Cardaroy Posted December 7, 2010 Share Posted December 7, 2010 I've heard that there should not be any difference in sound quality when converting back and forth between the two formats..... However, when comparing them in Logic, I can actually see microscopical differences in the waveforms (which I thought is only indicating sonics?). See the attached file. Look slightly to the left from "1.1.1.73".... there is a very lite difference there... how come? How can I make sure my conversion is 100% identical in terms of sound quality? Note: The original file is 16 bit - and my conversion is to 24 bit.... would it be better to go 16 - 16? I am making a CD single version for radio. [Moderator's Note: screenshot removed -- waaaaay too wide. Screenshots may be no wider than 800 px. See Forum Guidelines for details.] Link to comment Share on other sites More sharing options...
triplets Posted December 8, 2010 Share Posted December 8, 2010 Different bit depths is not the same file. Remember that switching something recorded in 16bit to 24bit won't make it better. Try to record everything in 24bit. Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 I have got a mastered file at 16 bit/44100 (they mastered it and then brought it down it down from the 24bit mix) and needed to do a radio edit to make it a CD single by taking out a part in the middle. Now I need to bounce this file - what should I bounce it in to keep the identical sonic quality? The manufactures will after that make it into a DDP file. Thanks! Link to comment Share on other sites More sharing options...
triplets Posted December 8, 2010 Share Posted December 8, 2010 Keep the file as is, and record everything additionally at 44.1 24 bit. Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 Ok, just to make sure: So when bouncing: I will go 16 bit .wav? Link to comment Share on other sites More sharing options...
slamthecrank Posted December 8, 2010 Share Posted December 8, 2010 Ok, just to make sure: So when bouncing: I will go 16 bit .wav? If I'm understanding you correctly: you've edited a 'mastered' file which was given to you at 16-bit, right? And now you want to bounce the file you've edited, right? Then, yes, keep it at 16-bit (16-bit is what CD's are read at). Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 Correct. Thanks! Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 NOW I'M CONFUSED..... Please see the attached file, right around the cycle range area... both files are Linear PCM, 16 bit little endian-signed integer, 2 channels, 44100 Hz... how come this minimal difference - what is happening? They are identical musical in that perticular place.... [Moderator's Note: screenshot removed -- waaaaay too wide. Screenshots may be no wider than 800 px. See Forum Guidelines for details.] Link to comment Share on other sites More sharing options...
henry greer Posted December 8, 2010 Share Posted December 8, 2010 Do both files sound the same? Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 I don't know, but I think so.... ? Link to comment Share on other sites More sharing options...
triplets Posted December 8, 2010 Share Posted December 8, 2010 You probably cannot even hear that tiny, minimal difference. We're talking about a couple of samples. So move on and keep on making music. Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 There are other places like this. I can't take any chance that the file is sounding different. There must be a reason for this... I attached my bounce settings. Thanks, [Moderator's Note: screenshot removed -- waaaaay too wide. Screenshots may be no wider than 800 px. See Forum Guidelines for details.] Link to comment Share on other sites More sharing options...
fuzzfilth Posted December 8, 2010 Share Posted December 8, 2010 Do a null test. Align both Regions on two tracks, invert the polarity of one with a Gain-plugin's phase switch and listen to the result. If it is anthing else than utter silence, post back. If it is utter silence, post back too. Christian Link to comment Share on other sites More sharing options...
ski Posted December 8, 2010 Share Posted December 8, 2010 Cardaroy, I removed all of your screenshots because they were way too wide. Read our forum guidelines to understand our criteria for screenshots. You can upload replacement pictures by clicking the EDIT button your post and attach new files. However, they cannot be wider than 800 pix. It's generally unnecessary necessary to see your full screen and portions of your desktop when the problem is isolated to a small section of your arrange page. You can edit your pictures quite easily by opening screenshots in Preview and using the available tools to crop and scale. Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 I'm sorry about the screen shot. Here comes a cropped version. Link to comment Share on other sites More sharing options...
Cardaroy Posted December 8, 2010 Author Share Posted December 8, 2010 to fuzzfilth: yes, I hear the track all the time. Link to comment Share on other sites More sharing options...
fuzzfilth Posted December 8, 2010 Share Posted December 8, 2010 By the second to last pic, yes, of course. You're still at least one sample late on the lower track. Did you follow my instructions ? By align I don't mean throw it somewhere on a track, I mean make sure they are in sync, down to the sample. Christian Link to comment Share on other sites More sharing options...
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