why does the snr caesar salad have 600 calories, dawg? 😭
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Demystifying Signal-to-Noise Ratio | Your Guide to Quieter, Clearer Audio
When you lose yourself in a favorite song or a blockbuster movie, two unsung heroes work behind the scenes: Signal-to-Noise Ratio (SNR) and Noise Performance. Let’s uncover how they shape what you hear.
What is SNR?
In technical terms, SNR is the ratio between the useful audio signal and the background noise in a sound system.
To put it simply, imagine being at a lively party—voices and chatter everywhere. Yet when the singer takes the stage, their voice cuts through the noise with crystal clarity. Here, the vocal is the signal, and the surrounding buzz is the noise. A high SNR means the signal stands out distinctly.
In audio equipment, high SNR acts like a dedicated noise-cleaner. It minimizes unwanted noises—think electrical hums or ambient buzz—delivering sound as pure as a mountain spring.
For instance, in a quiet studio, a high-SNR recorder acts as a noise-cancelling shield, capturing clean audio free from external interference. On the other hand, poor SNR can introduce low-frequency rumbles or hisses into recordings, degrading audio quality like a flaw in a precious gem.
Beyond SNR: A Holistic View of Noise Performance
SNR alone doesn’t tell the whole story. To fully evaluate a sound system’s noise control, we must also consider Total Harmonic Distortion (THD) and Intermodulation Distortion (IMD).
Think of it like judging an all-round athlete: one skill isn’t enough. Some audio systems boast high SNR but suffer from noticeable THD or IMD. When playing complex tracks—say, a grand symphony—the background may be quiet, but instruments can sound blurred or lose their tonal character due to distortion. The result? A cluttered, unsatisfying listening experience.
The Balance for Perfect Sound
Only when SNR, THD, and IMD are all optimized can a sound system deliver truly exceptional performance. Whether it’s the energy of rock or the delicacy of classical, every nuance shines through.
Choose wisely—because great sound is not just about loudness, but about clarity, purity, and fidelity.
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Signal and Noise: Evaluating Language Models Better
Evaluating **language models** (LLMs) presents a significant challenge in today’s rapidly evolving AI landscape. The remarkable advancements and massive datasets used to train these models often render traditional evaluation methods inadequate. A recent analysis from the Allen Institute for AI explores how two crucial metrics—signal and noise—can provide valuable insights into the effectiveness…
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So let me get this right.
When it’s a supernova remnant, it’s “perfectly shaped” because it’s so remarkably circular, all according to one set of doctors and so-called “physics"?
But when it’s me that’s the circular one, I’m apparently “morbidly obese” and going to die an early death of heart disease, this according to a different set of doctors and so-called “medicine”?
Sounds like these doctors need to get their stories straight. Or round, whichever.
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Progetto Selene, mini reattori italiani sulla Luna
Reattori nucleari italiani sulla Luna. Al via il progetto SELENE, una collaborazione tra ASI ed ENEA per sviluppare piccoli reattori nucleari che serviranno a dare una fonte di energia stabile ai futuri insediamenti umani sulla Luna
L'Agenzia Spaziale Italiana (ASI) e l'ENEA hanno avviato il progetto SELENE (Sistema Energetico Lunare con l’Energia Nucleare), mirato a sviluppare piccoli reattori nucleari a fissione per fornire energia elettrica stabile ai futuri insediamenti lunari.
Questo progetto, selezionato nel 2023 tra i vincitori di un bando dell'ASI per esperimenti scientifici lunari, coinvolge anche il Dipartimento di Energia del Politecnico di Milano e Thales Alenia Space Italia.
Perché il nucleare sulla Luna
Anche in vista di una permanenza stabile dell’umanità sulla Luna, l'iniziativa nasce dall'esigenza di superare le limitazioni delle attuali tecnologie energetiche basate sull'energia solare, che, a causa dell'alternanza di 14 giorni di luce e 14 di buio sulla Luna, non garantiscono un approvvigionamento energetico continuo.
Il Moon Energy Hub (MEnH), infrastruttura centrale del progetto, utilizzerà Surface Nuclear Reactors (SNR) per assicurare una fonte energetica affidabile per le attività lunari.
Questi tipi di reattori, pensati per operare sulla superficie di corpi celesti come la Luna o Marte, sono allo studio da diverso tempo.
Musk insiste: nel 2026 la prima Starship su Marte
Una proposta della NASA prevede un reattore alimentato con HALEU (High-Assay Low-Enriched Uranium), che ha per combustibile pellet di uranio nitrato arricchito al 20%, per ottenere una potenza termica di circa 250 kW al fine di fornire 40 kW elettrici per 10 anni. La temperatura operativa sarebbe di 700°C sul lato caldo e di 150°C sul lato freddo. La massa totale del sistema si attesterebbe sui 10.000 kg.
C’è anche la soluzione cinese del China Institute of Atomic Energy, che propone sempre 40 kW elettrici ottenuti da una potenza termica nominale di 210 kW. Il combustibile a pellet usato è il diossido di uranio arricchito al 90% in U-235.
Con una massa stimata di solo 3.172 kg, il reattore avrebbe una vita operativa di 8 anni.
La tabella di marcia del progetto SELENE
Il progetto SELENE, della durata di tre anni e che coinvolgerà quattro centri di ricerca ENEA: Frascati, Casaccia, Bologna e Brasimone, prevede lo sviluppo di tecnologie avanzate nei settori della sensoristica, dell'automazione e della trasmissione di potenza wireless.
Inoltre, si focalizzerà sulla progettazione dei sistemi di conversione e distribuzione dell'energia, nonché sugli aspetti legati al decommissioning e alla supply chain, con l'obiettivo di creare una roadmap per l'industrializzazione dell'infrastruttura.
Read the full article
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IT Snr Manager
Job title: IT Snr Manager
Company: Oracle
Job description: Job Description: ORACLE Cloud Infrastructure – Data Center Manager The last 5-10 years have seen the IT industry… and support cutting-edge Oracle technology in Cloud Data Centers requires an experienced manager who can thrive in a complex…
Expected salary:
Location: Maroc
Job date: Fri, 25 Oct 2024 07:40:35 GMT
Apply for the job now!
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Gardenscapes once more reminding me to remind you guys to fix your cats, even if they’re indoor cats, and donate to your local TNR/SNR programs.
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Alemanes investigan el remanente de supernova SNR G309.8+00.0 a altas energías
SNR G309.8+00.0 es un remanente de supernova que se encuentra exactamente en el plano galáctico y fue descubierto por primera vez en longitudes de onda de radio hace aproximadamente medio siglo.
Utilizando los observatorios espaciales Spektr-RG y Fermi, los astrónomos alemanes han estudiado el remanente de supernova SNR G309.8+00.0 en rayos X y rayos gamma. Los resultados del nuevo estudio, presentado el 25 de junio en el servidor de preimpresión arXiv, brindan información importante sobre las propiedades de este remanente de supernova.
Los remanentes de supernova (SNR) son estructuras…
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Frambuesa en el cielo: astrónomos descubren un nuevo candidato a remanente de supernova
Los remanentes de supernova (SNR) son estructuras difusas y en expansión resultantes de una explosión de supernova.
Astrónomos de la Universidad Western Sydney en Australia y de otros lugares informan de la detección de un nuevo candidato a remanente de supernova (SNR). El nuevo candidato SNR, apodado “Raspberry” debido a su morfología, fue identificado en el lado cercano del brazo Scutum-Centaurus de la Vía Láctea. Los hallazgos se detallaron en las Notas de investigación de la Sociedad Astronómica…
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Sh2-240 ‘Spaghetti Nebula’ (a Supernova Remnant), imaged from October 2023 to 16 Feb '24, from Tampere Finland.
Astrophoto by Jarkko Järvinen.
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2&3 BHK Apartments @ Gopanpally
SNR The Elite is the luxury Gated community Apartment project located at Gopanpally near the financial district of Hyderabad. The project covers a total land area of 6.4 acres with 8 Towers. All the towers have standard G+9 floors and wrap overall 680 luxury units of flats, know more: bit.ly/42ryYWg
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2&3 BHK Apartments @ Gopanpally
SNR The Elite is the luxury Gated community Apartment project located at Gopanpally near the financial district of Hyderabad. The project covers a total land area of 6.4 acres with 8 Towers. All the towers have standard G+9 floors and wrap overall 680 luxury units of flats, know more: bit.ly/42ryYWg
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2&3 BHK Apartments @ Gopanpally
SNR The Elite is the luxury Gated community Apartment project located at Gopanpally near the financial district of Hyderabad. The project covers a total land area of 6.4 acres with 8 Towers. All the towers have standard G+9 floors and wrap overall 680 luxury units of flats, know more: bit.ly/42ryYWg
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Это экономия денег на замене свинцовых аккумуляторов в ИБП!
Запускаем в массовое производство в России литий-железо-фосфатные батареи Neovolt для бесперебойников SNR (от газовых котлов до генератора энергии на дачи) — служат не менее 10 лет, даём расширенную гарантию 3 года!
🔋 Модель серии Neovolt PB-LFPA:
- Напряжение: 24 В;
- Ёмкость: 14 Ач;
- Химия: LiFePO4 (литий-железо-фосфатные);
- Срок службы: более 3000 циклов при ≥80% ёмкости
- Корпус: прочный пластик, герметичный, пыле- и влагозащищённый;
- Размер: 150 x 96 x 95 мм.
✅ Это полный аналог свинцово-кислотных аккумуляторов в ИБП производителя SNR, но с множеством преимуществ!
- отдают всю энергию, а не половину ёмкости;
- нет саморазряда (хранение без проблем);
- безопасен благодаря продвинутой BMS и защите;
- не требует обслуживания и контроля (доливки, нагрузочных вилок и так далее).
- идеально подходит для использования в ИБП для газовых котлов и другого оборудования с резервном питанием SNR;
- полная совместимость по разъёмам (FASTON, зажим 6,35 мм) и размерам (в SNR-INV-1000-SH и SNR-INV-2000-SH используется как внешний);
- изготавливается в России, не в Китае!
✍ Уже получили положительные отзывы от владельцев:
- SNR-UPS-LID-1500
- SNR-UPS-LID-1200
- SNR-UPS-LID-2000
- SNR-UPS-LID-400-LED
- SNR-UPS-LIRM-1000
- SNR-UPS-LIRM-1000-PS
- SNR-UPS-ONRM-1000-S24
- SNR-UPS-ONRM-1000-X24
- SNR-UPS-ONRM-1000-XL24
🔻Линейка аккумуляторов Neovolt PB-LFPA для замены свинцово-кислотных — лучший выбор для вашего ИБП!
🛒 Цена и описание аккумулятора на замену для ИБП SNR 24V 14Ah
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Look at the baby they baby sol’s so baby I would cradle solar and giver them so much love but if I did sol’d probably find a way to make my life miserable but also sol would give me a hug back
I’m sorry this is probably one of my favorite ocs I’ve ever made and I’ve had her for a little under ten years now
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2 & 3 BHK Premium Apartments for sale in Gopanpally - SNR The Elites
SNR The Elite is the luxury gated community apartment project located at Gopanpally near the financial district of Hyderabad. The project covers a total land area of 6.4 acres with 8 Towers. All the towers have standard G+9 floors and wrap overall 680 luxury units of flats. It has constructed by the renowned builder SNR & Girija which has several years of experience in the market. SNR The Elite has ultra-modern & futuristic amenities like a clubhouse, children’s play area swimming pool, and more. If you are looking for the right project at the right place with close proximity to everything within just a walk away then SNR The elite is the suitable project built for you. Know more…https://bit.ly/3LjsjoG
