[M4IF Technotes] MPEG-4 Audio

[Biswajit Biswas]

Hi Arcin,
If you want to stream  GSM-AMR speech along with MPEG4 video (simple
profile), you can use ASF (Microsoft) format for streaming.
regards
Biswajit
Ralph Neff wrote:
> 
> Hi Arcin,
> 
> MPEG-4 doesn't currently include AMR in any of its
> specifications.  If you're coming from the MPEG-4 world
> and you want to stream speech, you'd use MPEG-4 CELP.
> (This is what you'd find if you picked up the ISMA spec,
> for example).
> 
> If you're interested in streaming AMR along with MPEG-4
> visual, for example, you should take a look at the 3GPP
> Packet-Switched Streaming specification.  This describes
> audio/visual streaming over wireless (e.g. UMTS)
> connections.  3GPP has for example defined extensions to
> allow AMR and H.263 tracks to be included in an MP4 file.
> The streaming itself is based on the various IETF payload
> formats (so AMR isn't "in an MPEG-4 stream" as you posed
> in your question).
> 
> -Ralph
> 
> -----Original Message-----
> From: Arcin Bozkurt [mailto:arcin   atsana.com]
> Sent: Thursday, May 30, 2024 10:59 AM
> To: technotes   lists.m4if.org
> Subject: [M4IF Technotes] MPEG-4 Audio
> 
> Can GSM-AMR be transmitted in an MPEG-4 stream?
> 
> Does have to be MPEG-4 Celp that has to be transmitted?
> 
> -arcin
> 
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