The AJA Data Rate Calculator is an essential tool for professionals working with high-bandwidth video and audio workflows, particularly those utilizing AJA's range of capture, playback, and conversion devices. This calculator helps you determine the necessary bandwidth for your specific video format, resolution, frame rate, and codec choices. Understanding data rates is crucial for ensuring smooth playback, preventing dropped frames, and configuring your storage and network infrastructure correctly.
Different video standards (like SDI or IP), resolutions (e.g., 1080p, 4K, 8K), frame rates (e.g., 23.98, 59.94, 120 fps), and compression levels (codecs such as ProRes, H.264, or uncompressed) all contribute to varying data rates. This calculator simplifies the process of estimating these requirements, allowing you to make informed decisions about your production pipeline.
function calculateDataRate() {
var resolutionWidth = parseFloat(document.getElementById("resolutionWidth").value);
var resolutionHeight = parseFloat(document.getElementById("resolutionHeight").value);
var frameRate = parseFloat(document.getElementById("frameRate").value);
var bitsPerPixel = parseFloat(document.getElementById("bitsPerPixel").value);
var compressionRatio = parseFloat(document.getElementById("compressionRatio").value);
var resultElement = document.getElementById("result");
resultElement.innerHTML = ""; // Clear previous results
if (isNaN(resolutionWidth) || isNaN(resolutionHeight) || isNaN(frameRate) || isNaN(bitsPerPixel) || isNaN(compressionRatio)) {
resultElement.innerHTML = "Please enter valid numbers for all fields.";
return;
}
if (compressionRatio <= 0) {
resultElement.innerHTML = "Compression ratio must be greater than 0.";
return;
}
// Calculation: (Width * Height * Frame Rate * Bits Per Pixel) / Compression Ratio
var rawDataRate = resolutionWidth * resolutionHeight * frameRate * bitsPerPixel;
var finalDataRate = rawDataRate / compressionRatio;
// Convert to more readable units (Mbps, Gbps)
var dataRateMbps = finalDataRate / 1000000;
var dataRateGbps = finalDataRate / 1000000000;
var outputHTML = "