[Flac-dev] [inzanekaoz@yahoo.com: Bug#179764: 8-bit audio samples incorrectly played back]

[Josh Coalson]

I believe a patch has been submitted to fix this but it will
be a few days before I get around to checking it in and testing
it.

Josh

--- Matt Zimmerman <mdz at debian.org> wrote:
> I am forwarding this bug report from the Debian bug tracking system. 
> Please
> preserve the CC header when responding.  To reach the submitter
> directly,
> send mail to 179764-submitter at bugs.debian.org.
> 
> ----- Forwarded message from HJ <inzanekaoz at yahoo.com> -----
> 
> Date: Tue, 4 Feb 2003 03:54:36 -0800 (PST)
> From: HJ <inzanekaoz at yahoo.com>
> Resent-From: HJ <inzanekaoz at yahoo.com>
> To: submit at bugs.debian.org
> Subject: Bug#179764: 8-bit audio samples incorrectly played back
> 
> Package: xmms-flac
> Version: 1.1.0-3
> 
> 
> All flac packages {flac, libflac4, xmms-flac} are Debian Sid release
> 1.1.0-3. xmms is Debian 1.2.7-1.1 .
> 
> When decoding from an 8-bit sample resolution audio file (8-bit .wav
> -> .flac), the audio upon playback is severely clipped; heard, as
> well as seen with visualization plugins.  The problem persists even
> with --no-replay-gain given to the encoder, and is present in both
> mono and stereo audio files.  Sample rate (eg, 11khz, 22khz, 44khz)
> seems to be irrelevant.
> 
> 16-bit flacs are played back properly.
> 
> flac -d  (to decode)  writes a properly-scaled .wav as expected.
> 
> 
> steps in brief:
> 
> assuming "snd_8.wav" is, for example, a 44100 stereo 8-bit Microsoft
> WAV (PCM) file...
> 
> 1. flac snd_8.wav
> produces snd_8.flac
> 
> 
> 2. flac -d -osnd_8_2.wav snd_8.flac
> outputs: snd_8_2.wav, from snd_8.flac
> 
> 3. xmms -e snd_8.flac snd_8_2.wav
> snd_8.flac waveform-clips severely, but snd_8_2.wav plays fine
> 
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