什么是STSmartVoice演示套件？

该
http://www.st.com/web/en/catalog/tools/FM116/SC1028/PF255176
是专为与ST Digital http://www.st.com/memsmics接口而设计的评估板
。该套件基于数字音频处理器STA321MP，能够互连多达6个数字PDM麦克风，将信号从PDM转换为PCM，并在输入其输出接口（I2S或PWM / HP）之前应用预处理滤波和均衡。
 
 连同http://www.st.com/web/en/catalog/tools/FM116/SC1028/PF258331
接口套件可用于通过USB方便地上游麦克风信号，并使用http://www.st.com/web/en/catalog/tools/FM147/SC1857/PF258785分析采集的数据
工具，实时。



以下为原文





The
http://www.st.com/web/en/catalog/tools/FM116/SC1028/PF255176
is an evaluation board specifically designed to interface with ST Digital http://www.st.com/memsmics
. The kit is based on a digital audio processor, STA321MP, able to interconnect up to 6 digital PDM microphones, convert signal from PDM to PCM and apply pre-processing filtering and equalization before feeding its output interface, either I2S or PWM/HP.

Together with the http://www.st.com/web/en/catalog/tools/FM116/SC1028/PF258331
interface the kit can be used to conveniently upstream the microphone signals via USB and analyze acquired data with http://www.st.com/web/en/catalog/tools/FM147/SC1857/PF258785
tool, in real-time.

我可以使用包含STAudioHub的完整STSmartVoice套件同时录制多少个不同的麦克风通道？
 
Windows 7需要哪些录制软件？
我有Audacity，但我看不到两个以上的频道（立体声）。
 
谢谢你的帮助。
大卫肖



以下为原文





How many different mic channels can I record simultaneously with the complete STSmartVoice kit that includes the STAudioHub?

What recording software will I need for Windows 7?
I have Audacity, but I cannot see more than two channels (stereo).

Thanks for any help.
David Shaw

嗨大卫，
 
 
 音频上游的STSmartVoice套件通过AudioHub套件仅允许进行立体声录音（即2声道）。
 
 如果STAudioHub与APW一起使用，无论是否有SmartVoice套件，那么录制选项由APW本身直接提供，并且不可能使用外部sw。
 
 如果您更喜欢使用自己的录音软件（如Audacity），则需要在独立模式下运行STAudioHub，以便将其枚举为标准音频采集USB卡。
 
 此外 - 虽然与STSmartVoice / AudioHub无关 - 请注意，由于ASIO驱动程序存在一些许可问题，Audacity在Win7上不支持2个以上的通道。你需要有一个sw的自定义版本 - 包括ASIO - 以便启用多声道音频。
 
 问候，
 马尔科



以下为原文





Hi David,


The STSmartVoice kit upstream the audio via the AudioHub kit which only allow for a stero recording (ie. 2 channels).

If STAudioHub is used with APW, with or without the SmartVoice kit, then the recording option is offered directly by APW itself and it's not possible to use external sw.

Should you prefer to use your own audio recording software - such as Audacity - you need to run STAudioHub in standalone mode so that it will enumerate as a standard audio acquisition USB card.

Also - though not relevant to STSmartVoice/AudioHub - note that Audacity is not supporting more than 2 channels on Win7 due to some licensing problem with the ASIO drivers. You'll need to have a custom build of the sw - including ASIO - in order to enable multi-channel audio.

Regards,
    Marco