CC2564_15 Datasheet, PDF (23/47 Pages) Texas Instruments – Bluetooth® and Dual-Mode Controller

CC256x
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SWRS121D – JULY 2012 – REVISED JANUARY 2014
Table 3-7. Recommended Parameters for the SBC Scheme in Assisted A2DP Modes
SBC
Encoder
Settings ⁽¹⁾
Mono
Mid Quality
Joint Stereo
Sampling
frequency
44.1
48
44.1
48
44.1
(kHz)
Bitpool value
19
18
35
33
31
Resulting
frame length
46
44
83
79
70
(bytes)
Resulting bit
rate (Kbps)
127
132
229
237
193
(1) Other settings: Block length = 16; allocation method = loudness; subbands = 8.
Mono
High Quality
Joint Stereo
48
44.1
48
29
53
51
66
119
115
198
328
345
The SBC scheme supports a wide variety of configurations to adjust the audio quality. Table 3-8 through
Table 3-15 list the supported SBC capabilities in the assisted A2DP modes.
Channel Mode
Mono
Stereo
Joint stereo
Table 3-8. Channel Modes
Status
Supported
Supported
Supported
Table 3-9. Sampling Frequency
Sampling Frequency (kHz)
16
44.1
48
Status
Supported
Supported
Supported
Block Length
16
Table 3-10. Block Length
Status
Supported
Subbands
8
Table 3-11. Subbands
Status
Supported
Allocation Method
Loudness
Table 3-12. Allocation Method
Status
Supported
Table 3-13. Bitpool Values
Bitpool Range
Assisted A2DP sink: TBD
Assisted A2DP source: 2–57
Status
Supported
Supported
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