Podcasts about 6db

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Best podcasts about 6db

Latest podcast episodes about 6db

Let's Talk Cabling!
Grounding, Batteries, and Ladder Safety: The Technical Backbone of Low-Voltage Work

Let's Talk Cabling!

Play Episode Listen Later May 1, 2025 30:28 Transcription Available


Send us a textWe break down essential technical concepts for low-voltage professionals, from proper termination block spacing to ladder safety protocols. • Use the four square inch rule for every four-pair circuit when planning termination block wall space• UPS batteries perform best at 77°F with life reduced by half for every 10°C above optimal temperature• Speaker coverage for speech intelligibility requires checking polar plots at 2kHz with attention to the -6dB drop point• Stranded patch cords have 25% more attenuation and require careful handling to prevent impedance swings• Work breakdown structures should include planning, kickoff, actual work, and closeout phases• Outside plant installations involve public, private, and railroad right-of-ways requiring proper permits• Ladder safety requires checking spreaders, rubber boots, weight ratings, and never using damaged equipment• Never stand on the top two rungs of a ladder or allow multiple people on standard laddersFor more detailed information on ladder safety, check out our 34-minute show covering top ladder safety tips and common mistakes to avoid.Support the showKnowledge is power! Make sure to stop by the webpage to buy me a cup of coffee or support the show at https://linktr.ee/letstalkcabling . Also if you would like to be a guest on the show or have a topic for discussion send me an email at chuck@letstalkcabling.com Chuck Bowser RCDD TECH#CBRCDD #RCDD

Bandrew Says Podcast
292: Lewitt LCT-1040, Why OBS Clips at -6dB, & More

Bandrew Says Podcast

Play Episode Listen Later Feb 6, 2022 45:52


On episode 292 of the BSP, I discuss adblockers and how they impact creators, the Lewitt LCT1040, youtube shorts content, the struggle of choosing microphones to review, pan law compensation and why obs clips at -6dB, The Towering Inferno and the new 25th Anniversary Arrow Video release of Mallrats by Kevin Smith.   Subscribe to the full audio podcast at http://www.bandrewsays.com   Gear Used This Episode (Affiliate Links): Lewitt LCT1040: na. Yellowtek M!ka: https://www.yellowtec.com/mika.html Universal Audio x8: https://imp.i114863.net/zMg2r Sennheiser HD650: https://geni.us/sennhd650   As an affiliate I earn from qualifying purchases.    Ask Questions: https://www.askbandrew.com Merch; https://teespring.com/stores/podcastage-store Discord: http://www.podcastage.com/discord   00:00 - Intro 01:15 - AdBlockers Impact on Creator Income 03:15 - Lewitt LCT1040 08:40 - WYHTS: Using Lav Mics with XLR 10:10 - WYHTS: Suggestions for Mic Shorts Content 11:53 - WYHTS: Your sE Dynacaster is Broken? 13:45 - WYHTS: Review the Revelator iO24!!!! REEE! 16:00 - Ask Bandrew 16:45 - Email 1 17:45 - Have You Tested the Microtech Gefell M930 20:30 - Voice Submission 2 21:40 - Does OBS Still Clip at -6dB Mono? Pan Law Compensation Demonstration 25:30 - Analog Limtiers? 27:40 - Feedback on Vocal Processing 29:00 - Email 3 29:50 - Broadcast Dynamic Mic Recommendation 32:45 - Voice Submission 4 34:30 - Removing RF Interference? 39:30 - Movie(s) of the Week 44:50 - Outro

Bandrew Says Podcast
215: Why is OBS Clipping at -6dB, Twitch Safety Advisory Council, and more

Bandrew Says Podcast

Play Episode Listen Later May 17, 2020 40:28


On episode 215 of the BSP I briefly discuss the new Twitch Safety Advisory Council, and the Logic Pro 10.5 update. I then answer a lot of questions covering why OBS audio is clipping at -6dB, What Microphones I use, SKYPE Audio & OBS, the State of Freedom of Speech, and a whole lot more.   Subscribe to the full audio podcast at http://www.bandrewsays.com   Gear Used This Episode (Affiliate Links): Manley Reference Cardioid: https://imp.i114863.net/GWaN9 Hakan P110 Pop Filter: https://imp.i114863.net/Za2Ag Universal Audio x8: https://imp.i114863.net/zMg2r OC White ProBoom Ultima https://www.ocwhite.com/broadcast-arms/proboom-ultima/proboom-ultima-lp-mic-booms.html Sony MDR7506: https://geni.us/7506   Twitter: @bandrewsays Ask Questions: https://www.askbandrew.com Merch; https://teespring.com/stores/podcastage-store Discord: http://www.podcastage.com/discord   00:00 - Intro  00:55 - Twitch Forms Safety Advisory Council Twitch Announcement: https://blog.twitch.tv/en/2020/05/14/introducing-the-twitch-safety-advisory-council/ 03:11 - Logic Pro 10.5 Update Logic Pro Announcement: https://www.apple.com/newsroom/2020/05/apple-unveils-biggest-update-to-logic-since-the-launch-of-logic-pro-x/ 04:54 - Manley Reference Cardioid 07:20 - WYHTS: What Are the Property of Podcast Stickers? 09:23 - WYHTS: Should I Leave SKYPE Audio at 100%? 11:50 - WYHTS: Isn’t a Podcast Using Microphones You Review Relevant to Your Main Channel? 15:50 - WYHTS: Should I Use Your OBS Settings With the GOXLR?  17:00 - WYHTS: Why is OBS Clipping at -6dB!? 22:19 - Ask Bandrew 22:55 - Voice Submission 1 24:20 - Additional Thoughts on Rode M2 28:46 - Voice Submission 2 28:52 - What Microphones Do I Use? 31:14 - Voice Submission 3 32:31 - Thoughts on the State of Freedom Of Speech 38:15 - Announcements Fethead Placement: https://podcastage.com/rev/fetheadmicint Fethead Noise Improvement: https://podcastage.com/rev/micactivatornoise Https://www.bandrewscott.com http://livestreamforthecure.com/ 39:36 - Outro

Adventure Life with Aaron Linsdau
How to convert mono to stereo audio without the -6dB loss in FPCX

Adventure Life with Aaron Linsdau

Play Episode Listen Later Apr 5, 2020 5:13


Aaron shows you how to convert a mono audio file to stereo in FCPX. With a simple mono-to-stereo conversion, there is a -6dB loss that happens. Aaron shows you the trick of how to change the settings so you can overcome the -6dB drop from the conversion. The post How to convert mono to stereo audio without the -6dB loss in FPCX appeared first on AARON LINSDAU Adversity Expert.

loss convert mono fcpx stereo audio 6db
Vegan Steven Podcast
music - synthesizers - voltage-controlled filter (VCF)

Vegan Steven Podcast

Play Episode Listen Later Mar 6, 2020 22:42


A voltage-controlled filter (VCF) is an electronic filter whose operating characteristics (primarily cutoff frequency) can be set by an input control voltage.[1] #Voltagecontrolledfilter are widely used in analogue music #synthesizers. Depiction of cutoff frequency of a low-pass filter, showing Butterworth response A music synthesizer VCF allows its cutoff frequency, and sometimes its Q factor (resonance at the cutoff frequency), to be continuously varied. The filter outputs often include a lowpass response, and sometimes highpass, bandpass or notch responses. Some musical VCFs offer a variable slope which determines the rate of attenuation outside the bandpass, often at 6dB/octave, 12dB/octave, 18dB/octave or 24dB/octave (one-, two-, three- and four-pole filters, respectively). In modular analog synthesizers, VCFs receive signal input from signal sources, including oscillators and noise, or the output of other processors. By varying the cutoff frequency, the filter passes or attenuates partials of the input signal. In some popular electronic music styles, "#filter sweeps" have become a common effect. These sweeps are created by varying the cutoff frequency of the VCF (sometimes very slowly). Controlling the cutoff by means of a transient voltage control, such as an envelope generator, especially with relatively fast attack settings, may simulate the attack transients of natural or acoustic instruments. Historically, musical VCFs have included variable feedback which creates a response peak (Q) at the cutoff frequency. This peak can be quite prominent, and when the filter's frequency is swept by a control, partials present in the input signal resonate. Some filters are designed to provide enough feedback to go into self-oscillation, and it can serve as a sine-wave source. ARP Instruments made a multifunction voltage-controlled filter module capable of stable operation at a Q over 100[2]; it could be shock-excited to ring like a vibraphone bar. Q was voltage-controllable, in part by a panel-mounted control. Its internal circuit was a classic analog computer state variable "loop", which provided outputs in quadrature. A VCF is an example of an active non-linear filter. The characteristic musical sound of a particular VCF depends on both its linear (small-signal) frequency response and its non-linear response to larger amplitude inputs. --- This episode is sponsored by · Anchor: The easiest way to make a podcast. https://anchor.fm/app --- Send in a voice message: https://anchor.fm/vegansteven/message

NASGP | The art of GP locuming
Podcast | Quiet please

NASGP | The art of GP locuming

Play Episode Listen Later Sep 5, 2019 33:20


The Royal Opera House orchestra was rehearsing Die Walküre. For more than three hours violist Chris Goldscheider sat in front of twenty brass players belting out Wagner at 90dB. His hearing was permanently damaged. The Opera House argued that artistic standards took precedence over the risk of acoustic shock, but the courts thought otherwise and awarded Goldscheider substantial damages. A musician’s job is to create sound. Rock musicians ramp up the amplifiers and often lose their hearing temporarily after a particularly loud concert. Many don’t acknowledge the warning. Over time, even violinists can lose 6dB of hearing in their left ear. Many publicans and restaurateurs foster sound. They rip out partitions, strip out soft furnishings and turn up the music. Chatter turns to shouting and then to screaming, and by the time the sound level is 90dB – that’s the same as a pneumatic drill – they have created the vibe they think their clientele enjoy. At least that’s what many of them told Action on Hearing Loss. I wonder. You can’t pour your heart out, or even chat to your mates, against a wall of sound. When a bartender brings a legal case for acoustic damage, publicans may think again. "Noise affects patient care. If staff are distracted or unable to clearly hear information or instructions, lives are at risk." Silence is elusive. Over four days, walking along the Thames path from its source to Oxford, we were out of the sound of traffic for just half an hour. Military jets scream over the remote Highlands and police helicopters clatter over secluded corners of Regents Park. Libraries now entertain kids singing nursery rhymes, art galleries display video installations, and the espresso machine thumps and grinds in cafes where people go to read and work. Who cares Hospital calm? Gone are the days! Machines, phones, bleeps, call bells (left unanswered because they’re short-staffed), crashing trolleys, long visiting hours with noisy families . . . the noise level in ITU can be over 100dB. Noise affects patients. A Swedish study found that loud environments triggered more re-admissions. More hypnotics are prescribed. Patients self-discharge to get a good night’s sleep. Noise affects patient care. If staff are distracted or unable to clearly hear information or instructions, lives are at risk. Noise affects us all. Raised blood pressure, increased risk of cardiovascular problems, poor sleep and its attendant consequences, low birth-weight, obesity, diabetes and cognitive impairment . . . these are some of the consequences. My worst experience of noise was in Santiago de Cuba. The ancient, grinding engines of trucks and buses which had long lost their exhaust silencers woke us at dawn and deafened us until nightfall. We found relief at a cliff-top café. There was a pervasive smell of drains but, like most people, we could put up with pollution better than noise. Nearly 2000 years ago Juvenal listed noise as one of the seven plagues of Rome (along with high rents and fashionistas). Victorians were assailed by the hawkers’ cries, wooden clogs on the cobbles, clattering carts – rubber tyres were a late 19th century innovation. Now, noise has been weaponised. In Guantanamo it’s been used as an instrument of torture. Holed up in the Vatican nunciature, Panamanian leader General Noriega didn’t surrender until the CIA blared rock music into the building. (You can hear it on YouTube). In contrast, shopping malls broadcast Beethoven to see off hooligan loiterers. Our valuation of noise is very subjective and poorly related to the damage it does, which is determined by its acoustic intensity and how long we are exposed to it. The decibel scale is logarithmic, so a 70dB sound is ten times more intense than 60dB. The safe exposure time for a 90dB lawnmower is two hours; for 1...

What use is an F-call?
CODEC2 - 13dB gain, what does it mean?

What use is an F-call?

Play Episode Listen Later Mar 14, 2015 2:29


What use is an F-call? Recently I spoke about digital voice communications. I made mention of the CODEC2 project being developed by Dave Rowe, VK5DGR. I also made reference of the kinds of things that digital voice improves, battery life, channel separation and bandwidth. One of the things I didn't mention, mainly because I still had to learn what it meant, is that CODEC2 has an estimated 13dB gain over Analogue FM. To explain what that actually means, you might recall that an S-point is 6dB, that means that if you use CODEC2, you gain more than two S-points, that's a little like turning up the transmitter power from 10 Watts to 200 Watts. If you look at it another way, if you have a Yagi and you install the same Yagi next to it, and connect it up properly, you've doubled the power and gained 3dB. If you do that again, you have 4 antennas and 6dB, if you do it again, you have 8 antennas and 9dB, again, 16 antennas or 12dB gain. So, the performance that we're talking about is something that you can either visualise as turning up the power from 10 Watts to 200 Watts, or using an antenna array with 16 antennas. So what is this magic thing called CODEC2? Well, as I said previously, a CODEC is a piece of software that encodes and decodes stuff. An example that you might be more familiar with is an MP3 file. You open your sound file, and save it as an MP3. The new file is much smaller but it retains most of the fidelity of the original when you play it back. The same is true for other things in use. Your mobile phone uses a GSM CODEC to make your voice travel across the airwaves as bits, rather than raw audio, like the old analogue phones we used to have. The aim of all of this is to reduce data use, to increase availability of channels and to deal with error correction. CODEC2 does all that, for us, here, in Amateur Radio Land, and of course, it can also be used in the rest of the world, for example for mobile phone communications, making it possible to use less power to transmit the same signal and thus use less battery, making your phone last longer. I'm looking forward to a CODEC2 mode on my radio to go with the AM, FM and SSB modes already there. I'm Onno VK6FLAB

What use is an F-call?
How much do you gain from more power?

What use is an F-call?

Play Episode Listen Later Aug 9, 2014 3:24


What use is an F-call? When you get an amateur radio license, you learn that different license classes have different power limits. The basic power limit in Australia, the foundation license, or f-call, has 10 Watts as the limit. The standard license has 100 Watts and the advanced license has a maximum legal limit of 400 Watts. It's natural to think that more power gives you more reach, but realistically, what does that look like, what is the difference between 10 Watts and 100 Watts? Can you really notice a difference? From my own experiments, I can confirm that it's possible to talk to the opposite side of the earth with 5 Watts, but was that a fluke, or is there more to it? What is the difference? All things being equal, that is, the same radio, the same conditions, the same antenna, the same location, etc. - the difference between 10 Watts and 100 Watts is a 10-fold increase, or, if you have 400 Watts at your finger-tips, that's 40 times more - right? Not quite. If you recall, a dBm is a decibel-milliwatt, or said differently, 0dBm is the equivalent of 1 milliwatt. If you double the power, 3dBm, you're looking at roughly 2 milliwatt. 10 Watts is the same as 40dBm. 100 Watts is the same as 50dBm. That means that between 10 Watts and 100 Watts, there is 10dB difference, that is, there is a 10dB gain if you go from 10 Watts to 100 Watts. On a HF radio, on your S-meter, an S-point is defined as 6dB. That means that the difference between a 10 Watt contact and a 100 Watt contact is less than 2 S-points. The difference between 100 Watts and 400 Watts is even smaller. 400 Watts is 56dBm. As I said, an S-point is 6dB, so, the difference between a contact made using 100 Watts and one made with 400 Watts is one S-point. An F-call using 10 Watts, is 3 S-points worse off than an Advanced call using 400 Watts, all else being equal. Of course, depending on the conditions and the deafness of the operator on the other end, that might well be the difference between making the contact or not. If you start at S-9 with 400 Watts and there's 30dB path loss because of band conditions, you end up at S-4, but if you start with 10 Watts at S-6, you end up at S-1. The path loss has a bigger impact on your readability than the amount of power you're putting out. The main take-home is that an F-call can make contacts with their 10 Watts and they're only 3 S-points behind the big guns with their fancy Advanced license. Before you start mouthing off about the 1500 Watts allowed in the United States, that's just under 62 dBm, so just one more S-point. That's not to say that there is no benefit in upgrading your license; access to bands and modes, home built transceivers and other perks, but power shouldn't be why you upgrade. One final observation. I've noticed that if you're confident on-air, other stations hear you better. That might mean that the 400 Watts that you have as an advanced licensee might make you more confident, thus making more contacts. Be brave, be confident, make your contacts with as little power as you can. I'm Onno VK6FLAB

What use is an F-call?
dB, dBi, dBd

What use is an F-call?

Play Episode Listen Later Jun 7, 2014 2:40


What use is an F-call? You've come across the term dB, or Decibel. Likely you've heard of dBi as well. These terms are all related to Decibels, but mean completely different things. A decibel, named after Alexander Graham Bell, is a RELATIVE measure of two different power levels, that is, one power level compared to another power level. 3dB is about twice as much power, 6db is about four times as much, and 10dB is exactly 10 times as much power. This means that you can say that a feedline has 6dB loss, that is, you need to put 20 Watt in at one end to get 5 Watt out at the other. In short, a dB is a ratio between two levels of power, in the feedline case, the power in vs. the power out the other end. In antenna land, you'll have heard dBi as the measure of the amazingness of an antenna. A dBi is a measure of gain of an antenna when compared to an ISOTROPIC source. This is a theoretical reference, that cannot actually exist in nature, but at least it's always the same, which allows you to compare two antennas to each other when their gain is both expressed in dBi. You might also come across a dBd, or antenna gain when compared with a dipole. A dipole in itself can be compared to an Isotrope. Its gain is 2.41 dBi or 0dBd. Which incidentally goes to why many antenna manufactureres play silly games with dBi and dBd. An antenna described as 24 dB should send you back to the manufacturer to ask them, 24 compared to what? If it's 24 dBi, it's compared to an isotrope, if it's 24 dBd, it's compared to a dipole. This means that there could be a 4.81 dB difference between two incorrectly named "24 dB" antennas. There's more than this, think about dBW, dBV, dBu, dBmV, dBA, dBZ and many, many more. The thing to take away is that a dB is a relative term. One compared to another. If only one's specified, you don't nessicarily know compared to what? dBi references it to an Isotrope and dBd references it to a dipole. I'm Onno VK6FLAB