Support and General Use > Recording
Recording Enhancements Pack
IpaqMan:
I understand that most recording users stay with uncompressed recording, but some of us are using the H1xx for recording classes and 64K mp3s are sufficient. With that in mind, the disk space warning seems to be based upon uncompressed recording and the recording screen minutes left on disk seems to be based upon uncompressed recording, too.
IMHO, the disk space warning and the minutes left display should account for the actual recording quality.
Mmmm:
--- Quote from: IpaqMan on September 27, 2006, 09:49:08 PM ---I understand that most recording users stay with uncompressed recording, but some of us are using the H1xx for recording classes and 64K mp3s are sufficient. Â With that in mind, the disk space warning seems to be based upon uncompressed recording and the recording screen minutes left on disk seems to be based upon uncompressed recording, too. Â
IMHO, the disk space warning and the minutes left display should account for the actual recording quality.
--- End quote ---
Good point, I hadn't thought of that!
Llorean:
I was curious: Does encoding happen during prerecord? Or does it not start until recording is active? I mean, I can't think of a time I'd need a 10 minute pre-record unless I just forgot to press record for some reason, but it was simply a thought I had. (Also, better battery life while not recording if encoding is able to be postponed until recording starts.)
petur:
--- Quote from: Llorean on September 28, 2006, 06:47:07 AM ---I was curious: Does encoding happen during prerecord? Or does it not start until recording is active? I mean, I can't think of a time I'd need a 10 minute pre-record unless I just forgot to press record for some reason, but it was simply a thought I had. (Also, better battery life while not recording if encoding is able to be postponed until recording starts.)
--- End quote ---
Yes, the way it is currently implemented, the codec is init and runs as soon as pre-recording starts, and any chunk the DMA handler releases is picked up by the encoder.
The pre-recording logic was also moved to act on encoded chunks.
To solve the spdif samplerate issue and to save battery life, it would be better to handle the pre-recording in the WAV buffer, not the encoder buffer.
larry_llama:
Has anyone tested: does the battery last longer using wav (more disk access/less processing) or wavpack (less disk access/more processing)? Just curious!
PS thanks again to everyone who has coded (and tested (and made suggestions)) toward making this recording package a reality!
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