@nao how do you explain this?
using qtaacenc-20100212 on a 121 minutes 6ch wav i get 538,097,995 bytes and using qtaacenc-20100218 with the same settings a get 558,822,574 bytes!
encoding line:
bepipe --script "import(^rawav.avs^)" | qtaacenc-20100212 --ignorelength --samplerate keep --highest --tvbr 127 - audio.6ch.q127.qtaacenc-20100212.m4a
result:
538,097,995 bytes
General
Complete name : audio.6ch.q127.qtaacenc-20100212.m4a
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42
File size : 513 MiB
Duration : 2h 1mn
Overall bit rate : 589 Kbps
Encoded date : UTC 2010-02-18 19:10:27
Tagged date : UTC 2010-02-18 19:11:02
Writing application : qtaacenc 20100212, QuickTime 7.6.5
Encoding Params : (Binary)
Audio
ID : 1
Format : AAC
Format/Info : Advanced Audio Codec
Format version : Version 4
Format profile : LC
Format settings, SBR : No
Codec ID : 40
Duration : 2h 1mn
Bit rate mode : Variable
Bit rate : 576 Kbps
Maximum bit rate : 847 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Rear: L R, LFE
Sampling rate : 48.0 KHz
Stream size : 511 MiB (100%)
Language : English
Encoded date : UTC 2010-02-18 19:10:19
Tagged date : UTC 2010-02-18 19:11:02
encoding line:
bepipe --script "import(^rawav.avs^)" | qtaacenc-20100218 --ignorelength --samplerate keep --highest --tvbr 127 - audio.6ch.q127.qtaacenc-20100218.m4a
result:
558,822,574 bytes
General
Complete name : audio.6ch.q127.qtaacenc-20100218.m4a
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42
File size : 533 MiB
Duration : 2h 1mn
Overall bit rate : 612 Kbps
Encoded date : UTC 2010-02-18 18:35:26
Tagged date : UTC 2010-02-18 18:36:02
Writing application : qtaacenc 20100218, QuickTime 7.6.5
Encoding Params : (Binary)
Audio
ID : 1
Format : AAC
Format/Info : Advanced Audio Codec
Format version : Version 4
Format profile : LC
Format settings, SBR : No
Codec ID : 40
Duration : 2h 1mn
Bit rate mode : Variable
Bit rate : 609 Kbps
Maximum bit rate : 962 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Rear: L R, LFE
Sampling rate : 48.0 KHz
Stream size : 531 MiB (100%)
Language : English
Encoded date : UTC 2010-02-18 18:35:18
Tagged date : UTC 2010-02-18 18:36:02
best regards
_