PCABX/PCAVTech Test Data For Download

(If you wish to download these sample files from the following hyperlinks with your web browser,
you will probably have to right-click the hyperlink "Click To Download" icon
and select the "Save Target As" (Internet Explorer)'or
select the "Save Link As" (Netscape Navigator) option.)

Guitar24 Test Files

• 24 Bit Guitar24 Test File 
• 16 Bit Guitar24 Test File 
• 15 Bit Guitar24 Test File 
• 14 Bit Guitar24 Test File 
• 13 Bit Guitar24 Test File 
• 12 Bit Guitar24 Test File 
• 11 Bit Guitar24 Test File 
• 10 Bit Guitar24 Test File 
•   9 Bit Guitar24 Test File 
•   8 Bit Guitar24 Test File 

Controversial Question:

Listen to the files above starting with the 8 bit file, and working up to the 16 bit file. Which file sounds no different than the next lower resolution file? In other words, as the number of bits increases, where is the point of diminishing (or zero) returns?

Listening Challenge:

Try to match the files below with the files above, by ear!

• Guitar24 Test File "A" 
• Guitar24 Test File "B" 
• Guitar24 Test File "C" 
• Guitar24 Test File "D" 
• Guitar24 Test File "E" 

You can download programs that will help you compare how audio files sound from here.

Check your answers by downloading the key sheet here: . Or, use a file compare program (there's one in EAC and CDEX) to match up the files. Or, subtract them with your DAW software to find out which have zero differences.