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Since everyone is interested in the hardware: https://www.aliexpress.us/item/3256803349510543.html https://www.aliexpress.us/item/3256803349510543.html https:

Since everyone is interested in the hardware: https://www.aliexpress.us/item/3256803349510543.html https://www.aliexpress.us/item/3256803349510543.html https://www.aliexpress.us/item/3256803085687061.html https://www.aliexpress.us/item/3256803085687061.html the particular choice was for the battery and the other for the size, both are generic and come with the same software and bios, several vendors, if I could buy something better I would look for one that can have a lavalier microphone

cbsks 4y ago
Super cool project! How do you carry the microphones on your person? The big one looks like it wouldn’t clip to a shirt very easily. Does it pick up your voice from your pocket?
- roberdam 4y ago
  thanks!, I try it on my shirt pocket but now I have it hanging from my neck with a badge rope as close to the mouth as I can
  - deleted 4y ago
    [deleted]
narag 4y ago
Thank you for the links and for the article. How long can record the smaller one? Actually if it can record for a day, it'd be enough for me. I used to record all phone calls, until EU made Xiaomi remove the feature. It was very useful because I always could take notes later if they sent me a number, contact name or appointment hour.
- philote 4y ago
  The Ali Express link says "Continuous recording:20hours". But since they offer sizes from 4GB to 32GB it's unclear which storage size that's for. That 20 hours could also be how long the battery will last while recording. But 20 hours is still enough to last the day and then some.
  - gruez 4y ago
    It's probably the battery life. 128 kb/s AAC is effectively transparent even for music, and only translates to 1.1GB. Even if it's uncompressed (1 channel 16 bit 44100hz PCM), 20 hours only translates to 6.35 GB.
- roberdam 4y ago
  At 128kbps the MP3 takes about 56mb per hour, I got the 16gb, so you have a lot of time, the battery of the smaller one I read is 800 mAh , according to the docs should last around 2hrs, but I try to recharge it as soon as I can
  - narag 4y ago
    Thank you, hmmm... you wrote 2hrs, I guess it's a typo. In the page it's 20 and more than enough for my use case. And even the 4GB is overkill if you make a daily dump.
    - roberdam 4y ago
      my mistake, according to the description "Working Time: About 7hours on one Charge Can store up to 96 hours of audio", I haven't let the battery run out yet
uncletammy 4y ago
Yeah but I want the software! Will you open source it? I'd contribute!
- roberdam 4y ago
  I'm doing it simple for now, transcribe it by uploading the files to colab or replicate.com, then using regex to extract the commands, the panel is in rails but nothing fancy so far. As I clarify in the article: This is a “proof of concept” and not yet ready for production, everything described here works but probably “glued with tape”, several of the processes are probably not automated or polished.
nelsonenzo 4y ago
I wanted to do this exact project - record audio all day and then have AI process it - to identify behavior outburst of my autistic toddler. It's critical information for early diagnosis and treatment, but it's really hard to capture the data while also dealing with the actual situation. Being able to send the sounds he makes to his therapist could also be usefull when then are trying to get him to mimic sounds and talk. With that said, is the audio AI open sourced? The part that analyzes the audio stream? Thanks for the links to the hardware, also a really important part!
- rockemsockem 4y ago
  I would guess that they're using OpenAI's Whisper, which is open source: https://github.com/openai/whisper https://github.com/openai/whisper It does speech-to-text, then you can use the full force of all the text analysis tools that are out there.
- roberdam 4y ago
  that's a fantastic use case!, the easiest way (and the one i'm currently using) is by upload the audio manually on : https://replicate.com/openai/whisper https://replicate.com/openai/whisper
- matthewbarras 4y ago
  I've thought about this a lot. My 8 y.o is Autistic and when he was little, I was struggling to catch evidence to provide to Speech and Language Therapy. I wanted a way to always record and have an easy way to pull out the key points. Now I would love to correlate background noise (level and context) with meltdowns. We know babies crying set him off, as that's obvious, but would love to analyse further to spot other trends.
  - roberdam 4y ago
    this one will suit you well, even has a magnetic back so you can attach it to something, https://www.aliexpress.us/item/1005003535825295.html https://www.aliexpress.us/item/1005003535825295.html
deleted 4y ago
[deleted]

cbsks 4y ago

Super cool project! How do you carry the microphones on your person? The big one looks like it wouldn’t clip to a shirt very easily. Does it pick up your voice from your pocket?

roberdam 4y ago
thanks!, I try it on my shirt pocket but now I have it hanging from my neck with a badge rope as close to the mouth as I can
- deleted 4y ago
  [deleted]

narag 4y ago

Thank you for the links and for the article. How long can record the smaller one? Actually if it can record for a day, it'd be enough for me. I used to record all phone calls, until EU made Xiaomi remove the feature. It was very useful because I always could take notes later if they sent me a number, contact name or appointment hour.

philote 4y ago
The Ali Express link says "Continuous recording:20hours". But since they offer sizes from 4GB to 32GB it's unclear which storage size that's for. That 20 hours could also be how long the battery will last while recording. But 20 hours is still enough to last the day and then some.
- gruez 4y ago
  It's probably the battery life. 128 kb/s AAC is effectively transparent even for music, and only translates to 1.1GB. Even if it's uncompressed (1 channel 16 bit 44100hz PCM), 20 hours only translates to 6.35 GB.
roberdam 4y ago
At 128kbps the MP3 takes about 56mb per hour, I got the 16gb, so you have a lot of time, the battery of the smaller one I read is 800 mAh , according to the docs should last around 2hrs, but I try to recharge it as soon as I can
- narag 4y ago
  Thank you, hmmm... you wrote 2hrs, I guess it's a typo. In the page it's 20 and more than enough for my use case. And even the 4GB is overkill if you make a daily dump.
  - roberdam 4y ago
    my mistake, according to the description "Working Time: About 7hours on one Charge Can store up to 96 hours of audio", I haven't let the battery run out yet

uncletammy 4y ago

Yeah but I want the software! Will you open source it? I'd contribute!

roberdam 4y ago
I'm doing it simple for now, transcribe it by uploading the files to colab or replicate.com, then using regex to extract the commands, the panel is in rails but nothing fancy so far. As I clarify in the article: This is a “proof of concept” and not yet ready for production, everything described here works but probably “glued with tape”, several of the processes are probably not automated or polished.

nelsonenzo 4y ago

I wanted to do this exact project - record audio all day and then have AI process it - to identify behavior outburst of my autistic toddler. It's critical information for early diagnosis and treatment, but it's really hard to capture the data while also dealing with the actual situation. Being able to send the sounds he makes to his therapist could also be usefull when then are trying to get him to mimic sounds and talk. With that said, is the audio AI open sourced? The part that analyzes the audio stream? Thanks for the links to the hardware, also a really important part!

rockemsockem 4y ago
I would guess that they're using OpenAI's Whisper, which is open source: https://github.com/openai/whisper https://github.com/openai/whisper It does speech-to-text, then you can use the full force of all the text analysis tools that are out there.
roberdam 4y ago
that's a fantastic use case!, the easiest way (and the one i'm currently using) is by upload the audio manually on : https://replicate.com/openai/whisper https://replicate.com/openai/whisper
matthewbarras 4y ago
I've thought about this a lot. My 8 y.o is Autistic and when he was little, I was struggling to catch evidence to provide to Speech and Language Therapy. I wanted a way to always record and have an easy way to pull out the key points. Now I would love to correlate background noise (level and context) with meltdowns. We know babies crying set him off, as that's obvious, but would love to analyse further to spot other trends.
- roberdam 4y ago
  this one will suit you well, even has a magnetic back so you can attach it to something, https://www.aliexpress.us/item/1005003535825295.html https://www.aliexpress.us/item/1005003535825295.html

deleted 4y ago

[deleted]