Rockbox

  • Status Closed
  • Percent Complete
    100%
  • Task Type Patches
  • Category Recording
  • Assigned To No-one
  • Operating System All players
  • Severity Low
  • Priority Very Low
  • Reported Version Release 3.4
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by funman - 2010-05-09
Last edited by funman - 2010-05-13

FS#11257 - Sansa AMS: DMA recording

Tested on Fuzev2

I hear a big hiss at the start, and the recordings sound really bad

When watching a silent recording in audacity I see a small bar at a frequency which is the calling rate of the DMA callback.

   recording-dma.diff (6.6 KiB)
Closed by  funman
2010-05-13 05:26
Reason for closing:  Accepted
Additional comments about closing:  

r25980

funman commented on 2010-05-12 08:38

fixes stupid errors

seems to work fine

   recording-dma-v2.diff (7.3 KiB)
funman commented on 2010-05-12 09:44

avoid transferring 8188 bytes and then 4
fix pcm_rec_dma_get_peak_buffer
use 4 words transfer burst

   recording-dma-v3.diff (7.6 KiB)

Loading...

Available keyboard shortcuts

Tasklist

Task Details

Task Editing