[audacity4blind] Re: changing mp3 bit rate on export?
- From: William Brandes <geeksbygod@xxxxxxxxx>
- To: audacity4blind@xxxxxxxxxxxxx
- Date: Tue, 18 Feb 2014 14:50:12 -0500
our human ears might be the final arbitrater. i do have dropbox and 4
of my own servers along with coresponding domains. so i can put
anything on them for download. sound is a very opinionated area
witness this thread. william
http://www.gearslutz.com/board/mastering-forum/564762-what-bitrate-does-mp3-beat-fm-radio.html
again, the mp3 did not have to sound like a pbs broadcast. it was good
enough for the purpose. over one hour of talk. opinions and mileage
may vary.
On 2/17/14, Gene <gsasner@xxxxxxxxx> wrote:
> 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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>>>>>>
>>>>>> --
>>>>>>
>>>>>>
>>>>>> --------------------------------------------------------
>>>>>> 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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>>>>>>
>>>>>
>>>>>
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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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