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To: fyeung@fyeung8.netific.com (Francis Yeung)
cc: pete@sms.fi, multimedia@FreeBSD.ORG
Subject: Re: real time mpg3 encoder? 
In-reply-to: Your message of "Fri, 16 May 1997 14:37:04 PDT."
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Date: Fri, 16 May 1997 19:00:56 -0700
From: Amancio Hasty <hasty@rah.star-gate.com>
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Actually, mpeg1 layer 3 is very very nice codec for cool audio broadcasts
it is much better than PCM 8)

Now the other missing piece is a high performance video codec and for
now  H.263 is out.

	Cheers,
	Amancio

>From The Desk Of Francis Yeung :
> 
> Pete,
> 
> Thank you for the education.
> 	
> Now, I understand.
> 
> You folks are talking about MPEG1 layer 3 audio streams and 
> players.  MPEG1 audio can be encoded in 3 standards called layers.  
> MPEG2 can also support MPEG1 audio.  MPEG2 audio added surround sound 
> with 5.1 channels.  DVD uses MPEG2 video but MPEG2 audio only in 
> Europe, Dolby AC3 audio in the US.   In the past, most MPEG (1 
> and 2) players and encoders are for layer 1 and 2.  Layer 3 is for 
> low bit rate encoding and only until recently people are using layer 
> 3 to stream high quality audio on Internet.
> 
> Many thanks.
> 
> Francis
> 
> 
> > From root@fyeung25.netific.com Fri May 16 14:26 PDT 1997
> > Date: Fri, 16 May 1997 21:36:51 +0300 (EEST)
> > From: Petri Helenius <pete@sms.fi>
> > To: fyeung@fyeung8.netific.com (Francis Yeung)
> > Cc: hasty@rah.star-gate.com, multimedia@FreeBSD.ORG
> > Subject: Re: real time mpg3 encoder?
> > 
> > 
> > Francis Yeung writes:
> >  > 
> >  > Greetings,
> >  > 
> >  > 	Correct me if I am wrong.
> >  > 
> >  > 	I thought MPEG 3 is dead and MPEG 4 is the way to do. 
> >  > 	
> > As I said, there is no MPEG-3. But there is MPEG Audio Layer-3.
> > 
> > MPEG-4 is a low-bandwidth video codec.
> > 
> > Pete
> > 
> > 
> >