Audio Quality help

I use these setting when import my cds to iTunes.
Mp3 encoder
Stereo bit rate:192 and use VBR
sample:Auto
Channels:auto
Stereo mode:joint stereo
Smart encoding:on
Filter frequencies:on
use error correct:on
Thats what I use. I want to learn if that is good. I don't know a lot of sound settings. I'm lead to believe that you can compress down from mp3 to AAC but not the other way around. These are settings that a friend gave to me.
He told me that any stereo bit rate higher than 192 doesn't make much of a difference. But that 192 is a lot better than 128.
You guys have links to some simple good sites that i can learn about file types etc?
I don't really care too much about sapace on my drive. i know mp3 take more room than AAC. just trying to learn some about audio quality.
Thanks

About the MP3 encoder settings you listed: It may be worth noting that the iTunes MP3 encoder is not among the best MP3 encoders you could use. I don't believe it's been updated in years, while development of LAME continues to flourish, producing better and better results. Also, I've read some listening test results in the past suggesting that the iTunes MP3 encoder is especially bad when used in VBR mode.
On the contrary, the iTunes AAC encoder is stellar, except that it doesn't allow for gapless playback in other players. For this reason, I prefer to use Nero's encoder for AACs on my PC.
Whether or not you care about gapless playback (possible on a Mac with Cog), you still might consider encoding some files with LAME. A great way to do this is to use Max.
A final note is that properly encoded LAME MP3s produce results on par with AAC at the same bit rate, so in the case of LAME, the hype about AAC @128kbps sounding as good or even better than MP3 @160kbps simply isn't true. However, it is true when you do a side-by-side comparison of MP3s and AACs encoded with iTunes.

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Check and see if it you need to update your audio drivers and check their settings. You can check this out via the device manager in control panel. I'm not familiar with this specific model but with mine if you plug in a headphone jack it will bring up the dolby/reltek audio manager. See what kind of quality it's on and whether or not you can put it on stereo, then check your EQ's, bass, that kind of thing. Try having a CD or something going while you do it so you can hear the differences and set it to your liking. If it doesn't come up with the manager try typing in either audio or sound into your start menu's search bar and see what it gives you.
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Link to thread discussion here, fix listed below -
ISSUE:
A previously applied HP Slate 21 Kit Kat Update (Android 4.4.2) over the air (OTA) update may have caused issues with audio quality or wireless LAN connectivity.
Audio Quality: Bass response will be poor. Audio will play but bass frequencies will be lacking.
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I work for HP, supporting the HP Experts who volunteer their time and technical knowledge to help others.

Pebbles65,
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Hey @S_Thomas ,
Welcome to the HP forums.
I understand you're experiencing issues with audio quality on your Slate 7 Voice Tab after updating to KitKat.
How to check for system updates:
You must be connected to the Internet to check for updates. Use the following steps to check for system updates on your tablet.
1. On the Home screen, touch the All apps icon, and then touch the Settings icon.
2. In the System section, touch About tablet.
Figure 1: About tablet.
3. Touch System updates.
Figure 2: System updates.
4. Touch Check now.
Figure 3: Check now.
5. Install any available system updates.
If no updates are available, or updates do not resolve the issue try the following.
Clear all cache on the tablet: Settings > Storage > Cached Data. You should have the option to erase all the cached data here.
Hard reset: While the tablet is on, press and hold the power button for 8+ seconds to force shut down. Turn the tablet back on and see if that helps.
Factory reset: Make sure you backup any important files or information first. Settings > Backup & reset > Factory data reset.
If this fails to resolve the issue please call our technical support at 800-474-6836. If you live outside the US/Canada Region, please click the following link to get the support number for your region: Phone Assist Worldwide.
Thanks.
Please click the "Kudos, Thumbs Up" at the bottom of this post if you want to say "Thanks" for helping!
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swarup_s wrote:
Hello friend @lbrou87 I'm not hear to debate about the issue unless you are a Hp Support people (Which I think you are not). And I have explained everything in my previous replies then why are you asking absurd questions. This was my 2nd laptop after 7 years and I'm using 1st time a HP laptop. I could have gone with my previous brand laptop of DELL . I chossed Hp to try a new brand. I could have gone with purchasing DELL. If I pay a premium price for this hp model then why I'm getting a great featured laptop which gives me a low audio output. What you said in your reply HP don't want to update the technology in the drivers which make Hp customers to buy external speakers. Then what more I can say!!!... I'm really unsatisfied. The Hp support if they can't say anything then who should I go and ask. (sorry friend @lbrou87 if I'm being rude to you in this reply)
I was just trying to help. I've been through this with HP Support before with a similar issue. I though the premise of a forum was not only for HP's representatives to help, but other forum members as well. But, since you want to be rude and obnoxious to someone that only wants to help, I'm done with this thread. Wait for HP's representatives for help. Good day sir.

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Further to my last post, can ya'll PLEASE help me get the bottom of this? I have heard so many different opinions & need to resolve ASAP....
What pref' settings will give me the VERY BEST audio quality, when importing original audio CD's into iTunes 4?
File size is of no issue (I have TONS of storage). I aim to import all at the highest quality possible (files need to be "broadcast quality" - for playing through a big PA system). I have been advised to either.....
1. Import using the AAC encoder at a stereo bit rate of 320 kbps with a sample rate of 48.000 kHz.
2. Import using AIFF (lossless uncompressed).
3. Import using Apple Lossless (lossless compressed).
WHICH ONE SHOULD I USE? Bearing in mind that the files will be played LOUD through a professional PA system & I'd prefer the crowd not to notice a significant diference between iTune files & orginal audio CD's (I will be spining both, side by side).
Cheers - Sweetamix.

You are finding out that the answer to this question tough. Everyone has their own opinion on this one.
I saved the responses to a topic I opened six months ago on this same subject. I saved them and cut and pasted them into one document. Here were the answers I received. Good luck. bob
Subject: Re: Classical Music & Bitrate
Date: Sunday, June 26, 2005 11:12 PM
To: <[email protected]>
RE: Classical Music & Bitrate
My experience with classical music (and music in general) is that the higher the bitrate, the better the quality and richness of the music. On the other hand, there is a limit to how much distinction your ears can make, and I think that anything above 192 kbps (mp3 format) is not significantly better (and not worth the larger file size). And in terms of volume adjustment, I personally have not found any need for it.
RE: Classical Music & Bitrate
I copied the same CD to my computer in 128, 160, 192, and 320 bitrates, and I couldn't tell a difference between any of 'em. I was listening to them with Grado SR60 headphones too.
RE: Classical Music & Bitrate
I’m sure you will get several if not many responses. You may also find they vary with the preference of the individual. However there are some rules of thumb. Generally speaking I think you will indeed find the higher the bit rate brings you closer to the CD sound.
Certainly, 32-bit rate does not offer very good sound quality. Actually going from 32 to 320 should have been noticeably better, if not…. Then you’re in good shape. Because what you don’t know is there, can’t be missed.
Also, the bit rate is only part of the equation. What format codec <http://docs.info.apple.com/article.html?artnum=51910> are your songs ripped to.
Consider the following - iPod: About compatible song formats
<http://docs.info.apple.com/article.html?artnum=61476>
MP3 (from 32 Kbps to 320 Kbps)
MP3 Variable Bit Rate (VBR)
AIFF
WAV
M4A AAC
Apple Lossless Encoder
It sounds to me as though your songs may be in MP3 format. As a suggestion you might try ripping your CD’s to 128 AAC format. The general consensus is that AAC is better than MP3. Give it a shot…for the heck of it, and see what you think.
Finally in the end…..it matters little what we all might think….If you think your sounds are better ripped at a MP3 320 bit rate……Great. If not…experiment, and play around till you find what sounds wonderful to you!
RE: Classical Music & Bitrate
Sorry for taking so long to get back to this thread: had two twelve-hour work days in a row.
I did a Get Info on a typical piece in my iTunes and got this
Kind: AAC Audio File
Bit Rate: 128kb (have some at 192 & 2 or 3 at 320)
Sample Rate: 44.100 kHz
Profile: Low Complexity
Channels: Stereo
Volume: +2.3
I was troubled that one responder couldn't tell the difference among 128, 160, 192, and 320 bitrates even using Grado SR60 headphones!
And another seems to be of a similar opinion when he says that I think that anything above 192 kbps (mp3 format) is not significantly better (and not worth the larger file size). Does this apply to AAC format, too?
However, I am going to continue to add tunes at the 320 bitrate - for a while - because I swear that I can tell a difference when I play them over my car radio via the cassette adapter.

Audio Quality

Hey folks,
We've got a client who is looking for better audio quality than we've previously been able to get out of LCCS. Looking into it a bit, it looks like the Flash microphone class has two main quality settings: encodeQuality and rate. The MicrophoneManager allows you to set the encodeQuality (although it seems to default to the max: 10 (~42kbps)) but not the sampling rate, which defaults to something like 8 or 11 kHz. Is there a reason for this? Would it be a particularly bad idea to up the sampling rate on the mic manually if we'd like to improve audio quality?
Also, in the Flash Microphone class documentation (http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/media/Microphone. html) it looks like the rate can be set to 5, 8, 11, 22, 44 kHz. Another article I found on audio capture (http://help.adobe.com/en_US/as3/dev/WS5b3ccc516d4fbf351e63e3d118a9b90204-7d1d.html) seems to suggest that those settings are available with the Nellymoser codec only, and that the SPEEX codec, which is recommended for LCCS, can only do 16 kHz sampling. Was wondering if that article might not be a bit outdated and if we might not be able to set the rate to something higher (the wikipedia entry on SPEEX seems to suggest that it can handle 32 kHz).
Our client was hoping for relatively high grade audio quality - I believe he wanted, in an ideal world, something like 44kHz sampling frequency and 96kbps bitrate. I don't know if these values are possible, but I'd hope that we can improve the audio quality to some degree.
Do you have any suggestions on how to produce higher quality audio from LCCS? Are there any other factors in the audio quality that I'm neglecting? Any help would be greatly appreciated.
Thanks,
Davis

like this....
                    private var audioCodec:String="Nellymoser";
                    private function onTimerComplete(p_evt:TimerEvent):void
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Even if I apply the codec this way: <rtc:AudioPublisher id="audioPub" codec="Nellymoser"
when a new user enters or leaves the room the audioPub.codec switch to Speex. To correct this, I can reapply the codec and also setSilencelevel but the audio stream will be stopped for 1 or 2 sec.

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My problem is that the audio quality on my stero system is horrendous (i.e. unlistenable). It sounds like I'm listening to a radio broadcast from way out of range.
Here's the odd part - the connector cable to my stereo works fine with other audio devices (i.e. my iPod) - and the Airport Express works fine with just my headphones. So, there is no problem hooking into the stereo and no problem with range or communication between my iTunes, network and the Airport.
I think this issue problably has something to do with the levels from the Airport unit into my stereo, but I don't know exactly what my next move should be. The only thing I'm quite convinced about is there must be a very simple answer to this problem which has had me pulling my hair out for hours now.
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Hi cozmocramernyc,
I am glad it works.
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5"audio quality" Audigy 2 vs. Nforce onboardS hi everyone,
i bought myself an old Audigy 2 from Ebay a week ago, hoping i can increase my fps ingame on my old 2200+ computer.
i really felt the increase, especially in Doom 3. But today i threw out the Audigy again.
the bass from my subwoofer (teufel concept e mpe) is sooooo weak (in games and winamp) and sounds like a cheap passi've subwoofer.
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i set the frequency for subwoofer to 20hz, increased the volume of the subwoofer, changed the equalizer.
but it just sounds like a passi've sub and "cheap". (sry my english isn't good enough to find fitting adjecti'ves)
can anyone help me with that? does anyone have the same problem?
thanks in advance.

Meocene wrote:
If you used the auto update function you're probably already using the latest drivers. However if you didn't then definately install Dan K's pack - they're the best drivers currntly available for the Audigy 2. You'll want to uninstall the previous drivers, then do a clean up using Driver Sweeper beforehand though - Creative's drivers can be problematic
The problem with the Audigy 2 is that its analog output quality isn't especially good anymore, when compared to newer devices - even onboard. This is demonstrated when and if you swicth over to use Dolby Digital Li've.
I'm assuming the sound quality improvment I got has got to do with the fact that when using DDL, the Audigy's DACs and other analog components are skipped because the audio signal is being sent straight out, digitally, to my reciever.
The audio quality improvement I got was huge, to the extent that, eax/gaming aside, I can't actually hear the difference between an X-Fi and my Audigy anymore. Before using DDL li've the difference was obvious.
It may simply be that your nForce's analog output is of a higher quality.
Analog quality aside though, the Audigy 2 is still the better device, or at least the more capable. It really depends on whether or not you're a gamer I suppose.
If you've got a digital reciever then try the DDL pack and connect your Audigy to your reciever using the digital output.
If not, and you're not a gamer, then I'd stick with your nForce if that sounds better? < - this being advice I'd imagine you must find rather anoying.
Message Edited by Meocene on 08-0-2009 03:5 AM
thanks for these informations.
unfortunately i can't use DDL, because i don't own a receiver.
music is at the moment the more important thing, i'm gaming about 4 hours a week.
i'll keep the audigy though, maybe i'll rebuild an old 3000+ system i still have. (the sound THERE really sounds crappy)
thanks for all answers and your help!
EDIT: does the usual audigy 2 driver panel look like this: http://www.hartware.de/showpic.php?type=review&id=606&path=/media/reviews/606/xfi_screen_thx_big.jpg
it's a screenshot from an x-fi card.
mine looks different!
Message Edited by chackachacka on 08-0-2009 0:33 [email protected]

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DV

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...Perhaps i am doing something wrong now...or are some Adobe settings being changed like crazy without my aknowledge (or something) ?
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Intel i5 2500K
660GTX Ti OC 2GB (GIGABYTE/Nvidia)
8GB DDR3 1333Mhz
Windows 7 64bits Home Premium
250GB SSD
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Yes...
I also just recently purchased a MacBook Pro retina 15 (mid-2014) with bootcamp (windows 8.1) installed. While using my windows partition, the MBP seems to be running a bit hot, at least hotter than the OS X partition.
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I have a FLV playing in my SWF and when viewed locally in Flash or just in the Flash player by clicking the file on my desktop the file plays fine with decent quality audio.
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The difference is quite noticeable, is there any reason for this?
Thanks

Thanks for helping, I really appreciate it.
No it just lowers in quality. It plays fine though no stuttering.
When I play in Flash its fine but when I play over the web in sounds really tinny and poor quality.
This site is using the same FLV as mine, I know because I've downloaded it from their website and there's sounds fine, this is how mine sounds in Flash.
http://sleeptolive.com/
Now listen to the same FLV on my website. Can you hear the difference?
http://www.qwerty-design.co.uk/bensons/sleepToLiveIntro.html
Like I say when I listen to this in Flash in sounds great, really good quality, as soon as I upload its sounds different.
Thanks
Richard
Ps
This is the FLV I'm using:
http://files.getdropbox.com/u/508261/sleepToLiveIntroMovie.flv

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