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Topic: How to edit Ogg files without quality loss? (Read 9000 times) previous topic - next topic
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How to edit Ogg files without quality loss?

If I use an audio editor like Goldwave or Audacity to edit an Ogg file, am I right that saving the edited file causes it to "transcode" and diminishes quality?

I think it goes:

Ogg > decode to WAV > edit > reencode to Ogg

Is there an editor out there that can natively edit the Ogg file and not put it through the decode/reencode process?

Thanks.

How to edit Ogg files without quality loss?

Reply #1 –
If you're talking about applying effects on the sound, all editing will involve transcoding, yes.

If you're talking about cutting and joining, the joining can be done by simply joining the files together. Cutting can be done with specialized tools, but they're not easily available now.

If you're talking about applying effects on small parts of the sound, I think Audacity for *nix can transcode just the bits that you edit, and cut and join the surrounding bits so that not all the file needs to be transcoded.

I'm not sure if that feature is available out of the box, or if it's available in Windows as well.

How to edit Ogg files without quality loss?

Reply #2 –
Thanks, yes, I'm just talking about cutting frames out of the Ogg track;  no effects.

I'll look around in Audacity for Windows to see if this setting is available.

How to edit Ogg files without quality loss?

Reply #4 –
Another newbie question. What about modifying the volume. Is there anything roughly equivalent tp mp3gain for vorbis?

How to edit Ogg files without quality loss?

Reply #5 –
Any info about changing volume ?

How to edit Ogg files without quality loss?

Reply #6 –
Vorbisgain ?

How to edit Ogg files without quality loss?

Reply #7 –
Quote from: Garf on
Quote from: vlada on
And the last question: Why is it possible to modify MP3 files to a different volume level, but I can't do this with OGG Vorbis? Is it really technically impossible in Vorbis?

It's technically possible, but difficult, and nobody could be bothered to write the software for it.

How to edit Ogg files without quality loss?

Reply #8 –
Quote from: Garf on
It's technically possible, but difficult, and nobody could be bothered to write the software for it.


Thanks for the info igold, that was exactly the question I was asking.


So what's the deal with vorbisgain then? Replaygain in foobar already works perfectly for vorbis files. Is there any point to using vorbisgain if replaygain already does the same thing?

How to edit Ogg files without quality loss?

Reply #9 –
Not everyone in this world uses foobar2000, therefore a separate ReplayGain scanner to calculate the gain for Vorbis files is needed - one like VorbisGain.

How to edit Ogg files without quality loss?

Reply #10 –
Yes, especially for *nix world and scripting.

How to edit Ogg files without quality loss?

Reply #12 –
BTW, anybody know why Xiph.org didn't include vorbisgain in vorbis-tools package? ReplayGain for Ogg Vorbis is the standard de facto...

How to edit Ogg files without quality loss?

Reply #13 –
Ok I think I've hot it now . Vorbisgain works just like like replaygain for ogg and you choose which one to use based on player support. Some players might support vorbisgain, some players might support replaygain and some might support both.

How to edit Ogg files without quality loss?

Reply #14 –
Quote from: uart on
Ok I think I've hot it now  . Vorbisgain works just like like replaygain for ogg and you choose which one to use based on player support. Some players might support vorbisgain, some players might support replaygain and some might support both.


No. VorbisGain is simply the program's name. It sets the tags according to the ReplayGain standard, i.e. it's exactly the same like foobar2000's ReplayGain scanner. Player support doesn't differ between both scanners, because there's no difference at all.