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[mark123]

downsampled a file using bass and bassmix libraries.The problem is whenever i see the file properties it still shows 44.1khz.plz help
here is a snippet of code that i used:


int samplerate=5512;
BASS_Init(0, 44100, 0, 0, NULL);
   HSTREAM stream=BASS_StreamCreateFile(FALSE,"2.mp3", 0, 0,BASS_STREAM_DECODE | BASS_SAMPLE_MONO );
   HSTREAM mix=BASS_Mixer_StreamCreate(samplerate, 1,BASS_STREAM_DECODE | BASS_SAMPLE_MONO);
   if(BASS_Mixer_StreamAddChannel(mix, stream,BASS_ATTRIB_SRC))
   {
        //code that sends this mix(resampled data) to a .wav file using appropriate headers
}

[mark123]

the problem is that the properties of the downsampled file still show 44.1khz as samplerate............plz help..........

[radio42]

Can you show your code which "sends this mix(resampled data) to a .wav file using appropriate headers"?

Could it be, that the wav file header is using the sample rate of the original source stream instead of the mixer?

[Ian @ un4seen]

Yep, it sounds like the "appropriate headers" may not actually be appropriate

If you aren't already doing so, you could use the BASSenc add-on to handle the file writing. For example, you could do something like this...

BASS_Encode_Start(mix, "output.wav", BASS_ENCODE_PCM|BASS_ENCODE_AUTOFREE, 0, 0); // set a WAV writer on the mixer

Please see the BASS_Encode_Start documentation for details. Also see the BASS_Mixer_StreamCreate and BASS_Mixer_StreamAddChannel documentation for a list of valid flags, as BASS_SAMPLE_MONO and BASS_ATTRIB_SRC aren't valid there.

[mark123]

thanks done it using BASSenc