{"id":7170941223092,"title":"Precision Test Signals","handle":"precision-test-signals","description":"\u003ch3\u003ePrecision Test Signals\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eEver wonder... -Whether you are losing sound clarity due to acoustic\nresonances? -How tone controls should be set for flat response? -Whether your\nsystem distorts sound at high volume levels? -If your stereo image is\nprecisely centered? This indispensable tool helps answer these, and many more\nquestions about your audio system's performance. Bring it with you to the\nstore to evaluate new gear! How it works: This CD contains precise, computer-\ncalculated audio signals. Each sample is as mathematically perfect as the CD\naudio format allows. Left and right signals are identical in amplitude and\nphase, allowing you to check channel balance and phasing. Precise sinusoids\ncheck frequency response over a range of 5 to 20,480 Hz. White noise exercises\nthe full spectrum uniformly. Precise square waves enable measurement of\ntransient and phase response. Pure and mixed sinusoids at maximum amplitude\nenable distortion and inter-modulation measurements. Signals announced for\neasy identification. most on dedicated tracks, easily looped. They are also\ndescribed by CD TEXT, for players that support this capability. Precise\nmeasurements require instruments. An inexpensive sound pressure level meter\ncan measure sound levels in your listening space. An inexpensive voltmeter can\nmeasure levels at speaker terminals, and other points in the signal chain. For\nmore sophistication, a precision microphone, oscilloscope, or spectrum\nanalyzer (or a PC capable of these functions) is useful. However, most\nimportant characteristics (like smooth frequency response and centering) can\nbe estimated by ear. For example, listen to the 20 - 20,480 Hz frequency sweep\n(1 second per octave, 10 seconds total,) and adjust your graphic equalizer so\nthere are no apparent peaks or drop-outs in volume. This will compensate for\nfrequency characteristics of both your equipment and listening environment.\n(Don't be too disappointed if your ears fail to respond at the extremes of\nthis range.)\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eEvaluate, calibrate, and adjust audio system performance\u003c\/li\u003e\n \u003cli\u003eEach digital audio sample computer calculated for maximum accuracy\u003c\/li\u003e\n \u003cli\u003e99 audio tracks, with announcements and CD TEXT\u003c\/li\u003e\n \u003cli\u003eMeasure frequency response, phase response, and distortion\u003c\/li\u003e\n \u003cli\u003eHow-To article included covers ear-only, PC, and instrument measurements\u003c\/li\u003e\n \u003c\/ul\u003e\n\n","published_at":"2022-06-27T20:38:15+10:00","created_at":"2022-06-27T20:38:19+10:00","vendor":"Contemporary Communications","type":"pH Test Strips","tags":["industrial"],"price":13600,"price_min":13600,"price_max":13600,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":41611493867700,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B002WKQ5CI","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Precision Test Signals","public_title":null,"options":["Default Title"],"price":13600,"weight":68,"compare_at_price":null,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/auspowers.com\/cdn\/shop\/products\/B002WKQ5CI.jpg?v=1656399226","\/\/auspowers.com\/cdn\/shop\/products\/81LH1gr-kGL.jpg?v=1656326299","\/\/auspowers.com\/cdn\/shop\/products\/81gbqE5of2L.jpg?v=1656326299"],"featured_image":"\/\/auspowers.com\/cdn\/shop\/products\/B002WKQ5CI.jpg?v=1656399226","options":["Title"],"media":[{"alt":"[Australia - AusPower] - Precision Test Signals ","id":26320518283444,"position":1,"preview_image":{"aspect_ratio":1.002,"height":499,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/products\/B002WKQ5CI.jpg?v=1656399226"},"aspect_ratio":1.002,"height":499,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/products\/B002WKQ5CI.jpg?v=1656399226","width":500},{"alt":"[Australia - AusPower] - Precision Test Signals ","id":26306863792308,"position":2,"preview_image":{"aspect_ratio":1.111,"height":1563,"width":1737,"src":"\/\/auspowers.com\/cdn\/shop\/products\/81LH1gr-kGL.jpg?v=1656326299"},"aspect_ratio":1.111,"height":1563,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/products\/81LH1gr-kGL.jpg?v=1656326299","width":1737},{"alt":"[Australia - AusPower] - Precision Test Signals ","id":26306863825076,"position":3,"preview_image":{"aspect_ratio":1.118,"height":1545,"width":1728,"src":"\/\/auspowers.com\/cdn\/shop\/products\/81gbqE5of2L.jpg?v=1656326299"},"aspect_ratio":1.118,"height":1545,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/products\/81gbqE5of2L.jpg?v=1656326299","width":1728}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePrecision Test Signals\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eEver wonder... -Whether you are losing sound clarity due to acoustic\nresonances? -How tone controls should be set for flat response? -Whether your\nsystem distorts sound at high volume levels? -If your stereo image is\nprecisely centered? This indispensable tool helps answer these, and many more\nquestions about your audio system's performance. Bring it with you to the\nstore to evaluate new gear! How it works: This CD contains precise, computer-\ncalculated audio signals. Each sample is as mathematically perfect as the CD\naudio format allows. Left and right signals are identical in amplitude and\nphase, allowing you to check channel balance and phasing. Precise sinusoids\ncheck frequency response over a range of 5 to 20,480 Hz. White noise exercises\nthe full spectrum uniformly. Precise square waves enable measurement of\ntransient and phase response. Pure and mixed sinusoids at maximum amplitude\nenable distortion and inter-modulation measurements. Signals announced for\neasy identification. most on dedicated tracks, easily looped. They are also\ndescribed by CD TEXT, for players that support this capability. Precise\nmeasurements require instruments. An inexpensive sound pressure level meter\ncan measure sound levels in your listening space. An inexpensive voltmeter can\nmeasure levels at speaker terminals, and other points in the signal chain. For\nmore sophistication, a precision microphone, oscilloscope, or spectrum\nanalyzer (or a PC capable of these functions) is useful. However, most\nimportant characteristics (like smooth frequency response and centering) can\nbe estimated by ear. For example, listen to the 20 - 20,480 Hz frequency sweep\n(1 second per octave, 10 seconds total,) and adjust your graphic equalizer so\nthere are no apparent peaks or drop-outs in volume. This will compensate for\nfrequency characteristics of both your equipment and listening environment.\n(Don't be too disappointed if your ears fail to respond at the extremes of\nthis range.)\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eEvaluate, calibrate, and adjust audio system performance\u003c\/li\u003e\n \u003cli\u003eEach digital audio sample computer calculated for maximum accuracy\u003c\/li\u003e\n \u003cli\u003e99 audio tracks, with announcements and CD TEXT\u003c\/li\u003e\n \u003cli\u003eMeasure frequency response, phase response, and distortion\u003c\/li\u003e\n \u003cli\u003eHow-To article included covers ear-only, PC, and instrument measurements\u003c\/li\u003e\n \u003c\/ul\u003e\n\n"}