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Author: Subject: 24 Bit Audio

Zen Peach





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  posted on 2/22/2009 at 07:47 PM
I feel like I'm missing something by not having this capability.

I'm on a Mac, what can I use to burn 24 bit recordings?

And what about playing them back? Is this DVD audio?

 

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Peach Pro



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  posted on 2/22/2009 at 07:57 PM
yup. dvd audio. it won't play on a cd. It just sounds like hiss. You can play 24 bit on any computer or hard drive too.

 

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  posted on 2/22/2009 at 08:39 PM
quote:
yup. dvd audio. it won't play on a cd. It just sounds like hiss. You can play 24 bit on any computer or hard drive too.


So you have to burn on a 24 bit enabled burner and play back only on a DVD-Audio DVD player as well as any PC?

I guess what I'm saying is an ordinary CD player is useless to listen to 24 Bit Cds?

It's all so confusing....

 

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Peach Pro



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  posted on 2/22/2009 at 08:48 PM
Use this free program to burn 24 bit wavs to dvds
that will play on any dvd player. It will also burn 16 bit
wavs(cds) to dvd.
It is easy and works great
http://www.audio-dvd-creator.com/
oops won't work on mac I don't think

[Edited on 2/23/2009 by fduane]

 
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Zen Peach



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  posted on 2/22/2009 at 08:55 PM
quote:
quote:
yup. dvd audio. it won't play on a cd. It just sounds like hiss. You can play 24 bit on any computer or hard drive too.


So you have to burn on a 24 bit enabled burner and play back only on a DVD-Audio DVD player as well as any PC?

I guess what I'm saying is an ordinary CD player is useless to listen to 24 Bit Cds?

It's all so confusing....


Right? Thats what i'm talking about Rich. Can someone please dumb it down for us?

 

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  posted on 2/22/2009 at 09:21 PM
Any dvd burner will work burn 24 bit audio with Audio Dvd Creator.
Any dvd player will play these dvds.
It only works on windows pcs though.
24 bit can't be burnt on a cd.

[Edited on 2/23/2009 by fduane]

 
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Maximum Peach



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  posted on 2/22/2009 at 09:26 PM
The real movement in 24 bit audio is coming from download services. There's a few offering hi-rez audio. Mostly, audiophiles are just playing these files through software to a compatible DAC and then to their system. There are certainly some offering this on disk too, but the future seems to be in downloads and server-based systems.

Here's a few I know of - I'm sure there are more out there...

http://www.aixrecords.com/index.html

http://musicgiants.com/musicgiants/index.html

http://www.hdtracks.com/

http://www.linnrecords.com/

 

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  posted on 2/22/2009 at 09:31 PM
I'm fixing to do up the Warren show. I can send ya'll a copy If you like.
Send me a pm.

 
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Zen Peach



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  posted on 2/22/2009 at 09:38 PM
I trying to solve this problem too Ed

Toast will take 24 bit audio , but down samples to Dobly Digital.
I want to burn it as 24 bit 96Khz PCM to DVD so I can play it on
my Oppo player. I don't know the answer yet.


Quicktime will play 24 bit audio on your Mac.

 

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Zen Peach



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  posted on 2/22/2009 at 09:43 PM
quote:
quote:
yup. dvd audio. it won't play on a cd. It just sounds like hiss. You can play 24 bit on any computer or hard drive too.


So you have to burn on a 24 bit enabled burner and play back only on a DVD-Audio DVD player as well as any PC?

I guess what I'm saying is an ordinary CD player is useless to listen to 24 Bit Cds?

It's all so confusing....


Any DVD burner will burn 24 bit audio, don't need a special burner. It's how the Data is formated that
matters to the 24 bit players.

The best you can do on a CD is 20 bit HDCD, which just looks like any 16 bit CD to non-HDCD players

if you want to burn DTS, Dolby, or DVD-audio formats you have to burn with a DVD burner.

Some of these formats require licensing to use the format so A lot of software doesn't do all the formats.

Still looking for something for the MAC

 

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Zen Peach



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  posted on 2/22/2009 at 09:49 PM
Here is one for the Mac to burn 24 bit DVD-audio discs


http://www.videohelp.com/tools/discWelder

 

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Zen Peach



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  posted on 2/22/2009 at 09:54 PM
quote:
Here is one for the Mac to burn 24 bit DVD-audio discs


http://www.videohelp.com/tools/discWelder



Actually it works on Mac and PC.

you can download a free trial, don't know what all the trial can do yet.

 

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  posted on 2/22/2009 at 09:54 PM
You can use Audacity, which is a free, open source audio editor to convert to 16 bit, and burn like a normal CD. You may also have to change the sample rate, which may be higher than the normal 44.1 of a CD.

 

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Zen Peach



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  posted on 2/22/2009 at 09:56 PM
Ed

I think there may be a way to make toast burn true DVD-audio instead of converting it to Dolby,

looking into it now.


 

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  posted on 2/22/2009 at 10:53 PM
If you really want to burn 24bit audio source without reduce sample bits to 16, only DVD-Audio is applied.
And only software for Mac which is able to do DVD-Audio authoring is Discwelder Bronze and following is the link.

http://www.minnetonkaaudio.com/products/discwelder01.html


 

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  posted on 2/22/2009 at 11:17 PM
Like I said 24 bit audio-dvds can be made. These are not Dvd-audio discs
but audio only dvds in the standard video dvd format. They can be made
with 24/48 files or 24/96. They will play in any standard dvd player.
The sound is true 24 bit stereo and just the same as the sound on Dvd-audio discs.
I don't have a DVD-audio player so this is what I'm limited to.
Surely there is a Mac program to accomplish this. Your going
to pay some bucks for DiscWelder.
For windows use Audio Dvd Creator, a free program.

 
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Zen Peach



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  posted on 2/23/2009 at 01:03 AM
I found the answer on how to stop the automatic Dolby Digital downsample in Toast

http://kb.roxio.com/search.aspx?URL=/content/kb/Toast/000012T&PARAMS=se t-locale=en


quote:
Audio encoding options:

Audio Format: Choose Dolby Digital or uncompressed PCM. In almost all cases, Dolby Digital is the best choice. It uses less disc space, so you can fit more video on the DVD, and the sound quality is almost the same as PCM.
Data Rate: Choose the bit rate to encode the Dolby Digital audio. Higher bit rates can produce slightly better sounding audio, but use more disc space. Toast uses 192 kbps by default.
Dynamic Range Compression: Enabling dynamic range compression reduces the range between loud and soft sounds in order to make dialogue more audible, especially when listening at low volume levels.

PCM audio should be used if you want to maintain 100% fidelity and only if the audio source is already uncompressed PCM, such as tracks on an audio CD or a high quality audio recording. If the audio files are already compressed (such as MP3 or AAC songs in your iTunes library) do not use PCM - it will not improve the sound quality. Toast records PCM at 48 kHz / 16 bit levels, which is higher than standard CD quality. Audio that has been recorded at 96 kHz / 24 bit is downsampled automatically unless you choose the 96 kHz / 24 bit option, which maintains the higher quality but significantly reduces disc space. When you choose PCM, any existing Dolby Digital audio files will be "passed through" without reconverting to PCM.



So you can burn 24/96 PCM to a music DVD with toast versions 7 - 10.


 

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  posted on 2/23/2009 at 01:43 AM
What's the difference in sound quality between 16bit & 24bit?
Is it (very) noticable when played on a PC or on a normal HiFi installation (with DVD-player)?

 

Maximum Peach



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  posted on 2/23/2009 at 02:06 AM
quote:
What's the difference in sound quality between 16bit & 24bit?
Is it (very) noticable when played on a PC or on a normal HiFi installation (with DVD-player)?
Entirely dependent upon the source. You can't improve on something that didn't have higher quality to begin with. Unless it started out as a higher resolution recording, you can't make it better by just upconverting to something with greater bit depth.

 

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Zen Peach



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  posted on 2/23/2009 at 02:47 AM
seems to be a problem with Toast 9.0.4

I tried to burn the 24 bit copy of the Mule's New Year's eve show and toast crashes during the audio encoding phase.
didn't matter if I started with the flac, or converted .aiff or .wav

opened a ticket with Roxio Support.

At least I can Play them on my Mac, but I'd like to burn them and play on some better gear

 

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Zen Peach



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  posted on 2/23/2009 at 02:57 AM
to answer Ed's earlier question about playing 24 bit audio on the Mac.

Toast, Quicktime and Itunes will all play 24 bit audio on the Mac.

Only Toast can play from the .flac , the others require you convert it to .wav or .aiff.


 

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Zen Peach



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  posted on 2/23/2009 at 03:06 AM
quote:
What's the difference in sound quality between 16bit & 24bit?
Is it (very) noticable when played on a PC or on a normal HiFi installation (with DVD-player)?


the difference between 24 and 16 is quite apparent on modest gear. The resolution is much higher so complicated waveforms
with a lot of detail are reproduced more faithfully. Things like the human voice, cymbals, drums, acoustic string instruments
all sound much more crisp and detailed.

I once played Dylan's "Blood on the tracks" from the SACD /CD release (dual layer). FIrst the 16 bit CD layer
then the 24 bit SACD layer. The different was like nite and day
right off the bat. The drums particularly sounded so more life like.

I have tinnitus and I can hear the difference.




 

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Peach Master



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  posted on 2/23/2009 at 05:04 PM
I don't think SACD is 24 bit. It's not recorded with PCM, so I don't
think the concept of bit depth of the samples even applies. Technically I think SACD
uses a 1 bit sample with a sample rate 64 times a normal CD (64 times 44.1Mhz).

 
 


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