Nine sound excerpts are used for testing at SoundExpert (PCM 44100 Stereo):
Samples (2,3,4,5,6,9) are from SQAM disk – the Audio CD issued by European Broadcasting Union (EBU) for sound quality evaluation purposes (Sound Quality Assessment Material, SQAM). The CD could be downloaded from EBU SQAM Page. Also you can find there Users' Handbook for the EBU SQAM CD with details of test signals.
Sample (1) is from CD: J.S. Bach, Oster-Oratorium (from track #1)
Composer: Johann Sebastian Bach
Sample (7) was included as an example of Lo-Fi analog tape recording. Initially it was a demo of indie-group "PostScriptum" on compact cassette. As 5 years passed all audio material from that cassette was digitized by means of conventional sound card. Thus the sample has all the typical drawbacks of home computer recordings made from old tapes – low resolution, heavy noise, drop-outs ...
Song: “You were here”
Original song in slightly different arrangement as well as other Lobo works can be downloaded from the author’s corner at RealMusic.ru (in russian).
Sample (8) is from CD: Mike Oldfield, Heaven's Open (from track #6)
Label: Disky Records