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Author Topic: jgreen: MC 11 Track Change Issue  (Read 1054 times)

jgreen

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jgreen: MC 11 Track Change Issue
« on: May 26, 2005, 04:55:38 pm »

No progrees on the issue of MC truncating song when going from wav (1536 kbps) to wav (1411 kbps).  In rev .278 song truncation is equal to size of buffer at all settings.

Guys, this seems like an issue worth going after.  My guess is that MC is simply not caching for a 1536 kbps wave file.
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Matt

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Re: jgreen: MC 11 Track Change Issue
« Reply #1 on: May 26, 2005, 05:05:58 pm »

I can't reproduce this.

Could you post more information like:

1) output mode (ASIO, DirectSound, etc.)
2) buffering setting
3) between tracks mode
4) DSPs enabled

Also, try switching the above things to isolate exactly where the problem is.

Thanks jgreen.
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Matt Ashland, JRiver Media Center

jgreen

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Re: jgreen: MC 11 Track Change Issue
« Reply #2 on: May 26, 2005, 05:28:20 pm »

Matt--
Thank you for addressing my request.  I'll give you all the info I can, and if it still can't be reproduced, I'll assume the problem's on my end and drop it.

Media Center Registered 11.0.278 -- C:\Program Files\J River\Media Center 11.0.278\

Microsoft Windows 2000 5.0 Service Pack 4 (Build 2195)
Intel Pentium 4 1391 MHz MMX / Memory: Total - 2096 MB, Free - 1530 MB

Internet Explorer: 6.0.2800.1106 / ComCtl32.dll: 5.81 / Shlwapi.dll: 6.00.2800.1612 (xpsp2.041207-1145) / Shell32.dll: 5.00.3900.7032 / wnaspi32.dll: 4.71 (0001) , ASPI for Win32 (95/NT) DLL, Copyright © 1989-2002 Adaptec, Inc. / Aspi32.sys: 4.71 (0001)

Ripping /   Drive D: _NEC    DV-5800A          Mode:Normal  Type:Auto  Speed:Max
  Drive E:   Mode:Normal  Type:Auto  Speed:Max
  Digital playback: Yes /  Use YADB: Yes /  Get cover art: No /  Calc replay gain: No /  Copy volume: 32767
  Eject after ripping: Yes /  Play sound after ripping: No 

Burning /  Drive E: DVDRW    IDE 16X            Addr: 0:1:0  Speed:4  MaxSpeed:48  BurnProof:Yes
  Test mode: No /  Eject after writing: Yes /  Direct decoding: Yes /  Write CD-Text: Yes
  Use playback settings: No /  Normalization: None


The issue is only going from wav files at 1536 kbps to wav files at 1411 kbps.  All settings of buffer currently cut into the previous (1536) track and start the new(1411) track equal to the buffer setting.

True for both Output modes:  Wave out AND Direct sound.
Switch tracks: gapless
Seek: Gapless
Stop:  Immediate

Just tried it with Switch tracks: Standard (gapped), at settings of .1 sec and 10 sec (in addition to the 5 second buffer.  Track still cut out 5 seconds early, and then observed the appropriate silence, .1 sec and 10 seconds.

As for DSP's, soundcard output is SB Audigy (DC60).
True when equalizer set to custom EQ Or flat eq
FX: Concert Hall/2
Virtual Subwoofer (none)
Surround field: wide
Overflow Handling:  Clip Protection
Replay gain: track based, + fixed adjustment +5dB
Output format:  32-bt/Source/Source  (per your recommendation for DSP headroom).

Thank you for your help, Matt.
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Matt

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Re: jgreen: MC 11 Track Change Issue
« Reply #3 on: May 26, 2005, 05:34:57 pm »

Thanks, now it makes sense.

When the audio format changes, we need to close and reopen the soundcard.  We must not be taking the output buffering into account before resetting and reopening the soundcard.

We'll try to fix it next build.  Until then, enable "48khz" in Output Format and the audio format won't change between tracks, side-stepping the problem.

Thanks for the detailed explanation.
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Matt Ashland, JRiver Media Center

jgreen

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Re: jgreen: MC 11 Track Change Issue
« Reply #4 on: May 26, 2005, 05:41:34 pm »

10-4 your 48kHz, big buddy.  You da man! 
CPU load goes up slightly, but no big deal.  Problemo goes bye-bye.
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