Sound Check Productions | 1993 | tracks | 70 minutes | 641 MB
Created by record producer Alan Parsons and designer Stephen Court, the SOUND CHECK CD contains 99 tracks of practical material compiled as result of careful research and investigation into the needs of studio engineers, audio technicians, serious audiophiles, record producers and musicians. The disc has been designed not only to help assess the technical performance of a wide range of sound recording and reproducing equipment, but also to offer the best available musical, vocal and effects sources for experimentation and demonstration.
The disc has been designed not only to help assess the technical performance of a wide range of sound recording and reproducing equipment, but also to offer the best available musical, vocal and effects sources for experimentation and demonstration.
PINK NOISE 1/3 OCTAVE SPECTRUM ANALYSIS:
This section is intended for loudspeaker frequency response analysis. System response can be plotted and graphic equalisers can be set by reading each band on The Sound Check Response Analyser (or a conventional sound level meter). Track 1 is the reference tone and lasts 30 seconds. All other tracks in this section are at the reference level and last 10 seconds.
PINK NOISE TEST TONES:
These tones are intended for equipment alignment and are especially designed for active speaker set-up. Track 33 is a 1kHz reference tone lasting 30 seconds. Monitoring equipment should be set to a useful working volume and measuring equipment set to read 0dB. All other tones in this section are at the reference level. Phase checks are on Index 2, where appropriate, in 5 second bursts.
SWEEP TONES:
These are intended for sweep response measurements and are especially useful for checking system resonances. Track 41 is the reference warble and lasts 20 seconds. The sweeps are in one octave sections down from 1kHz and in one octave sections up from 1kHz – for easier frequency identification.
SINE AND SQUARE WAVE SPOT FREQUENCIES
This section is for recording and reproduction equipment line-up, analysis and fault finding. The square wave spot frequencies are also useful for bandwidth assessment and loudspeaker phase and time alignment. Track 45 is the reference tone, lasting 10 seconds. All other tones in this section are 10 seconds. All sine waves are at the reference level, -14dB FS. The square waves are at -20dB FS.
VOCAL:
While the sonic complexity of music is widely recognised, the human voice is equally difficult to reproduce accurately and a voice recording that one is familiar with is a useful reference source. Before Sound Check came along, a good, unprocessed voice recording was very difficult to obtain, especially under test conditions. These 4 tracks provide that reference and start with Alan Parsons’ spoken voice. The rarely available dry, uncompressed voice of Luciano Pavarotti recorded live and Soprano Catherine Bott in a natural acoustic together with the dynamic voice of rock singer Steve Oveland complete this section of valuable reference recordings.
Rock and Pop engineers will find track 62 an ideal test source for limiters and compressors.
INSTRUMENTAL:
This section contains closely miked instrumental recordings without electronic processing such as limiting or compression. They contain subtle transients which define true high fidelity and which are often lost in the reverberation and processing of commercial records. These tracks are therefore invaluable for assessing the transient response and fidelity of audio equipment and for experimentation with effects units. These are original studio master recordings and in some cases intrument overspill may be heard.
MUSIC TRACKS:
Extracts from selected master recordings, specially selected to assess the various qualities of loudspeakers and sound equipment. Limelight, for example, has a very even frequency and dynamic balance throughout the audio spectrum and therefore is an ideal reference for overall sound quality. By contrast, Luv 4 Luv contains extremely high bass and sub sonic energy and is an ideal test for low frequency loudspeakers and their power amplifiers.
SOUND EFFECTS:
These sound effects provide extreme tests of dynamic and frequency range. The steam trains, the sub machine gun and the Chieftain tank are historical analogue recordings which have been digitally re-mastered.
UTILITY TRACKS:
A series of useful tools – a left/right channel ident; invaluable for multiple unit hook-ups, digital black for noise assessment, a tuning reference and timecode in all three standard formats for checking timecode-based equipment and striping code onto tapes.
Tracklist:
Pink Noise Bands
01. 1 kHz sine wave ref. – 14 db FS.
02. Pink noise L.
03. Pink noise R.
04. Pink noise L+R & phase check
05. Bass 0-220 Hz & phase check
06. Low mid 200 Hz – 1 kHz & phase check
07. High mid 1 kHz – (infinity) & phase check
08. HF 7 kHz – (infinity) & phase check
1/3 Octave Bands
09. 1 kHz ref. Tone
10. 20 Hz
11. 25 Hz
12. 31.5 Hz
13. 40 Hz
14. 50 Hz
15. 63 Hz
16. 80 Hz
17. 100 Hz
18. 125 Hz
19. 160 Hz
20. 200 Hz
21. 250 Hz
22. 315 Hz
23. 400 Hz
24. 500 Hz
25. 630 Hz
26. 800 Hz
27. 1 kHz
28. 1.25 kHz
29. 1.6 kHz
30. 2 kHz
31. 2.5 kHz
32. 3.15 kHz
33. 4 kHz
34. 5k Hz
35. 6.3 kHz
36. 8 kHz
37. 10 kHz
38. 12.5 kHz
39. 16 kHz
40. 20 kHz
Sweep Tones
41. 1 kHz ref. Warble for sweeps
42. 1 kHz – 500 Hz, 500 Hz – 250 Hz, 250 Hz – 125 Hz, 125 Hz – 20 Hz
43. 1 kHz – 4 kHz, 4 kHz – 8 kHz, 8 kHz – 20 kHz
Sine & Square Waves Spot Frequencies
44. 1 kHz ref. – 14 db FS.
45. 60 Hz
46. 100 Hz
47. 250 Hz
48. 500 Hz
49. 1 kHz
50. 2 kHz
51. 3 kHz
52. 5 kHz
53. 10 kHz
54. 12 kHz
55. 15 kHz
56. Sine wave sweep 20Hz-20kHz
57. 1 kHz square wave @-20 db
58. 5 kHz square wave @-20 db
Max. Level Tone
59. USE WITH CAUTION – 1 kHz sine wave at 0 db FS.
Instrumental And Vocal
60. Spoken word
61. Tenor opera
62. Soprano opera
61. Male Rock Vocal
61. Piano
62. Acoustic steel strung guitar finger style
63. Acoustic steel strung guitar strummed
64. Nylon strung Spanish guitar
65. Electric guitar – clean
66. Electric guitar – distorted
67. Bass guitar
68. Flute
69. Saxophone
70. Vocal
71. Bongos
72. Tambourine
73. Kick drum
74. Snare drum
75. Cymbals & hi-hat
76. Toms
77. Whole drum kit
78. Violins
79. Cellos and violas
Music Tracks
80. The Race by Yello
81. Limelight by The Alan Parsons Project
82. Seasons of our Lives by Graham de Wilde and Mitch Dalton
83. Bach’s Toccata and Fugue in D minor
Sound Effects
84. Sub. machine gun
85. Chieftain tank: firing
86. Thunderstorm
87. Steam trains
88. F-16 and Tornado jets flyby
Utility Tracks
89. EBU 25 frame Timecode 10:00:00 to 10:05:00
90. SMPTE non drop frame timecode 10:00:00 to 10:05:00.
91. SMPTE drop frame timecode 10:00:00 to 10:05:00.
92. A-440 tuning reference
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