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Content for
TS 26.290
Word version: 18.0.0
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6
Functional description of the decoder
6.1
Mono Signal Low-Band synthesis
6.2
Mono Signal High-Band synthesis
6.3
Stereo Signal synthesis
6.4
Stereo to mono conversion
6.5
Bad frame concealment
6.6
Output signal generation
7
Detailed bit allocation of the Extended AMR-WB codec
8
Storage and Transport Interface formats
8.1
Available Modes and Bitrates
8.2
AMR-WB+ Transport Interface Format
8.3
AMR-WB+ File Storage Format
$
Change history
6
Functional description of the decoder
p. 53
6.1
Mono Signal Low-Band synthesis
p. 53
6.1.1
ACELP mode decoding and signal synthesis
p. 54
6.1.2
TCX mode decoding and signal synthesis
p. 54
6.1.3
Post-processing of Mono Low-Band signal
p. 57
6.2
Mono Signal High-Band synthesis
p. 59
6.3
Stereo Signal synthesis
p. 62
6.3.1
Stereo signal low-band synthesis
p. 63
6.3.2
Stereo Signal Mid-Band synthesis
p. 64
6.3.3
Stereo Signal High-Band synthesis
p. 65
6.3.4
Stereo output signal generation
p. 65
6.4
Stereo to mono conversion
p. 65
6.4.1
Low-Band synthesis
p. 65
6.4.2
High-Band synthesis
p. 65
6.5
Bad frame concealment
p. 66
6.5.1
Mono
p. 66
6.5.1.1
Mode decoding and extrapolation
p. 66
6.5.1.2
TCX bad frame concealment
p. 68
6.5.1.2.1
Spectrum de-shaping
p. 68
6.5.1.2.2
Spectrum Extrapolation
p. 68
6.5.1.2.3
Amplitude Extrapolation
p. 69
6.5.1.2.4
Phase Extrapolation
p. 69
6.5.2
Stereo
p. 70
6.5.2.1
Low-band
p. 70
6.5.2.2
Mid-band
p. 71
6.6
Output signal generation
p. 71
7
Detailed bit allocation of the Extended AMR-WB codec
p. 72
8
Storage and Transport Interface formats
p. 78
8.1
Available Modes and Bitrates
p. 78
8.2
AMR-WB+ Transport Interface Format
p. 81
8.3
AMR-WB+ File Storage Format
p. 83
$
Change history
p. 85