[ddots-l] Re: MOTU WDM Drivers Are Better Than There ASIO Ones

  • From: "Phil Muir" <ddots@xxxxxxxxxxxx>
  • To: <ddots-l@xxxxxxxxxxxxx>
  • Date: Fri, 12 Jan 2007 19:08:59 -0000

Hi Luis!!

Thanks for that!

Regards, Phil Muir
P J Muir Productions
Music And Audio Production
URL:
www.philmuir.com/
----- Original Message ----- 
From: "Luis Elorza" <luiselorza@xxxxxxxxx>
To: <ddots-l@xxxxxxxxxxxxx>
Sent: Friday, January 12, 2007 6:54 PM
Subject: [ddots-l] Re: MOTU WDM Drivers Are Better Than There ASIO Ones


>i have found very convenient using wdm drivers because you don't need low 
>latency all the time, i 
>only use low latency when playing soft synths . when recording audio or mixing 
>i usually turn the 
>buffer size all the way to 100 percent and the cpu will handle a huge amount 
>of plug ins and 
>tracks. when i use asio i can't change the buffer size in sonar.
> by the way welcome back Phil.
>
> ----- Original Message ----- 
> From: "Phil Muir" <ddots@xxxxxxxxxxxx>
> To: <ddots-l@xxxxxxxxxxxxx>
> Sent: Friday, January 12, 2007 12:34 AM
> Subject: [ddots-l] MOTU WDM Drivers Are Better Than There ASIO Ones
>
>
>> Hi all!!
>>
>> After a chance discussion with  a friend on how good MOTU's WDM drivers are, 
>> I felt I should try 
>> using my MOTU soundcards WDM drivers, rather than the ASIO ones.  Guess 
>> what, I have found there 
>> is 25% les CPU usage when using the WDM drivers, over the ASIO ones.  I have 
>> also been able to 
>> significantly drop the buffers in the MOTU control panel too.
>>
>> Before, I was using the ASIO drivers and running with buffers in the control 
>> panel of 256.  My 
>> CPU usage was around 30% on large projects.  I then moved the buffer down to 
>> 64 and tested with 
>> the ASIO drivers.  The CPU usage, jumped to around 76% and some crackling 
>> was occuring.  So, just 
>> for fun, I changed from ASIO to WDM, reprofiled the card, and the CPU usage, 
>> jumped back to 
>> around 51%.  Note: I have also found that every time you change the buffers 
>> in your sound cards 
>> external control panel that it is necessary to reprofile the cards WDM 
>> driver.  I previously 
>> hadn't done this and because of the strange audio artifacts that  I was 
>> hearing, had wrongly 
>> asumed that I had set the latency too low.  In my case, I new this couldn't 
>> be right, as I had 
>> actually moved the buffers in the control panel from 64 to 128 and higher.
>>
>> Conclusion, use MOTU's WDM drivers, as they are much better written.
>>
>> Regards, Phil Muir
>> P J Muir Productions
>> Music And Audio Production
>> URL:
>> www.philmuir.com/
>>
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