[audacity4blind] Re: changing mp3 bit rate on export?
- From: "Gene" <gsasner@xxxxxxxxx>
- To: audacity4blind@xxxxxxxxxxxxx
- Date: Mon, 17 Feb 2014 16:12:39 -0600
128 isn't anywhere near FM quality. I'm not stating that as my opinion.
It is agreed by those who are knowledgeable on this subject and who are
audiofiles or work with audio [professionally. 128kbps is often used when
inferior small speakers are being used for listening or when small wlakman
like headphones are used. When listened to with good reproduction
equipment, 128kbps files do not have a full bodied sound. they sound
smaller than is desirable.
It is debated whether the human ear can hear the difference between
256kbps and CD quality and 320kbps and CD quality. It is also debated
whether the human ear can hear the difference between 256 and 320kbps when
compared with each other. But it is not CD quality. Even 320kbps is not
CD quality. Whether the human ear can hear the difference or not,
technically no mp3 file is CD quality because Mp3 is a compressed format.
I'm talking about stereo files, not files recorded in the monaural format.
In the monaural format, you get roughly the equivalent sound at half the
bit rate when compared with a stereo or joint stereo file. thus, a 64kbps
monaural format file would sound approximately equivalent to a 128kbps
stereo format file. 16kbps may sound alright to you. I don't recall
seeing anyone else ever saying it is acceptable or even sounds ok.
I understood that you intended to send the file by e-mail. I responded by
saying that these days, As I said in my original message, sending files as
attachments that are at all large is anachronistic. People send files
using Drop Box, Sky Drive, or other file sharing methods that are at all
large.
Also, I should add that I saw a message from a list member earlier today
discussing variable bit rate settings. I'm not agreeing or disagreeing
with that message. I haven't looked into variable bit rates. I'm
discussing what I've read about and I've read almost exclusively about
fixed bit rate quality.
Gene
----- original Message -----
From: William Brandes
Sent: Monday, February 17, 2014 12:03 PM
To: audacity4blind@xxxxxxxxxxxxx
> the operative term was that i wanted to send by email. actually the 16
> bit rate sounds ok. although, i normally would use 32 or 64 bit rate.
> 128 considered fm quality. 256 cd quality. william
>
> On 2/17/14, Gene <gsasner@xxxxxxxxx> wrote:
>> the goal, to allow an audio file to be sent buy e-mail, is years,
>> perhaps
>> a decade, behind the times. With Drop Box and other ways of very easily
>> sharing larger files available, trying to cram a recording into an
>> e-mail
>> attachment size limit is really anachronistic. 16kpbs sounds just plain
>> terrible. I would not go below 32kbps for voice. That's 32kbps
>> monaural.
>> I would not go below 128kbps for music, that's 128kbps stereo or joint
>> stereo.
>>
>> Gene
>> ----- Original Message -----
>> From: Dang Manh Cuong
>> Sent: Monday, February 17, 2014 12:28 AM
>> To: audacity4blind@xxxxxxxxxxxxx
>>> Hi William
>>> Your settings would make the file size very small, but may be, it will
>>> make
>>> the sound quality very bad. If you record something like podcast, you
>>> should
>>> export it at mp3 variable bitrate usign the folowing step
>>> Ctrl+shift+e open the export dialog
>>> Alt+o option dialog.
>>> From the mp3 export setup choose variable.
>>> From the mp3 export setup quality choose from 4 to 6. The lower number
>>> the
>>> smaller file size. I usually choose 5.
>>> See this link for more info
>>> http://theaudacitytopodcast.com/06
>>> If you have iTunes installed, I recommend you to export your recorded
>>> file
>>> to wave, and use iTunes to convert it to mp3.
>>> See this link to know how to do it:
>>> http://www.spreaker.com/user/dangmanhcuong/create-mp3-file-using-itunes-and-jaws
>>> remember: if your recorded file doesn't require anything related to
>>> stereo,
>>> you should convert it to mono and convert to mp3 using iTunes. The file
>>> size
>>> would be reduce a half.
>>> Cuong
>>> ----- Original Message -----
>>> From: "William Brandes" <geeksbygod@xxxxxxxxx>
>>> To: <audacity4blind@xxxxxxxxxxxxx>
>>> Sent: Monday, February 17, 2014 11:36 AM
>>> Subject: [audacity4blind] Re: changing mp3 bit rate on export?
>>>
>>>
>>> i record with my mp3 recorder at 128. that is because it works well
>>> for a voice and music mix. but, in this case i recorded a one and
>>> one-half hours webx cast of audio with audacity and wanted to reduced
>>> the file so that it could be sent by email. i chose 16 bps since it
>>> was all voice and voice sound good at that rate. william
>>>
>>> On 2/15/14, Jacob Kruger <jacob@xxxxxxxxxxxxx> wrote:
>>>> Yup, and, remember that generally bitrates are just that - kbps =
>>>> kilobits
>>>> per second, and not kilobytes per second.
>>>>
>>>> Stay well
>>>>
>>>> Jacob Kruger
>>>> Blind Biker
>>>> Skype: BlindZA
>>>> '...fate had broken his body, but not his spirit...'
>>>>
>>>> ----- Original Message -----
>>>> From: "Alexander Masic/SuperSnyggingen!" <list@xxxxxxxx>
>>>> To: <audacity4blind@xxxxxxxxxxxxx>
>>>> Sent: Saturday, 15 February, 2014 9:46 PM
>>>> Subject: [audacity4blind] Re: changing mp3 bit rate on export?
>>>>
>>>>
>>>>> It depend. lower rate means taht you get a smaller files but louse in
>>>>> quality, higher rate means you get a better quality but bigger files.
>>>>> But
>>>>>
>>>>> of course you are not able to afterwods improve the quality by set an
>>>>> higher rates but you can do the oposit.
>>>>>
>>>>>
>>>>> don wardlow skrev 14-02-15 20:38:
>>>>>> I never change the rate. Does it make a huge difference if you do?
>>>>>> I keep it at 128
>>>>>>
>>>>>> Please check my web site below and see what audacity hath wrought.
>>>>>> Don
>>>>>> http://www.boxingonmp3.com
>>>>>> where the good boxers have gone
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: audacity4blind-bounce@xxxxxxxxxxxxx
>>>>>> [mailto:audacity4blind-bounce@xxxxxxxxxxxxx] On Behalf Of William
>>>>>> Brandes
>>>>>> Sent: Saturday, February 15, 2014 11:01 AM
>>>>>> To: audacity4blind@xxxxxxxxxxxxx
>>>>>> Subject: [audacity4blind] Re: changing mp3 bit rate on export?
>>>>>>
>>>>>> it's the options link. great. thankyou. thankyou. thankyou ...
>>>>>>
>>>>>> On 2/15/14, Jacob Kruger <jacob@xxxxxxxxxxxxx> wrote:
>>>>>>> In export dialogue, tab twice after save button, and there's
>>>>>>> options
>>>>>>> button - that's how I've always brought up dialogue to set it.
>>>>>>>
>>>>>>> Stay well
>>>>>>>
>>>>>>> Jacob Kruger
>>>>>>> Blind Biker
>>>>>>> Skype: BlindZA
>>>>>>> '...fate had broken his body, but not his spirit...'
>>>>>>>
>>>>>>> ----- Original Message -----
>>>>>>> From: "William Brandes" <geeksbygod@xxxxxxxxx>
>>>>>>> To: "audacity4blind" <audacity4blind@xxxxxxxxxxxxx>
>>>>>>> Sent: Saturday, 15 February, 2014 8:50 AM
>>>>>>> Subject: [audacity4blind] changing mp3 bit rate on export?
>>>>>>>
>>>>>>>
>>>>>>>> i have the newest version. knew where it was with older version,
>>>>>>>> but
>>>>>>>> can't figure how to change the rate for a file on export (such as
>>>>>>>> 128
>>>>>>>> kbs). thanks. william
>>>>>>>>
>>>>>>>> The audacity4blind web site is at
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>>>>>> -----
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>>>>>
>>>>> --
>>>>>
>>>>>
>>>>> --------------------------------------------------------
>>>>> Alexander masic
>>>>> Östanväg 6
>>>>> SE222 28 Lund
>>>>> TFN: +46 (0) 70 999 74 74
>>>>> E-post: a@xxxxxxxx
>>>>>
>>>>>
>>>>> The audacity4blind web site is at
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>>> -------------- Dang Manh Cuong HCMC University of Pedagogy: The
>>> Educational
>>> Psychology Mobile: +84 902-572-300 E-mail: dangmanhcuong@xxxxxxxxx
>>> Yahoo!
>>> ID: manhcuong0312 Skype name: dangmanhcuong facebook:
>>>
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>
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