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Home >> Blog >> Why You Should Use H264 Compression
Why You Should Use H264 Compression
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Posted: 2010-1-7
Posted By: John Gage
Understanding File Compression
Compression is a method of taking a video or audio file and making it a smaller filesize. Often times the quality is the same and you can't even tell a difference. A good example is digital music. Music on a normal store-bought CD is uncompressed. You can only fit 20 or so uncompressed songs on a CD. Often times, these files are ripped to MP3 format on a computer. MP3 is a compressed audio format. MP3s basically takes out audio the human ear can't hear from the song. This results in songs being a much smaller filesize, often 1/6 or 1/7 of the filesize. A CD full of MP3s can fit around 140-150 songs on it but a store bough uncompressed CD can fit around 20. This is because of compression.Compression Images and Videos
A more fitting example is compressing an image. There are different formats of images. Two of the most common uncompressed image file formats is TIFF and BMP. These are uncompressed file formats because the file stores the exact color pixel of each and every pixel in the picture. This results in high quality high filesize images.One of the most common compressed image files is JPEG (JPG). JPG works by not storing every single color of every single pixel. Think of a picture of a blue sky. There are many pixels that are the same color all in a row or group. A JPG might say make this pixel and 25 more next to it blue. This is much less to store than every single pixel being blue. Image software allows you to compress it more or less depending on your needs. Using less compression will result in a higher quality picture as well as a higher filesize. Using more compression will result in a lower quality picture but also a lower filesize.
Why H.264 Compression is Better
Now that you have an idea about compression and how it works, you should know that there are many different kinds of compression. It is a highly competitive market with new compression algorithms happening all of the time. Some work better than others. People are always trying to come up with a better compression method so they can reduce the filesize without affecting quality.DVR cards and embedded DVRs almost always use compression. This is to allow more storage (more days worth of footage) on a given system. Who wouldn't want a month of storage instead of a week?
H.264 is the Best Compression On The Market
H.264 compression is the state of the art video compression being used right now. It allows you smaller filesizes without affecting image quality. H.264 is the compression method used on our DVR cards and embedded DVRs. These allow you to store many days and weeks of video in a smaller hard drive than before.H.264 compression is cutting edge. It was developed a few years ago for many reasons, the most important reason being the same reason anything is compressed - to have high quality video take up less space.
We Use H.264 On Our DVR Cards and Embedded DVRs
At Advance Security, we make it a priority to make sure that you are getting the best bang for you buck. We make sure that you get state of the art cutting edge technology and not yesterday's new.Visit our H.264 Products by clicking the links below
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