问下BT HFP里的in band ring铃声数据编码到底属于HFP还是A2DP
如题.
HFP里写的是
Codec Support in HF Support in AG
1. CVSD窄带,采样率8k,mono M M
2. mSBC 宽带,采样率16k,mono C.1 C.1
A2DP写的是
Codec Type Support Ref.
SBC M 4.3
MPEG-1,2 Audio O 4.4
MPEG-2,4 AAC O 4.5
ATRAC family O 4.6
另外发现用iphone, 手机的铃声可以传给车载收音机,但andriod的好像不行,这是为什么?求大神解答.