Corvin wrote:
Not that it is particularly relevant to your issue, but * doesn't use EFR. It uses 06.10, the original GSM codec. EFR is encumbered by Nokia and other patents (and isn't that interesting anyway).
Adjust your expectations to telephone quality. Everything is based
around 8khz samples and at best around 14 bit quality. The GSM files
should be around cell phone quality due to the codec. You are welcome to
rerecord any sound prompts you wish and use them at a slightly higher
quality but 8khz 16bit PCM is the highest quality you can use.
Heh sorry but I can't agree with you I am very familiar with GSM technology
and I use every day cellphone with EFR codec. And voice quality of what I can
hear from kphone is much worse :(.
Steve
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