Questions tagged [psychoacoustics]

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Indistinguishability from a low-quality source

Is there any way to estimate what bitrate would be required for a codec like vorbis or mp3 to achieve near transparency to a 10-bit, 32,768 Hz PCM source? Are there any heuristics that can be used to ...
forest's user avatar
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Do you treat "your own" first reflection points?

It's well known that you should treat the first reflection points in your studio- i.e. the surfaces that reflect sound directly from your speakers to your ears. My intuition says that you should also ...
Edward's user avatar
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Adding a tweeter seemed to also increase bass response

I recently added a pair of tweeters to my car's front pair and what "baffles" me is that after adding them, I hear more bass besides the added highs. (electrically, it was a simple parallel ...
Jahaziel's user avatar
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How to create non-specialist, yet convincing proof of 20-70Hz sound polution?

Due to a technical problem in the 4 story building I live in, everyday walking becomes amplified through the floor into my apartment as low frequency booming. I need to create proof in order to get ...
sca's user avatar
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"Perceptually the ear hears different pitches for soft and loud 100 Hz tone." - Master Handbook of Acoustics - 5e

After having tried to look for answers as to why the ear hears different pitches for soft and loud 100 Hz tones, here's what I've found : Pitch of the low frequency tone decreases with the increase ...
Vivek Karthik's user avatar
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What is the name of this psychological effect?

What's the name of the following effect, so that I can find out more about it: If we cut a song into small chunks (~50ms) and invert each one, our brain is still able to recognize the song instead of ...
Allan Felipe's user avatar
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2 answers
543 views

Question about the Haas Effect

I'm reading an interesting article about incorporating the 'Haas Effect' during the mixing stage of a song but I can't understand the following extract: “The Haas trick adds to the standard panning ...
Daniel K's user avatar
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Which acoustic spectogram shows higher quality of audio file?

I have three acoustic spectograms of different copies of the same song: MP3; 320 kbps; 9.20 MB M4A (AAC); 256 kbps; 7.46 MB; Converted from 1. audio file via iTunes M4A (AAC); 225 kbps; 6.87 MB ...
zakalaka's user avatar
-2 votes
1 answer
62 views

When a timbre actually "change" on playback? [closed]

For definition, the timbre (i.e. the sound we perceive within our mind) is the spectrum on the signal (and its playing envelope over the time). Thus, a bunch of partials (harmonics and overtones) ...
markzzz's user avatar
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Azimuth, spatialisation, psychoacoustics and whatnots?

Does anybody have some resources regarding psychoacoustics and things such as spatialisation, preferably height (above, below) and how frequencies act when they are coming behind you. I know that ...
gbsr's user avatar
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How to avoid self boring when programming patches

I'm totally new in sound generation. I fdeel that when programming a patch to look for something 'magic' the sounds just became boring to ourself and we possibly miss the real point not just because ...
Felice Pollano's user avatar
1 vote
2 answers
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Is there a minimum repeating length of noise that we stop perceiving as repetitive?

When I hear white/pink noise looped I can tell that it's being looped, and pick out parts of it even if it's repeating every few seconds. I was wondering if there's a length of noise that we won't ...
endolith's user avatar
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3 votes
4 answers
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How is Audio Compression possible (file size)

I understand that compression works by exploiting certain psycho-acoustical characteristics of our auditory perception, but I'm still confused. I mean ultimately, the waveform must be recorded ...
user7984's user avatar
4 votes
2 answers
445 views

How wide are critical bands?

I hope this is the most appropriate SE site to ask a question about psychoacoustics. I don't quite understand critical bands. As far as I know, if two pure tones which frequencies are inside the ...
user avatar
2 votes
6 answers
1k views

Psychoacoustics

Hi All, I'm working on a new play that really pushes the audience's comfort level. . . I was wondering if anyone can share psychoacoustic techniques they've found to elicit certain subtle ...
Lugarshz's user avatar
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6 answers
236 views

A hypothetical stereo mixing question

You are walking down a street with a few tall buildings either side, you hear a helicopter approaching. Which direction in the sky do you look? Even though I can quickly figure out where the sounds ...
ofa's user avatar
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9 answers
2k views

Panning of frequencies under 700 hz

The distance between the human ears is half a wavelength of a sound having a frequency of 700Hz. At frequencies appreciably below this, the head offers no obstacle to sound waves, and so the amplitude ...
Tanning's user avatar
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5 answers
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Anyone know about 'Soundscapes for interiors and architecture' ???

I have this itching idea to research field of application of sound arts composed specifically for particular space - interior or can be called indoor dimensions, but can't find any studies that have ...
Pretaeperon's user avatar
2 votes
5 answers
297 views

To accept or not to accept...

Hi everybody I was selected by the Portuguese ministry of culture for a scholarship, to get an internship in a foreign country and the offer i got was for a research project at Pompeu Fabra ...
Filipe Chagas's user avatar