Using an AudioConverter to convert mono to stereo?
Using an AudioConverter to convert mono to stereo?
- Subject: Using an AudioConverter to convert mono to stereo?
- From: Simon Fraser <email@hidden>
- Date: Tue, 8 Feb 2005 12:10:21 -0800 (PST)
I have an Audio Converter hooked up via my Audio Unit's render callback
to perform on-the-fly conversions of audio sample formats and sample
frequencies. This is working fine to upsample 22.05kHz audio to 44.1kHz,
and to convert signed 16-bit ints to floats.
However, if the input is mono (mChannelsPerFrame = 1) but the requested
output is stereo (2 channels), the Audio Converter doesn't put the audio
in both channels; all the sound comes out of the left speaker.
Do I have to do something more to get sound into both channels?
Thanks for any info.
Simon
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