Mini-Disc – Test Discs Standards

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Minidisc Test Recording – Signal Standards
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All tracks SP mode 44.1/16 Stereo
Stereo Source recorded in Stereo 80 degree phase shift
3 min 00 sec

Square Timing codes on magnetic tape
01 100 Hz Square 0 Vu 50% Duty
02 1 kHz Square 0 Vu
03 10 kHz Square 0 Vu

Level
04 100 Hz Sine 0 Vu 2.0 Vrms
05 1 kHz Sine 0 Vu
06 10 kHz Sine 0 Vu

Timing and wow and flutter
07 440 Hz Sine 0 Vu
08 3 kHz Sine 0 Vu
09 3.150 kHz Sine 0 Vu

Signal to Noise Ratio and THD measurement
Mono source recorded in Stereo in phase
3 min 30 sec
10 1 kHz -5 db 1.4 Vrms
11 1 kHz -10 db 1.06
12 1 kHz -20 db 0.61 Vrms
13 1 kHz -30 db 0.417 Vrms
14 1 kHz -40 db 0.314 Vrms
15 1 kHz -50 db 0.163 Vrms
16 1 kHz -60 db 0.106 Vrms
17 1 kHz -70 db 0.07 Vrms
18 1 kHz -80 db 0.035 Vrms
19 1 kHz -90 db 0.025 Vrms
20 1 kHz -100 db 0.012 Vrms

21 White Noise 0 dbfs
22 White Noise -20 dbfs

note:Tascam 350 Playback at 0Vu is 2.0 V AC RMS. The following table is reduction out at verious values below 0 Vu Calibration was done with computer output thru HP Attenuator into record Measured with Hantek DSO

0 – 2.0 V RMS
-1 – 1.92
-2 – 1.81
-3 – 1.68
-4 – 1.6
-5 – 1.48
-6 – 1.39
-7 – 1.32
-8 – 1.21
-9 – 1.18
-10 – 1.07
-20 – 0.640
-30 – 0.417
-40 – 0.314
-50 – 0.163
-60 – 0.108
-70 – 0.072
-80 – 0.035
-90 – 0.025
-100 – 0.015

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Library

Disc labeled with Sonic Stage

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Disc Labels per spec [see label format]

Recorded with
Computer

Rev 2.0 Added track 21 and 22 for use with cassette machines