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XVF3800
XMOS XVF3800 Voice Processor Manuals
Manuals and User Guides for XMOS XVF3800 Voice Processor. We have
2
XMOS XVF3800 Voice Processor manuals available for free PDF download: User Manual
XMOS XVF3800 User Manual (94 pages)
Voice processor
Brand:
XMOS
| Category:
Computer Hardware
| Size: 7.45 MB
Table of Contents
Table of Contents
2
1 Overview
5
2 Setting up the Hardware
6
Introduction
6
Hardware Setup - USB Accessory (UA) Configuration
6
UA - Required Components
6
Setting up the Evaluation System in UA Configuration
6
Installing the UA Firmware
8
Hardware Setup - I S (INT-Device) Configuration
9
INT-Device Required Components
9
Setting up the INT-Device Configuration
10
Installing the INT-Device Firmware
11
Setting up the Audio
12
Loudspeaker
12
Playback and Recording
14
S Audio Configuration
14
UA Audio Configuration
14
Troubleshooting
15
Audio Signals
15
Low Volume of Recorded Audio During Audio Playback
15
Low Volume of Playback Audio on Linux for XVF3800-UA
15
AEC Convergence
16
3 Using the Host Application
17
Installing the Host Application
17
Connecting to the XVF3800 Device
19
Xvf_Host Command Syntax
20
Microphone Orientation
20
Beam Forming Subsystem and Direction of Arrival Indicator
23
Using Azimuth Data for Direction of Arrival Indication
24
Example Uses
25
Output Selection
25
Setting an Output Pin
28
4 Tuning the Application
29
System Preparation
29
Prerequisites
29
Initial Parameter Setting
31
Initial Tests
31
Input Path
31
Control Path
33
Output Path
33
Speaker Operation
33
Microphone Operation
34
Tuning the XVF3800 Parameters
34
Reference Gain
34
Microphone Gain
35
Silence Level
35
System Delay
36
AEC Operation
38
AGC Configuration
40
Emphasis
41
Mgscale
42
Fmin_Speindex
42
Tuning the Non-Linear Model
44
Non-Linear Echo
44
Tuning Setup for Non Linear Model
45
Echo Suppression
49
Pp_Dtsensitive
50
PP_GAMMA_E and PP_GAMMA_ENL
51
Pp_Gamma_Etail
51
Noise Suppression
52
Attns
52
Attns_Nominal
53
Attns_Slope
53
Path Change Detection
54
Output Equalization
54
Changing Default Parameter Values
56
5 Building the Application Firmware
59
Introduction
59
Prerequisites
59
Python3
59
XMOS Tools
59
Build Tools
60
XVF3800 Release Package
60
Standard Configurations
61
Image Names
61
Build Process
62
Set up the Environment
62
Configure the Build System
62
Build an Executable
63
Installing the Executable Image
63
Install Using Xrun
63
Install Using Xflash
63
Using SPI Boot
64
Creating a SPI Boot File
64
Using a SPI Boot File
64
Safe SPI Booting
64
Fast SPI Booting
65
6 Some Acoustic Design Guidelines
67
Microphones
67
Loudspeaker(S)
69
Enclosure and Mounting
70
7 DFU Operations
71
Setting up the Host Computer (UA)
71
Setting up the Host Computer (INT)
73
Generation of Binary Upgrade Image
73
Examples of DFU Operations
73
Download an Upgrade Image to the Device
74
Revert the Device to Factory Image
74
Reboot the Device
75
Upload the Images from the Device
75
Error Handling
76
8 Automatic Speech Recognition
77
9 HID Interface
78
10 APPENDIX - Control Commands
79
AEC Tuning and Control Commands
79
Device Metadata Commands
83
Audio Manager Commands
84
GPIO Commands
87
11 APPENDIX - Tuning the Loudspeaker
88
Adding EQ to the Loudspeaker Frequency Response
88
Setting the Maximum Loudspeaker Volume
89
Remaining Steps
89
12 APPENDIX - Alternative Tuning Parameters
90
Personal Space Speakerphone Using a Logitech Z50 Loudspeaker
90
Shared Space Speakerphone at 4.5 M Using a Genelec 8020 Loudspeaker
91
13 APPENDIX - List of Applications
92
UA Device Applications
92
INT Device Applications
92
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XMOS XVF3800 User Manual (67 pages)
Brand:
XMOS
| Category:
Computer Hardware
| Size: 8.06 MB
Table of Contents
Table of Contents
2
Overview
4
Setting up the Hardware
5
Introduction
5
Hardware Setup - USB (UA) con Guration)
5
UA - Required Components
5
Setting up the Evaluation System in UA con Guration
5
Installing the UA Rmware
6
Hardware Setup - I S (INTDEV) con Guration
7
INTDEV Required Components
7
Setting up the INTDEV con Guration
8
Installing the INTDEV Firmware
9
Setting up the Audio
10
Loudspeaker
10
Playback and Recording
11
I S Audio con Guration
11
UA Audio con Guration
12
Troubleshooting
12
Audio Signals
12
AEC Convergence
12
Using the Host Application
14
Installing the Host Application
14
Connecting to the XVF
16
Device
16
Xvf_Host Command Syntax
16
Microphone Orientation
16
Beam Forming Subsystem and Direction of Arrival Indicator
18
Using Azimuth Data for Direction of Arrival Indication
19
Example Uses
19
Output Selection
19
Setting an Output Pin
21
Tuning the Application
23
System Preparation
23
Prerequisites
23
Initial Parameter Setting
24
Initial Tests
25
Input Path
25
Control Path
26
Output Path
27
Speaker Operation
27
Microphone Operation
27
Tuning the XVF
28
Parameters
28
Reference Gain
28
Microphone Gain
29
System Delay
29
AEC Operation
31
AGC con Guration
32
Emphasis
33
Additional Parameters
34
Fmin_Speindex
34
Mgscale
35
Tuning the Non Linear Model
36
Non-Linear Echo
36
Tuning Setup for Non Linear Model
36
Noise Suppression
39
Attns
40
. .8.6 Path Change Detection
41
Changing Default Parameter Values
41
Building the Application Firmware
45
Introduction
45
Prerequisites
45
Python
45
XMOS Tools
45
Build Tools
45
Xvf
46
Release Package
46
Standard con Gurations
46
Image Names
47
Build Process
47
Set up the Environment
48
Con Gure the Build System
48
Build an Executable
48
Installing the Executable Image
49
Install Using Xrun
49
Install Using X Ash
49
Using SPI Boot
49
Creating a SPI Boot File
49
Using a SPI Boot File
50
Some Acoustic Design Guidelines
51
Microphones
51
Loudspeaker(S)
53
Enclosure and Mounting
54
DFU Operations (UA Only)
55
Setting up the Host Machine
55
Generation of Binary Upgrade Image
56
Examples of DFU Operations
57
Download an Upgrade Image to the Device
57
Revert the Device to Factory Image
57
Reboot the Device
58
Upload the Images from the Device
58
APPENDIX - Control Commands
59
AEC Tuning and Control Commands
59
Device Metadata Commands
63
Audio Manager Commands
64
GPIO Commands
66
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