Re: Roku-tech Digest, Vol 7, Issue 27

That's what I was getting at.  The 169 AVX piece is probably creating an 
MPEG2 transport stream and it is probably just not perfect.  Direct uses 
DSS, which they came up, because MPEG2 and DVB standards were not yet  
ratified at the time they launched.

Dave Dodge wrote:

>On Mon, May 24, 2004 at 03:26:54PM -0700, Travis Clayton wrote:
>  
>
>>Dave Dodge wrote:
>>    
>>
>>>On Mon, May 24, 2004 at 09:34:05AM -0500, Clay Collier wrote:
>>>      
>>>
>>>>I have the 169time unit and DirecTV but the .ts files I have recorded do 
>>>>not play smoothly on the HD1000.
>>>>        
>>>>
>>>Just FYI, if you have a [short] sample clip that demonstrates the
>>>trouble, and can put it up on an FTP server or website somewhere,
>>>someone might be able to take a look at it.
>>>      
>>>
>>I can't say for sure but I would suspect the fact that Direct doesn't 
>>use MPEG2.
>>    
>>
>
>He said they "do not play smoothly", which implies to me that they at
>least play to some extent.  If they weren't MPEG2 transport streams
>I'd expect them to be _completely_ unplayable on the HD1000 -- just a
>black screen and no audio.
>
>Also, 169time is intended for use with DVHS recorder, so I'd think
>that it would have to emit an MPEG2 transport stream to be useful
>there.  But perhaps 169time is doing some processing up-front that
>leaves the stream just "good enough" for the typical DVHS machine but
>not the HD1000.
>
>That said, I believe you're right that at least one of the satellite
>or cable companies has been talking about using some other format
>(such as MPEG4) to get better compression.
>
>                                                    -Dave Dodge
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