Support and General Use > Recording

New Codec and FM Recording for iAudio and iRiver

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jhMikeS:
Actually it really doesn' t sound too bad.

I need to know all the details cause I'm including sample rates/bit rates and other config options for codecs soon.

What MPEG versions does it support?

So you only have full stereo/mono? I though I saw references to joint stereo in there somewhere. What's missing for it?

pabouk:
Firstly I would like to thank you for this great addition.


--- Quote from: Toni on September 01, 2006, 11:57:04 AM ---With MP3 recording you can expect disk access every 54min at 64kBit,MP3,Mono.
--- End quote ---
Unfortunately the disk spins up at the beginning of every recorded file i.e. when you start recording or when you split the recorded file so it is still hardly usable for recording from the internal microphone.

It would be much more useful if the disk spins up only after stopping the recording OR even after some delay after recording several files - so you can record for example several dictaphone notices without the harddrive noise.


--- Quote ---Unfortunately mono cannot be selected right now from the recording settings menu.

--- End quote ---
Could you please implement more mono modes? - i.e.:
left channel
right channel
downmixed L+R (normal mono)

AlexP:
It HAS to spin up as soon as the buffer is full in order to write the data to disk otherwise it would be lost.  Only a certain time period could be recorded (depending on bitrate etc) before flushing to disk.  AFAIK this is what happens now, it spins up as little as possible just to empty the buffer (not sure about at the start)

pabouk:
It is clear that Rockbox has to write the buffer when it is full.

English is not my native language so excuse me for clumsily expressing my ideas. I will try it once more:

Rockbox spins up the harddrive immediately when you START recording.
(or when you split the recorded file by pressing the RECORD button)

It means that you will hear the harddrive noise at the beginning of every recorded file when you record from the internal microphone or when the external microphone picks up the noise (i.e. in a quiet room).

keuleJ:
I think it's very useful to write down the finished file to disk when you split files. In case something happens, at least the finished file is completely saved.

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