| MP3s are good files to use for the uploading of your | | | | negligible. To an audio engineer, or someone who |
| audio discs. These compressed files are small in | | | | listens intently to music often, there will definitely be a |
| comparison to WAV files, thus making them ideal for | | | | significant/noticeable loss in quality. There is normally a |
| uploading, please note however the MP3s are ½ | | | | degradation in: |
| the sample rate of CD quality. The audio reproduced | | | | 1) the clarity of the upper frequencies and |
| from an MP3 file is difficult for the average ear to | | | | 2) the "punchy-ness" of the lower frequencies. |
| differentiate from the same audio played back from a | | | | Also, depending on the quality of the conversion, and |
| standard CD. The best reproduction is accomplished | | | | bit-rate and sample-rate used, sometimes a noticeable |
| by using WAV files. These files are generally 40 to 50 | | | | "phaser" effect is introduced. |
| MB in size each. Uploading 4 or 5 WAV files is quite | | | | The downside to working with. wav files is the |
| feasible. | | | | significant increase in file size. Uploading this type of a |
| There is a difference in quality between the two audio | | | | file will result in a much longer transfer time when |
| formats. The .mp3 format was designed for quicker | | | | uploading. |
| file transfers over the internet. It is lossy data | | | | The answer to the question, "Is there a difference |
| compression; meaning "insignificant" data is removed | | | | between the two formats?", is "yes". Is the difference |
| thereby decreasing the file size to approximately 1/7th | | | | noticeable? That depends on the listener and how |
| of the original file size. | | | | "good" their speakers and listening environment are. |
| To the common ear, the difference in audio quality is | | | | More tips about Mastering CD Duplication. |