First tapes from OOPSLA - Squeak BOF

> Hi folks!
>
> Ok, the first tape is up now - second will be up very soon, third  
> coming
> in a day or two, read more here:
>
> http://goran.krampe.se/blog/OOPSLA/OOPSLA07-1.rdoc
>
> regards, Göran
>

> Thanks Goran,
>
> This is great!
>
> Would it be possible to get the raw file? I would like to put it on youtube
>
> Cheers,
> Alexandre
>
>
> On 25 Oct 2007, at 08:28, [hidden email] wrote:
>
>> Hi folks!
>>
>> Ok, the first tape is up now - second will be up very soon, third coming
>> in a day or two, read more here:
>>
>> http://goran.krampe.se/blog/OOPSLA/OOPSLA07-1.rdoc
>>
>> regards, Göran
>>
>

> I think youtube has a limit that is well below the 1h length and 700MB
> size. Here [1] is a version of the first video on sevenload.
>
> Alex
>
> [1] http://en.sevenload.com/videos/fLnZ2gj/Squeak-BOF-OOPSLA-2007-1-3
>
> Bergel, Alexandre schrieb:
>> Thanks Goran,
>>
>> This is great!
>>
>> Would it be possible to get the raw file? I would like to put it on
>> youtube
>>
>> Cheers,
>> Alexandre
>>
>>
>> On 25 Oct 2007, at 08:28, [hidden email] wrote:
>>
>>> Hi folks!
>>>
>>> Ok, the first tape is up now - second will be up very soon, third
>>> coming
>>> in a day or two, read more here:
>>>
>>> http://goran.krampe.se/blog/OOPSLA/OOPSLA07-1.rdoc
>>>
>>> regards, Göran
>>>
>>
>
>

> Hi fellas!
>
> The "raw file" is about 12Gb for 1 hour. :) I am using XviD, 2-pass
> encoding and setting size to 700Mb (though they seem to end up around
> 780). This was a quality level I ended up with when I taped Bryce in
> Brussels - in order to have legible text on the projector.
>
> Someone told me to use a quantizer - perhaps it was Marcus Denker? I
> haven't done that though - should check before encoding the rest of the
> tapes.
>
> I will try to get some more files done later tonight.
>
> regards, Göran
>
>  
>> I think youtube has a limit that is well below the 1h length and 700MB
>> size. Here [1] is a version of the first video on sevenload.
>>
>> Alex
>>
>> [1] http://en.sevenload.com/videos/fLnZ2gj/Squeak-BOF-OOPSLA-2007-1-3
>>
>> Bergel, Alexandre schrieb:
>>    
>>> Thanks Goran,
>>>
>>> This is great!
>>>
>>> Would it be possible to get the raw file? I would like to put it on
>>> youtube
>>>
>>> Cheers,
>>> Alexandre
>>>
>>>
>>> On 25 Oct 2007, at 08:28, [hidden email] wrote:
>>>
>>>      
>>>> Hi folks!
>>>>
>>>> Ok, the first tape is up now - second will be up very soon, third
>>>> coming
>>>> in a day or two, read more here:
>>>>
>>>> http://goran.krampe.se/blog/OOPSLA/OOPSLA07-1.rdoc
>>>>
>>>> regards, Göran
>>>>
>>>>        
>>    
>
>
>
>
>  

> Hey Göran,
>
> It seems to me you're dealing with MiniDV video.
>
> If you're encoding a one hour long tape, then it's very likely those
> 80mb may be the audio which is not accounted for.  Now, MiniDV cameras
> typically record in 12bits/44khz, or 16bit/32khz.  Either way, if you
> convert down to mono and downsample to 32khz with an audio program, then
> you can use something like 48kbps LAME CBR mp3 encoding, which will
> reduce the amount of space you need to dedicate to the audio.  This
> should sound reasonably well.  If you're inclined to, you may want to
> train a noise reduction filter and run the audio through that first.  If
> all you care is about voice, you can downsample all the way down to
> 22khz or even 16khz without much loss of anything.  If you go below
> 16khz, then female voices will start suffering.  Less khz, less bitrate
> necessary to encode it, and more bits you can dedicate to video.
>
> Regarding the video, and particularly for presentations, you may want to
> run the raw file through a temporal smoother filter.  VirtualDub has
> one, and I've used it more than once with very nice results (e.g. about
> 80 mins of DivX half resolution video in about 200mb, including the
> audio!).  This will eliminate noise while making video look very nice,
> and a side effect is that you get better quality from the video encoder
> since it has less high frequency noise to deal with.  In other words,
> less bitrate dedicated to the grainy mess, and more bitrate dedicated to
> e.g.: making the slides legible :).
>
> Something else that you may want to try is either tell XviD to preserve
> the interlace, or just deinterlace the video altogether.  Deinterlacing
> properly without ruining the resolution is difficult, but done well it
> looks fantastic in progressive monitors.  Essentially you get (assuming
> PAL) 50fps of almost full resolution frames.  The only bad thing about
> this is that it takes more space.  You may get away with it if you run
> the whole thing through a temporal smoother filter first.
>
> Hope this helps,
> Andres.
>
>
> Göran Krampe wrote:
>> Hi fellas!
>>
>> The "raw file" is about 12Gb for 1 hour. :) I am using XviD, 2-pass
>> encoding and setting size to 700Mb (though they seem to end up around
>> 780). This was a quality level I ended up with when I taped Bryce in
>> Brussels - in order to have legible text on the projector.
>>
>> Someone told me to use a quantizer - perhaps it was Marcus Denker? I
>> haven't done that though - should check before encoding the rest of the
>> tapes.
>>
>> I will try to get some more files done later tonight.
>>
>> regards, Göran
>>
>>  
>>> I think youtube has a limit that is well below the 1h length and 700MB
>>> size. Here [1] is a version of the first video on sevenload.
>>>
>>> Alex
>>>
>>> [1] http://en.sevenload.com/videos/fLnZ2gj/Squeak-BOF-OOPSLA-2007-1-3
>>>
>>> Bergel, Alexandre schrieb:
>>>    
>>>> Thanks Goran,
>>>>
>>>> This is great!
>>>>
>>>> Would it be possible to get the raw file? I would like to put it on
>>>> youtube
>>>>
>>>> Cheers,
>>>> Alexandre
>>>>
>>>>
>>>> On 25 Oct 2007, at 08:28, [hidden email] wrote:
>>>>
>>>>      
>>>>> Hi folks!
>>>>>
>>>>> Ok, the first tape is up now - second will be up very soon, third
>>>>> coming
>>>>> in a day or two, read more here:
>>>>>
>>>>> http://goran.krampe.se/blog/OOPSLA/OOPSLA07-1.rdoc
>>>>>
>>>>> regards, Göran
>>>>>
>>>>>        
>>>    
>>
>>
>>
>>
>>  
>
>