أمانة بالغة

الأمانة البالغة^[1] أو الأمانة العالية^[2] أو أمانة نقل عالية^[3] (غالبًا ما تُختصر إلى Hi-Fi أو HiFi، هذا الاختصار من الإنجليزية: High fidelity) هي إعادة إنتاج الصوت عالي الجودة.^[4] تحظى بشعبية كبيرة بين عشاق الصوت البالغ الأمانة ^{[الإنجليزية]} وعشاق الصوت المنزلي ^{[الإنجليزية]}. من الناحية المثالية، تحتوي المعدات بالغة الأمانة على ضجيج وتشوه غير مسموع، واستجابة ترددية ^{[الإنجليزية]} مستوية (محايدة وغير ملونة) ضمن نطاق السمع البشري.^[5]

تتناقض الدقة العالية مع الصوت المنخفض الأمانة (lo-fi) الذي تنتجه معدات صوتية غير مكلفة، أو البث الإذاعي بتضمين السعة (Radio AM)، أو الجودة الرديئة لإعادة إنتاج الصوت التي يمكن سماعها في التسجيلات التي أُجريت حتى أواخر الأربعينيات.

المراجع

^ منير البعلبكي؛ رمزي البعلبكي (2008). المورد الحديث: قاموس إنكليزي عربي (بالعربية والإنجليزية) (ط. 1). بيروت: دار العلم للملايين. ص. 542. ISBN:978-9953-63-541-5. OCLC:405515532. OL:50197876M. QID:Q112315598.
^ محمد مصطفى بدوي (2003). عمر الأيوبي؛ هشام سخنيني؛ محمد حسان ملص؛ أحمد زهوة (المحررون). قاموس أكسفورد المحيط: إنكليزي عربي (بالعربية والإنجليزية). مراجعة: محمد الدبس (ط. 1). بيروت: أكاديميا إنترناشيونال. ص. 491. ISBN:978-9953-30-050-4. OCLC:787483504. OL:13208836M. QID:Q117863104.
^ أحمد شفيق الخطيب (2018). معجم المصطلحات العلمية والفنية والهندسية الجديد: إنجليزي - عربي موضح بالرسوم (بالعربية والإنجليزية) (ط. 1). بيروت: مكتبة لبنان ناشرون. ص. 370. ISBN:978-9953-33-197-3. OCLC:1043304467. OL:19871709M. QID:Q12244028.
^ Hartley, H. A. (1958). "High fidelity". Audio Design Handbook (PDF) (بالإنجليزية). New York, New York: Gernsback Library. p. 7, 200. مكتبة الكونغرس Catalog Card No. 57-9007. Archived from the original (PDF) on 2009-01-27. Retrieved 2009-08-08. I invented the phrase 'high fidelity' in 1927 to denote a type of sound reproduction that might be taken rather seriously by a music lover. In those days the average radio or phonograph equipment sounded pretty horrible but, as I was really interested in music, it occurred to me that something might be done about it.
^ "Frequency Response". Hi-FiWorld.co.uk. مؤرشف من الأصل في 2023-04-05.

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