What is Audio High Fidelity engine?

General discussion about PS3 Media Server (no support or requests)

What is Audio High Fidelity engine?

Postby Nes » Sun Jan 17, 2010 6:32 pm

And how can we use it if it has advantages over FFmpeg and MPlayer (I'm on Linux)?

Thanks,
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Re: What is Audio High Fidelity engine?

Postby shagrath » Sun Jan 17, 2010 8:38 pm

it's just for playing native 96bits/24kHz FLAC files on the ps3, nothing related with a better audio quality for regular music files
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Re: What is Audio High Fidelity engine?

Postby Nes » Sun Jan 17, 2010 8:51 pm

Thanks shagrath.

What triggers it? Do I need any config changes or install extra packages (I'm on Linux)?

Reason I ask is that I tried to play some higher resolution music, but everything is re-sampled to 16-bit/48kHz. See also my post about re-sampling here: viewtopic.php?f=6&t=5236. I would love to play my higher resolution FLACs through PMS natively.

Many thanks!
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Re: What is Audio High Fidelity engine?

Postby shagrath » Sun Jan 17, 2010 8:53 pm

yes actually everything is resampled to 44 or 48kHz (you can change this setting on the latest beta, see the TranscodeAudioTo441kHz option in the appropriate renderer conf file).
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Re: What is Audio High Fidelity engine?

Postby Nes » Sun Jan 17, 2010 9:13 pm

Yes, I saw that setting.

Can you explain why everything is re-sampled? Will it ever be possible to stream higher resolution audio unaltered?

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Re: What is Audio High Fidelity engine?

Postby shagrath » Sun Jan 17, 2010 9:40 pm

I did this to avoid any troubles with 8/11/22 kHz audio files if I remember. I could add an option but transcode could break with some files
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Re: What is Audio High Fidelity engine?

Postby Nes » Sun Jan 17, 2010 9:57 pm

Thanks shagrath,

I think it would be a valid option for those of us who want to listen to the music unaltered (esp. higher resolution music). If it can be a configuration setting then it will only affect those that set it intentionally and wouldn't break anything for others.

Happy to help. I have had a look to the source code, but wasn't sure where to get the correct bitrate/sample frequency from to pass to the audio engines (as command line parameters). Also, I couldn't find where the bitrate was set at all.

Thanks again and appreciate your time and effort, also answering these posts.
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Re: What is Audio High Fidelity engine?

Postby giedrys » Tue Jan 19, 2010 4:26 am

I asked about this a long time go, but didn't receive any clear answer. It would be great to be able to play 96/24 FLAC files without downsampling one day. In fact, it's the only feature that is missing on PMS for me. Is there a chance for this happening in the near future?
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Re: What is Audio High Fidelity engine?

Postby ExSport » Sat Jan 30, 2010 7:10 pm

giedrys wrote:I asked about this a long time go, but didn't receive any clear answer. It would be great to be able to play 96/24 FLAC files without downsampling one day. In fact, it's the only feature that is missing on PMS for me. Is there a chance for this happening in the near future?

Without searching it is logical you don't know that it is working months ago ;)
Play flac files under video category on PS3 ;)
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Re: What is Audio High Fidelity engine?

Postby erhan12 » Sun Mar 28, 2010 2:34 pm

@ExSport

Doesnt work for me?
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