Is Voice Recording in MP3 a crazy feature?

I've just bought a 528 stick and tried a interesting feature: Recording voices in mp3 format. Msi said that recording in mp3 will take only 1/10 of space compared to wav. They lied, recording in this format with any quality take at least 128Kbps, that mean it cost the same with Best quality mode of wav. What is the hell going on?

Quote from: bassmadrigal on 02-September-05, 17:03:54
Even if it is stuck at 128kbps the file size should still be way smaller than the wav file.
I don't think so, jeremy. The waves' bit rate are 32Kbps, 64Kbps, 128Kbps corresponding to 8KHz, 16KHz and 32KHz of sample rate. They are all compressed in IA PCM format, so they are almost always the smaller in term of size. MP3s under 44KHz of sample rate should encoded in lower bit rate rather than always be 128Kbps so that would be more economic and MP3 recording feature have its full advantages!

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