Re: Does lame encoding only work with 16-bit integers?

Thanks for the reply Robert! A follow up question: for all the flavors
of lame_encode_*, what is the bitdepth of the output MP3 file? Is it
always 16-bit or does it depend on which lame_encode function is being
used? Thanks again!

On Wed, Oct 17, 2012 at 6:24 AM, Robert Hegemann <[email protected]> wrote:
> Hello Nathan,
>
> the lame_encode_* functions expect input data to be scaled appropriately.
> Read remarks in lame.h, there are variants for float, double, int, short and long.
> http://lame.cvs.sourceforge.net/viewvc/lame/lame/include/lame.h?revision=1.190&view=markup
>
> Ciao Robert
>
>
> ----- Original Message -----
> From: "Nathan Rajlich" <[email protected]>
> To: <[email protected]>
> Sent: Monday, October 15, 2012 7:46 PM
> Subject: [Lame-dev] Does lame encoding only work with 16-bit integers?
>
>
>> Hello all, so I'm in the middle of writing my node.js binding to
>> libmp3lame, and this are going great so far. I'm basically just
>> curious about the input that the lame encoder works with. I don't see
>> any "lame_set_bitdepth()" option or similar, and
>> "lame_encode_buffer()" accepts "shot int[]" (i.e. 16-bit). Is this the
>> only integer size that lame with work with? Perhaps I'm missing
>> something about the MPEG spec and perhaps that's the only valid bit
>> depth for MP3s, but I just wanted confirmation.
>>
>> i.e. If I want to encode an 8-bit WAV into an MP3 do I need to rescale
>> manually before passing it to lame? Thanks in advance!
>>
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