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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Multimedia
Mhwaveedit
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aragon

Joined: 15 Oct 2007
Posts: 1698
Location: Germany

PostPosted: Mon 17 Aug 2009, 06:45    Post subject:  Mhwaveedit
Subject description: Audiofile-Editor
 

Home: http://gna.org/projects/mhwaveedit
Version: 1.4.21

Quote:
mhWaveEdit is a graphical program for editing, playing and recording sound files. It is lightweight, portable, user-friendly and handles large files very well.


Compiled in 4.31.

aragon
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mhwaveedit_NLS-1.4.21.pet
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Last edited by aragon on Mon 12 Sep 2011, 15:21; edited 4 times in total
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Flash
Official Dog Handler


Joined: 04 May 2005
Posts: 11156
Location: Arizona USA

PostPosted: Tue 01 Dec 2009, 23:40    Post subject:  

This works, and is fairly easy to use for something so powerful. I used it to record audio tapes and save them as mp3, although mhWaveEdit can save what it records in just about any audio format.
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Lobster
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Joined: 04 May 2005
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PostPosted: Wed 02 Dec 2009, 01:42    Post subject:  

thanks aragon

Always bugged me that clicking on launch mixer in mhwavedit - didn't
Now it does Cool
- hope this is used in Puppy 4.4 Smile

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mcewanw

Joined: 16 Aug 2007
Posts: 2348
Location: New Zealand

PostPosted: Wed 02 Dec 2009, 08:35    Post subject: how to record from soundcard with this?  

Flash wrote:
This works, and is fairly easy to use for something so powerful. I used it to record audio tapes and save them as mp3


Puppy 4.3.1 has Mhwaveedit v.1.4.16 on the official iso, but I can't see any menu item for "record". How did you record from your soundcard to mp3?

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aragon

Joined: 15 Oct 2007
Posts: 1698
Location: Germany

PostPosted: Wed 02 Dec 2009, 08:45    Post subject:  

mcewanw,

it's in the play menu, last point. F12 wont work as this is grabbed by jwm in puppy (main menu).

aragon

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mcewanw

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PostPosted: Wed 02 Dec 2009, 08:56    Post subject:  

I found it thanks.
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Flash
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PostPosted: Wed 02 Dec 2009, 09:31    Post subject:  

If you expand the mhWaveEdit GUI window to its full width, you should see a big red "record" button. Laughing

If all you want to do is record straight to mp3, there's Lobster's modification of this thing. I only just saw it. I haven't tried it so I don't know how well it works.
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aragon

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PostPosted: Wed 02 Dec 2009, 10:14    Post subject:  

flash, followed your link and would say that mcewanw eventually knows about that thing Wink
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mcewanw

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PostPosted: Wed 02 Dec 2009, 11:49    Post subject: lobster mods...  

Even funnier is Lobster's "mod" to my simple program. His mod actually came from a post I made earlier to him (i.e. he modified my program with code I gave him from elsewhere earlier... sigh...):

thread concerning my earlier program: arecord2lamegui:

http://www.murga-linux.com/puppy/viewtopic.php?p=141614&search_id=273950011#141614

Aug 2007, mcewanw wrote to Lobster wrote:

Here is the link:
http://jordilin.wordpress.com/2006/07/28/howto-recording-audio-from-the-command-line/
. . .
arecord -f cd -d numberofseconds -t raw | lame -x - out.mp3


I then gave Lobster some specific examples to which I got the reply:

Lobster, Aug 2007 wrote:

this worked OK and is very convenient - many thanks :)

Code:
arecord -f cd -t raw | lame -a -h -b 24 --nspsytune --resample 22 --lowpass 7 -x - out.mp3


what goes round comes around ... sigh ... :-)

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Flash
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PostPosted: Wed 02 Dec 2009, 12:03    Post subject:  

But if Lobster hadn't posted the mod, it wouldn't have become available to everyone. Sad
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mcewanw

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PostPosted: Wed 02 Dec 2009, 18:16    Post subject: feedback produces mods  

Flash wrote:
But if Lobster hadn't posted the mod, it wouldn't have become available to everyone. :(


Does anyone actually use my wreckedleg recorder? Had I known that and an appropriate piece of feedback been posted to the wreckedleg thread then I would no doubt have obliged and modified the single line of code required to make it work on Puppy 4 series. Of course, Lobster is free to add the mod himself, the program is GPL, but it is customary to ask the developer(s) if they will make changes or add features prior to modding programs. I provide most of the programs I develop for download from http://wiak.org/; if people modify my programs on murga forum without informing me then there is a danger of my 'official' downloads not having the mods - so "others" end up losing out.

Continued development relies on continuous feedback; that is the issue.

[instead, Lobster started a new thread and effectively "renamed" the program ("Dingo Record"), not that it matters to me; I just move on to do other things in such cases - I'm only revisiting audio recording now because I am planning an upgrade to Foksyfeyer accessibility suite for the visually impaired - or has Lobster already made a one line adjustment to that and renamed it in a new thread?]

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aragon

Joined: 15 Oct 2007
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PostPosted: Thu 03 Dec 2009, 05:55    Post subject:  

i think you're both right,

yes to Flash because only released mods are visible to the public.

and yes to mcewanw that it might have been easier/better to inform the creator about the mods, so that he could change the source if he thinks that the mods are important/correct/nice/whatever.

aragon

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Flash
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PostPosted: Thu 03 Dec 2009, 22:25    Post subject:  

Well I got a chance to try out precord. It is simple to use, works well and seems well-behaved (no unexpected behavior.) So I'd say that mcewanw got it right exept for the one mistake that Lobster "fixed" to make it work in Puppy 4 Wink

The resulting 44 kHz, 128 kbps mp3 file is probably stereo, which is wasteful if all I'm recording is just me talking into a microphone, and 128 kbps is much too high quality for recording my voice. Laughing . 22 kHz (mono,) 32 kbps would probably sound just as good, while producing files an eighth the size.

mcewanw wrote:
...Does anyone actually use my wreckedleg recorder? ...

I'd like to try using it (well, precord) to record an audiotape as mp3, but at the lower resolution described above. It appears from the source code here that the settings are compiled in and can't be changed without recompiling. Is that correct?
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mcewanw

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PostPosted: Fri 04 Dec 2009, 07:29    Post subject:  

Flash wrote:
Well I got a chance to try out precord. It is simple to use, works well and seems well-behaved (no unexpected behavior.) So I'd say that mcewanw got it right exept for the one mistake that Lobster "fixed" to make it work in Puppy 4 :wink:

The resulting 44 kHz, 128 kbps mp3 file is probably stereo, which is wasteful if all I'm recording is just me talking into a microphone, and 128 kbps is much too high quality for recording my voice. :lol: . 22 kHz (mono,) 32 kbps would probably sound just as good, while producing files an eighth the size.

mcewanw wrote:
...Does anyone actually use my wreckedleg recorder? ...

I'd like to try using it (well, precord) to record an audiotape as mp3, but at the lower resolution described above. It appears from the source code here that the settings are compiled in and can't be changed without recompiling. Is that correct?


I originally created two versions of wreckedleg: the original was a C program which called gtkdialog; the second was a bash program calling gtkdialog. I believe Lobster basically changed one line of code in the bash version (calling the result precord) because the underlying original recording program "sox" was not available in Puppy 4 series. Being thus in bash, precord is not compiled, so you can just change the line of code which calls up arecord and lame:

i.e. in a text editor, open precord, and look for the line:

<action>\"arecord -f cd -t raw | lame -x - \$DIRFILE &\"</action>

You need to change the parameters for arecord and lame to give the bitrate/quality you want. Trouble is, I don't know the exact parameters off the top of my head.

arecord --help
and
lame --help

and or the man pages for these.

need to be digested again! (it is two years since I really worked on this)

Actually, I'm currently working on a new audio recorder based on krecspk (something else I wrote), to also use arecord and lame and thus work in Puppy 4 series.

krecspk had a button which allowed you to increase or decrease the bitrate to what you wanted, so I'm planning to improve that facility. It also allowed choice of mono or stereo. I'm now also adding a pause button. The re-write is going a bit slow at the moment though, because I'm rusty on gtkdialog (it does all basically work, but I want to improve/change the interface). I'll post the program to the forum once it is finished though I'm not sure when that will be, because I'm in process of selling my house and busy with that.

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mcewanw

Joined: 16 Aug 2007
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PostPosted: Fri 04 Dec 2009, 07:49    Post subject: 22kHz 32 kbits/s mono with arecord ... | lame ...  

Actually the following seems to do what you want. It produces 22.05kHz, 32 kbits/s mono:

Code:
arecord -f cd | lame -b 32 -h -m m  - out.mp3


The resulting file size is roughly 4 kbytes per second of recording.

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