, No Sound, or Screen Glitches?Free driver scan
PC Slower Than It Used to Be?Free scan - under a minute

Two free Windows tools

One Free Minute Could Fix That PC

Before you go - each of these free tools takes about a minute and tackles what quietly slows a Windows PC down.

Special offer. View Outbyte info, uninstall instructions, EULA, and Privacy Policy.