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Streaming terms describe different parts of a broadcast: bitrate is how much data you send each second, resolution is the picture’s dimensions, frame rate is how often pictures update, and latency is the delay before viewers see them. They are related, but none is a substitute for the others—and the right settings depend on your platform, connection, equipment, and audience.
What does bitrate mean when streaming?
Bitrate is the amount of data sent each second from your streaming setup to a platform. Twitch describes it as “the amount of data you send to Twitch when you stream.” A higher bitrate uses more of your available upload bandwidth and can improve picture quality, but only up to a point. It does not guarantee a visible improvement if the source, encoder, connection, or viewer playback is the limiting factor. Twitch Inspector glossary
Think of bitrate as the stream’s data flow, not its picture size. If your upload connection cannot sustain the bitrate consistently, the stream may become unstable. The appropriate figure depends on the platform and the rest of your setup; there is no universal bitrate that suits every stream.
What is the difference between bitrate and resolution?
Resolution describes the dimensions of the picture; bitrate describes how much data is used to send it. Labels such as 720p and 1080p identify resolution classes. YouTube’s Live API documents inbound resolution values from 240p through 2160p, as well as automatic variable detection, but those documented values do not guarantee that every account, platform, or viewer supports every option. YouTube Live API
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Higher resolutions generally need more bitrate to preserve detail. A stream’s apparent quality also depends on frame rate, encoder and codec, the content itself, connection stability, and playback conditions. Increasing the resolution without enough bandwidth or encoding capacity can make the result worse rather than better. Twitch likewise cautions that higher resolution raises bitrate needs. Twitch Broadcasting Guidelines
What does 60 fps mean?
FPS means frames per second: how many individual pictures are sent each second. A higher frame rate can make movement look smoother, particularly in fast action, but it also requires more encoding power and can require more bitrate. Twitch says Full HD is typically 60 fps, while advising broadcasters to reduce frame rate if bandwidth or encoding power is insufficient. That is Twitch guidance, not a requirement for every platform or stream. Twitch Inspector glossary
Resolution and frame rate answer separate questions: resolution is picture detail; frame rate is motion smoothness. Choose according to what your content needs and what your connection and encoder can handle. A high frame rate is not automatically better if it makes the broadcast unstable.
What is an encoder, and what is a codec?
Encoder
An encoder is the software or device that prepares and sends your audio and video stream to a platform. In a beginner setup, streaming software often performs this job; a separate hardware appliance is not required by the definition. The encoder takes your source and applies the settings used to transmit it. Twitch Inspector glossary
Codec
A codec is the compression and decompression method used for audio or video. It describes how media is encoded for transmission and decoded for playback; it is not the streaming program itself. Twitch identifies AVC as H.264 and notes that streaming software often selects codec details automatically. Twitch Inspector glossary
What is a keyframe interval?
A keyframe interval describes the spacing between keyframes in the encoded video. Keyframes provide reference points that can help a video decoder reconstruct the picture. The setting can affect how a stream is handled by viewers’ devices, so do not assume a value that works for one platform is right everywhere. Twitch warns that changing its default can make some streams difficult to view on some devices. Check the current guidance and settings for the platform you use rather than applying a universal number. Twitch Inspector glossary
What is stream latency, and how is stream delay different?
Latency
Latency is the time between capturing a live moment and a viewer receiving it. Some delay is inherent in network transmission and processing. Lower latency can make live interaction feel more immediate, but the available choices depend on the platform and how the stream is delivered.
Stream delay
Stream delay is extra time deliberately added in streaming software. It is distinct from unavoidable network and processing latency. A creator might add it for a particular broadcast workflow, but it increases the lag viewers experience. Twitch Inspector glossary
Protocol trade-offs
An ingestion protocol is the method used to send a stream to a platform. YouTube’s comparison describes protocol differences in codec support, resolution suitability, security, and latency. It identifies HLS and DASH as higher-latency options that support advanced codecs and high-resolution streaming. That trade-off is specific to YouTube’s documented protocol choices, not a universal rule for every service. YouTube protocol comparison
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What is an ingest server or ingest address?
The ingest server is the platform endpoint that receives your outgoing broadcast. Your streaming software sends the stream there; it is the entry point into the platform’s system, not the viewer’s device. YouTube’s Live API exposes primary and backup ingest addresses, while Twitch describes its ingest server as the place a stream enters its network. YouTube Live API · Twitch Inspector glossary
What does transcoding mean?
Transcoding is platform-side conversion of an incoming stream into other output forms. YouTube says it transcodes live streams to produce formats for viewers using different devices and networks. This is separate from the creator’s encoder: the encoder prepares the stream you send, while transcoding happens after the platform receives it. The existence of transcoding does not mean every broadcast or account will offer every quality choice to every viewer. YouTube encoder guidance
How the terms fit together
A typical path is: an encoder compresses your audio and video using a codec, sends the stream at a chosen resolution, frame rate, and bitrate through an ingestion protocol to the platform’s ingest address, and the platform may transcode it before viewers receive it. Latency accumulates along that path; optional stream delay adds another intentional wait. Each setting addresses a different part of the workflow, so diagnose the actual constraint instead of treating one number as a complete measure of quality.
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- Motion smoothness: frame rate.
- Data sent per second: bitrate.
- Compression method: codec.
- Tool preparing and sending the stream: encoder.
- Platform entry point: ingest server or address.
- Platform conversion for different viewing conditions: transcoding.
- Time before the live moment reaches a viewer: latency, plus any deliberately added stream delay.
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