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stuttering #9

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1. playing AIFF files of any resolution causes stuttering and blurred sound. 
Not a problem with flac files.
2.
3.

What is the expected output? What do you see instead? normal playback

What version of the product are you using? On what operating system?0.5.3

Please provide any additional information below. Mac OS 10.6.6, MacMini Intel

Original issue reported on code.google.com by russell....@gmail.com on 18 Jan 2011 at 11:13

GoogleCodeExporter commented 8 years ago 
Can you give more details ?
Length of files, available RAM ?
Output of "Debug Info"?
Occurence?
Detailed how to reproduce procedure ?

Original comment by au.damie...@gmail.com on 23 Jan 2011 at 11:38

GoogleCodeExporter commented 8 years ago 
Note that 1GB RAM seems no to be enough (from other users experience).

Original comment by au.damie...@gmail.com on 23 Jan 2011 at 11:39

GoogleCodeExporter commented 8 years ago 
My computer has 2 gig of ram. The files are free samples from the Bravura 
Records site. The one I have is Carol of the Bells. It's an AIF file in 24/44 
format. The format made made me wonder if that was the problem. The file plays 
fine with Decibel. I don't have the Debug info. Would you desribe how to get 
that ?

Original comment by russell....@gmail.com on 23 Jan 2011 at 7:28

GoogleCodeExporter commented 8 years ago 
BTW I'm using 0.5.4

Original comment by russell....@gmail.com on 23 Jan 2011 at 7:29

GoogleCodeExporter commented 8 years ago 
Debug Info is a command in the Audirvana menu.
Launch it while playing to get better status.

Original comment by au.damie...@gmail.com on 30 Jan 2011 at 11:21

GoogleCodeExporter commented 8 years ago 
Damien: I was mistaken. If I play the files through my computer's internal 
speaker they are fine. It must be an issue with my DAC. Do you still want 
debugging info?
Guy

Original comment by russell....@gmail.com on 30 Jan 2011 at 4:26

GoogleCodeExporter commented 8 years ago 
Sure, it'll still be interesting. With also the exact computer reference, the 
USB peripherals connected, if it occurs whatever the USB port used, and if it 
still occcurs when either hog mode is off, or max I/O buffer is off.
Damien

Original comment by au.damie...@gmail.com on 2 Feb 2011 at 9:08

GoogleCodeExporter commented 8 years ago 
Audirvana rev. 0.5.4 debug information:

Hog Mode is on
Devices found : 3

List of devices:
Device #0: ID 0x10a Built-in Output UID:Built-in Output
Device #1: ID 0x104 Soundflower (2ch)   UID:Soundflower (2ch)
Device #2: ID 0x101 Soundflower (16ch)  UID:Soundflower (16ch)

Selected device:
ID 0x10a Built-in Output    UID:Built-in Output
3 available sample rates up to 96000.0Hz
44100.0
48000.0
96000.0

Audio buffer frame size : 14 to 4608 frames
Physical (analog) volume control: Yes
Virtual (digital) volume control: Yes
Preferred stereo channels L:1 R:2
Channel mapping: L:Stream 0 channel 0 R:Stream 0 channel 1

1 output streams:
Stream ID 0x10b 2 channels starting at 1
3 virtual formats:
Mixable linear PCM Interleaved 32bits little endian  Float @96.0kHz
Mixable linear PCM Interleaved 32bits little endian  Float @48.0kHz
Mixable linear PCM Interleaved 32bits little endian  Float @44.1kHz

9 physical formats
Mixable linear PCM Interleaved 16bits little endian Signed Integer @96.0kHz
Mixable linear PCM Interleaved 16bits little endian Signed Integer @48.0kHz
Mixable linear PCM Interleaved 16bits little endian Signed Integer @44.1kHz
Mixable linear PCM Interleaved 20bits little endian Signed Integer aligned low 
in 32bit @96.0kHz
Mixable linear PCM Interleaved 20bits little endian Signed Integer aligned low 
in 32bit @48.0kHz
Mixable linear PCM Interleaved 20bits little endian Signed Integer aligned low 
in 32bit @44.1kHz
Mixable linear PCM Interleaved 24bits little endian Signed Integer aligned low 
in 32bit @96.0kHz
Mixable linear PCM Interleaved 24bits little endian Signed Integer aligned low 
in 32bit @48.0kHz
Mixable linear PCM Interleaved 24bits little endian Signed Integer aligned low 
in 32bit @44.1kHz

Original comment by russell....@gmail.com on 5 Feb 2011 at 5:47

GoogleCodeExporter commented 8 years ago 
My computer is a Mac Mini Intel 2 gig RAM. Files played through Core Audio 
using internal speaker. Hog mode on. Max I/O buffer. No problems at this point.

Original comment by russell....@gmail.com on 5 Feb 2011 at 5:51

GoogleCodeExporter commented 8 years ago 
Problem returns. Same file as I mentioned initially. Same setup but using 0.5.6
Audirvana rev. 0.6.1 debug information:

Currently playing in standard 32bit float mode

Hog Mode is on
Devices found : 3

List of devices:
Device #0: ID 0x10a Built-in Output UID:Built-in Output
Device #1: ID 0x104 Soundflower (2ch)   UID:Soundflower (2ch)
Device #2: ID 0x101 Soundflower (16ch)  UID:Soundflower (16ch)

Selected device:
ID 0x10a Built-in Output    UID:Built-in Output
3 available sample rates up to 96000.0Hz
44100.0
48000.0
96000.0

Audio buffer frame size : 29 to 4608 frames
Physical (analog) volume control: Yes
Virtual (digital) volume control: Yes
Preferred stereo channels L:1 R:2
Channel mapping: L:Stream 0 channel 0 R:Stream 0 channel 1

1 output streams:
Stream ID 0x10b 2 channels starting at 1
3 virtual formats:
Mixable linear PCM Interleaved 32bits little endian  Float @96.0kHz
Mixable linear PCM Interleaved 32bits little endian  Float @48.0kHz
Mixable linear PCM Interleaved 32bits little endian  Float @44.1kHz

9 physical formats
Mixable linear PCM Interleaved 16bits little endian Signed Integer @96.0kHz
Mixable linear PCM Interleaved 16bits little endian Signed Integer @48.0kHz
Mixable linear PCM Interleaved 16bits little endian Signed Integer @44.1kHz
Mixable linear PCM Interleaved 20bits little endian Signed Integer aligned low 
in 32bit @96.0kHz
Mixable linear PCM Interleaved 20bits little endian Signed Integer aligned low 
in 32bit @48.0kHz
Mixable linear PCM Interleaved 20bits little endian Signed Integer aligned low 
in 32bit @44.1kHz
Mixable linear PCM Interleaved 24bits little endian Signed Integer aligned low 
in 32bit @96.0kHz
Mixable linear PCM Interleaved 24bits little endian Signed Integer aligned low 
in 32bit @48.0kHz
Mixable linear PCM Interleaved 24bits little endian Signed Integer aligned low 
in 32bit @44.1kHz

Original comment by russell....@gmail.com on 16 Feb 2011 at 4:28

GoogleCodeExporter commented 8 years ago 
Sorry it's version 6.1

Original comment by russell....@gmail.com on 16 Feb 2011 at 4:29

GoogleCodeExporter commented 8 years ago 
Thanks, so I can close the bug.
FYI, if you get stuttering associated with CPU overload warnings, reduce the 
mem allowed to the I/O buffers.
That'll help avoid mem swapping to disk.

Damien

Original comment by au.damie...@gmail.com on 17 Feb 2011 at 8:42