5 1 surround sound test disc reference cd dts new _ ebay
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10/9/2015 5 1 Surround Sound Test Disc Reference CD DTS New | eBay
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5.1 Surround Sound Test Disc & REFERENCE CD (DTS) NEW
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Lasertrak CD2500 Surround Test CD (DTS) Check 5.1 & 7.1 Surround Systems
CLICK HERE TO SAVE MORE!!! GET THE 5DISC SET!
Like the famous Lasertrak CD2000, but for Surround Sound, Lasertrak CD2500 is a nononsense Surround Sound Testing CD designed specifically for testing 5.1surround systems and also used for testing 7.1 surround. (NOTE: THERE REALLY IS NO 7.1 PROGRAM MATERIAL. 7.1 MEANS THAT THE PROCESSORCONVERTS 5.1 MATERIAL TO 7.1 BY SYNTHESIZING EXTRA CHANNELS.) Now you can take the guesswork out of DTS surround system setup, calibration andtesting with the Lasertrak CD2500 Surround Test CD by Mediamaster. The Fulllength, program couples surround audio test signals, surround audio setups and usefuldiagnostics in a concise way. The Lasertrak CD2500 Surround Test CD is sure to be a favorite for achieving "sonic certainty" in Theaters, studios, home theaters, andfield tour surround systems.
How is this CD different from standard digital audio CDs?. First, Lasertrak CD2500 must be played in a CD player with a digital output. Second, the CD player must bedecoded using a surround receiver/decoder equipped with DTS decoding circuitry. Third, the tests are encoded for 6 discrete channels (Front Left, Center, Front Right,Surround Rear Left, Surround Rear Right and an independent SubWoofer). The CD is engineered to verify correct decoding of Surround Receivers. (Note: Your systemmust decode DTS surround for this CD to play correctly.
Tracks Included:
NOTE CONCERNING SUBWOOFER TESTS Tests involving the subwoofer may not be intelligible. This is due to the fact that most subwoofers are designed to reproduce only the lowest of frequencies. Because of this, you may only hear rumble during the announcers text. This is normal. However, youwill hear the announcers text on the sublow frequency test (Track 42) as it will be reproduced by the otherspeakers in the system. The sublow tone of 30 Hz will be produced only by the subwoofer. Finally, thelevel set using 1 kHz test tone may not be heard on subwoofer. This is normal.
1. Innermost Edge of the playable tracking area. This track indicates the very edge (center) of thedisc. Its' purpose is to verify the laser pickup can play from the innermost edge of the disc. If you hearthe words "This is the innermost edge of the playable tracking area." It means that your player is trackingcorrectly at the extreme inner edge of the disc.
2. Introduction to Lasertrak CD2500 Encoded Compact Disc This DTS CD includes standardizedaudio level sets engineered to help you test, tune, tweak and otherwise verify optimal performance of your DTS 5.1 surround audio system. Using a unique combination of audio setups, digital test signalsand audio spectrum noise and tone bursts, Lasertrak CD2500 steps you through the process of setupand troubleshooting DTS audio. Use this CD whenever you need to verify your system connections, levelsets or reponse.
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10/9/2015 5 1 Surround Sound Test Disc Reference CD DTS New | eBay
http://www.ebay.com/itm/51SurroundSoundTestDiscREFERENCECDDTSNEW/111625108225?_trksid=p2047675.c100009.m1982&_trkparms=aid%3D777000%26algo%3DABA.MBE%26ao%3D1%26as… 2/4
sets or reponse.
3. Listening Level Setup 1 kHz at 0 V.U. Reference Level (14 dB below digital peak) Beforebeginning the testing, you'll need to set a listening level for your system. Set your volume control to acomfortable monitoring position.
4. Channel Check Testing Introduction Tracks 5 thru 10 may be used to veriify correct interconnectsbetween your DTS output device and speakers. Listen carefully as the announcer identifies eachchannel. Use each check to make sure you hear the correct channel identification coming from thespeaker producing sound. This test will help you verify correct channel connections. It is at this pointyou should make the necessary changes to correct any interconnect descripencies.
5. Channel Check Front Left Channel You should hear the announcer through the FRONT LEFTLOUDSPEAKER ONLY
6. Channel Check Center Channel You should hear the announcer through the CENTERLOUDSPEAKER ONLY
7. Channel Check Front Right Channel You should hear the announcer through the FRONTRIGHTLOUDSPEAKER ONLY
8. Channel Check Surround Left Channel You should hear the announcer through the REAR/SURROUND LEFT LOUDSPEAKER ONLY
9. Channel Check Surround Right Channel You should hear the announcer through the REAR/SURROUND RIGHT LOUDSPEAKER ONLY
10. Channel Check SubWoofer Low Frequency Channel You should hear the announcer throughthe SUBWOOFER ONLY
11. Balance Test Front Channel Introduction This is a "stereo" balance test of the front left andright speakers ONLY. The center channel is muted. Use this test to verify stereo balance between thefront left and right speaker. Stand approximately 5 feet from the speakers. Position yourself so as tohave an equal distance between your left ear and left speaker and right ear and right speaker. If yourstereo balance is correct, the sound should be perceived as coming from "dead" center between the leftand right loudspeakers.
12 Balance Test Front Channel Front Channel Balance Check The announcer's voice shouldsound perfectly centered between the left and right front channel loudspeakers.
13. Balance Test Rear Channel Introduction This is a "stereo" balance test of the surround (rear)left and right speakers ONLY. Use this test to verify stereo balance between the surround (rear) left andright speakers. Stand approximately 5 feet from the speakers. Position yourself facing the frontchannels so that the sound is coming from behind you. You should have an equal distance between yourleft ear and left surround speaker and right ear and right surround speaker. If your surround stereobalance is correct, the sound should be perceived as coming from "dead" center directly behind yourhead.
14 . Balance Test Rear Channel Left and Right Rear Surround Speakers Only.The announcer's voice should sound perfectly centered, behind you, between both rear/surroundloudspeakers.
15. Level Set Introduction Tracks 16 21 may be used to set precise levels for each speaker. Eachsine wave tone is recorded at 14dB below digital peak. For this test, a sound pressure level meter orother level reading device may be used to verify individual channel output. The key here is to takeconsistent measurements so as to accurately define the level being reproduced by each speaker. Thetechnique for taking readings is not as important as being consistent with each reading.For example: If one places a spl meter facing a speaker at a distance of let's say 2 feet, be sure that eachspeaker is also tested using the same setup.
16. Level Set Front Left Channel 1 kHz at 14dB Below Digital Peak 0 V.U. Reference17. Level Set Center Channel 1 kHz at 14dB Below Digital Peak 0 V.U. Reference18. Level Set Front Right Channel 1 kHz at 14dB Below Digital Peak 0 V.U. Reference19. Level Set Surround Left Channel 1 kHz at 14dB Below Digital Peak 0 V.U. Reference20. Level Set Surround Right Channel 1 kHz at 14dB Below Digital Peak 0 V.U. Reference21. Level Set SubWoofer Channel 1 kHz at 14dB Below Digital Peak 0 V.U. Reference(This tone may not be audible, but is provided as a means of testing precrossover level on forthose who are able to measure this way.)
22. Phase Testing Phase tests will help determine the stereo phase condition of your front andsurround DTS left and right speaker pairs. Phase problems can have a dramatic affect on the DTSsurround listening experience. Simple mistakes in wiring may cause phase reverse, resulting in phasecancellation, and abnormal frequency response. Listen carefully as the announcer demonstrates phaseconditions both in and out of phase. Notice that the 180 DEGREE OUT OF PHASE signal sounds hollowand nondirection, while the IN PHASE SIGNAL sounds centered and directional with normal frequencyresponse. Also, if an OUT OF PHASE signal is played monophonically, the sum of the left and rightchannels will cancel each other out, thus presenting no audible signal.
23. Front Left and Right Channel Phase Test In Phase
24. Front Left and Right Channel Phase Test 180 Out of phase
25. Rear Surround Left and Right Channel Phase Test In Phase
26. Rear Surround Left and Right Channel Phase Test 180 Out of Phase
27. Standard Level Sets Intro28. Standard Level Sets 400 Hz29. Standard Level Sets 1kHz (1000 Hz)
30. High Frequency Test Tests 31 thru 35 may be used to determine the high frequency ( treble) reproduce characteristics for each speaker in your system. Listen for any distortions. By listening to thepure sine wave determine whether or not you hear distortion or no sound at all. A measuring device suchas a realtime analyzer, spl meter or amplitude metering device may be useful for this test.
31. High Frequency Test Front Left Channel 10 kHz at 10dB Below Operating Level32. High Frequency Test Center Channel 10 kHz at 10dB Below Operating Level33. High Frequency Test Front Right Channel 10 kHz at 10dB Below Operating Level
10/9/2015 5 1 Surround Sound Test Disc Reference CD DTS New | eBay
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33. High Frequency Test Front Right Channel 10 kHz at 10dB Below Operating Level34. High Frequency Test Surround Left Channel 10 kHz at 10dB Below Operating Level35. High Frequency Test Surround Right Channel 10 kHz at 10dB Below Operating Level
36. Low Frequency Test Introduction The following tests are used to determine the low frequency orbass reproduce charateristics of each speaker in your system. Listen for any distortions.37. Low Frequency Test Front Left Channel 100 Hz at 10dB Below Operating Level38. Low Frequency Test Center Channel 100 Hz at 10dB Below Operating Level39. Low Frequency Test Front Right Channel 100 Hz at 10dB Below Operating Level40. Low Frequency Test Surround Left Channel 100 Hz at 10dB Below Operating Level41. Low Frequency Test Surround Right Channel 100 Hz at 10dB Below Operating Level42. SubLow Frequency Test Subwoofer 30 Hz at 10dB Below Operating Level
43. Rattle/Vibration Diagnostic Using a slow sine wave frequency sweep, this test is used as a meansof pinpointing harmonic vibrations in your listening enviroment. Use it to find and dampen objects suchas vibrating and rattling windows, furniture, shelving, flooring, light fixtures and other objects prone to rattleat specific frequencies. Performing this test can greatly improve your DTS listening experience.
44. Frequency Sweep Rattle/Vibration Diagnostic 20,000 Hz Sweep to 15 Hz45. Frequency Sweep Rattle/Vibration Diagnostic 15 Hz Sweep to 20,000 Hz
46. Standard Test Tones Introduction The following are Sine wave test tones. They are useful infurther system evaluations. Each is recorded at 10 dB below operating level. The tones are configured toplay through all 6 speakers simultaneously. To test the speakers individually, simply disconnect thespeakers you do not want to hear.
47. 10 Hz at 10 dB below Operating level48. 20 Hz at 10 dB below operating level49. 40 Hz at 10 dB below operating level50. 60 Hz at 10 dB below operating level51. 80 Hz at 10 dB below operating level52. 100 Hz at 10 dB below operating level53. 200 Hz at 10 dB below operating level54. 400 Hz at 10 dB below operating level55. 600 Hz at 10 dB below operating level56. 800 Hz at 10 dB below operating level57. 1000 Hz at 10 dB below operating level58. 2000 Hz at 10 dB below operating level59. 3000 Hz at 10 dB below operating level60. 4000 Hz at 10 dB below operating level61. 5000 Hz at 10 dB below operating level62. 6000 Hz at 10 dB below operating level63. 7000 Hz at 10 dB below operating level64. 8000 Hz at 10 dB below operating level65. 9000 Hz at 10 dB below operating level66. 10000 Hz at 10 dB below operating level67. 11000 Hz at 10 dB below operating level68. 12000 Hz at 10 dB below operating level69. 13000 Hz at 10 dB below operating level70. 14000 Hz at 10 dB below operating level71. 15000 Hz at 10 dB below operating level72. 16000 Hz at 10 dB below operating level73. 17000 Hz at 10 dB below operating level74. 18000 Hz at 10 dB below operating level75. 19000 Hz at 10 dB below operating level76. 20000 Hz at 10 dB below operating level
77. Octave Burst Intro78. Octave Burst 31.25 Hz, 62.5 Hz, 125 Hz,250 Hz,500 Hz, 1kHz, 2kHz, 4kHz, 8kHz,16kHz
79. Pink Noise Intro 80. Pink Noise Cycles Through each channel.
81 Digital Silence Introduction Track 82 is five minutes of absolute digital silence. Although the CD will continue to play you shouldhear no sound. Use this track to determine whether or not noise such as hum or buzz is being producedby your system during play. If you hear any signal coming from any of your speakers during this test you'llknow it's not being cause by the CD.
82. Digital Silence Track
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10/9/2015 5 1 Surround Sound Test Disc Reference CD DTS New | eBay
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