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1
Other Lossy Codecs / How to add new modes in WMA 9.2?
Last post by MihaiPopa12346 -
How to add new modes in WMA 9.2?
Like THESE:
Quote
1. Windows Media Audio 9.2 - 56 kbps, 44 kHz, stereo 1-pass CBR
2. Windows Media Audio 9.2 - 16 kbps, 11 kHz, stereo 1-pass CBR
3. Windows Media Audio 9.2 - 8 kbps, 8 kHz, stereo 1-pass CBR
4. Windows Media Audio 9.2 - 40 kbps, 22 kHz, stereo 1-pass CBR
5. Windows Media Audio 9.2 - 44 kbps, 44 kHz, stereo 1-pass CBR
6. Windows Media Audio 9.2 - 40 kbps, 48 kHz, mono 1-pass CBR
Most WMA encoders couldn't do these 6 modes above. I need to change existing modes? Or to make new modes from scratch?
2
3rd Party Plugins - (fb2k) / Re: Library Tree Discussion
Last post by regor -
Quote from: kachidaze on
I switched from Facets to Library Tree recently and found an issue with my hotkeys, namely I've had play/pause bound to the spacebar and it's prioritized over typing in Library Tree's search function meaning I can't use any spaces in my search. The default search bars in foobar2000 and Facets let me type spaces normally without affecting playback. Is there a solution I just haven't found or do I just have to deal with it? Or any chance this could be changed in an update?
No, space hotkey will always be preferred over typing (unless I miss something, SMP doesn't block other hotkeys being applied, and this problem is present on all scripts).

But you can press Shift + Space and hotkey will be skipped. It will write the space fine on the panel too.
3
3rd Party Plugins - (fb2k) / Re: Dynamic Range plugin
Last post by NetRanger -
Quote from: Tropoje on
@Case Thank you for your work. Thousands of people who rip their CDs always include the output log from the Dynamic Range Meter plugin in their rips. For this reason they must have an old version of fbk2 installed (32-bit) with an old plugin. Could you add to the plugin an option to export the log in the format as we have known it for years?

Sample output log

It would be great if you would reconsider and add an log option for your DR Meter component @Case.
Used the 'Copy' function and pasted in the contents into a txt file and it was a mess. Not worth the time/effort to try and get a okey looking log file manually.

A log looking similar to the 'DR Meter Results' window would be great to get. The only thing thats missing imo is the track number infront of the track name.
5
Other Lossy Codecs / Re: TSAC: Very Low Bitrate Audio Compression
Last post by rc55 -
Quote from: neoOpus on
I had an idea, but I'm unsure if it's a viable solution to improve things further. What if we use a lossy codec with a proven track record to compress audio files, then compare the result with the original and extract the differences? We could then encode these differences using a codec like this to achieve a sort of lossless quality while reducing the required resource requirements and compression time associated with computationally heavy codecs like this one. I'm curious to know if this hybrid approach could lead to a versatile solution that offers the best of both worlds.

I don't think this would really benefit as ultimately you are creating a lossy file so the differencing / difference encoding pass doesn't make sense. I suppose stacking different technologies is a curious one, reminds me of SBR or switching between CELT/SILK in Opus depending on content.

Perhaps blending codecs would be an interesting idea - you could have 0-16khz covered by Opus or similar and anything above that covered by a trained NN model for less sensitive frequency ranges, much like how TSAC works. I'm not a domain expert on that though.
9
3rd Party Plugins - (fb2k) / Re: Library Tree Discussion
Last post by kachidaze -
I switched from Facets to Library Tree recently and found an issue with my hotkeys, namely I've had play/pause bound to the spacebar and it's prioritized over typing in Library Tree's search function meaning I can't use any spaces in my search. The default search bars in foobar2000 and Facets let me type spaces normally without affecting playback. Is there a solution I just haven't found or do I just have to deal with it? Or any chance this could be changed in an update?
10
Audio Hardware / Re: Continuously monitor Power Amp Input or Output to see if it is maxing out
Last post by fooball -
Whatever circuit you use, there can be an impact on the noise and THD figures.  A simple diode-and-capacitor (plus a resistor to gradually discharge the capacitor) peak voltage monitor arrangement will be stealing current from the load in a non-linear manner and needs to be buffered.

Typically, power amps with built-in clipping detectors (they light a LED just before the onset of clipping) compare the output to the speakers with a proportion of the output stage's voltage rails, because the main cause of clipping is when the amp runs out of voltage headroom.  The clipping circuit only cuts in when there is an imminent problem, so distortion hardly matters at that point.

It's not an easy thing to do as an add-on, you can get signal level meters sure, but how do you then calibrate what full scale should be?