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In order to create an ECHO, the sound source must be walled-in by a physical enclosure. We all know this from experience. It's basic acoustics. Why then...does THUNDER produce such a strong, crisp echo, identical to when you produce a loud sound underneath a dome? 🤔

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₿en Wehrman

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16,388 görüntüleme • 4 ay önce •via X (Twitter)

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🇮🇷 An Engineering Masterpiece from 1611: Architecture and Science in Perfect Harmony. The Shah Mosque in Isfahan is famous for its incredible acoustics. Designed by Ali Akbar Isfahani, the central dome causes sound to echo 7 times, allowing a whisper to be heard across the entire hall. ©️ Video by Jo Gordon
2:14

🇮🇷 An Engineering Masterpiece from 1611: Architecture and Science in Perfect Harmony. The Shah Mosque in Isfahan is famous for its incredible acoustics. Designed by Ali Akbar Isfahani, the central dome causes sound to echo 7 times, allowing a whisper to be heard across the entire hall. ©️ Video by Jo Gordon

WANA Visuals

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The acoustics are pretty amazing. They cranked up AC/DC Hells Bells. Loud. Very clear. Hardly any echo from this spot in end zone near field-level. Can just think about what a game day will sound like. 🔉⬆️
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The acoustics are pretty amazing. They cranked up AC/DC Hells Bells. Loud. Very clear. Hardly any echo from this spot in end zone near field-level. Can just think about what a game day will sound like. 🔉⬆️

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A former producer for Diddy shares his experience working in both secular and gospel music. He explains that music is more than just sound—it's spiritual The altar you are connected to determines the type of sound you produce
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A former producer for Diddy shares his experience working in both secular and gospel music. He explains that music is more than just sound—it's spiritual The altar you are connected to determines the type of sound you produce

DON “Tobechukwu” Ade 👑

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Why ARC Raiders sounds so damn GOOD? ❌ Use stock sound libraries ✅ Capture raw authentic live recordings The team took live weapons to an abandoned factory on the outskirts of Stockholm. They perfectly mimicked the acoustic echo of a dense city. And when they combined them with dynamic in-game acoustics: The result is that incredibly realistic, booming echo when a firefight breaks out across the map in ARC Raiders and The Finals 👇
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Why ARC Raiders sounds so damn GOOD? ❌ Use stock sound libraries ✅ Capture raw authentic live recordings The team took live weapons to an abandoned factory on the outskirts of Stockholm. They perfectly mimicked the acoustic echo of a dense city. And when they combined them with dynamic in-game acoustics: The result is that incredibly realistic, booming echo when a firefight breaks out across the map in ARC Raiders and The Finals 👇

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The study, conducted by music experts led by Dr. Rachael Durkin at Northumbria University, applied the principles of organology and acoustics to determine that mayonnaise can produce or modify sound in a controlled and intentional way. When used purposely to create sound, mayonnaise meets the criteria to be treated as an instrument rather than just a condiment. Researchers found that whether in a jar, a squeeze bottle, or alone, mayonnaise’s acoustic properties are measurable and reproducible, and the intentional action of a player generating sound with it is what grants it musical status. The concept originated as a meme from the SpongeBob SquarePants cartoon, and Hellmann’s collaborated with creator Andy Arthur Smith to compose a track made entirely from mayonnaise generated sounds, turning a playful idea into an evidence based musical experiment.
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The study, conducted by music experts led by Dr. Rachael Durkin at Northumbria University, applied the principles of organology and acoustics to determine that mayonnaise can produce or modify sound in a controlled and intentional way. When used purposely to create sound, mayonnaise meets the criteria to be treated as an instrument rather than just a condiment. Researchers found that whether in a jar, a squeeze bottle, or alone, mayonnaise’s acoustic properties are measurable and reproducible, and the intentional action of a player generating sound with it is what grants it musical status. The concept originated as a meme from the SpongeBob SquarePants cartoon, and Hellmann’s collaborated with creator Andy Arthur Smith to compose a track made entirely from mayonnaise generated sounds, turning a playful idea into an evidence based musical experiment.

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“In an echo chamber, the only way to sound smart is conviction. If you act humble, you sound wishy-washy.” @WaitButWhy’s Tim Urban contrasts tribal thinking with true intellectual cultures, where disagreement is a feature, not a threat.
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“In an echo chamber, the only way to sound smart is conviction. If you act humble, you sound wishy-washy.” @WaitButWhy’s Tim Urban contrasts tribal thinking with true intellectual cultures, where disagreement is a feature, not a threat.

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Rep. Johnson: If you have to produce a passport in order to register to vote, we have tens of millions of people in this country that don't have access to passports. Are we going to then waive the passport fee of $150 so it's not an unreasonable poll tax?
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Rep. Johnson: If you have to produce a passport in order to register to vote, we have tens of millions of people in this country that don't have access to passports. Are we going to then waive the passport fee of $150 so it's not an unreasonable poll tax?

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In this clip, musician Armin Küpper plays his saxophone near a giant pipeline in a construction area. What you hear after each note is an echo, a sound wave reflecting off the far end of the pipe and traveling back to him.
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In this clip, musician Armin Küpper plays his saxophone near a giant pipeline in a construction area. What you hear after each note is an echo, a sound wave reflecting off the far end of the pipe and traveling back to him.

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You gotta sound like this in order to be a good rapper according to NY niggas…
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Beetle RSI Any time an automaker puts an engine in a car purely for the sound, you already know it's going to be good.
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In Cowork, you give Claude access to a folder on your computer. Claude can then read, edit, or create files in that folder. Try it to create a spreadsheet from a pile of screenshots, or produce a first draft from scattered notes.
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In Cowork, you give Claude access to a folder on your computer. Claude can then read, edit, or create files in that folder. Try it to create a spreadsheet from a pile of screenshots, or produce a first draft from scattered notes.

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We are back with yet another intriguing case from our extensive echo archives!🤓 Are you familiar with the 'RAC sign' in echo?🤔 If not, this is a sign for you to read up on it this weekend!🧐 #echofirst #Cardiology #CardioTwitter #FOAMed
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We are back with yet another intriguing case from our extensive echo archives!🤓 Are you familiar with the 'RAC sign' in echo?🤔 If not, this is a sign for you to read up on it this weekend!🧐 #echofirst #Cardiology #CardioTwitter #FOAMed

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Let me also say this, and very collectively. Nigeria is a member of OPEC because, I hear you say all the time, we're an oil-producing country; we produce oil. Why should we be selling oil at a particular price... We're a member of OPEC. The moment you sign OPEC treaty, you must comply with the rules and regulations as to how much you can sell a litre of your oil and how much you can produce a day; even if you produce 10 billion, it's 2.1 million you are allowed to take to the market and 300,000 barrels per day for domestic consumption. -Sen. Jimoh Ibrahim #PoliticsToday
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Let me also say this, and very collectively. Nigeria is a member of OPEC because, I hear you say all the time, we're an oil-producing country; we produce oil. Why should we be selling oil at a particular price... We're a member of OPEC. The moment you sign OPEC treaty, you must comply with the rules and regulations as to how much you can sell a litre of your oil and how much you can produce a day; even if you produce 10 billion, it's 2.1 million you are allowed to take to the market and 300,000 barrels per day for domestic consumption. -Sen. Jimoh Ibrahim #PoliticsToday

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This man enjoys a once in a lifetime experience when a couple of elk come to the river to drink (sound on)
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This man enjoys a once in a lifetime experience when a couple of elk come to the river to drink (sound on)

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The science behind the incredible 'Acoustics' of ancient amphitheaters : Ancient amphitheaters have long been used as venues for large concerts and events, but how did ancient architects achieve such superb acoustics without today's modern audio equipment and acoustical treatment? In last few decades have seen modern acoustic science employ acoustic simulation software and sophisticated computer models of such open amphitheaters, even though these spaces are known solely from archaeological records and hence virtually reconstructed as acoustic models. Often such computer models are complemented by in situ measurements in some well-preserved ancient theaters using more flexible portable equipment. Recent measurements with audience present show that such near-perfect intelligibility is retained beside increased sound absorption by audience, provided that background noise levels are not excessive. Natural phenomena that made acoustics of ancient amphitheaters so remarkable were a result of simple principles like geometry and use of materials and location made an impact. Engineering and architecture used in these sites enabled sound to propagate through large distances, with clarity, as though one was located just next to the speaker. Amplifying acoustic instruments has been of interest for musicians for centuries, leading to different techniques used at smaller venues and more intimate settings. However, there is something unique about atmosphere created when standing inside an amphitheater from reverberation and resonance that can be heard to witnessing energy expand around you - it's an experience that cannot be replicated elsewhere. So how have ancient technical developments paved way for modern audio technology today in amplification, absorption, diffusion and even 3D soundscapes? Sound travels through air as waves and can be amplified or dampened depending on environment. When sound waves hit a hard surface, like a wall or floor, they bounce back and create echoes. This is what causes reverberation and amplification in large open spaces like amphitheaters. Building design played a crucial role in acoustics of ancient amphitheaters. Curved shape of amphitheater created a natural echo chamber that amplified sounds. Seats were also designed at different heights and distances from stage to create a wave of sound that could be heard at every level of auditorium. Additionally, use of marble and other hard materials throughout structure helped to reflect sound waves. While reflection was important for amplifying sound, too much echo could make it difficult to understand speech or music. For this reason, ancient architects used sound-absorbent materials like curtains, carpets and drapes to absorb excess echoes. Orientation of an amphitheater was also crucial to its acoustics. Venues were often built facing east to west so that performers were bathed in natural light during afternoon. This also helped to create an ideal environment for acoustics, as sound waves would travel in same direction as light. Additionally, orientation of stage and seating areas played a role in creating ideal acoustics. While we can appreciate ingenuity of ancient architects, modern technology has allowed us to understand acoustics of ancient amphitheaters in greater detail. Studies have shown that shape of amphitheater was responsible for up to 50% of its acoustics, with rest being attributed to reverberation, reflection and absorption. We can now understand how ancient venues would have sounded in their prime using computer simulations. Natural phenomena that made acoustics of ancient amphitheaters so remarkable were a result of simple principles like geometry and use of certain materials. Engineers of ancient times unknowingly developed best acoustic structures that are still admired today. 🎥 : A 2nd Century AD, Roman Theater in Calama (Numidia), Algeria 🇩🇿. It allows you to whisper from one end to other. 🎥© cameronazi (IG) #archaeohistories
0:59

The science behind the incredible 'Acoustics' of ancient amphitheaters : Ancient amphitheaters have long been used as venues for large concerts and events, but how did ancient architects achieve such superb acoustics without today's modern audio equipment and acoustical treatment? In last few decades have seen modern acoustic science employ acoustic simulation software and sophisticated computer models of such open amphitheaters, even though these spaces are known solely from archaeological records and hence virtually reconstructed as acoustic models. Often such computer models are complemented by in situ measurements in some well-preserved ancient theaters using more flexible portable equipment. Recent measurements with audience present show that such near-perfect intelligibility is retained beside increased sound absorption by audience, provided that background noise levels are not excessive. Natural phenomena that made acoustics of ancient amphitheaters so remarkable were a result of simple principles like geometry and use of materials and location made an impact. Engineering and architecture used in these sites enabled sound to propagate through large distances, with clarity, as though one was located just next to the speaker. Amplifying acoustic instruments has been of interest for musicians for centuries, leading to different techniques used at smaller venues and more intimate settings. However, there is something unique about atmosphere created when standing inside an amphitheater from reverberation and resonance that can be heard to witnessing energy expand around you - it's an experience that cannot be replicated elsewhere. So how have ancient technical developments paved way for modern audio technology today in amplification, absorption, diffusion and even 3D soundscapes? Sound travels through air as waves and can be amplified or dampened depending on environment. When sound waves hit a hard surface, like a wall or floor, they bounce back and create echoes. This is what causes reverberation and amplification in large open spaces like amphitheaters. Building design played a crucial role in acoustics of ancient amphitheaters. Curved shape of amphitheater created a natural echo chamber that amplified sounds. Seats were also designed at different heights and distances from stage to create a wave of sound that could be heard at every level of auditorium. Additionally, use of marble and other hard materials throughout structure helped to reflect sound waves. While reflection was important for amplifying sound, too much echo could make it difficult to understand speech or music. For this reason, ancient architects used sound-absorbent materials like curtains, carpets and drapes to absorb excess echoes. Orientation of an amphitheater was also crucial to its acoustics. Venues were often built facing east to west so that performers were bathed in natural light during afternoon. This also helped to create an ideal environment for acoustics, as sound waves would travel in same direction as light. Additionally, orientation of stage and seating areas played a role in creating ideal acoustics. While we can appreciate ingenuity of ancient architects, modern technology has allowed us to understand acoustics of ancient amphitheaters in greater detail. Studies have shown that shape of amphitheater was responsible for up to 50% of its acoustics, with rest being attributed to reverberation, reflection and absorption. We can now understand how ancient venues would have sounded in their prime using computer simulations. Natural phenomena that made acoustics of ancient amphitheaters so remarkable were a result of simple principles like geometry and use of certain materials. Engineers of ancient times unknowingly developed best acoustic structures that are still admired today. 🎥 : A 2nd Century AD, Roman Theater in Calama (Numidia), Algeria 🇩🇿. It allows you to whisper from one end to other. 🎥© cameronazi (IG) #archaeohistories

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When the Oval Office becomes a stock tip line, it’s corruption in plain sight. We must continue to sound the alarm. Head to Substack page for everything you need to know:
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When the Oval Office becomes a stock tip line, it’s corruption in plain sight. We must continue to sound the alarm. Head to Substack page for everything you need to know:

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🔊 Sound on: This is a call to all Sainters - stand up, be loud, be proud. See you at the footy.
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🔊 Sound on: This is a call to all Sainters - stand up, be loud, be proud. See you at the footy.

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"It's such a huge honor to be in the All-Star Game and it's an awesome experience" ~ Paul Skenes NAILED IT #ProgrumSummerRoadTrip
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"It's such a huge honor to be in the All-Star Game and it's an awesome experience" ~ Paul Skenes NAILED IT #ProgrumSummerRoadTrip

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I just had fun making this Colab notebook which explains how to build a sound synthesizer from scratch in Python. You can play with it now at: It covers sound generation, melodies, sound effects like echo, panning, low-pass filter, etc. Enjoy! 😄🎹🎶
1:15

I just had fun making this Colab notebook which explains how to build a sound synthesizer from scratch in Python. You can play with it now at: It covers sound generation, melodies, sound effects like echo, panning, low-pass filter, etc. Enjoy! 😄🎹🎶

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.Dan Orlovsky: "If I went and played for the Jets, they'd be a playoff team." Stephen A Smith: "When you're the quarterback, you do have to stay in bounds in order to produce on the football field." 😭😭😭
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.Dan Orlovsky: "If I went and played for the Jets, they'd be a playoff team." Stephen A Smith: "When you're the quarterback, you do have to stay in bounds in order to produce on the football field." 😭😭😭

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