Re: Combining AUHAL input and an AudioConverter
Re: Combining AUHAL input and an AudioConverter
- Subject: Re: Combining AUHAL input and an AudioConverter
- From: Brad Ford <email@hidden>
- Date: Tue, 10 May 2005 13:19:40 -0700
Incidentally doubling the number of channels doubles the bytes/
packet only. Different sample rates didn't change anything but
needed to be non-zero.
I think that Qclp only does mono. As for sample rates, it only does
8000 - its a narrow band codec. So, like in my previous email, you
have to set this up as 1 channel, 8000 sample rate - eventually we
get there!
Bill
Correction, Qclp can do sample rates up to 65 kHz. It's AMR
Narrowband ('samr') that can only do 8 kHz. The
kAudioFormatProperty_AvailableEncodeSampleRates property can help
with this.
-Brad
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