Re: compress a generic audio file into mp3

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alvinkrebs wrote:

> ahh ... got it, that makes sense. I'm wondering if it
> makes sense to do this kind of transcode in WMFSDK
> instead of DirectX. I realized that the other thread
> I've referenced was only concerned with building the
> graph. The code snippet did not include ->Run().

In a project this summer where I had to convert from
WMA/MP3/WAV to WMA/MP3/WAV/AMR, I gave up DirectShow right
at the beginning and just wrote my own framework integrating
WMF, ACM and a custom WAV reader/writer.

> I'll keep plugging away. I wish it would throw an error
> telling me what I'm doing wrong though. Also, could you
> recommend a nice mp3 encoder? Eventually, I'd like to buy
> something that does a better job. This whole exercise is
> an effort to see if I should plunk down some $$$ for a
> real encoder :)

I think nobody would dispute the fact that LAME is the best
MP3 encoder out there. LAME itself is free and open source,
but MP3 is not: unless the MP3 encoder per-copy licensing
fee is paid to MPEG-LA by the encoder distributor, you need
to pay it yourself. Since LAME is LGPL'ed, it is also
included in some audio tools like Easy CD-DA Extractor
(which supposedly paid for the MPEG-LA license).


--
// Alessandro Angeli
// MVP :: Digital Media
// a dot angeli at psynet dot net


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