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From: jeff w. <we...@ya...> - 2013-02-05 03:30:28
|
>From the Changelog: 0.21-19 Feb 2,2013 BUGFIX: warning on opening audio device incorrectly displayed pulse audio message when neither alsa or pulse audio was being used BUGFIX: Encoding to ogg or mp3 has always been broken, can only encode to once during GWC session. Fixed by using named pipe NEW: A simple front end for encoding to MP3s. Only a -V xx encoding option, but can have default artist and album tags now, and enter trackname when encoding the selection. Kind of klunky user interface, but it works. Enjoy! |
From: jeff w. <we...@ya...> - 2012-04-09 03:02:00
|
Many thanks to Brian Burch for the bug report on cdrdao toc file generation. Also thanks to quadrispro for the patch to create undo and *.gwc without exec permissions. Also, thanks to me :-) or not :-(, depending on your point of view, there was a pretty awful bug in using the alsa sound driver in 0.21-16, that slipped by as a side-affect when I was testing the pulse audio driver. Jame Tappin, I see you found problems with the install locations. It's been a while since I understood the details of how that all works, the configure script automagically assigns some prefixs for bin, doc, etc files. I may need to rebuild the configure script, but will have to dig around a little to figure it out. Enjoy, Jeff ________________________________ |
From: jeff w. <we...@ya...> - 2011-05-11 12:48:07
|
0.21-16 is released. After some research, I found a reliable way to make it work on the Pulse Audio/ALSA configuration which seems to be typical linux audio setup these days. I recommend you try to build it with the default configuration, which uses ALSA. Even when Pulse Audio is running, this configuration can still connect directly to the ALSA sound driver. Using ALSA is preferred because there will be less overall overhead (Pulse Audio ends up calling ALSA anyway), and the cursor tracking is a lot better in ALSA. If this works for you, please send a note back to the gwc-general mailing list. And, especially, if it doesn't work for you let me know that too! Cheers, Jeff |
From: jeff w. <we...@ya...> - 2011-02-01 03:26:48
|
Bugfix on the pulse audio driver. Pulse audio didn't indicate the output buffer was flushed, so GWC would sit indefinitely thinking audio was still playing and not allow any editing. Fixed that issue. Also, discovered (via user feedback :D) libsndfile cannot open wav files in Read/Write mode that have strings in the header (i.e. titles, songnames etc), so the error from libsndfile is now fed back to the user. Enjoy, Jeff --- On Sat, 11/20/10, jeff welty <we...@ya...> wrote: > From: jeff welty <we...@ya...> > Subject: [Gwc-announce] 0.21-12 released (alpha with Pulse Audio driver) > To: Gwc...@li... > Cc: gwc...@li... > Date: Saturday, November 20, 2010, 6:43 PM > I've noticed a few people with Ubuntu > having problems with GWC. > > I suspect it is something not right in Ubuntu's > configuration of gnome, but I could only guess. > > I have a netbook with ubuntu on it, and while I could > compile GWC, I couldn't make the sound > work using the ALSA driver. So I coded up the pulse > audio driver, and got that working > on my main workstation. I have not yet tried it on my > netbook, but here's GWC with direct > support for Pulse audio. Let me know how it works. > > I probably haven't got the configure script quite > right. Pulse audio is enabled by default > on this version. A "./configure" will attempt to find > the pulse audio development files. > On fedora, the package is named "pulseaudio-libs-devel", > I'm not sure what the equivalent > ubuntu package is named... > > Cheers, > Jeff > > > > > ------------------------------------------------------------------------------ > Beautiful is writing same markup. Internet Explorer 9 > supports > standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and > DOM L2 & L3. > Spend less time writing and rewriting code and more > time creating great > experiences on the web. Be a part of the beta today > http://p.sf.net/sfu/msIE9-sfdev2dev > _______________________________________________ > Gwc-announce mailing list > Gwc...@li... > https://lists.sourceforge.net/lists/listinfo/gwc-announce > |
From: jeff w. <we...@ya...> - 2010-11-21 02:43:14
|
I've noticed a few people with Ubuntu having problems with GWC. I suspect it is something not right in Ubuntu's configuration of gnome, but I could only guess. I have a netbook with ubuntu on it, and while I could compile GWC, I couldn't make the sound work using the ALSA driver. So I coded up the pulse audio driver, and got that working on my main workstation. I have not yet tried it on my netbook, but here's GWC with direct support for Pulse audio. Let me know how it works. I probably haven't got the configure script quite right. Pulse audio is enabled by default on this version. A "./configure" will attempt to find the pulse audio development files. On fedora, the package is named "pulseaudio-libs-devel", I'm not sure what the equivalent ubuntu package is named... Cheers, Jeff |
From: Jeff W. <we...@ya...> - 2006-02-09 04:58:04
|
I just put 0.21-05 up on sourceforge. There are several bugfixes -- many thanks to David Gesswein for finding them, notably if you have an audio file already open and then do a file->open operation the *.gwc file would get corrupted. Also I found a big bug in the Lorber-Hoeldrich denoising algorithm implementation. The bugfix makes the denoising result *dramatically* better. I've been using FFT_SIZE of 4096, reduction of 0.5, gamma of 0.95, Hanning-overlap-add windowing with Lorber-Hoedrich with great success. Also, a few configuration reports have come in about not finding libsndfile. Looks like some of the linux distributions are installing libsndfile as a binary package for you, but you'll also need the libsndfile-devel package to compile GWC. I modified the configure script to suggest that as well. Enjoy, Jeff |
From: Jeff W. <we...@ya...> - 2005-10-09 23:08:41
|
0.21-03 is up on sourceforge today. A few bugfixes. ALSA playback was improved (and hopefully OSS playback wasn't degraded). Thanks John Cirillo for noticing the playback problem. There is code for OSX, but as yet no formal mechanism for compiling/linking on OSX. Enjoy. Jeff |
From: Jeff W. <we...@ya...> - 2005-01-10 03:39:53
|
It's been a while since GWC got some overdue attention. Thanks to Robert Atwood for a fix to the audio playback hanging problem (which was better than my fix ;-) ) Thiemo Gehrke did some great work cleaning up config.in and Makefile.in (which were admittedly a mess). The amplify function can now mix from either channel, so if you have a dropout in one channel and it's more or less monophonic you can try to mix in from the other channel. I'm firmly convinced most people will look at the amplify dialog and say "HUH -- how does that work?". I slapped the dialog in place really fast and I'm sure the descriptive text (or lack of ...) could use improvement. Amplify also now can do a IIR (Infinite Impulse Response) lowpass filter. That was to solve my own problem where my monitor went into power save mode and I got a 14Khz "signal injection" into my audio file. Also to solve one of my problems I added some code to create pink and/or white noise. I am working on a project where I don't have and portion of the track with no true signal. I had wondered for a while if you could used artificially generated noise as an estimate for the actual noise present in the audio track. Based on my test here, I was pleasently surprised! It turned out for me that white noise was better than pink noise to estimate the actual noise. My other problem at the moment (on the some audio track), is there is a background hum that becomes audible after I remove the noise. So, I'm working on a way to specify which frequencies in the noise sample you want removed during denoising. I believe this can become an all-purpase lowpass/highpass/notch filtering mechanism using FFT as the basis. Rob Frohne has ported GWC to Mac/OSX. He sent me his work and it should be a small effort to merge the code. Happy new year to everyone. Let's hope for a peaceful planet in 2005. Cheers, Jeff -- From the changelog for 0.20-09: BUGFIX: Markers could be drawn at inappropriate places BUGFIX: Selection in areas with 2 markers w/in 10 pixels would jump to first marker. BUGFIX: Playing audio could freeze with change make in 0.20-08 BUGFIX: Makefile didn't recognize --prefix as passed to configure script. Thanks to Thiemo Gehrke CODE: Thiemo Ghehrke did nice cleanup on config.in and Makefile.in CODE: Can generate pink/white noise (useful if you don't have a good noise sample for denoising) CODE: Adding IIR lowpass filtering CODE: Adding left/right mixing functions to amplify CODE: Expanding the main window vertically now only expands the audio view, not the text at the bottom. -- thanks to joseph daly |
From: Jeff W. <we...@ya...> - 2004-08-03 02:05:28
|
I've put a new version on sourceforge. This only has configuration file changes (one small change to code to eliminate 4 warning messages). I hope this will configure/compile in a gnome2-only environment. I couldn't find any info for where the install should go, so if you look at the top of the Makefile you'll see the DATADIR,LIBDIR,PREFIX and SYSCONFDIR variables hard-coded. If anyone knows the proper way to handle those Makefile environment variables for gnome2, please help! Let me know how this goes... jw |
From: Jeff W. <we...@ha...> - 2004-04-10 18:53:05
|
This contains 2 bugfixes: 1) For the ALSA folks, setting the audio device wasn't working, now it should be. 2) When denoising with the hanning-overlap-add window function, and only denoising one channel, the other channel would be modified. That is now corrected. Enjoy, and let me know of any other problems. jw |
From: Jeff W. <we...@ha...> - 2004-03-06 19:27:15
|
This morning I posted a new release of GWC to gwc.sourceforge.net. I finally got around to porting GWC to the Gnome 2.x API. There are also new features from Frank Freudenberg. Rob Fair sent a patch for selecting your audio device. Lindsay Harris submitted a bugfix, which I hope will solve the segfault during denoise bug (essentially the denoise algorithm requested more stack memory than was allowed). I consider this a development release, but essentially nothing has changed from the previous release other than re-wiring the calls for the Gnome 2.x API, and the new features. Please report any bugs you find back to the gwc-general mailing list. Cheers, Jeff Welty |
From: Jeff W. <we...@ya...> - 2003-09-08 04:39:48
|
Fixed compilation bug in denoise.c for the case where you don't have the fftw 3.x libs, but have the older fftw 2.x libs. Now either of the fftw libs are working. (The newer libs are about 10% faster, based on my unscientific test). |
From: Jeff W. <we...@ya...> - 2003-09-03 05:01:43
|
A million thanks to Frank Freudenberg for providing the code to interface with the FFTW 3.x libraries! A bugfix (where declicking to the end of the file would sometimes crash), hopefully -- your reports are very useful... I started working on the online documentation. It is not complete, but it's getting there. You will need to do a "make install" as super user to get the online help functional. I'm also working on separating out the OSS sound driver dependent code into a audio_oss.c module. The libsndfile stuff will live in the audio_sndfile.c module. These are not implemented yet, but live in the source tree. Eventually, there will be an audio_alsa.c, and for those folks in OS X land, some other folks are going to start working on the audio API for OS X. Enjoy -- and keep those bug reports rolling in! Cheers, Jeff Welty |
From: Jeff W. <we...@ya...> - 2003-08-22 15:25:52
|
This release handles the OGG and MP3 encoding. It does not have direct dependecies on the lame and oggvorbis libs, rather it uses a commandline approach and pipes data to the commandline encoders. Pretty much all of this is the work of Charles Morgan (cmo...@ea...), so I hereby say 3 cheers for Charles' contribution to GWC. And if any of you know of IT jobs out there, Charles is looking so please pass along any leads you may have. I am really wanting to get reports back about configuration problems relating to libsndfile and fftw (I know this won't work with the fftw 3.x libs). Enjoy. Jeff Welty |
From: Jeff W. <we...@ya...> - 2003-04-09 15:51:33
|
For developers, there is gwc-lib, which is the first installment of the gwc denoising algorithm(s) in a library format. For users, there is bplay-0.992, which is the tried 'n true linux commandline bplay and brec, but this version (for brec) properly writes the size of the wavfile in the WAV header if you "Ctrl-c" the recording process. For users, there is also track_rec-0.03, which is a gnome app for recording with sound level meters. jw |
From: Jeff W. <we...@ya...> - 2003-04-08 02:44:49
|
Charles Morgan has submitted a patch to output a selection as an MP3. Kick the tires on this and see how you like it. jw |
From: Jeff W. <we...@ya...> - 2003-03-07 01:56:26
|
This is a beta release. No new features. 1 minor program bug and several configuration bugs squashed. 2 program bug reports still exist. I have not successfully duplicated the bugs, and I suspect they occur infrequently in the wild, but still am determined to squash them. jw |
From: Jeff W. <we...@ya...> - 2003-02-18 06:16:54
|
This is a development release, but as of yet no outstanding bugs are known... go get it at gwc.sourceforge.net Jeff Welty |
From: Jeff W. <we...@ya...> - 2002-12-27 04:35:39
|
This is a development release, but should be very stable. The main change is now there are up to 200 markers available. Check out the gwc_help.html file included with the tarball... Happy Holidays to everyone reads this! jw |
From: Jeff W. <we...@ya...> - 2002-10-04 04:08:38
|
Go get it at: http://gwc.sourceforge.net/ I just used this version to clean an entire LP with no problems at all. Please put this to the test! Jeff Welty |
From: Jeff W. <we...@ha...> - 2002-09-24 04:16:29
|
0.17-3 is available on gwc.sourceforge.net. I have deemed it an alpha release. The final binary appears to be quite stable, but I want to make sure the configure script is working appropriately for different platforms with the integration of libsndfile. There is a new windowing method, hanning-overlap-add, which seems to be the best yet. Use this with a denoise amount of 1.0, fft size of 2048 or greater and a gamma of 0.95 or so. If you have any problems, please report them back to me at weltyj AT yahoo.com. Jeff Welty |