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3
General Audio / Re: Windows Media Player Plus
Last post by john33 -
Quote from: nb666 on
Why is it that for videos in the mp4 format, some can be played normally, while for some others, only the sound can be played but the picture cannot be displayed after opening? Are there any solutions to this problem? Or are there any other plugins that can solve this problem?
The short answer is that mp4 is a container and not a format. Whether your media player, whatever one it is, can play the video depends on whether it contains a decoder for the video format contained within the mp4 file. MPC-HC, VLC, Kodi, and others will play most all video formats whereas the Windows Media Player has required plugins for certain formats.
4
General Audio / Re: Windows Media Player Plus
Last post by Tim De Baets -
Sorry, but your question is completely unrelated to Windows Media Player Plus. It looks like you created a separate post that was then merged with this topic. I'm not sure why it was merged though.
5
AAC / Re: QAAC on Windows 11
Last post by nu774 -
qaac has always been using callback-based I/O when it's available, in order to support Unicode path names of Windows OS.
However, qaac did basically nothing for optimizing I/O itself (such as buffering or caching).
qaac has been just directly passing through I/O request from libraries to OS, which turned out to be suboptimal especially for CoreAudio decoders.
Now I'm rewriting I/O layer for input, and it seems that difference can sometimes be tremendous when I/O is very slow (say, when input file is over the network). Otherwise, it is not so visible.
When it's done I'll publish it as the next release.
6
General Audio / Re: how to apply Dolby on a wave file?
Last post by Porcus -
Though I am not so sure I agree with the criticism on necroposting lately - if a thread is the source of information, then new audiences should likely read it - but the author of that eighteen-year old reply hasn't been logged in for a couple of years.

(But I have to admit that when I see such old threads brought up, I often suppose it is a bot.)
9
General Audio / Re: how to apply Dolby on a wave file?
Last post by DVDdoug -
Quote
As far as I remember (long time since I used tapedecks) there is a certain level above which Dolby kicks in.
And that's the problem.   There was a Dolby calibration level. There were calibration tapes with a "Dolby tone" for calibrating the decoding.   I think some studio tapes had a Dolby tone at the beginning (presumably Dolby C) so that level would have to be known so the studio could put it on the tapes.    (I don't know how the recording calibration was done.)   

Since there is no fixed calibration between tape-level and dBFS (digital) you'd need to record the Dolby calibration tape from the particular tape machine being used to get a dBFS calibration level.

The patents are expired but I don't know if the specs/details were ever published. 
10
3rd Party Plugins - (fb2k) / Re: Skip track + Waveform minibar : can't play before starting point when clicking
Last post by regor -
There have been so many changes that yep, that was clearly a bug, from a time when then component was not forced as DSP. It had nothing to do with waveform seekbar nor any seekbar thing.

You may request it as a feature though, although I am not sure why. You may disable skipping at playback main menu in those cases you need it.

Also double check you were not using bookmarks (?); I think you may do the same by setting a bookmark at an specific time (the part you want to skip). But that doesn't stop you to seek to any time, thus allowing to play the "skipped" part. i.e. you tell foobar to preferably start playback for the track at 1:20 instead of skipping anything before 1:20 (which should not be overridden by anything).