Questions tagged [sound]

353 questions
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Sound quality recording question

How do I know if a sound recording sounds clear or not(if what is being said can be understood)? I understand my sound recordings, but other people can't, they say i have bad recording quality since they can't understand what is being said. Is there…
Luiyo
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Sound recording for 360 video - sound field or stereo tracks?

When recording 360 degrees of sound (for a 360 virtual reality video) - so far i have heard of 2 main methods: 1) The use of an ambisonic microphone (sound field) 2) Put 2 microphones on each of the 4 sides of the 360 camera rig (at 0 degrees, at…
yaron2007
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Mechanical acoustic device

Would it be possible to build a purely mechanical device that is capable of generating sounds of alphabet either by compression or blowing? No electronic or electrical parts purely mechanical. We are talking about an artificial device outside a…
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Minimal length required for a human to register a sound

I work with automatic environmental sound recognition. As a limitation of my work, I use only audio without other contextual information to do the recognition. In nature, many sounds are very alike, for example a bouncing ball or knocking on the…
jessica
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Decibel sum problem on 0 dB + 0dB

I don't know a lot of what I'm going to ask you. What I know is that to sum different sound sources, logarithm should be used (like the attached img). THE QUESTION IS: why 0 dB + 0 dB = 0 dB is not true? I undertand this is not a standard sum, but…
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What is the audio equivalent of a pixel?

What is the equivalent of a pixel in the realm of audio? I know that pixels are the basic components which are used to form a picture so what basic component is used to form a sound?
user3356
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How do Channel Sub-groups work?

Stupid Question sorry. I'm trying to grasp subgroups. Analog board (see below) So I have the four subgroup faders, (1-4) and an example channel fader on 16. Let's say I have drums on channels 1 to 5, Vocals 6 to 10. When assigning channels to…
Jayden
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Difference in Hz when recording audio?

I'm trying to convert old cassette tapes to MP3 using a USB device through Audacity. I know very little about audio so I'm not interested in getting into all of the technical stuff but just wondering what the use is for difference Hz when…
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Looking for a certain synth

I really want to know what instrument is used for the main lead in the Spice Girl's 'Say You'll Be There', I've been looking for it for ages but with no luck. Starts at 0:15 Any help would be greatly appreciated!
Josh
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When your phone rings in your backpack why do you hear it?

I have heard people's cell phone go off when its in their backpack, but how does a soundwave travel through something that is completely zipped up?
Ethan
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Semantics of "sound" in "sound design/editing"

What does "sound" really refer to in "sound design" or "sound editing"? Options: -Singular count noun, a single sound (could be said about 'sound design') -Abstract or mass noun, "continuous" sound (probably clear in the case of 'sound editing', but…
mavavilj
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Will the decibel value of a sound meter change when you walk from one corner of the room to another?

Will the decibel value of a sound meter change when you walk from one corner of the room to another? And can I use this sound meter to determine where I can best place my acoustic sound absorbing panels (eg. placing more panels at corners where…
1ZI91
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I need help regarding hearing high frequencies!

I am sorry if I am not posting this in the right place. I am a 27 years old guy and I have a very bad ear at hearing high frequencies, I only figure out this today after doing more than 20 hearing tests (diff websites, videos, apps ect..) The result…
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Simulating stereo sound in x y plane

I'm working with some digital sound generation, and I want to work with making 3d sound- in other words, taking a pregenerated wave and using audio delay and slight amplitude differences to make it sound like it is coming from some position…
H Franklin
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How can I extract AC-3 or DTS or any other audio streaming from a bulk collection of MP4 videos simultaniously with FFmpeg?

I want to just extract audio files without encoding or decoding for many MP4 videos simultaneously using the FFmpeg decoder. What would the git bash be for my requirement?
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