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Topic: 3.90 stable and alt extreme ? (Read 3556 times) previous topic - next topic
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3.90 stable and alt extreme ?

Hi,

what has changed to exrteme ?

Suddenly in Lame 3.90 stable the bitrate is reduced a lot, eg. about 30 kbit/s.

My favourite test sample I test all new versions with, chnaged from average 280 to 253 kbit/s ??

And from one of the latest alphas with about 90% stereo frames, now with stable there are only 44% stereo frames left.

Use of short blocks is the same, 97%.

3.90 stable and alt extreme ?

Reply #1 –
I made a similar experience using --alt-preset standard.
???

3.90 stable and alt extreme ?

Reply #2 –
Quote
Originally posted by user
Hi,

what has changed to exrteme ?

Suddenly in Lame 3.90 stable the bitrate is reduced a lot, eg. about 30 kbit/s.

My favourite test sample I test all new versions with, chnaged from average 280 to 253 kbit/s ??

And from one of the latest alphas with about 90% stereo frames, now with stable there are only 44% stereo frames left.

Use of short blocks is the same, 97%.


This was part of the improvements made in rev9a.  rev9a, rev10 and 3.90 stable should produce identical results on this clip.

These modifications where made to produce a more stable bitrate of 256kbps, but there were also other internal modifications which increased quality for these situations as well.  It was basically a matter of using the bits in a more efficient manner.

3.90 stable and alt extreme ?

Reply #3 –
Quote
Originally posted by Weird Music Mafia
I made a similar experience using --alt-preset standard.
???


I'm can't really comment on this without more details.

Nothing should be different from rev10.

3.90 stable and alt extreme ?

Reply #4 –
Don't worry, Dibrom!
My latest big test was with rev8. So my 'experience' posted above was 3.90 stable compared to rev8.