关于蓝牙SCO连接格式

miyahuan

在发送AT命令进行蓝牙与HS的连接时
有两种格式，一种是HV3,一种是HV1
请问这两种格式分别是什么意思啊？
分别有什么不同啊？
麻烦各位大侠帮忙啊！~~~

miyahuan

高手快帮帮忙啊~~~

呜呜[em03]

miyahuan

[em03]

xy_fly

An HV3 packet carries 30 bytes of encoded speech with no error correction.
A SCO link using HV3 packets reserves every third pair of time
slots available to a device.
An HV2 packet carries 20 bytes of encoded speech plus 2/3 Forward
Error Correction (for every 2 bits of data, 1 bit of error correction is
added to give a total of 3 bits). A SCO link using HV2 packets reserves
every second pair of time slots available to a device.
An HV1 packet carries just 10 bytes of encoded speech protected with
1/3 Forward Error correction (for every bit of data, 2 bits of error correction
is added to give a total of 3 bits). A SCO link using HV1 packets
reserves every pair of time slots available to a device.