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Search: Posts Made By: ChrisP
Forum: Raven - Help and Discussion 04-24-2017, 06:33 AM
Replies: 4
Views: 1,905
Posted By ChrisP
Re: Spectrogram Slice Display

Hi Mike,

Sorry - only just saw your question. 'Middle of the page' worked fine in this case, because the sounds I was interested in, when they occurred, were constant frequency and spanned several...
Forum: Raven - Help and Discussion 11-23-2016, 05:40 AM
Replies: 4
Views: 1,905
Posted By ChrisP
Re: Spectrogram Slice Display

Hi Mike,

Thanks for your reply. I'm on 64 bit raven and JRE, and have 6 Gb heap memory allocated from 8 Gb physical RAM. My current files are 8 ch and 30 min duration. I tried opening without...
Forum: Raven - Help and Discussion 11-10-2016, 07:37 AM
Replies: 4
Views: 1,905
Posted By ChrisP
Spectrogram Slice Display

Hi Mike,

While reviewing a batch of wav files with a spectrogram, I would like to display a spectrogram slice view too.

With the vertical position marker set in its default location on the left...
Forum: Raven - New Feature Requests 10-21-2016, 10:58 AM
Replies: 1
Views: 2,736
Posted By ChrisP
Parameters saved in window preset

Hi Mike,

On my system the following parameters are not saved with a window preset:

a) brightness & contrast / power threshold (or possibly just the latter values)
b) auto page advance delay

Can...
Forum: Raven - Help and Discussion 10-17-2016, 08:04 AM
Replies: 15
Views: 3,776
Posted By ChrisP
Re: Playback

Hi Mike, Hi Alis,

Regarding playback speeds - i followed your advice and Dean's article and set:
raven.playback.maximumPlayRate=50000
and this works well for me. I'm using win7 64 bit with raven...
Forum: Raven - Help and Discussion 10-17-2016, 07:17 AM
Replies: 2
Views: 1,678
Posted By ChrisP
Re: Waveform measurements

Hi Mike,

...funnily enough, it was partly that paper that prompted my question...

Chris
Forum: Raven - Help and Discussion 10-06-2016, 03:08 PM
Replies: 2
Views: 1,678
Posted By ChrisP
Waveform measurements

Hi Mike,

Is it possible for Raven to make robust measurements of signal duration based on waveform rather than spectrogram. I'm measuring the duration of echolocation clicks. The spectrogram...
Forum: Raven Beta Testing 06-02-2016, 11:54 AM
Replies: 1
Views: 2,519
Posted By ChrisP
Bug report v1.5

Hi,

Raven 1.5 Froze - i think i neglected to stop playback (at 1/4 speed) and tried to navigate to the next selection in my table. I couldn't see the playback cursor and it wouldn't respond to...
Forum: Raven - New Feature Requests 06-01-2016, 05:34 AM
Replies: 2
Views: 1,722
Posted By ChrisP
Re: Filtered waveform pulse detector

Thanks Mike, I'll try that when i get a good oppertunity, Chris
Forum: Raven - New Feature Requests 06-01-2016, 05:28 AM
Replies: 3
Views: 2,539
Posted By ChrisP
Re: List files

Thanks Mike, I'm looking forward to all the upcoming new features - can you give any kind of time frame for Raven 2? Chris
Forum: Raven - New Feature Requests 05-04-2016, 08:16 AM
Replies: 2
Views: 1,722
Posted By ChrisP
Smile Filtered waveform pulse detector

Hi again,

There was talk a while back of a detector for click-type, impulsive sounds, based on identifying amplitude peaks (and presumably duration) above a user-defined threshold, and incorporating...
Forum: Raven - New Feature Requests 05-04-2016, 08:11 AM
Replies: 3
Views: 2,539
Posted By ChrisP
Smile List files

Dear Raven Team / Mike,

Can i request additional information is included in the list files please: number of samples, sampling rate, number of channels, bit rate, bit depth for example (but...
Forum: Raven - Help and Discussion 02-25-2016, 12:49 PM
Replies: 1
Views: 741
Posted By ChrisP
Playback while recording

Hi,

I haven't used Raven Pro as a sound recorder before. Can I output an audio stream as it is being processed by Raven, while recording?

What i would like to do is acquire from a National...
Forum: Raven - Help and Discussion 02-22-2016, 06:13 AM
Replies: 2
Views: 961
Posted By ChrisP
Re: Sound Selection Table Problems

ok, managed to fix this problem i had by editing the selection table in excel, recalculating the Begin and End Time (s) from the sound selection table's Begin Path and File Offset.

In case anyone...
Forum: Raven - Help and Discussion 02-22-2016, 05:07 AM
Replies: 2
Views: 961
Posted By ChrisP
Unhappy Re: Sound Selection Table Problems

...I'm posting this as a cautionary tale. I realise I have made at least one error in my data extraction after opening a sound selection table and then adding new selections to it.

When looking at...
Forum: Raven - Help and Discussion 02-21-2016, 12:53 PM
Replies: 2
Views: 961
Posted By ChrisP
Sound Selection Table Problems

Hi,

I am trying to open a large file sequence and a selection table that I have previously opened as a sound selection table. And my selections are not in the right places.

They are mostly* in the...
Forum: Raven - New Feature Requests 12-03-2015, 10:27 AM
Replies: 2
Views: 1,794
Posted By ChrisP
Re: XBAT localisation tools

Thanks Mike - will do
Forum: Raven - Help and Discussion 11-30-2015, 08:33 AM
Replies: 2
Views: 1,233
Posted By ChrisP
Forum: Raven - New Feature Requests 11-30-2015, 08:33 AM
Replies: 2
Views: 1,794
Posted By ChrisP
XBAT localisation tools

Hi there,

Are any XBAT localisation tools going to be incorporated into Raven Pro? I'm particularly interested in the correlation sum (CSE) location estimation tool (K. Cortopassi). This was used...
Forum: Raven - Help and Discussion 11-18-2015, 07:47 AM
Replies: 2
Views: 1,233
Posted By ChrisP
clock time fidelity

Dear All,

I just came across a situation with selection clock times and wanted to share what i found. This isn't a complaint about Raven at all or a bug report - it worked very well in fact.

I had...
Forum: Raven - Help and Discussion 11-18-2015, 06:43 AM
Replies: 6
Views: 2,129
Posted By ChrisP
Re: playback speed

Hi Mike,

I check the playback sound card spec and it claims to cope with up to 192 kHz too. I've set raven.playback.maximumPlayRate=192000, and it seems to be working well now - I'll experiment a...
Forum: Raven - Help and Discussion 10-23-2015, 08:52 AM
Replies: 6
Views: 2,129
Posted By ChrisP
Re: playback speed

Hi Mike,

Thanks - I followed your advice and overwrote old preferences file with the 1.5 version from my laptop. I put a shortcut to the folder on the desktop too.

I changed the maximumPlayRate to...
Forum: Raven - Help and Discussion 10-22-2015, 02:03 PM
Replies: 6
Views: 2,129
Posted By ChrisP
Re: playback speed

Hi Mike,

Thanks for your quick response. First thing i found was that my preferences file was titled 'Raven 1.4' - i compared to the one on my laptop, which is called '..1.5' and has many more...
Forum: Raven - Help and Discussion 10-22-2015, 12:40 PM
Replies: 6
Views: 2,129
Posted By ChrisP
playback speed

Hi,

I have unexpected results when selecting certain playback speeds (raven pro 1.5, build 23, win7, 64 bit java). For example values of 2 and 3 seem to slow playback to what seems to be 1/2 and...
Forum: Raven - Help and Discussion 10-22-2015, 05:07 AM
Replies: 2
Views: 1,100
Posted By ChrisP
Re: Calibration

Hi Mike,

apologies for my slow response - thank you very much for your help.

Best regards,

Chris
Forum: Raven - Help and Discussion 10-16-2015, 10:44 AM
Replies: 2
Views: 1,100
Posted By ChrisP
Calibration

Hi all,

This question is more about editing a wav file really, but maybe Raven users and developers can give me some advice as it also relates to calibration function.

I'm comparing two recordings...
Forum: Raven - Help and Discussion 10-08-2015, 02:04 PM
Replies: 2
Views: 1,123
Posted By ChrisP
Forum: Raven - Help and Discussion 10-08-2015, 07:11 AM
Replies: 2
Views: 1,123
Posted By ChrisP
Export image names

Dear Forum,

I am reviewing a set of recordings in Raven Pro 1.5 build 23, 64 bit java. I drag a batch of a few hundred files into my workspace with a page size of 20 s.

I like to export images of...
Forum: Raven - Help and Discussion 07-31-2015, 02:40 PM
Replies: 17
Views: 3,384
Posted By ChrisP
Re: clock-time axis lables

Hi Mike,
1. Win 7, 64 bit (java 1.8)

2. Raven Pro 1.5 Beta Version Build 21, 64 bit Windows Java Virtual Machine

3. I am dragging a batch of files into the Raven workspace and using the Date &...
Forum: Raven - Help and Discussion 07-31-2015, 02:18 PM
Replies: 4
Views: 1,416
Posted By ChrisP
Re: Waveform is off-center

Sounds like you might have a DC offset on your recordings. In audacity you can remove the offset as an option of the normalise function. There's a separate dcRemoval plugin too (which i've never...
Forum: Raven - Help and Discussion 07-31-2015, 01:58 PM
Replies: 17
Views: 3,384
Posted By ChrisP
Re: clock-time axis lables

I forgot to mention that I'd like to drag in a batch of files, not just a single file.
Forum: Raven - Help and Discussion 07-31-2015, 01:56 PM
Replies: 17
Views: 3,384
Posted By ChrisP
Re: clock-time axis lables

Hi Mike,

That only works if I specify the three ms digits after the final _ (and for a single file). Otherwise it gives 'no match found' as the example start time.

Is there a wildcard character I...
Forum: Raven - Help and Discussion 07-31-2015, 06:47 AM
Replies: 17
Views: 3,384
Posted By ChrisP
clock-time axis lables

Hi,

I am analysing sound files recorded in Pamguard, which now include milliseconds in the recording file name, e.g.
CW_20150624_195855_256.wav
("prefix_yyyylldd_hhmmss_milliseconds").

Could you...
Forum: Raven Beta Testing 03-26-2015, 01:32 PM
Replies: 1
Views: 4,734
Posted By ChrisP
Raven Pro 1.5 beta crashes

Hi,

I've had a few crashes recently - they seem to happen when I inadvertantly page forwards, while playing back a window or selection.

I'm using build 21, 64 bit, on a win7 PC with JRE 1.8.

Chris
Forum: Raven - Help and Discussion 03-05-2015, 10:25 AM
Replies: 15
Views: 3,776
Posted By ChrisP
Playback

Hi - I'm getting odd results when playing sounds back at different rates. I'm using Raven Pro 1.5 64 bit. When i playback at x5, this looks about double speed; when i choose x3 the rate is slower...
Forum: Raven Pro 1.5 Alpha 02-10-2015, 07:15 AM
Replies: 0
Views: 4,980
Posted By ChrisP
Paste Selection Mode

Hi,

Is anyone else having trouble with copy selection border > paste selection mode? On my PC, it pastes the centre of the new border where i want it using the special cursor mode, but the vertical...
Showing results 1 to 36 of 36

 
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