What's the meaning of "sample rate" in MP3/Vorbis/AAC?

What's the meaning of "sample rate" in MP3/Vorbis/AAC?, Considering the audio was transformed

sheh View Member Profile	Oct 7 2012, 03:44 Post #1
Group: Members Posts: 89 Joined: 3-November 04 Member No.: 17971	What's the meaning of "sample rate" in MP3/Vorbis/AAC? Wouldn't it be meaningless after transform, same as bit depth?

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[JAZ] View Member Profile	Oct 10 2012, 18:41 Post #2
Group: Members Posts: 1568 Joined: 24-June 02 From: Catalunya(Spain) Member No.: 2383	Winamp with the in-house decoder (i.e. not the frauhoffer decoder) that they used at the time. (I'm not sure if it was already winamp 2, or still winamp 1.7 or so). No MMX, probably x87 math... This post has been edited by [JAZ]: Oct 10 2012, 18:42

Posts in this topic

sheh What's the meaning of "sample rate" in MP3/Vorbis/AAC? Oct 7 2012, 03:44

saratoga No, the transform occurs on sampled data and so th... Oct 7 2012, 05:05

sheh I guess the way I put it does seem like a retread.... Oct 9 2012, 05:21

saratoga QUOTE (sheh @ Oct 9 2012, 00:21) Benski s... Oct 9 2012, 19:03

pdq Still. since the data are stored as frequencies an... Oct 7 2012, 14:23

[JAZ] When we say that lossy streams don't have a st... Oct 7 2012, 14:44

jensend I'm not intimately acquainted with the details... Oct 7 2012, 16:46

benski fs is part of the MDCT equation. If you didn... Oct 7 2012, 18:32

sheh Okay, so the original fs needs to be plugged in so... Oct 8 2012, 18:33

lvqcl Winamp MP3 decoder still have Full/Half/Quarter qu... Oct 7 2012, 18:56

benski QUOTE (lvqcl @ Oct 7 2012, 13:56) Winamp ... Oct 10 2012, 16:16

saratoga Using a dct means you could easily drop the sample... Oct 7 2012, 19:00

saratoga QUOTE (sheh @ Oct 8 2012, 13:33) Okay, so... Oct 8 2012, 23:41

jensend I still think you're wrong here. Once you... Oct 7 2012, 19:57

saratoga QUOTE (jensend @ Oct 7 2012, 14:57) I sti... Oct 7 2012, 20:16

Dynamic I think one problem is that we're never doing ... Oct 8 2012, 23:04

[JAZ] Mmm.. the tranformation that (most) lossy codecs d... Oct 9 2012, 19:03

Dynamic QUOTE ([JAZ] @ Oct 9 2012, 19:03)... Oct 9 2012, 22:22

pdq So am I understanding correctly that 99.9% of deco... Oct 10 2012, 17:12

saratoga QUOTE (benski @ Oct 10 2012, 11:16) QUOTE... Oct 10 2012, 17:30

[JAZ] QUOTE (Dynamic @ Oct 9 2012, 23:22) As [J... Oct 10 2012, 17:52

saratoga QUOTE ([JAZ] @ Oct 10 2012, 12:52... Oct 10 2012, 18:20

[JAZ] Winamp with the in-house decoder (i.e. not the fra... Oct 10 2012, 18:41

saratoga QUOTE ([JAZ] @ Oct 10 2012, 13:41... Oct 10 2012, 18:55

Dynamic My recollection is that Winamp 1.7 running under W... Oct 11 2012, 16:14

sheh So sample rate matters. I suppose without being fa... Oct 11 2012, 23:20

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