Could someone answer a really stupid question about guitars?

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What's "feedback"? I thought it was those cool high-pitched noises, but people keep saying "feedback" when I would say "distortion" and I don't understand at all.

Stupid (Stupid), Wednesday, 10 December 2003 22:18 (twenty-one years ago)

feedback is the high pitched noises.....I don't know exactly what happens, but usually it's when a microphone or the gain on a guitar amp is jacked up too high and it produces those shrieks you're talking about....you can also get it by putting your guitar next to an amp on high volume and letting it sustain.

Matt Helgeson (Matt Helgeson), Wednesday, 10 December 2003 22:24 (twenty-one years ago)

It's when the amplifier interacts with the guitar to create a constantly-increasing squeal of noise. If you place the guitar too close to the amp this tends to happen. Distortion is more of an intentional "fuzzing" of sound as a result of equipment used -- pedals, amps, guitar settings, etc.

Baked Bean Teeth (Baked Bean Teeth), Wednesday, 10 December 2003 22:25 (twenty-one years ago)

the noise coming out of the amp goes back in the pickups and comes out of the amp and goes back in the pickups and comes out of the amp etc

gaz (gaz), Wednesday, 10 December 2003 22:31 (twenty-one years ago)

scientific american takes on this decades old quandry

gygax! (gygax!), Wednesday, 10 December 2003 22:32 (twenty-one years ago)

Okay, so what the fuck are people talking about when they describe Loveless as 'feedback bliss'? Are they just talking bullshit?

Stupid (Stupid), Wednesday, 10 December 2003 22:35 (twenty-one years ago)

similarly, microphone feedback occurs when the vocal coming through the p.a. speakers is heard by the microphone itself, starting a vicious cycle.

while guitarists can tweak and control their feedback, i've yet to hear a singer put mic feedback to any kind of positive use.

fact checking cuz (fcc), Wednesday, 10 December 2003 22:36 (twenty-one years ago)

i like the bolt feedback mic.

Dean Gulberry (deangulberry), Wednesday, 10 December 2003 22:45 (twenty-one years ago)

I don't. Once it almost got me deaf.

JP Almeida (JP Almeida), Wednesday, 10 December 2003 22:46 (twenty-one years ago)

I don't know of any creative uses of mike feedback, but I know of a use of non-feedback. I once saw a singer stick his mike into the monitor, and use the lack of feedback as proof of his point to the soundman that the monitor was not on.


As for guitar feedback, it was radical and daring about 35 years ago. If I never hear it again it'll be too soon.


Rick Massimo, Wednesday, 10 December 2003 22:48 (twenty-one years ago)

Okay, so what the fuck are people talking about when they describe Loveless as 'feedback bliss'? Are they just talking bullshit?

It makes good copy/looks good in print.

gygax! (gygax!), Wednesday, 10 December 2003 22:51 (twenty-one years ago)

Masonna has done a number of records incorporating mike feedback. They sound pretty much like you'd expect. Also, wasn't it the vocalist from Flipper who used to disconnect the ground on his mike so that there'd be a constant hum accompanying his dulcet vocal stylings?

Nom De Plume (Nom De Plume), Wednesday, 10 December 2003 22:53 (twenty-one years ago)

"It makes good copy/looks good in print."

You just made sense of such a vast segment of my life that I spent sitting around trying to figure out what the fuck these people are talking about.

Stupid (Stupid), Wednesday, 10 December 2003 22:54 (twenty-one years ago)

If the mic can hear the amplifier, it starts amplifying the amplifier and you get really shrill harmonics (think every bad school PA system you've ever heard). Some guitarists, like Nick McCabe, are very precious about getting the feedback to be harmonic with the note they are playing, sort of of like a high pitched version. These subtle harmonics can be really delightful and are not so easy to achieve.

Michael G, Wednesday, 10 December 2003 23:04 (twenty-one years ago)

++ Okay, so what the fuck are people talking about when they describe Loveless as 'feedback bliss'? Are they just talking bullshit? ++

it more like "compression" bliss

kephm, Wednesday, 10 December 2003 23:08 (twenty-one years ago)

can't agree with ya kephm, there's tons of threads on kevin shield's guitar sound but it boils down to the slight out of phase signal delay in stereo, reverse reverb, and the tremolo arm gliding the tone variably up and down.

gygax! (gygax!), Wednesday, 10 December 2003 23:15 (twenty-one years ago)

oh yeah, reverse reverb!
when i saw em live, i think i remember a few compression pedals onstage

kephm, Wednesday, 10 December 2003 23:27 (twenty-one years ago)

not here...

and i mentioned on another thread that i was disappointed to see him "cheating" by using the whammy pedal when i saw them live (but i guess that you save money on broken strings/guitar assistant).

gygax! (gygax!), Wednesday, 10 December 2003 23:34 (twenty-one years ago)

Okay, so what the fuck are people talking about when they describe Loveless as 'feedback bliss'? Are they just talking bullshit?

They don't know what reverb is.

Siegbran (eofor), Wednesday, 10 December 2003 23:36 (twenty-one years ago)

I don't know of any creative uses of mike feedback...

Steve Reich's "Pendulum Music," for starters.

hstencil, Wednesday, 10 December 2003 23:38 (twenty-one years ago)

whoommmmmmmp
whammmmmmmmp
whoommmmmmmp
whaammmmmmmp

gygax! (gygax!), Wednesday, 10 December 2003 23:39 (twenty-one years ago)

an easy home approximation for Soon is to play an open E and tremelo the entire thing while you strum.

Spencer Chow (spencermfi), Wednesday, 10 December 2003 23:46 (twenty-one years ago)

sorry, while overdriving.

Spencer Chow (spencermfi), Wednesday, 10 December 2003 23:47 (twenty-one years ago)

Jimi used to make feedback seagull sounds by putting a microphone between a pair of headphones...

And John Lennon always reckoned he was the first, before Pete Townsend, and he may be right. There is a little burst of feedback at the beginning of "I Feel Fine."

andy, Thursday, 11 December 2003 00:29 (twenty-one years ago)

I don't know of any creative uses of mike feedback...

Steve Reich's "Pendulum Music," for starters.

-- hstencil (hstenci...), December 10th, 2003.
------------------------------------------------------------------------

whoommmmmmmp
whammmmmmmmp
whoommmmmmmp
whaammmmmmmp

-- gygax! (gygax0...), December 10th, 2003.

they had an exhibit of this at the Exploratorium. fugging great!! for those who don't know what it is, they have 5 (?) microphones with the chords attached to the ceiling. directly under each mic is it's corresponding amplifier. the people 'conducting' it pull back the mics and let them swing. each time the mic passes over the amp in a pendulum swing, the feedback gets louder and changes pitch (i think?). very very impressive. it was in practically a sound proofed room with windows. when they opened the doors to let out the 'conductors' it was deafening.

JaXoN (JasonD), Thursday, 11 December 2003 00:59 (twenty-one years ago)

while guitarists can tweak and control their feedback, i've yet to hear a singer put mic feedback to any kind of positive use.

-- fact checking cuz (factcheckingcu...), December 10th, 2003.

What's that Pixie's song on Surfer Rosa where the song is all going normal (or, at least Pixies normal) and then Frank Black starts singing and his mic is 90% feedback?

David Allen, Thursday, 11 December 2003 02:13 (twenty-one years ago)

You're confusing feedback with distortion.

gygax! (gygax!), Thursday, 11 December 2003 02:17 (twenty-one years ago)

I just want to say I think Stupid is one of our best new posters.

Tracer Hand (tracerhand), Thursday, 11 December 2003 02:39 (twenty-one years ago)

"our" - god what a cockfarmer i be

Tracer Hand (tracerhand), Thursday, 11 December 2003 02:40 (twenty-one years ago)

To clarify one thing. When a guitar feeds back it is actually the sound from the amp vibrating the strings.This allows you to control the pitch. When the sound recycles through the pick-up it is almost as painfull as a mic feeding back. Example would be Intruder by Van Halen.

Speedy Gonzalas (Speedy Gonzalas), Thursday, 11 December 2003 05:43 (twenty-one years ago)

A recent use of mike feedback is on "This little life of mine" by Spiritualised, which sounds to me like Jason P is singing while having too much through his cans, causing that piercing (no pun intended) feedback shriek whenever he stops singing. Mike feedback is very distinctive - done it myself before I had a guitar amp - but not very useful.

There does seem to be a common misconception amongst non-musical people that 'distortion' equates to 'feedback'. Whenever my fellow guitarist and I burst into a distorted blues riff to jam on during church band practices, one of the singers always complains about the amount of feedback coming out of the speakers when there's no such thing - if she wanted to hear feedback, she should have come along to see my other band playing "Million words" (standard song intro: "This song starts Wedding Present, and ends My Bloody Valentine"). Now that was feedback.

Rob M (Rob M), Thursday, 11 December 2003 09:48 (twenty-one years ago)

Okay, so what the fuck are people talking about when they describe Loveless as 'feedback bliss'? Are they just talking bullshit?

OK, forgive me if this has been answered upthread, but the techie obsessive "Guitar Player" reader-in-the-90's answer is:

Because many of the "keyboardy" sounds - the flute sounds, some of the "ahs" and many of the strange floating ambient sounds that make that record so great ARE ACTUALLY GUITAR FEEDBACK, sampled, and processed, and played back as musical elements.

It's not bullshit at all. It's what the sounds actually are.

HRH Queen Kate (kate), Thursday, 11 December 2003 10:25 (twenty-one years ago)

The Black Eyed Snakes, with their old school blues mics and sounds, end up using a lot of microphone feedback, especially live, but I'm pretty sure it's all over their records too. Man, Loveless is just so good it tears me up. I honestly have no idea what Mr. Shields was doing most of the time, though, to be honest.

Big Red, Thursday, 11 December 2003 15:59 (twenty-one years ago)

I like Tom Morello's musical use of feedback.

Jordan (Jordan), Thursday, 11 December 2003 16:13 (twenty-one years ago)

I think he uses it too much.

Aja (aja), Thursday, 11 December 2003 16:14 (twenty-one years ago)

I've played with mic feedback before. Take a little guitar amp, cranked, and move the mic closer and further from it, you can tweak the pitch over quite a big range. It sounds very theremin-y. Mic that amp and then you've got something.

There's some wild mic feedback stuff in the last 2+ minutes of Mr. Bungle's "Desert Search for Techno Allah".

nickalicious (nickalicious), Thursday, 11 December 2003 16:25 (twenty-one years ago)

David Tudor('Microphone'; I guess some mixes of 'Rainforest'), Robert Ashley('Wolfman'), Alvin Lucier('Bird And Person Dyning'), and Max Neuhaus ('Fontana Mix-Feed') all use microphone feedback.

Stephen Boyle (SBoyle), Thursday, 11 December 2003 19:31 (twenty-one years ago)

feedback's purty

Felcher (Felcher), Thursday, 11 December 2003 20:16 (twenty-one years ago)

I just want to say I think Stupid is one of our best new posters.
-- Tracer Hand


Awww, cheers. As you may have guessed from the name, I feel pretty stupid posting on here owing to my extremely limited knowledge of music compared to most people. I seem to use this board more as a massive font of musical knowledge than a regular board.

Stupid (Stupid), Thursday, 11 December 2003 20:24 (twenty-one years ago)


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