How fast is your Bluetooth LAN?

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Icarus

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#1687 9-Jun-2004 18:19

Ok - I'm trying to do some research to work out whether it's viable to stream low-bitrate MPEG4 to a PDA through a home Bluetooth network.

What I know so far -

Two forms of transmission;
SCO (Synchronously) - Full duplex at 64kbits/s, used for voice transmission.
ACL (Asynchronously) - Half duplex at 721kbits/s, (721kbits/s upstream, 57.6kbits/s downstream), used for data. Also data transmission is available synchronously at 432.6kbits/s send and receive.

What speeds do people get on their Bluetooth LAN with a high end PDA (400Mhz). Has anyone set up streaming MPEG4 over a Bluetooth network? At what speed? (I'm looking at setting up this application - http://www.videolan.org/streaming with a Palm T3 and MMPlayer)

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#6446 9-Jun-2004 19:36

I think the downstream and upstream speeds are the other way around... Never measured the speed on LAN connection, but File Transfer in my case reaches 46KBps (thats KBytes, not Kbits)

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Icarus

2 posts

Wannabe Geek
Inactive user

#6455 10-Jun-2004 00:09

So at 46.2 KBps, that would be ~416 kbits/s (8 bits to a byte + 1 stop bit - ie. 46.2 x 9)? Would it be safe to assume that your Bluetooth LAN is operating in the asynchronous form of transmission with send/receive at max rate of 432.6 kbits/s (and also given it's a file transfer rather than streaming data).

Just wondering if anyone has played with streaming data over BT?