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2496 capability #11

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omnipop opened this Issue Aug 17, 2016 · 2 comments

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@omnipop

omnipop commented Aug 17, 2016

Hi there,

I am new to this site, but wanted to thank you for developing this software. It works well.

I have the Chromecast audio, which can stream at 24 bit 96K resolution. The app goes up to 48 K and does not indicate the bit rate in flac or wav. If the app needs improvement , it is that.

Thank you again

@muammar muammar added the enhancement label Aug 17, 2016

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muammar Aug 17, 2016

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@omnipop thanks for your message. It turns out that ffmpeg does not have any option to change the bitrate for the wav code, AFAICR. If I understand correctly, in ffmpeg the bitrate for wav is 1411 kb/s, while flac is ~900 kb/s. And the '-acodec', 'pcm_s24le' option assures the 24bits. You can verify that when launching mkchromecast with the --debug flag.

As for the 96kHz, I will modify the code so that it accepts it. However, note that if your audio source is "low", let's suppose 44.1kHz, re-sampling it to 48kHz or 96kHz is not recommended.

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muammar commented Aug 17, 2016

@omnipop thanks for your message. It turns out that ffmpeg does not have any option to change the bitrate for the wav code, AFAICR. If I understand correctly, in ffmpeg the bitrate for wav is 1411 kb/s, while flac is ~900 kb/s. And the '-acodec', 'pcm_s24le' option assures the 24bits. You can verify that when launching mkchromecast with the --debug flag.

As for the 96kHz, I will modify the code so that it accepts it. However, note that if your audio source is "low", let's suppose 44.1kHz, re-sampling it to 48kHz or 96kHz is not recommended.

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muammar Aug 17, 2016

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I think it is done. Commit ec10bfb introduces your request. Casting with wav + 96kHz or flac + 96kHz should reach the 24bits/96kHz google cast audio capability.

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muammar commented Aug 17, 2016

I think it is done. Commit ec10bfb introduces your request. Casting with wav + 96kHz or flac + 96kHz should reach the 24bits/96kHz google cast audio capability.

@muammar muammar closed this in 1d5e12f Aug 19, 2016

muammar added a commit that referenced this issue Aug 19, 2016

Merge branch 'master' into debian
* master:
  - Release 0.3.4. - 24bits/96k resolution support (Closes: #11). - First attempt to introduce the package to debian archives.
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