XMOS VocalFusion XK-VF3500 Скачать руководство пользователя страница 4

VocalFusion Stereo Dev Kit Quick Start Guide

4/8

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Evaluation

The VocalFusion Stereo Dev Kit and the speakers should remain static during your

evaluation. If they are moved to new positions, then the adaptive algorithms will
adjust to the new audio environment after approximately 10 seconds.

1. Open a music player on the host PC, select

XMOS VocalFusion St (UAC1.0)

as

the playback device and play a stereo music file.

You should now hear this through your powered speakers. You can adjust

the volume using either the music player, the

XMOS VocalFusion St (UAC1.0)

playback device, or the speakers.

2. Open

Audacity

on the host PC and configure the application to communicate

with the VocalFusion Stereo Dev Kit.

Windows users

Mac users

3. Ensure that the number of recording channels is set to 8.

4. Set the project sample rate to 48kHz

5. In

Audacity

, click on the

Record

button (or press

r

) to start capturing the audio

channels streamed from the VocalFusion Stereo Dev Kit.

Audacity

will record eight audio channels streamed from the VocalFusion Stereo

Dev Kit:

·

Audio Track 1: extracted voice signal, optimised for the human ear.

·

Audio Track 2: extracted voice signal, optimised for Automated Speech
Recognition engines.

·

Audio Track 3: raw microphone 0.

·

Audio Track 4: raw microphone 3.

·

Audio Track 5: raw microphone 1.

·

Audio Track 6: raw microphone 2.

·

Audio Track 7: playback reference signal (left).

XM012531A

Содержание VocalFusion XK-VF3500

Страница 1: ...quick start guide The VocalFusion Stereo Dev Kit demonstrates the voice capture and processing capabilities of the XMOS XVF3500 The kit includes a small form factor linear microphone array which prov...

Страница 2: ...ll demonstrate the voice activity detector and direction of arrival functionality of the XVF3500 1 Before you start To complete this guide you will need VocalFusion Stereo Dev Kit XK VF3500 L33 Note t...

Страница 3: ...n a table towards the edge of the room 2 Place the powered speakers in the near field next to within 30cm and behind the VocalFusion Stereo Dev Kit Avoid pointing the speakers directly at the micropho...

Страница 4: ...2 Open Audacity on the host PC and configure the application to communicate with the VocalFusion Stereo Dev Kit Windows users Mac users 3 Ensure that the number of recording channels is set to 8 4 Set...

Страница 5: ...ng 9 In Audacity highlight Audio Track 3 and click the Solo button or press SHIFT s to only playback Audio Track 3 10 In Audacity click on the Play button or press space to playback Audio Track 3 only...

Страница 6: ...EDs at both the centre and along the edge of the board to indicate the DOA Try talking to the VocalFusion Stereo Dev Kit both with and without music playing Move across the front of the device as you...

Страница 7: ...B cache If subsequently a different version of the dev kit is connected for example a dev kit with a firmware using the same VID and PID but exposing a different configuration of audio channels then t...

Страница 8: ...mpression filename xe 7 Wait for the flashing process to complete When complete the dev kit will re enumerate as a composite USB Audio Class 1 device 8 All done You may now close the xTIMEcomposer com...

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