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Audio won't play when I move it

24 messages

1 2

Ramekin

Audio won't play when I move it

Reply Threaded

This is driving me mad! I've imported an aif file (a door slam) into my multiple track project. It plays fine, but when I moved it, either by using the time shift tool or by pasting, it doesn't play. The vertical line just moves past it as if it were silent. Occasionally I get just the end of it but mostly nothing. If I mix and render it also acts as if it's not there.

I have now spent over half an hour trying to put a 1 second door slam into my project and I've quit the program before I throw my computer out of the window!

Any ideas? I'm using version 1.3.8.

Thank,

Mat

Bob Long

Re: Audio won't play when I move it

Reply Threaded

Ramekin wrote:
> This is driving me mad! I've imported an aif file (a door slam) into my
> multiple track project. It plays fine, but when I moved it, either by using
> the time shift tool or by pasting, it doesn't play. The vertical line just
> moves past it as if it were silent. Occasionally I get just the end of it
> but mostly nothing. If I mix and render it also acts as if it's not there.

The "Mute" "button" to the left of the track is not "on", is it?

--
Bob Long

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Ramekin

Re: Audio won't play when I move it

Reply Threaded

No, tried that I'm afraid.

----- Original Message ----
From: Bob Long <[hidden email]>
To: Discussion list for Audacity users <[hidden email]>
Sent: Monday, 14 September, 2009 23:24:47
Subject: Re: [Audacity-users] Audio won't play when I move it

Ramekin wrote:
> This is driving me mad! I've imported an aif file (a door slam) into my
> multiple track project. It plays fine, but when I moved it, either by using
> the time shift tool or by pasting, it doesn't play. The vertical line just
> moves past it as if it were silent. Occasionally I get just the end of it
> but mostly nothing. If I mix and render it also acts as if it's not there.

The "Mute" "button" to the left of the track is not "on", is it?

--
Bob Long

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Dave-211

Re: Audio won't play when I move it

Reply Threaded

In reply to this post by Ramekin

Hi
are they both the same sample rate and type ?
THANKYOU DAVE-211

----- Original Message -----
From: "Ramekin" <[hidden email]>
To: <[hidden email]>
Sent: Tuesday, September 15, 2009 6:46 AM
Subject: [Audacity-users] Audio won't play when I move it

>
> This is driving me mad! I've imported an aif file (a door slam) into my
> multiple track project. It plays fine, but when I moved it, either by
> using
> the time shift tool or by pasting, it doesn't play. The vertical line just
> moves past it as if it were silent. Occasionally I get just the end of it
> but mostly nothing. If I mix and render it also acts as if it's not there.
>
> I have now spent over half an hour trying to put a 1 second door slam into
> my project and I've quit the program before I throw my computer out of the
> window!
>
> Any ideas? I'm using version 1.3.8.
>
> Thank,
>
> Mat
> --
> View this message in context:
> http://n2.nabble.com/Audio-won-t-play-when-I-move-it-tp3644974p3644974.html
> Sent from the audacity-users mailing list archive at Nabble.com.
>
> ------------------------------------------------------------------------------
> Come build with us! The BlackBerry® Developer Conference in SF, CA
> is the only developer event you need to attend this year. Jumpstart your
> developing skills, take BlackBerry mobile applications to market and stay
> ahead of the curve. Join us from November 9-12, 2009. Register
> now!
> http://p.sf.net/sfu/devconf
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>

Ramekin

Re: Audio won't play when I move it

Reply Threaded

Hi,

Good question, I'll check the rate tonight. Can you explain what you mean by type? The door slam was an aif, but I exported it as wav and reimported it and still had problems. Should it matter?

The sampling rate might explain the problem I had with mix and render.

Thanks,

Mat

----- Original Message ----
From: Dave <[hidden email]>
To: Discussion list for Audacity users <[hidden email]>
Sent: Tuesday, 15 September, 2009 13:47:04
Subject: Re: [Audacity-users] Audio won't play when I move it

Hi
are they both the same sample rate and type ?
THANKYOU DAVE-211

----- Original Message -----
From: "Ramekin" <[hidden email]>
To: <[hidden email]>
Sent: Tuesday, September 15, 2009 6:46 AM
Subject: [Audacity-users] Audio won't play when I move it

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Ramekin

Re: Audio won't play when I move it

Reply Threaded

In reply to this post by Ramekin

A ha! The sample rate was different, I changed it on my door slam and all was well. Thanks a lot.

----- Original Message ----
From: Matthew Wasley <[hidden email]>
To: Discussion list for Audacity users <[hidden email]>
Sent: Tuesday, 15 September, 2009 14:06:45
Subject: Re: [Audacity-users] Audio won't play when I move it

Hi,

Good question, I'll check the rate tonight. Can you explain what you mean by type? The door slam was an aif, but I exported it as wav and reimported it and still had problems. Should it matter?

The sampling rate might explain the problem I had with mix and render.

Thanks,

Mat

----- Original Message ----
From: Dave <[hidden email]>
To: Discussion list for Audacity users <[hidden email]>
Sent: Tuesday, 15 September, 2009 13:47:04
Subject: Re: [Audacity-users] Audio won't play when I move it

Hi
are they both the same sample rate and type ?
THANKYOU DAVE-211

----- Original Message -----
From: "Ramekin" <[hidden email]>
To: <[hidden email]>
Sent: Tuesday, September 15, 2009 6:46 AM
Subject: [Audacity-users] Audio won't play when I move it

Gale (Audacity Team)

Re: Audio won't play when I move it

Reply Threaded

On Tue, 15 Sep 2009 13:12:31 -0700 (PDT)
Matthew Wasley <[hidden email]> wrote:
> A ha! The sample rate was different, I changed it on my door slam and all was well. Thanks a lot.

This sounds like another variant of an intermittent mixing problem
we have when one of the clips is very short and the clip is not at
time zero:
http://n2.nabble.com/1-3-9-alpha-invert-effect-doesn-t-seem-to-work-right-tp3428189p3462925.html

[although there, at least in my case, the sample rates were the
same in all the tracks anyway].

However on Windows XP in 1.3.10 Alpha I can replicate this at
the moment:

* Set project rate to 44100 Hz and generate a 30 second tone
* Import a 1 second 11025 Hz file into the project
* Play both tracks and they sound fine
* Time-shift the 11025 Hz track to start at 5 seconds and
it won't be heard in the mix (or just plays at the end)
* Tracks > Resample the 11025 Hz clip to 44100 Hz
and it starts playing at the correct time in the mix
* Edit > Undo and Effect > Repeat the 11025 Hz clip
entering "10" in "Number of times to repeat". The
clip starts playing in the mix sometime into the first
repeat

Thanks. If this is actually repeatable (at least most of the time)
we can at least fix this and it "might" or might not fix the inversion
scenario in the link above.

What operating system are you on? It's not likely to be relevant
in this case, but it's always a good idea to say.

Gale

> ----- Original Message ----
> From: Matthew Wasley <[hidden email]>
> To: Discussion list for Audacity users <[hidden email]>
> Sent: Tuesday, 15 September, 2009 14:06:45
> Subject: Re: [Audacity-users] Audio won't play when I move it

> A ha! The sample rate was different, I changed it on my door slam and all was well.
>
> Hi,
>
> Good question, I'll check the rate tonight. Can you explain what you mean by type?
> The door slam was an aif, but I exported it as wav and reimported it
> and still had problems. Should it matter?
>
> The sampling rate might explain the problem I had with mix and render.
>
> Thanks,
>
> Mat
>
>
>
> ----- Original Message ----
> From: Dave <[hidden email]>
> To: Discussion list for Audacity users <[hidden email]>
> Sent: Tuesday, 15 September, 2009 13:47:04
> Subject: Re: [Audacity-users] Audio won't play when I move it
>
> Hi
> are they both the same sample rate and type ?
> THANKYOU DAVE-211
>
> ----- Original Message -----
> From: "Ramekin" <[hidden email]>
> To: <[hidden email]>
> Sent: Tuesday, September 15, 2009 6:46 AM
> Subject: [Audacity-users] Audio won't play when I move it
>
>
> >
> > This is driving me mad! I've imported an aif file (a door slam) into my
> > multiple track project. It plays fine, but when I moved it, either by
> > using
> > the time shift tool or by pasting, it doesn't play. The vertical line just
> > moves past it as if it were silent. Occasionally I get just the end of it
> > but mostly nothing. If I mix and render it also acts as if it's not there.
> >
> > I have now spent over half an hour trying to put a 1 second door slam into
> > my project and I've quit the program before I throw my computer out of the
> > window!
> >
> > Any ideas? I'm using version 1.3.8.
> >
> > Thank,
> >
> > Mat
> > --
> > View this message in context:
> > http://n2.nabble.com/Audio-won-t-play-when-I-move-it-tp3644974p3644974.html
> > Sent from the audacity-users mailing list archive at Nabble.com.
> >
> > ------------------------------------------------------------------------------
> > Come build with us! The BlackBerry® Developer Conference in SF, CA
> > is the only developer event you need to attend this year. Jumpstart your
> > developing skills, take BlackBerry mobile applications to market and stay
> > ahead of the curve. Join us from November 9-12, 2009. Register
> > now!
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> > To UNSUBSCRIBE, use the form at the bottom of this web page:
> > https://lists.sourceforge.net/lists/listinfo/audacity-users
> >
>
>
>
> ------------------------------------------------------------------------------
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> is the only developer event you need to attend this year. Jumpstart your
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> ahead of the curve. Join us from November 9-12, 2009. Register now!
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>
>
>
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stan-7

Re: Audio won't play when I move it

Reply Threaded

On Thu, 17 Sep 2009 21:17:10 +0100
[hidden email] wrote:

>
> On Tue, 15 Sep 2009 13:12:31 -0700 (PDT)
> Matthew Wasley <[hidden email]> wrote:
> > A ha! The sample rate was different, I changed it on my door slam
> > and all was well. Thanks a lot.
>
> This sounds like another variant of an intermittent mixing problem
> we have when one of the clips is very short and the clip is not at
> time zero:
> http://n2.nabble.com/1-3-9-alpha-invert-effect-doesn-t-seem-to-work-right-tp3428189p3462925.html
>
> [although there, at least in my case, the sample rates were the
> same in all the tracks anyway].
>

I am the reporter of that problem. The latest
CVS update from yesterday seems to have fixed it. At least I can now
duplicate a few seconds of audio, and it plays solo without any silence
at the start. Inverting it still plays correctly. And when played with
the original, there is only silence. If I time shift the sample, it
still plays correctly. In other words, everything works correctly.

This is on Fedora 12/rawhide with linux kernel 2.6.31-14, gcc 4.4.1

> However on Windows XP in 1.3.10 Alpha I can replicate this at
> the moment:
>
> * Set project rate to 44100 Hz and generate a 30 second tone
> * Import a 1 second 11025 Hz file into the project
> * Play both tracks and they sound fine
> * Time-shift the 11025 Hz track to start at 5 seconds and
> it won't be heard in the mix (or just plays at the end)
> * Tracks > Resample the 11025 Hz clip to 44100 Hz
> and it starts playing at the correct time in the mix
> * Edit > Undo and Effect > Repeat the 11025 Hz clip
> entering "10" in "Number of times to repeat". The
> clip starts playing in the mix sometime into the first
> repeat
>
> Thanks. If this is actually repeatable (at least most of the time)
> we can at least fix this and it "might" or might not fix the inversion
> scenario in the link above.

On the CVS version that corrects the other problem, this does not seem
to occur. I imported a 44100 stereo wav file. I selected a minute at
the start and duplicated it, muting the original. I then went to
freesound and looked at random samples until I found a 8000 Hz mono wav
file. I downloaded and imported it into audacity. I could play both
the original duplicate stereo and the mono either separately or
together, and they played correctly. I then timeshifted the mono file,
and it still played correctly, either separately or with the duplicated
sample.

I haven't downloaded and compiled today's CVS yet; perhaps it will break
this again, but that seems unlikely.

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stan-7

Re: Audio won't play when I move it

Reply Threaded

In reply to this post by Gale (Audacity Team)

On Thu, 17 Sep 2009 21:17:10 +0100
[hidden email] wrote:

I should have said that the version from 9-14 CVS was still broken for
this. I don't download the CVS every day, so it could have been the
9-15 version that fixed this, as well as the 9-16 version.

>
> [although there, at least in my case, the sample rates were the
> same in all the tracks anyway].
>
> However on Windows XP in 1.3.10 Alpha I can replicate this at
> the moment:
>
> * Set project rate to 44100 Hz and generate a 30 second tone
> * Import a 1 second 11025 Hz file into the project
> * Play both tracks and they sound fine
> * Time-shift the 11025 Hz track to start at 5 seconds and
> it won't be heard in the mix (or just plays at the end)
> * Tracks > Resample the 11025 Hz clip to 44100 Hz
> and it starts playing at the correct time in the mix
> * Edit > Undo and Effect > Repeat the 11025 Hz clip
> entering "10" in "Number of times to repeat". The
> clip starts playing in the mix sometime into the first
> repeat

With yesterday's CVS version (9-16), I created a mono tone at 44100 Hz,
and using an 8000 Hz mono sample, performed the above tests, They all
worked correctly.

Fedora 12, kernel 2.6.31, gcc 4.4.1

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Tim Forsythe

Can't export wave file to ITunes from Audacity

Reply Threaded

Sorry to but in but: can anyone help me to save a wavefile to itunes. I'm a new Audacity user.
-

Ramekin

Re: Audio won't play when I move it

Reply Threaded

In reply to this post by Gale (Audacity Team)

Yes, it sounds like the same thing. My sample was about a second and the other tracks are all over a minute. I was time shifting it and I now I think about it that's when the problem started.

Sorry, I'm not 100% sure if you're asking me to try the steps below and see if I get the same thing. Is that the case?

I'm using XP by the way.

----- Original Message ----
From: "[hidden email]" <[hidden email]>
To: [hidden email]
Sent: Thursday, 17 September, 2009 21:17:10
Subject: Re: [Audacity-users] Audio won't play when I move it

On Tue, 15 Sep 2009 13:12:31 -0700 (PDT)
Matthew Wasley <[hidden email]> wrote:
> A ha! The sample rate was different, I changed it on my door slam and all was well. Thanks a lot.

This sounds like another variant of an intermittent mixing problem
we have when one of the clips is very short and the clip is not at
time zero:
http://n2.nabble.com/1-3-9-alpha-invert-effect-doesn-t-seem-to-work-right-tp3428189p3462925.html

[although there, at least in my case, the sample rates were the
same in all the tracks anyway].

However on Windows XP in 1.3.10 Alpha I can replicate this at
the moment:

* Set project rate to 44100 Hz and generate a 30 second tone
* Import a 1 second 11025 Hz file into the project
* Play both tracks and they sound fine
* Time-shift the 11025 Hz track to start at 5 seconds and
it won't be heard in the mix (or just plays at the end)
* Tracks > Resample the 11025 Hz clip to 44100 Hz
and it starts playing at the correct time in the mix
* Edit > Undo and Effect > Repeat the 11025 Hz clip
entering "10" in "Number of times to repeat". The
clip starts playing in the mix sometime into the first
repeat

Thanks. If this is actually repeatable (at least most of the time)
we can at least fix this and it "might" or might not fix the inversion
scenario in the link above.

What operating system are you on? It's not likely to be relevant
in this case, but it's always a good idea to say.

Gale

> ----- Original Message ----
> From: Matthew Wasley <[hidden email]>
> To: Discussion list for Audacity users <[hidden email]>
> Sent: Tuesday, 15 September, 2009 14:06:45
> Subject: Re: [Audacity-users] Audio won't play when I move it

Gale Andrews

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Bob Long

Re: Can't export wave file to ITunes from Audacity

Reply Threaded

In reply to this post by Tim Forsythe

Tim Forsythe wrote:
>
> Sorry to but in but: can anyone help me to save a wavefile to itunes.
> I'm a new Audacity user.

Does File|Export as WAV (or File Export..., depending on your version of
Audacity) not work? If not, just what are you trying and what then
happens? What version of Audacity?

What do you mean, "save to itunes"?

--
Bob Long

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Gale (Audacity Team)

Re: Can't export wave file to ITunes from Audacity

Reply Threaded

On Fri, 18 Sep 2009 23:36:42 +1000
Bob Long <[hidden email]> wrote:

> Tim Forsythe wrote:
> >
> > Sorry to but in but: can anyone help me to save a wavefile to itunes.
> > I'm a new Audacity user.
>
> Does File|Export as WAV (or File Export..., depending on your version of
> Audacity) not work? If not, just what are you trying and what then
> happens? What version of Audacity?
>
> What do you mean, "save to itunes"?
>
> --
> Bob Long

If you still need help, please read:
http://wiki.audacityteam.org/index.php?title=Exporting_your_Audacity_Project_into_iTunes_and_iPod

Gale

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Gale (Audacity Team)

Re: Audio won't play when I move it

Reply Threaded

In reply to this post by Ramekin

On Fri, 18 Sep 2009 00:03:03 -0700 (PDT)
Matthew Wasley <[hidden email]> wrote:
> Yes, it sounds like the same thing. My sample was about a second
> and the other tracks are all over a minute. I was time shifting it and
> now I think about it that's when the problem started.
>
> Sorry, I'm not 100% sure if you're asking me to try the steps below
> and see if I get the same thing. Is that the case?
>
> I'm using XP by the way.

Hi Matt

No I don't think we need you to check anything at the moment.

Stan, I've just updated on Ubuntu to latest CVS and I certainly
still get the same problem when importing a one second file at a
different rate, then time shifting it. It may be intermittent. The
problem is always there for me at the moment, but sometimes
none of the clip will be played or rendered/exported at all,
sometimes just a fraction of a second at the end of it.

Gale

> ----- Original Message ----
> From: "[hidden email]" <[hidden email]>
> To: [hidden email]
> Sent: Thursday, 17 September, 2009 21:17:10
> Subject: Re: [Audacity-users] Audio won't play when I move it
>
>
> On Tue, 15 Sep 2009 13:12:31 -0700 (PDT)
> Matthew Wasley <[hidden email]> wrote:
> > A ha! The sample rate was different, I changed it on my door slam and all was well. Thanks a lot.
>
> This sounds like another variant of an intermittent mixing problem
> we have when one of the clips is very short and the clip is not at
> time zero:
> http://n2.nabble.com/1-3-9-alpha-invert-effect-doesn-t-seem-to-work-right-tp3428189p3462925.html
>
> [although there, at least in my case, the sample rates were the
> same in all the tracks anyway].
>
> However on Windows XP in 1.3.10 Alpha I can replicate this at
> the moment:
>
> * Set project rate to 44100 Hz and generate a 30 second tone
> * Import a 1 second 11025 Hz file into the project
> * Play both tracks and they sound fine
> * Time-shift the 11025 Hz track to start at 5 seconds and
> it won't be heard in the mix (or just plays at the end)
> * Tracks > Resample the 11025 Hz clip to 44100 Hz
> and it starts playing at the correct time in the mix
> * Edit > Undo and Effect > Repeat the 11025 Hz clip
> entering "10" in "Number of times to repeat". The
> clip starts playing in the mix sometime into the first
> repeat
>
> Thanks. If this is actually repeatable (at least most of the time)
> we can at least fix this and it "might" or might not fix the inversion
> scenario in the link above.
>
> What operating system are you on? It's not likely to be relevant
> in this case, but it's always a good idea to say.
>
>
>
> Gale
>
>
>
>
> > ----- Original Message ----
> > From: Matthew Wasley <[hidden email]>
> > To: Discussion list for Audacity users <[hidden email]>
> > Sent: Tuesday, 15 September, 2009 14:06:45
> > Subject: Re: [Audacity-users] Audio won't play when I move it
>
> > A ha! The sample rate was different, I changed it on my door slam and all was well.
> >
> > Hi,
> >
> > Good question, I'll check the rate tonight. Can you explain what you mean by type?
> > The door slam was an aif, but I exported it as wav and reimported it
> > and still had problems. Should it matter?
> >
> > The sampling rate might explain the problem I had with mix and render.
> >
> > Thanks,
> >
> > Mat

stan-7

Re: Audio won't play when I move it

Reply Threaded

On Fri, 18 Sep 2009 20:20:47 +0100
[hidden email] wrote:

>
> Stan, I've just updated on Ubuntu to latest CVS and I certainly
> still get the same problem when importing a one second file at a
> different rate, then time shifting it. It may be intermittent. The
> problem is always there for me at the moment, but sometimes
> none of the clip will be played or rendered/exported at all,
> sometimes just a fraction of a second at the end of it.
>
>
>
> Gale

Unfortunately, with the latest checkout of CVS, I can confirm your
experience. And it isn't intermittent. It is broken every time. It
is possible I hit a window of opportunity, but it really seems unlikely
to me.

There were a ton of updates today and one of them must have trampled
something that was the fix for this problem. I updated to the CVS of
yesterday afternoon after the emails of yesterday, and it also worked,
first time every time. I must have tried the various test combinations
between 10 and 20 times, and they worked perfectly every time. There
were almost no updates yesterday, so I think the fix was either on the
15th or the 16th.

I'm going to look into reverting today's (Sept 18) changes and recompile
to see if I can get back to the working version. I *knew* I should have
tested from the build directory before installing. :-)

Perhaps you're right and it was a fluke, but I want my working audacity
back.

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Gale (Audacity Team)

Re: Audio won't play when I move it

Reply Threaded

"stan-7" wrote:
On Fri, 18 Sep 2009 20:20:47 +0100
> Unfortunately, with the latest checkout of CVS, I can confirm your
> experience. And it isn't intermittent. It is broken every time.
> ... I'm going to look into reverting today's (Sept 18) changes and
> recompile to see if I can get back to the working version. I *knew*
> I should have tested from the build directory before installing. :-)
> Perhaps you're right and it was a fluke, but I want my working
> audacity back.

I suspect it was a fluke (or else mix and render works for some differences of sample rates but not others). We've actually done nothing to fix this yet or made any change I can see would have affected this problem.

Gale

stan-7

Re: Audio won't play when I move it

Reply Threaded

In reply to this post by Gale (Audacity Team)

On Fri, 18 Sep 2009 16:39:04 -0700
stan <[hidden email]> wrote:

> On Fri, 18 Sep 2009 20:20:47 +0100
> [hidden email] wrote:
> >
> > Stan, I've just updated on Ubuntu to latest CVS and I certainly
> > still get the same problem when importing a one second file at a
> > different rate, then time shifting it. It may be intermittent. The
> > problem is always there for me at the moment, but sometimes
> > none of the clip will be played or rendered/exported at all,
> > sometimes just a fraction of a second at the end of it.
> >
> >
> >
> > Gale
>
> Unfortunately, with the latest checkout of CVS, I can confirm your
> experience. And it isn't intermittent. It is broken every time. It
> is possible I hit a window of opportunity, but it really seems
> unlikely to me.
>
> There were a ton of updates today and one of them must have trampled
> something that was the fix for this problem. I updated to the CVS of
> yesterday afternoon after the emails of yesterday, and it also worked,
> first time every time. I must have tried the various test combinations
> between 10 and 20 times, and they worked perfectly every time. There
> were almost no updates yesterday, so I think the fix was either on the
> 15th or the 16th.
>
> I'm going to look into reverting today's (Sept 18) changes and
> recompile to see if I can get back to the working version. I *knew*
> I should have tested from the build directory before installing. :-)
>
> Perhaps you're right and it was a fluke, but I want my working
> audacity back.

OK, here is what I did. I checked out the CVS version of audacity from
20090916 at 1600. Originally, I had checked out the version from 0917,
but I saw that the commits occur at 2300, so the last version that
worked would have been the version from 0916 (committed on 0916 at
2300). I picked it up at 1600 on 0917.

Command used to check out:
cvs -d:pserver:[hidden email]:/cvsroot/audacity
checkout -D "20090916 1600" -d audacity_old audacity

I wanted to leave the existing audacity CVS in place so I checked out
to an audacity_old directory. I then just did the usual ./configure and
make and make install.

My testing shows that this version *does* fix the original problem I
reported, with one caveat. The files have to be at the same sample
rate, and that rate seems to have to be the project rate. Since this is
the only way I work with audacity, it fixes the problem for me. I can
duplicate, invert, time shift both tracks, and everything works as it
should as long as the two samples are the project rate.

When I use the 8000 Hz sample with 44100 Hz samples, the original
problem surfaces. The reason I never discovered it yesterday is that I
was only moving the 44100 Hz track. Today I moved both, and the 8000
Hz track got the starting silence when I did. If I moved the 8000 Hz
track back to zero, it started at the beginning again. And when I
duplicated, inverted and played the 8000 Hz track with a sample from
that track, my original problem of silence in the duplicated track
resurfaced.

If I resample the 8000 Hz track to 44100 Hz, it then works without
problem with the other samples.

It seems to be that if the sample is not at the project rate, it has
problems.

But it does suggest a workaround. Convert all samples to the project
sample rate and it should work fine.

I then rechecked the latest CVS checkout, and lo and behold it has the
same behavior. My perception that it had broken this was due to my
faulty testing with the earlier version.

So what was fixed after the 0914 version from CVS is that now samples
at the project rate work properly. Before they had the same behavior
as samples at non project rates. Progress!

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Gale (Audacity Team)

Re: Audio won't play when I move it

Reply Threaded

"stan-7" wrote:
On Fri, 18 Sep 2009 16:39:04 -0700
stan <gryt2@q.com> wrote:
>> > On Fri, 18 Sep 2009 20:20:47 +0100
>> > gale@audacityteam.org wrote:
>> >
>> > Stan, I've just updated on Ubuntu to latest CVS and I certainly
>> > still get the same problem when importing a one second file at a
>> > different rate, then time shifting it. It may be intermittent. The
>> > problem is always there for me at the moment, but sometimes
>> > none of the clip will be played or rendered/exported at all,
>> > sometimes just a fraction of a second at the end of it.
>> >
>> > Gale
>> >
>> Unfortunately, with the latest checkout of CVS, I can confirm your
>> experience. And it isn't intermittent. It is broken every time. It
>> is possible I hit a window of opportunity, but it really seems
>> unlikely to me.
>>
>>... I'm going to look into reverting today's (Sept 18) changes and
>> recompile to see if I can get back to the working version.
>>
> OK, here is what I did. I checked out the CVS version of audacity from
> 20090916 at 1600. Originally, I had checked out the version from 0917,
> but I saw that the commits occur at 2300, so the last version that
> worked would have been the version from 0916 (committed on 0916 at
> 2300). I picked it up at 1600 on 0917.
>
> Command used to check out:
> cvs -d:pserver:anonymous@audacity.cvs.sourceforge.net:/cvsroot/audacity
> checkout -D "20090916 1600" -d audacity_old audacity
>
> I wanted to leave the existing audacity CVS in place so I checked out
> to an audacity_old directory. I then just did the usual ./configure and
> make and make install.
>
> My testing shows that this version *does* fix the original problem I
> reported, with one caveat. The files have to be at the same sample
> rate, and that rate seems to have to be the project rate. Since this is
> the only way I work with audacity, it fixes the problem for me. I can
> duplicate, invert, time shift both tracks, and everything works as it
> should as long as the two samples are the project rate.
>
> When I use the 8000 Hz sample with 44100 Hz samples, the original
> problem surfaces. The reason I never discovered it yesterday is that I
> was only moving the 44100 Hz track. Today I moved both, and the 8000
> Hz track got the starting silence when I did. If I moved the 8000 Hz
> track back to zero, it started at the beginning again. And when I
> duplicated, inverted and played the 8000 Hz track with a sample from
> that track, my original problem of silence in the duplicated track
> resurfaced.
>
> If I resample the 8000 Hz track to 44100 Hz, it then works without
> problem with the other samples.
>
> It seems to be that if the sample is not at the project rate, it has
> problems...

Hi Stan

CVS commits occur anytime, not just at 23:00.

If you update now, we think we've fixed what I reported:

* Set project rate to 44100 Hz and generate a 30 second tone
* Import a 1 second 11025 Hz file into the project
* Play both tracks and they sound fine
* Time-shift the 11025 Hz track to start at 5 seconds and
it won't be heard in the mix (or just plays at the end)

This works for me now on Windows XP and Ubuntu.

Can you try (after updating) your various tests with inversion and time shifting and let us know with steps to reproduce 1-2-3 any scenarios where playback between the clips is not synchronised.

For those on Windows, can you try 1.3.10 Alpha which also has our latest fix:
http://www.gaclrecords.org.uk/audacity-win-unicode-1.3.10-alpha.zip

To use that, extract the contents of the zip to a new folder and double-click audacity.exe from that new folder to launch it. It will not affect any installation of 1.3.9 you may have.

Thanks

Gale

stan-7

Re: Audio won't play when I move it

Reply Threaded

On Wed, 23 Sep 2009 02:19:27 -0700 (PDT)
"Gale (Audacity Team)" <[hidden email]> wrote:

> Hi Stan
>
> CVS commits occur anytime, not just at 23:00.

Generalizing from one sample - burned again :-)

>
> If you update now, we think we've fixed what I reported:
>
> * Set project rate to 44100 Hz and generate a 30 second tone
> * Import a 1 second 11025 Hz file into the project
> * Play both tracks and they sound fine
> * Time-shift the 11025 Hz track to start at 5 seconds and
> it won't be heard in the mix (or just plays at the end)
>
> This works for me now on Windows XP and Ubuntu.

Works beautifully here on Fedora 12, though using 8000 Hz
duplicated one second instead of sample of 11025 Hz.

Did manage to find a way to break it though; see below.

>
> Can you try (after updating) your various tests with inversion and
> time shifting and let us know with steps to reproduce 1-2-3 any
> scenarios where playback between the clips is not synchronised.

Everything that I originally tried works as expected. Good job! Thank
you.

However, I was playing around some more with the different rate scenario
above, and managed to make it break. Here are the steps

Do as you suggest above. Everything will work fine.

Then import another sound sample at the project rate, 44100. Cut a
chunk of about 8 seconds out of it and align the duplicated sample
track with zero.

Time shift the tone and the 1 sec slow track to be somewhere in the
range of the aligned with zero sample. The end of the tone will
be after the aligned with zero sample so only part of it will be played.

A single play with the aligned with zero sample highlighted works fine.

Duplicate another low speed sample (here I used one of about 3
seconds).

Time shift it to be somewhere in the play time of the zero aligned
sample, but after the original 1 second slow sample.

Press shift space to repeat the play of the highlighted aligned with
zero sample. The first time through all samples (tone, two slow
samples and aligned with zero highlighted) will play correctly,
but the second and subsequent plays, the 1 second slow sample will be
silent and will play instead just before the start of the 3 second
slow sample.

>From then on, the placement of the 1 sec slow sample is confused, even
if the 3 sec sample is muted. If everything is single played it works
fine again.

I got the same result cutting an 8 sec chunk out of the tone and
aligning it with zero instead of importing a second sample.

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Gale (Audacity Team)

Re: Audio won't play when I move it

Reply Threaded

Hi Stan

Thanks for the experiments. I'm not sure I quite understood your steps but I ended up with this layout from top to bottom:

1 original 30 second 44100 Hz chirp tone starting at 2s
2 imported 1 second 11025 Hz clip starting at 4s
3 imported 44100 Hz 3 minute clip as imported, starting at zero
4 10 second slice duplicated from track (3), shifted to zero
5 3 second slice duplicated from track (3), starting at 6s

When I did SHIFT + Space, it behaved exactly as you said, failing after the first play.

However, is this remaining issue only actually with loop play, because it's looking like that to me. On Windows XP I can reproduce this at will with a much simpler scenario:

1 Start clean project at 44100 Hz and generate 44100 Hz tone
2 Import 1 second 11025 Hz clip
3 This will leave the whole 30 seconds of the project selected. SHIFT and Space.
4 On first play, the tone and the clip will play together correctly for the first second, but when the playback cursor reaches about 25.75 seconds, the clip will play again. On subsequent plays of the 30 seconds, the clip will then be heard only at 25.75 seconds.
5 Play both tracks with Space and the issue does not arise.
6 Set the rate of the 11025 Hz clip to 44100 Hz, SHIFT and Space and the issue does not arise.

The tracks do mix and render correctly so not as bad as the last problem. I'll let you know when we've fixed this one. If you find any scenarios where normal play (Space) of multiple clips is desynchronised, please let us know.

Thanks

Gale

"stan-7" wrote:
On Wed, 23 Sep 2009 02:19:27 -0700 (PDT)
"Gale (Audacity Team)" <gale@audacityteam.org> wrote:

> Hi Stan
>
> CVS commits occur anytime, not just at 23:00.

Generalizing from one sample - burned again :-)

>
> If you update now, we think we've fixed what I reported:
>
> * Set project rate to 44100 Hz and generate a 30 second tone
> * Import a 1 second 11025 Hz file into the project
> * Play both tracks and they sound fine
> * Time-shift the 11025 Hz track to start at 5 seconds and
> it won't be heard in the mix (or just plays at the end)
>
> This works for me now on Windows XP and Ubuntu.

Works beautifully here on Fedora 12, though using 8000 Hz
duplicated one second instead of sample of 11025 Hz.

Did manage to find a way to break it though; see below.

>
> Can you try (after updating) your various tests with inversion and
> time shifting and let us know with steps to reproduce 1-2-3 any
> scenarios where playback between the clips is not synchronised.

Everything that I originally tried works as expected. Good job! Thank
you.

However, I was playing around some more with the different rate scenario
above, and managed to make it break. Here are the steps

Do as you suggest above. Everything will work fine.

Then import another sound sample at the project rate, 44100. Cut a
chunk of about 8 seconds out of it and align the duplicated sample
track with zero.

Time shift the tone and the 1 sec slow track to be somewhere in the
range of the aligned with zero sample. The end of the tone will
be after the aligned with zero sample so only part of it will be played.

A single play with the aligned with zero sample highlighted works fine.

Duplicate another low speed sample (here I used one of about 3
seconds).

Time shift it to be somewhere in the play time of the zero aligned
sample, but after the original 1 second slow sample.

Press shift space to repeat the play of the highlighted aligned with
zero sample. The first time through all samples (tone, two slow
samples and aligned with zero highlighted) will play correctly,
but the second and subsequent plays, the 1 second slow sample will be
silent and will play instead just before the start of the 3 second
slow sample.

From then on, the placement of the 1 sec slow sample is confused, even
if the 3 sec sample is muted. If everything is single played it works
fine again.

I got the same result cutting an 8 sec chunk out of the tone and
aligning it with zero instead of importing a second sample.

1 2