Input device settings/project sample rate??

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Input device settings/project sample rate??

Permanent link to this post Posted by steve69 » Wed Jul 23, 2008 2:20 pm

I recently purchased one of these

It did (eventually) appear on the list of inputs in Audacity. However, when I try to record, I get the message "Error when opening sound device. Please check the input device settings and the project sample rate"

Is this an Audacity issue or an issue with the hardware?
steve69
 
Posts: 21
Joined: Wed Apr 09, 2008 8:55 pm

Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve » Wed Jul 23, 2008 5:13 pm

Make sure that the device is plugged into your computer and recognised by Windows before you open Audacity.
Open Audacity and click "Help > Audio Device Info..."
Look and find the USB audio device and see what sample rates it supports and how many inputs.
Go to "Edit > Preferences > Audio I/O" and select the USB device as the recording input, and your sound card as the playback device. Also set the number of channels to suit the device info.
Go to "Edit > Preferences > Quality" and set the sample rate to suit the device info.
Close and restart Audacity.
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)
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Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve69 » Wed Jul 23, 2008 6:35 pm

Thanks for the reply :)

stevethefiddle wrote:Make sure that the device is plugged into your computer and recognised by Windows before you open Audacity.

It is
stevethefiddle wrote:Open Audacity and click "Help > Audio Device Info..."
Look and find the USB audio device and see what sample rates it supports and how many inputs.

It says:
==============================
Default capture device number: 1
Default playback device number: 7
==============================
Device ID: 0
Device name: MME: Microsoft Sound Mapper - Input
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 1
Device name: MME: Microphone (2- RockFrog
Input channels: 1
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 2
Device name: MME: CD Audio (Realtek High Definiti
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 3
Device name: MME: Microphone (2- USB Audio CODEC
Input channels: 1
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 4
Device name: MME: Microphone (Realtek High Defini
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 5
Device name: MME: Stereo Mix (Realtek High Defini
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 6
Device name: MME: Microsoft Sound Mapper - Output
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Device ID: 7
Device name: MME: Speakers (Realtek High Definiti
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Device ID: 8
Device name: MME: Realtek Digital Output (Realtek
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Device ID: 9
Device name: MME: Speakers (2- USB Audio CODEC )
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Device ID: 10
Device name: MME: Speakers (2- RockFrog
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Selected capture device: 1 - MME: Microphone (2- RockFrog
Selected playback device: 7 - MME: Speakers (Realtek High Definiti
Supported Rates: 8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
Recieved -9998 while opening devices


Apologies for the length, but I wasn't sure which bits were relevant - it's the rock frog I'm using, but that appears in several places... :?

stevethefiddle wrote:Go to "Edit > Preferences > Audio I/O" and select the USB device as the recording input, and your sound card as the playback device.

Already done

stevethefiddle wrote:Also set the number of channels to suit the device info.
Go to "Edit > Preferences > Quality" and set the sample rate to suit the device info.

Am afraid I'm unsure what you mean by this - sorry :oops:
steve69
 
Posts: 21
Joined: Wed Apr 09, 2008 8:55 pm

Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve » Wed Jul 23, 2008 6:51 pm

I see... there's a bit of a problem here.
For some reason, none of your inputs show any supported rates.

Are you able to record from any input with any software? For example, can you record from the Realtek (on-board?) sound card with Windows Sound Recorder?

What's the "Device name: MME: Speakers (2- USB Audio CODEC )" ?
Do you have USB speakers connected?
Try disconnecting them (safely remove USB hardware) and see if that makes any difference.
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)
steve
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Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve69 » Wed Jul 23, 2008 7:10 pm

stevethefiddle wrote:I see... there's a bit of a problem here.
For some reason, none of your inputs show any supported rates.

Are you able to record from any input with any software? For example, can you record from the Realtek (on-board?) sound card with Windows Sound Recorder?

What's the "Device name: MME: Speakers (2- USB Audio CODEC )" ?
Do you have USB speakers connected?
Try disconnecting them (safely remove USB hardware) and see if that makes any difference.


:?

I have never had any problems recording. I can record from a USB turntable, from streaming audio, etc.

Have never really tried windows sound recorder.

My speakers are not USB (they plug in with a jack)

I must confess I don't know what "Device name: MME: Speakers (2- USB Audio CODEC )" is :oops:
steve69
 
Posts: 21
Joined: Wed Apr 09, 2008 8:55 pm

Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve69 » Wed Jul 23, 2008 7:22 pm

stevethefiddle wrote:Are you able to record from any input with any software? For example, can you record from the Realtek (on-board?) sound card with Windows Sound Recorder?


No. It says "an audio recording device could not be found"

sound/recording tab shows:


Microphone
2-rock frog
Working

Microphone
Realtek High Definition Audio
Working

Line In
Realtek High Definition Audio
Not plugged in

CD audio
Realtek High Definition Audio
Working

Stereo Mix
Realtek High Definition Audio
Working
steve69
 
Posts: 21
Joined: Wed Apr 09, 2008 8:55 pm

Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve » Wed Jul 23, 2008 7:41 pm

Thanks Microsoft - but it's not working is it.

Let's see if we can get something to work.
Do you have an ordinary computer microphone, or anything else that you can use for a test recording (such as a walkman and a suitable lead)?

By the way, is this a Laptop computer?
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)
steve
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Posts: 34931
Joined: Sat Dec 01, 2007 11:43 am

Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve69 » Wed Jul 23, 2008 8:11 pm

stevethefiddle wrote:Thanks Microsoft - but it's not working is it.

Let's see if we can get something to work.
Do you have an ordinary computer microphone, or anything else that you can use for a test recording (such as a walkman and a suitable lead)?

By the way, is this a Laptop computer?


No it's a desktop pc.

I have an ordinary microphone, yes.
steve69
 
Posts: 21
Joined: Wed Apr 09, 2008 8:55 pm

Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve » Wed Jul 23, 2008 10:07 pm

Try disconnecting all USB devices, and shut down the computer.
Connect your microphone to the computer and reboot.
Open Audacity and see if you can get it to record from the microphone - (do you know your way round the Windows Mixer?)

Look up the "Device Info" again from the Audacity help menu and post what it says.

Do you still have your USB turntable? It may be worth giving that a go as well - the setup for the USB turntable should be more or less identical to your new USB device, so it will be interesting to see if there's any major differences in the Device info.

I'm going to be off line 'till tomorrow now, but I'll look up this post again when I'm back (somebody else may of course pick it up in the mean time).
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)
steve
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Posts: 34931
Joined: Sat Dec 01, 2007 11:43 am

Re: Input device settings/project sample rate??

Permanent link to this post Posted by steve69 » Wed Jul 23, 2008 10:40 pm

stevethefiddle wrote:Try disconnecting all USB devices, and shut down the computer.
Connect your microphone to the computer and reboot.
Open Audacity and see if you can get it to record from the microphone - (do you know your way round the Windows Mixer?)

Look up the "Device Info" again from the Audacity help menu and post what it says.

Do you still have your USB turntable? It may be worth giving that a go as well - the setup for the USB turntable should be more or less identical to your new USB device, so it will be interesting to see if there's any major differences in the Device info.

I'm going to be off line 'till tomorrow now, but I'll look up this post again when I'm back (somebody else may of course pick it up in the mean time).



OK I plugged the mic into the socket at the back of the pc and could record, although it was very quiet (I had to amplfy it 20+ in Audacity to hear it)

The Audio Device Info says:

==============================
Default capture device number: 1
Default playback device number: 6
==============================
Device ID: 0
Device name: MME: Microsoft Sound Mapper - Input
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 1
Device name: MME: Microphone (2- RockFrog
Input channels: 1
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 2
Device name: MME: CD Audio (Realtek High Definiti
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 3
Device name: MME: Microphone (Realtek High Defini
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 4
Device name: MME: Stereo Mix (Realtek High Defini
Input channels: 2
Output channels: 0
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
==============================
Device ID: 5
Device name: MME: Microsoft Sound Mapper - Output
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Device ID: 6
Device name: MME: Speakers (Realtek High Definiti
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Device ID: 7
Device name: MME: Realtek Digital Output (Realtek
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Device ID: 8
Device name: MME: Speakers (2- RockFrog
Input channels: 0
Output channels: 2
Low Input Latency: 0.200000
Low Output Latency: 0.200000
High Input Latency: 0.400000
High Output Latency: 0.400000
Supported Rates:
8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
==============================
Selected capture device: 3 - MME: Microphone (Realtek High Defini
Selected playback device: 6 - MME: Speakers (Realtek High Definiti
Supported Rates: 8000
9600
11025
12000
15000
16000
22050
24000
32000
44100
48000
88200
96000
192000
Unable to open Portmixer


As for the USB turntable - that's been plugged in all along
steve69
 
Posts: 21
Joined: Wed Apr 09, 2008 8:55 pm

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