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Audio export Report and discuss the audio export feature |
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#1
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Audio export 3.0.6-130
Hi, guys:
Finally gotten a chance to do some work with the 130 beta. I have some questions about the audio export. 1: Why does it default to .mp3 export each time I call up the export feature -- even if I've just exported to .wav format a minute before? It should remember the last format. 2: I see that there are separate settings for playback and export gain in the Soundfont configuration box. Should they be separate or should it be a "what you hear is what you get"? I know the idea is to make adjustment for different Soundfonts, but I can see surprises with export gain being 'way too low (or too high) in comparison to what the user has been hearing. 3. Even with export gain at the default 54%, I am getting a lot of distortion in test exports. That suggests to me that the user will have to do a lot of back and forth between gain and export in order to get it right. I've had to reduce .wav export gain to 32% (with my system volume at about 40%) before I get rid of the distortion. It would be more work for you, I know, but may I suggest, rather than manual gain adjustment, an "auto-optimization" on export? Have the export function go through the playback (silently), find the highest level and automatically adjust the export gain to account for that. That would make it MUCH more user-friendly. If the user did not want to wait the extra few seconds, a check-box to switch the auto-optimization off before export could be provided. That's all I've got for a Sunday morning. David |
#2
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Re: Audio export 3.0.6-130
Hi David,
Thanks for your (always) thoughtful testing and feedback. I'll respond below. Quote:
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I believe the principle "what you hear is what you get" is simply not feasible because it strongly depends on the volume of the playing devices. A MP3 ear phone playe may have different volume that a player on a PC. The principle which I used was to keep the volume as high as possible but w/o any clipping. That is how the values were determined based on our standard soundfonts. The reason why the gain for the internal player and the export file is different is, the software is different. Internally we use our well approved internal player. For export I use fluidsynth which creates different volumes. Further, each different audio format has different parameters from different software libraries and need to be adjusted differently. [Sherry] I agree with Reinhold because I get quite a variety of volume levels on my different devices, and so it is really going to be up to the user to determine what levels work for them for the device(s) and filetype(s) they want to use. Quote:
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Thanks so much for your consistently excellent feedback! ttfn, Sherry
__________________
Music is to the soul like water is to green growing things. |
#3
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Re: Audio export 3.0.6-130
Thanks for your explanations, guys!
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