convolution with acourate fir filter
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20-06-2018, 21:52
Post: #11
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RE: convolution with acourate fir filter
(20-06-2018 07:27)simoncn Wrote: This feature can be used only when FFmpeg transcoding is in effect and this is supported only for the filetypes shown as input types in this section. Because wav isn't one of these input types, you can't use this feature with music stored in .wav files. You can use it for any other filetype that can be transcoded to wav. Simon, please accept my apologies for my earlier very poorly worded reply. I’ll attempt to be succinct with this one. Are you able to provide a way to invoke ffmpeg with a wav file? |
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20-06-2018, 22:03
Post: #12
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RE: convolution with acourate fir filter
I understood your question but my reply was perhaps unclear. This is not possible in the current version of MinimStreamer.
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08-11-2018, 18:22
Post: #13
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RE: convolution with acourate fir filter
Hi Simon,
is it possible to use a .dbl file instead of a .wav as filter-file? Thanks Claas |
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08-11-2018, 18:27
Post: #14
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RE: convolution with acourate fir filter
I don't know what a .dbl file is. The best way to find out if it works is to try it.
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08-11-2018, 18:35
Post: #15
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RE: convolution with acourate fir filter
(08-11-2018 18:27)simoncn Wrote: I don't know what a .dbl file is. The best way to find out if it works is to try it. A .dbl file is a filter file used by Brutefir as far as I understood. I tried this one in stream.options Code: convOut=-i /volume1/music/FHR-44.1.dbl -lavfi afir and got an error convOut incorrect for converter or sth. like this. |
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09-11-2018, 15:10
Post: #16
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RE: convolution with acourate fir filter
Hi Simon,
I could convert the dbl to wav using Sox. If I now enter Quote:convOut=-i /volume1/music/FHR-44.1.wav -lavfi afir into stream.options I still get the error message. Is there a special location (the one I'm using is on my Synology where MinimServer is running) where the wav filter files need to be saved to make them accessible to MinimStreamer? Thanks for a hint Claas |
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09-11-2018, 18:16
Post: #17
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RE: convolution with acourate fir filter
You might be using a version of FFmpeg that doesn't support these convOut options. As stated in post #8, you must be using FFmpeg 3.4.0 or later.
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09-11-2018, 18:32
Post: #18
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RE: convolution with acourate fir filter
(09-11-2018 18:16)simoncn Wrote: You might be using a version of FFmpeg that doesn't support these convOut options. As stated in post #8, you must be using FFmpeg 3.4.0 or later. Silly me. I just expected that the newest DSM has it. Sorry having bothered you. I installed FFmpeg from the Synology Community now, changed the path in MinimWatch and do not get an error anymore. Do I need to restart the server after having changed the stream.properties? Because I don't hear a difference even if I wait 40 seconds (AFAIK that's the RAM cache of a Linn streamer?) How can I control if the filter is really applied? Anything I can search for in the Trace-level log? |
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09-11-2018, 22:57
Post: #19
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RE: convolution with acourate fir filter
Perhaps the file you are playing isn't being transcoded by FFmpeg. What type of file is this and what setting do you have for the stream.transcode property?
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10-11-2018, 10:40
Post: #20
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RE: convolution with acourate fir filter
(09-11-2018 22:57)simoncn Wrote: Perhaps the file you are playing isn't being transcoded by FFmpeg. What type of file is this and what setting do you have for the stream.transcode property? It's a mono filter as wav file. Someone pointed me to the fact that it should only be applied to files being encoded in M/S format (mid-side). But I'm unsure if FFmpeg can detect this and thus doesn't do anything. Maybe I'll try a different (DRC) filter first. My settings are: alac:wav, dsf:wav24 |
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