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	MS20 Testimonial "In short, I love it. Extremely useful; wonderfully succinct -- I've been looking for a tool like this for 20 years." Phillip Sztenderowicz, Technical Department, Sterling Sound

Lindos Test CD1

This CD provides an accurate method for measuring the specifications of CD players. All tracks have been recorded at 15dB below digital full scale (FS) and this is referred to as the Alignment Level (AL) throughout the track listing below.

Each track has been dithered using TPDF (triangular probability density function) noise.

For more information on dither see "Quantization and Dither: A Theoretical Survey" Stanley Lipshitz, Robert Wannamaker, and John Vanderkooy published in the J. Audio Eng. Soc., Vol. 40, No. 5, 1992, pp. 355-375 (available from the AES).

Download TestCD1 (1.5Mb) (zipped mp3)
Download Inlay (2.3Mb PDF)

Track Listing

Nominal Level
Level 0dB AL, 20 secs, L+R

1 1 kHz, 0db AL

Noise Measurement
L+R, 20 secs

2 40 Hz, -40dB AL
3 40 Hz, -50dB AL
4 40 Hz, -60dB AL
5 100 Hz, -50dB AL
6 100 Hz, -40dB AL
7 100 Hz, -50dB AL
8 315 Hz, -40dB AL
9 Silence with dither
10 Silence without dither

Headroom and Linearity
1 kHz, 20 secs, L+R

11 0dB AL
12 +4dB AL
13 +8dB AL
14 +9dB AL
15 +10dB AL
16 +14dB AL
17 +15dB AL
18 -10dB AL
19 -20dB AL
20 -30dB AL
21 -40dB AL
22 -50dB AL
23 -60dB AL
24 -70dB AL
25 -80dB AL

Spot Frequencies
0dB AL, 20 secs, L+R

26 1 kHz
27 20 Hz
28 25 Hz
29 31.5 Hz
30 40 Hz
31 50 Hz
32 63 Hz
33 80 Hz
34 100 Hz
35 125 Hz
36 160 Hz
37 200 Hz
38 250 Hz
39 315 Hz
40 400 Hz
41 500 Hz
42 630 Hz
43 800 Hz
44 1 kHz
45 1.25 kHz
46 1.6 kHz
47 2 kHz
48 2.5 kHz
49 3.15 kHz
50 4 kHz
51 5 kHz
52 6.3 kHz
53 8 kHz
54 10 kHz
55 12.5 kHz
56 16 kHz
57 20 kHz

Crosstalk
0dB AL,20 secs

58 100 Hz L
59 1 kHz L
60 6.3 kHz L
61 10 kHz L
62 100 Hz R
63 1 kHz R
64 6.3 kHz R
65 10 kHz R

IM Distortion checks
0dB AL, L+R

66 0.8/1.195 kHz, IM TDF
67 8.0/11.95 kHz, IM TDF
68 100 Hz/5 kHz +0.3dB AL

Transient checks
0dB AL, 10 secs, L+R

69 1kHz square

Frequency Sweeps
0dB AL, 10 secs, L+R

70 10 Hz - 100 Hz
71 100 Hz - 1 kHz
72 1 kHz - 10 kHz
73 10 kHz - 20 kHz
74 10 Hz - 10 kHz, 30 secs

Exponential Decay to Noise
from 0dB AL, 20 secs, L+R

75 1kHz, 60 dB in 10s