Re: Largest channel input count for any Core Audio Device ?
Re: Largest channel input count for any Core Audio Device ?
- Subject: Re: Largest channel input count for any Core Audio Device ?
- From: Jeff Moore <email@hidden>
- Date: Wed, 29 Sep 2004 11:46:08 -0700
If I have the math right, the maximum number of total channels on a
device in a given direction is 2^64. You get this by the fact that the
HAL allows for a device to have up to 2^32 streams each of which can
have 2^32 interleaved channels. (These are the limitations of the
AudioBufferList structure.)
Now, you might say that no device will ever have that many channels,
but you'd be wise to write your code as if it could happen.
On Sep 29, 2004, at 9:44 AM, Mark Gilbert wrote:
Folks.
Does anyone know the coreaudio device with the largest number of input
channels ?
So far, I have found the MOTU 896HD, which registers 20 input channels.
Does anyone know of any devices with more than 20 input channels ?
I am doing some GUI design and it would be nice to know the max
channels currently available for a single core audio input device.
Thanks
Mark Gilbert.
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Jeff Moore
Core Audio
Apple
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