Peter-Test Results

Rednroll wrote on 10/7/2000, 12:06 AM
Ok, When I turn SRP off, I can not reproduce this bug. In
fact my system seems to speed up tremendously and goes into
record instantly no matter how fast I alter between
"Cntrl-R" and "Enter". I then turned SRP On and removed all
stereo busses except one. The problem happened in this
Scenario. I Then also removed all Assignable FX's. This
setup also reproduced the bug. So it seems to only happen
when SRP is on, and doesn't seem to matter if I cut down on
the other resource eaters. So I'm guessing here ,but this
seems to be a Video Card problem, of not being able to keep
up with redrawing? I forgot to include that in my initial
system that I posted. I'm using an ATI Xpert98 2X AGP Card
with 8MB Video Ram. Also one more question, Since the
problem seems to be that I have 36 Tracks playing with
nothing on them, if I put the Tracks Mute button on the
channels I don't have any audio on, will that cut down the
system resource use. That would seem to me almost the same
thing as putting SRP off, for those tracks I'm not using?
That way I can just unmute that channel anytime I put audio
on it.

Thanks For Replying,
Brian Franz

Comments

Rednroll wrote on 10/7/2000, 12:31 AM
I think you can disregard my last question I did further testing and
got my own answer. First I tried muting 35 Channels so that the only
channel that was ON, was the one I was recording on. The problem
persisted in this manner. Then I deleted all the Tracks accept the
one I was recording on, and I still got this problem. This is with SRP
On. I also removed all my stereo busses except one and all my
assignable FX's and it still reproduced this problem. So this only
happens when SRP is on recording and playing minimal audio with no
FX's processing going on.

Brian Franz wrote:
>>Ok, When I turn SRP off, I can not reproduce this bug. In
>>fact my system seems to speed up tremendously and goes into
>>record instantly no matter how fast I alter between
>>"Cntrl-R" and "Enter". I then turned SRP On and removed all
>>stereo busses except one. The problem happened in this
>>Scenario. I Then also removed all Assignable FX's. This
>>setup also reproduced the bug. So it seems to only happen
>>when SRP is on, and doesn't seem to matter if I cut down on
>>the other resource eaters. So I'm guessing here ,but this
>>seems to be a Video Card problem, of not being able to keep
>>up with redrawing? I forgot to include that in my initial
>>system that I posted. I'm using an ATI Xpert98 2X AGP Card
>>with 8MB Video Ram. Also one more question, Since the
>>problem seems to be that I have 36 Tracks playing with
>>nothing on them, if I put the Tracks Mute button on the
>>channels I don't have any audio on, will that cut down the
>>system resource use. That would seem to me almost the same
>>thing as putting SRP off, for those tracks I'm not using?
>>That way I can just unmute that channel anytime I put audio
>>on it.
>>
>>Thanks For Replying,
>>Brian Franz
PipelineAudio wrote on 10/7/2000, 2:43 AM



>>with 8MB Video Ram. Also one more question, Since the
>>problem seems to be that I have 36 Tracks playing with
>>nothing on them, if I put the Tracks Mute button on the
>>channels I don't have any audio on, will that cut down the
>>system resource use. That would seem to me almost the same
>>thing as putting SRP off, for those tracks I'm not using?
>>That way I can just unmute that channel anytime I put audio
>>on it.



I was wondering about that...cakewalk has that archive
function...does thios matter to recource use on vegas ?
at least a " hide unused tracks funtion"
pwppch wrote on 10/7/2000, 11:52 AM
All track functions and items that are in the mix path are always
live and ready. Muting something merely says ' this source is playing
silence right now'. We optimize for silence, but the "mixer" still
must deal with a track comming on line at any time. We don't mix
silence as it is a no-op, but we still must "look" at the silence
case.

The main point here is that the audio output hardware is streaming
silence. If it is 1 bus or 10 buses, the audio hardware is playing
silence.

This is part of the mixing model that is what most people like about
Vegas. Being live all the time to all project data makes Vegas
respond to edits and a/b'ing faster.

The SRP toggling was expected. You dramatically reduce i/o overhead
when only recording. Vegas becomes a simple "tape recorder" when SRP
is off. All the output and metering and mixing is taken out of the
picture. Vegas can concentrate on a single task.


Peter


Aaron Carey wrote:
>>
>>
>>
>>>>with 8MB Video Ram. Also one more question, Since the
>>>>problem seems to be that I have 36 Tracks playing with
>>>>nothing on them, if I put the Tracks Mute button on the
>>>>channels I don't have any audio on, will that cut down the
>>>>system resource use. That would seem to me almost the same
>>>>thing as putting SRP off, for those tracks I'm not using?
>>>>That way I can just unmute that channel anytime I put audio
>>>>on it.
>>
>>
>>
>>I was wondering about that...cakewalk has that archive
>>function...does thios matter to recource use on vegas ?
>>at least a " hide unused tracks funtion"
>>
Rednroll wrote on 10/7/2000, 3:06 PM
So, now I understand how Vegas works and uses resources, this is good.
This still leads us back to the origianl bug. Seeing that Vegas is a
multi-track piece of software, it doesn't make much since to turn SRP
off, thus defeating half the purpose of doing multi-track recording
anyways. So how do we overcome the missed takes or events not being
displayed. Is this a bug that you guys at SF are gonna work on or is
there a weak link in my hardware that I have to upgrade? I thought I
have a pretty fast sytem, I'm able to record just over 30 Tracks
simultaneously with SRP on without Vegas hiccuping. I know I'll never
record that many tracks simultaneously, but I just wanted to see what
my system could handle. Recording 1 stereo Track while playing back
another, I will most certainly do and the bug appears in this
situation. Other users have been able to repro this problem, so it's
not just my system setup. I'm not gripping here, this is a very minor
bug now that I realize that Vegas is actually recording the audio. We
all love the features in Vegas, I just think we all would like to feel
confident about the tool we're using to record with, because that
reflects back on us when we're working with clients.

Thanks for the help Peter.


Peter Haller wrote:
>>All track functions and items that are in the mix path are always
>>live and ready. Muting something merely says ' this source is
playing
>>silence right now'. We optimize for silence, but the "mixer" still
>>must deal with a track comming on line at any time. We don't mix
>>silence as it is a no-op, but we still must "look" at the silence
>>case.
>>
>>The main point here is that the audio output hardware is streaming
>>silence. If it is 1 bus or 10 buses, the audio hardware is playing
>>silence.
>>
>>This is part of the mixing model that is what most people like about
>>Vegas. Being live all the time to all project data makes Vegas
>>respond to edits and a/b'ing faster.
>>
>>The SRP toggling was expected. You dramatically reduce i/o overhead
>>when only recording. Vegas becomes a simple "tape recorder" when SRP
>>is off. All the output and metering and mixing is taken out of the
>>picture. Vegas can concentrate on a single task.
>>
>>
>>Peter
>>
>>
>>Aaron Carey wrote:
>>>>
>>>>
>>>>
>>>>>>with 8MB Video Ram. Also one more question, Since the
>>>>>>problem seems to be that I have 36 Tracks playing with
>>>>>>nothing on them, if I put the Tracks Mute button on the
>>>>>>channels I don't have any audio on, will that cut down the
>>>>>>system resource use. That would seem to me almost the same
>>>>>>thing as putting SRP off, for those tracks I'm not using?
>>>>>>That way I can just unmute that channel anytime I put audio
>>>>>>on it.
>>>>
>>>>
>>>>
>>>>I was wondering about that...cakewalk has that archive
>>>>function...does thios matter to recource use on vegas ?
>>>>at least a " hide unused tracks funtion"
>>>>
pwppch wrote on 10/8/2000, 6:48 PM
We are working on this one.

Peter


Brian Franz wrote:
>>So, now I understand how Vegas works and uses resources, this is
good.
>> This still leads us back to the origianl bug. Seeing that Vegas
is a
>>multi-track piece of software, it doesn't make much since to turn
SRP
>>off, thus defeating half the purpose of doing multi-track recording
>>anyways. So how do we overcome the missed takes or events not
being
>>displayed. Is this a bug that you guys at SF are gonna work on or
is
>>there a weak link in my hardware that I have to upgrade? I thought
I
>>have a pretty fast sytem, I'm able to record just over 30 Tracks
>>simultaneously with SRP on without Vegas hiccuping. I know I'll
never
>>record that many tracks simultaneously, but I just wanted to see
what
>>my system could handle. Recording 1 stereo Track while playing
back
>>another, I will most certainly do and the bug appears in this
>>situation. Other users have been able to repro this problem, so
it's
>>not just my system setup. I'm not gripping here, this is a very
minor
>>bug now that I realize that Vegas is actually recording the audio.
We
>>all love the features in Vegas, I just think we all would like to
feel
>>confident about the tool we're using to record with, because that
>>reflects back on us when we're working with clients.
>>
>>Thanks for the help Peter.
>>