Are you sure that the wav file is in linear PCM format?

On 3/14/06, Ravi Parimi <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I have a 4th generation Ipod that I use for voice recordings. After
> copying the wav file off the Ipod, I tried converting it to mp3 using
> lame (on Linux)
>
> parimi-lx2/tmp:#file recording.wav
> recording.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM,
> 16 bit, mono 8000 Hz
>
> parimi-lx2/tmp:#lame -h recording.wav recording.mp3
> LAME version 3.96.1 (http://lame.sourceforge.net/)
> CPU features: MMX (ASM used), SSE, SSE2
> Using polyphase lowpass filter, transition band:  3000 Hz -  3097 Hz
> Encoding recording.wav to recording.mp3
> Encoding as 8 kHz   8 kbps single-ch MPEG-2.5 Layer III (16x) qval=2
>     Frame          |  CPU time/estim | REAL time/estim | play/CPU |    ETA
>   5437/5440  (100%)|    0:03/    0:03|    0:03/    0:03|   114.13x|
>     0:00
> average:   8.0 kbps
>
> ReplayGain: -7.5dB
>
> However, when I run file on the mp3, it reports that the mp3 is just
> data and not an "mp3 file".
> parimi-lx2/tmp:#file recording.mp3
> recording.mp3: data
>
> There is quite some noise when I play the mp3 (although the wav file
> is pretty good). Can someone show me how to get a better quality mp3
> with the wav file?
>
> Thanks,
> --ravi
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