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Bitrate: Simple Definition

Bitrate is the amount of data used per second in an audio or video file, measured in kilobits per second (kbps) or megabits per second (Mbps). Higher bitrate means better quality but larger file size.

Think of bitrate like water flow in a pipe. A higher bitrate is like a wider pipe - more data flows per second, resulting in better quality. A lower bitrate is a narrower pipe - less data, smaller files, but lower quality.

How Bitrate Affects Quality

For video, bitrate directly controls image quality. A 1080p video at 2Mbps will look noticeably worse than the same video at 8Mbps. YouTube recommends 8Mbps for 1080p60 uploads.

For audio, bitrate determines sound quality. MP3 at 128kbps is acceptable for casual listening. 320kbps is considered near-CD quality. FLAC (lossless) has variable bitrate of 700-1400kbps.

Examples of Bitrate