Doppler effect - listener in motion
User comments:
[2012-03-09 12:14:45] MrKorrazonCold - But isn't the speed ...
But isn't the speed of light in a vacuum the same for all observers and is not relative to the movement of the observer?
[2012-01-19 14:44:19] rodswebdesign - some really good ...some really good stuff here
[2011-12-04 02:16:12] DevaXfish - nice!!!! for sharenice!!!! for share
[2011-10-31 00:49:49] DennisBayazitov - ...NEEEEEEEEAUUUUUUUUUUUUHHH
[2011-10-20 21:10:56] lamdavld - However, you're ...However, you're brain perceives certain frequencies to be louder or softer. Though you are technically correct.
[2011-10-18 16:11:33] frompdiggity - Note to self.....do ...Note to self.....do not view video while under the influence of psychedelic hallucinogens.
[2011-08-03 14:10:23] TrojanJerichoVI - ... there there.... there there.
[2011-07-19 15:27:16] raizentoushi - is the green one ...is the green one moving or the other( in this video not in reality)...btw....is anyone else here because of Sheldon?
[2011-07-18 02:59:18] PumpManufacturers - thanksthanks
[2011-06-18 18:15:08] imdbstar - how can anyone ...how can anyone dislike this. n00bs this is the really cool
[2011-05-17 23:42:11] PelletierPhysics - Doppler effect ...Doppler effect does not cause the sound to become louder of softer. It makes the pitch higher or lower.
[2011-04-19 18:41:01] PrincessHeart1997 - ahhhh i get! :L ...ahhhh i get! :L Exsamples are much easier, i hate ambulances, the noise is scary when your listening 2 ur ipod on loud then it ends and there a big siren suddenly.
[2011-04-06 13:12:23] R33seyboy - +1 love that tv ...+1 love that tv show
[2011-03-31 20:55:58] ThatsDaStuff - i'll give you a ...i'll give you a hint. nnnneeeeaaaawww (big bang theory)
[2011-03-02 19:10:32] gnamp - This video requires ...This video requires an accompanying sound track.
[2011-02-25 14:25:41] misantropicall - when observing the ...when observing the DE, is there any difference between: a) the sound source moving towards/away from you, and b) you moving towards/away from the sound source?
[2011-02-24 01:25:40] Thanatos659 - thumbs up if you ...thumbs up if you came here from Big Bang Theory
[2011-02-23 12:11:10] Albastrica - Like the ambulance: ...Like the ambulance: when coming at you the noise is fast, when going away from you, the sequences are slower. Fun :)
[2010-12-15 12:55:02] Opticradiation - Part of me was ...Part of me was expecting something scary to pop out.
[2010-12-10 22:06:32] blazesoul13 - If you're ...If you're travelling away from the sound origin and at the speed of sound you'll hear nothing. If you go away from the origin and twice the speed of sound you'll listen to everything at the original frequency, but backwards :D
[2010-11-02 03:37:41] fatqwert200 - so does that mean ...so does that mean if u were traveling faster then the sound lets ignore other variables but for sake of argument if the sound was 500 hz and you were going the speed of sound. will you hear nothing on the other end? and if you were going twice the speed of sound will you hear 500 hz on the other end
[2010-10-03 04:20:23] Peon547 - wow this is logicalwow this is logical
[2010-09-07 23:52:53] tomowashere2007 - Doppler Effect. the ...Doppler Effect. the apparent change in frequency caused by change in the realative motion between the source and the observer
[2010-05-01 18:25:15] iloveredsox7020 - and so happens the ...and so happens the red and blue shifts
[2010-03-30 18:35:49] sharpezor - This is a good ...This is a good animation
[2009-12-18 23:37:53] leafrunner123 - Doppler effect: ...Doppler effect: Change in frequency of a wave due to the motion of the source or the observer.
[2009-09-07 07:21:53] Igneous01 - k what really ...k what really happens here is that when the waves are being ommited from the device (lets say a speaker for example) u moving towards the waves, is alot like moving against wavs in an ocean, they hit you more frequently since the distance between you n the wav become shorter as you also move. So you will hear a slight raise in the pitch of the music. When u walk away, ur actually creating distance between urself and the wave, making the freq slower, and lowering the pitch.
[2009-08-23 21:19:43] kebabsallad - So it shows that ...So it shows that when he moves towards the source he hears it in a way that changes when he is moving away from the source ? more freq when moving towards or ?
[2009-08-13 01:46:30] BlackhawkII - it neeed not be ...it neeed not be light ;) Just watch a Formula 1 race: When the car comes closer to you, the frequenzy gets higher, if it moves away, the frequenzy gets low(er) again ;)
[2009-07-17 21:30:36] Joester9988 - but i though that ...but i though that the lines werent beeps, they was them frequency lines (dunno there exact name) and then when hes moving towards it the lines are closer together so higher frequency means higher pitch and when he moves away the lines are further apart so lower frequency means lower pitch ? might be some bits switched around in it but im not sure, im only 13 lol
[2009-07-10 19:57:43] jakehr3 - yeah, i know it ...yeah, i know it seems strange, but in the doppler effect equation the listener's position and velocity is also taken into account as well as the emitter
[2009-07-01 05:04:12] QuiltedPine - Holy cow, you've ...Holy cow, you've just demystified somethign I never understood and was too ashamed to ask! Essentially if you move as fast as the speed of sound, you will approach near 0Hz! Amazing! Thank you!!
[2009-05-27 02:09:33] HLSDK - yes, It is called ...yes, It is called red shift (if distance is increasing)
[2009-05-24 14:56:23] franksui - no. each circular ...no. each circular line represents a wavelength. i.e. from one circle to the adjacent one, that's one complete wavelength. When the green person moves towards the red person, he goes through more wavelengths per unit time. and more wavelengths per unit time means shorter wavelength, which means a higher frequency. when he moves away from it, he goes through less wavelengths per unit time. and gives a longer wavelength, which means lower frequency. ( v = f * λ ; "v" is always the same)
[2009-05-10 18:50:23] purplepirate1109 - ahh! thank you for ...ahh! thank you for this