Test versions: exhale_ad888151-Linux-armv7l.bz2 - exhale_ad888151-macOS-amr64.zip
From macOS Terminal
exhale 1 vite.wav vite.m4a
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| exhale - ecodis extended high-efficiency and low-complexity encoder |
| |
| version 1.1.4 (ARM, built on Mar 24 2021) - written by C.R.Helmrich |
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WARNING: The input sampling rate should be 32 kHz or less for preset mode 1!
Encoding 44-kHz 2-channel 16-bit WAVE to low-complexity xHE-AAC at 64 kbit/s
Progress: --------------------------------- Done, actual average 67.9 kbit/s
Input statistics: File loudness -7.15 LUFS, sample peak level -0.00 dBFS
Before compression
File type ID: WAVE
Num Tracks: 1
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Data format: 2 ch, 44100 Hz, 'lpcm' (0x0000000C) 16-bit little-endian signed integer
no channel layout.
estimated duration: 29.998571 sec
audio bytes: 5291748
audio packets: 1322937
bit rate: 1411200 bits per second
packet size upper bound: 4
maximum packet size: 4
audio data file offset: 4096
optimized
source bit depth: I16
Loudness Info:
additional loudness parameters :
aa noise floor master : "-75.01 -75.66"
aa headroom master : "0.001957 0.000000"
aa source bandwidth master : "17140 20887"
main loudness parameters :
aa ebu max momentary loudness : -5.09673
aa ebu top of loudness range : -6.65
aa itu sample peak : 0
aa itu true peak : 1.67381
aa ebu max short-term loudness : -6.45551
aa ebu loudness range : 0.899998
aa itu loudness : -7.11756
dialogue anchor parameters :
aa speech activity percentage : 8.01282
aa ebu loudness range : 5.1
aa itu loudness : -13.5581
sound check info :
sc ave perceived power coeff : "7963 6942"
sc max perceived power coeff : "58005 62592"
sc peak amplitude msec : "46 395"
sc max perceived power msec : "5782 5782"
sc peak amplitude : "32767 32768"
bit depth pcm master : 16
sound check volume normalization gain: -8.88 dB
After compression
File type ID: WAVE
Num Tracks: 1
----
Data format: 2 ch, 44100 Hz, 'lpcm' (0x0000000C) 16-bit little-endian signed integer
no channel layout.
estimated duration: 29.998571 sec
audio bytes: 5291748
audio packets: 1322937
bit rate: 1411200 bits per second
packet size upper bound: 4
maximum packet size: 4
audio data file offset: 4096
optimized
source bit depth: I16
Loudness Info:
additional loudness parameters :
aa noise floor master : "-98.68 -99.41"
aa headroom master : "0.000000 0.000000"
aa source bandwidth master : "14643 14643"
main loudness parameters :
aa ebu max momentary loudness : -5.4357
aa ebu top of loudness range : -6.85
aa itu sample peak : 0
aa itu true peak : 1.98502
aa ebu max short-term loudness : -6.67604
aa ebu loudness range : 0.900002
aa itu loudness : -7.31181
dialogue anchor parameters :
aa speech activity percentage : 8.01282
aa ebu loudness range : 6.3
aa itu loudness : -13.366
sound check info :
sc ave perceived power coeff : "7416 6558"
sc max perceived power coeff : "51679 49534"
sc peak amplitude msec : "70 70"
sc max perceived power msec : "5782 5782"
sc peak amplitude : "32768 32768"
sound check volume normalization gain: -8.69 dB
At first listening I did not notice any differences in the audio level, which however are found in the metadata of the wav files.
The two details: before.txt - after.txt.