Now I know what to do next Thanks you very murch
On Fri, Dec 2, 2011 at 12:20 AM, Warren Young <war...@etr-usa.com> wrote: > On 12/1/2011 2:19 AM, Tuan DN wrote: > >> >> Is there any atom of mp4 container which contain sound volume value? >> > > Digital audio doesn't have volume any more than the transcript of a speech > includes tone of voice. > > The closest thing I could think of to what you're asking for would be to > somehow reference an audio effects filter from within the stream, so that > the downstream decompressor does the audio processing you need to increase > the audio level. > > A bit of quick Googling for QuickTime effects suggests that the 'geff' > atom might be employed for this purpose, but that doesn't exist in the more > tightly scoped MP4 format. (See > http://www.mp4ra.org/atoms.**html<http://www.mp4ra.org/atoms.html> > ) > > Ross is saying that you will probably have to decompress the audio, scale > the samples, then recompress the resulting audio stream. You're not going > to find a byte to diddle in the stream to magically boost the volume. > > ______________________________**_________________ > live-devel mailing list > live-devel@lists.live555.com > http://lists.live555.com/**mailman/listinfo/live-devel<http://lists.live555.com/mailman/listinfo/live-devel> >
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