Compare wav with mp3

Compare wav with mp3 “A formal report on the practicable observations of recording and editing an audio file” Requirement for the assignment The task is to record Audio and convert to a compressed format. Compare the original file with the compressed files. Make some observations and evidence of those observations. ● Record in WAV format ● Compress in mp3 ● Compare using your ears – write comments ● Use Audacity to generate a frequency chart of Before and after compression – screen grab And comment about your observations In Audacity once the audio file has been loaded Select in the drop down menu Analyze>Plot Spectrum And the graphic of the plot will open. Adobe Audition can also be used ● once the audio file has been loaded select in The drop down menu Window>Frequency Analysis The plot window will open, from here you can Copy the data to the clipboard and from there Paste into Excel. Click here to copy the data to the clipboard Open Excel and past the data from the clipboard “Next page please..” Audacity Data 1. Once the file has been exported as a .txt file. 2. Open in a text editor e.g Notepad Windows and TextEdit Mac select all and copy. 3. Open Excel and paste the data. 4. As your comparing two sets of data before and after compression, repeat 1 to 3. 5. In Excel create a graph of the changes in amplitude against frequency again before and After compression. “Next page please..” Include the data as evidence in the paperwork ● Write some more about why this may be Happening – probably in terms of what the mp3 Does to the audio. ● explain some possible reasons for the observed for example loss /shift and amplitude of frequencies. ● Present the information in a report type format. PLACE THIS ORDER OR A SIMILAR ORDER WITH US TODAY AND GET AN AMAZING DISCOUNT :)