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en/docs/products/usb_otg/index.md
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---
title: USB Phone OTG Adaptive Audio Decoder Product Series
title: USB Mobile OTG Adaptive Audio Decoder Product Series
hide:
-toc
---
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--8<-- "common/phaten_xmos_support_img.md"
# USB Phone OTG Adaptive Audio Decoder Product Series
## Products Based on A316-Mini-V1 Module
<div class="result" markdown>
![A316-Mini-V1 USB Module](../../../assets/images/hifi_audio/a316_mini.png "A316-Mini-V1 USB High-Definition Audio Decoder Module"){align=right width=150}
A316-Mini-V1 is a Mini module designed for small-sized products, with dimensions of only 13mmx13mm. The module integrates the XU316-1024-QF60BC24 chip, built-in 24MHz crystal required by XU316, and 16Mbit Flash for storing audio firmware.
[:material-file-document-outline: A316-Mini-V1 Module Details](../../products/modules/a316-mini.md){.md-button }
</div>
# USB Mobile OTG Adaptive Audio Decoder Product Series
<br>
<br>
!!! info "Product List"
The delivered products in this list are: A316-Mini-V1 modules programmed with the corresponding functional firmware
<div class="sticky-column" markdown>
| **Product(Function:material-arrow-down:)(Model:material-arrow-right:)** | [OT82111_VC1](./ot82111_vc1.md) |
|---------------------|---------------------|
| **USB1.0→I²S(Slave)** | Fix IN: PCM48KHz/16bit, Out: PCM:44.1KHz-192KHz/32bit |
| **Status** | Active |
| **Qty｜Price(RMB)** | 1Kpcs｜- |
</div>
| **Product (Feature:material-arrow-down:)(Model:material-arrow-right:)** | [OT82111_VC1](./ot82111_vc1.md) |[OT83211_VC1](./ot83211_vc1.md) |
|---------------------|---------------------|---------------------|
| **USB2.0←→I²S(Slave)** | USB: Fix PCM48KHz/24bit<br> I²S: PCM44.1KHz-192KHz/32bit |USB: 44.1KHz-192KHz/24bit<br> I²S: PCM44.1KHz-192KHz/32bit |
| **Status** | Active |Active |
</div>

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<div class="grid" markdown>
<div class="card-wide" markdown>
# OT82111_VC1
---
__USB OTG Audio Decoder with ASRC Functionality Supporting USB Input and I²S Output__
__4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces__
</div>
</div>
<div class="result" markdown>
![OT82111_VC1 Block Diagram](/assets/images/hifi_audio/ot82111_diagram.png "OT82111_VC1 Block Diagram"){align=right width=450}
OT82111_VC1 is a USB OTG audio decoder with ASRC functionality supporting USB input and I²S output, specifically designed for mobile devices. It is optimized for applications where smartphones play background music through USB OTG to live sound cards.
OT82111 is a high-performance 4-channel ASRC audio sample rate converter designed for mobile audio devices, integrating USB OTG interface and dual I²S slave interface functionality. This product is developed based on the high-performance XMOS chip and specifically optimized for streaming sound cards, mobile audio interfaces, and other application scenarios.
OT82111_VC1 supports connection via smartphone USB OTG interface, using UAC1.0 adaptive mode.
OT82111_VC1 receives fixed 2-channel 16bit 48kHz input signals, features a built-in ASRC sampling rate converter (supporting 44.1kHz~192kHz), and outputs through I²S Slave mode.
- The product features high-precision dual independent 2-channel ASRC sample rate converters, supporting sample rate conversion between 44.1kHz~192kHz and 48KHz, ensuring seamless conversion of audio signals between different sample rates.
- Through the USB OTG interface, the device can directly connect to smartphones, tablets, and other mobile devices, implementing plug-and-play functionality using UAC2.0 adaptive mode, compatible with Windows, Linux, Android, macOS, iOS, and various platforms.
- The product delivers exceptional audio performance with THD+N < -130dB and SNR > 135dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
[:fontawesome-regular-file-pdf: OT82111_VC1 Product Brief](/assets/product_brief_pdf/OT82111_产品简介_4通道ASRC OTG 48KHz音频采样率转换器集成2路I2S从接口.pdf){.md-button }
[:material-file-document-outline: OT82111_VC1 Datasheet](../../dev_doc/datasheet/std_product/usb_otg/ot82111_vc1.md){.md-button }
[:material-file-document-outline: A316-Mini-V1 Module Datasheet](../../dev_doc/datasheet/modules/a316_mini_v1_datasheet.md){.md-button }
[:shopping_cart: Purchase Samples](){.md-button title="Temporarily unavailable"}
[:shopping_cart: Buy Samples](https://detail.1688.com/offer/916627288422.html?_t=1746771999692&spm=a2615.7691456.co_1_0_wangpu_score_0_0_0_0_0_0_0000_0.0){.md-button }
</div>
=== "Key Features"
- Supports fixed 2-channel 16bit 48kHz USB audio input
- Built-in ASRC module, supporting 44.1kHz~192kHz sampling rate conversion
## Features and Specifications
=== "Key Features"
- Supports fixed 2-channel 16bit 48kHz USB audio input
- Built-in ASRC module, supporting 44.1kHz~192kHz sampling rate conversion
- ASRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 135dB
- Supports I²S Slave mode audio output
- Exceptional Audio Quality
- THD+N < -130dB, SNR > 135dB
- ASRC supports conversion between 44.1kHz~192kHz and 48KHz
- Dynamic range ≥110dB, professional-grade audio performance
- 4-Channel ASRC
- Built-in dual independent 2-channel ASRC
- Can simultaneously process 2-channel upstream and 2-channel downstream ASRC conversion
- Supports I²S Slave mode audio interface
=== "USB Interface Features"
- Supports UAC 1.0 adaptive mode
- Supports UAC 2.0
- Supports OTG connection
- Plug and play, no driver installation required
- Plug-and-play, no driver installation required
=== "System Compatibility"
- Compatible with multiple operating systems such as Windows, Linux, Android, macOS, and iOS
- Supports multiple operating systems including Windows, Linux, Android, macOS, and iOS
=== "Hardware Parameters"
Item | Value
:------------------------ | :------------------------
Hardware Module Model | A316-Mini-V1
Operating Voltage | 3.3V/1.8V/0.9V
Operating Temperature | -20°C ~ 85°C
Flash Size | 16M Bytes
Dimensions | 13mm x 13mm
=== "Hardware Specifications"
**Normal Operating Conditions**
=== "Hardware Module Image"
![A316-Mini-V1 Module](/assets/images/hifi_audio/a316_mini.png "A316-Mini-V1 Module"){align=center width=250}
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:op"
**Product Dimensions**
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:size"
=== "Input/Output Modes"
| Mode Number | Input/Output Mode | Description |
|:--------:|:------------|:-----|
| 1 | USB OTG(UAC1.0) in - I²S(Slave) out | USB OTG input, I²S Slave output, fixed 2-channel 16bit 48kHz input, supporting 44.1kHz~192kHz sampling rate conversion output |
=== "Application Scenarios"
- Smartphone OTG audio output
- Mobile device audio sampling rate conversion
## Documentation and Tools
=== "Technical Documentation"
| Type | Title | Download |
|:--------:|:------------------------|:------------------------|
| Datasheet | [:material-file-document-outline: OT82111-VC1 Datasheet](../../dev_doc/datasheet/std_product/usb_otg/ot82111_vc1.md) | [:material-download:] |
| Datasheet | [:material-file-document-outline: A316-Mini-V1 Module Datasheet](../../dev_doc/datasheet/modules/a316_mini_v1_datasheet.md) | [:material-download:] |
| Product Datasheet | [:material-file-document-outline: OT82111-VC1 Datasheet](../../dev_doc/datasheet/std_product/usb_otg/ot82111_vc1.md) | [:material-download:] |
| Reference Design | | [:material-download:] |
| Application Manual | | [:material-download:] |
| Application Guide | | [:material-download:] |
=== "Tools and Software"
| Type | Description | Download |
|:--------:|:------------------------|:------------------------|
| Debugging Tools | |[:material-toolbox: Debugging Tools](../../services_support/tools_software/index.md) |
| Debugging Tools | |[:material-toolbox:Debugging Tools](../../services_support/tools_software/index.md) |
| Drivers | | [:material-usb-flash-drive-outline: USB Drivers](../../services_support/driver/index.md) |
## Application Scenarios
- Mobile Accompaniment/Streaming
- Play background music via mobile phone OTG while performing audio processing. Provides low-latency, high-fidelity audio experience
- Car Audio Players
- Connect mobile phone to car audio player USB to play songs through the car audio system
## Ordering Information
| Product Name | Product Model | Product Image |
|:--------|:------------------------|:------------------------:|
| 4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces | OT82111-VC1 |![OT82111-VC1](/assets/images/hifi_audio/ot82111_vc1.png "OT82111-VC1"){align=center width=120} |
## Related Evaluation Boards
<div class="grid cards" markdown>
- :material-developer-board: __A316-HF-I²S-V1 USB OTG to I²S Audio Decoder Evaluation Board__
- :material-developer-board: __A316-LS-MIC-V2 USB OTG to I²S Audio Decoder Evaluation Board__
---
Used to evaluate the performance of OT82111_VC1, providing various input/output interfaces and software deployment tools
The development board features a codec for independent evaluation of OT82111_VC1 performance
[:octicons-arrow-right-24: View Details](../evb/a316_hf_i2s_v1.md)
[:octicons-arrow-right-24: View Details](../../dev_doc/evb/a316_ls_mic_v2/index.md)
- :material-developer-board: __A316-HF-I2S-V1 USB OTG to I²S Audio Decoder Evaluation Board__
---
The development board provides USB and I2S interfaces, allowing I2S connection to customer base board for evaluating OT82111_VC1 performance
[:octicons-arrow-right-24: View Details](../../dev_doc/evb/a316_hf_i2s_v1/index.md)
</div>
## Related Solutions
<!-- ## 相关解决方案
<div class="grid cards" markdown>
- :material-cube: __Smartphone Background Music Playback via USB OTG with ASRC Solution__
- :material-cube: __手机通过USB OTG播放背景音乐ASRC解决方案__
---
Smartphone background music playback via USB OTG with ASRC solution based on OT82111_VC1
基于OT82111_VC1的手机通过USB OTG播放背景音乐ASRC解决方案
[:octicons-arrow-right-24: View Details](../../solutions/index.md)
[:octicons-arrow-right-24: 查看详情](../../solutions/usb_otg/ot82111_vc1.md)
</div>
## Consultation and Feedback
</div> -->
## Inquiry and Feedback
<details>
<summary>Click to expand consultation and feedback form</summary>
<summary>Click to expand inquiry and feedback form</summary>
--8<-- "common/customer_form.md"
</details>
</details>

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---
title: OT83211_VC1
hide:
-toc
---
--8<-- "common/phaten_xmos_support_img.md"
<div class="grid" markdown>
<div class="card-wide" markdown>
# OT83211_VC1
__4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces__
</div>
</div>
<div class="result" markdown>
![OT83211_VC1 Block Diagram](/assets/images/hifi_audio/ot83211_diagram.png "OT83211_VC1 Block Diagram"){align=right width=450}
OT83211 is a high-performance 4-channel ASRC audio sample rate converter designed for mobile audio devices, integrating USB OTG interface and dual I²S slave interface functionality. This product is developed based on the high-performance XMOS chip and specifically optimized for streaming sound cards, mobile audio interfaces, and other application scenarios.
- The product features high-precision dual independent 2-channel ASRC sample rate converters, supporting sample rate conversion between 44.1kHz~192kHz, ensuring seamless conversion of audio signals between different sample rates.
- Through the USB OTG interface, the device can directly connect to smartphones, tablets, and other mobile devices, implementing plug-and-play functionality using UAC 2.0, compatible with Windows, Linux, Android, macOS, iOS, and various platforms.
- The product delivers exceptional audio performance with THD+N < -130dB and SNR > 135dB, providing audio equipment manufacturers with professional-grade audio processing solutions.
[:fontawesome-regular-file-pdf: OT83211_VC1 Product Brief](/assets/product_brief_pdf/ot83211_产品简介_4通道ASRC OTG 44.1KHz~192KHz音频采样率转换器集成2路I2S从接口.pdf){.md-button }
[:material-file-document-outline: OT83211_VC1 Datasheet](../../dev_doc/datasheet/std_product/usb_otg/ot83211_vc1.md){.md-button }
[:shopping_cart: Buy Samples](https://detail.1688.com/offer/916627288422.html?_t=1746771999692&spm=a2615.7691456.co_1_0_wangpu_score_0_0_0_0_0_0_0000_0.0){.md-button }
</div>
## Features and Specifications
=== "Key Features"
- Exceptional Audio Quality
- THD+N < -130dB, SNR > 135dB
- ASRC supports conversion between 44.1kHz~192kHz
- Dynamic range ≥110dB, professional-grade audio performance
- 4-Channel ASRC
- Built-in dual independent 2-channel ASRC
- Can simultaneously process 2-channel upstream and 2-channel downstream ASRC conversion
- Supports I²S Slave mode audio interface
=== "USB Interface Features"
- Supports UAC 2.0
- Supports OTG connection
- Plug-and-play, no driver installation required
=== "System Compatibility"
- Supports multiple operating systems including Windows, Linux, Android, macOS, and iOS
=== "Hardware Specifications"
**Normal Operating Conditions**
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:op"
**Product Dimensions**
--8<-- "dev_doc/datasheet/modules/a316_mini_v1_datasheet.md:size"
## Documentation and Tools
=== "Technical Documentation"
| Type | Title | Download |
|:--------:|:------------------------|:------------------------|
| Product Datasheet | [:material-file-document-outline: OT83211-VC1 Datasheet](../../dev_doc/datasheet/std_product/usb_otg/ot83211_vc1.md) | [:material-download:] |
| Reference Design | | [:material-download:] |
| Application Guide | | [:material-download:] |
=== "Tools and Software"
| Type | Description | Download |
|:--------:|:------------------------|:------------------------|
| Debugging Tools | |[:material-toolbox:Debugging Tools](../../services_support/tools_software/index.md) |
| Drivers | | [:material-usb-flash-drive-outline: USB Drivers](../../services_support/driver/index.md) |
## Application Scenarios
- Mobile Accompaniment/Streaming
- Play background music via mobile phone OTG while performing audio processing. Provides low-latency, high-fidelity audio experience
- Car Audio Players
- Connect mobile phone to car audio player USB to play songs through the car audio system
## Ordering Information
| Product Name | Product Model | Product Image |
|:--------|:------------------------|:------------------------:|
| 4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces | OT83211-VC1 |![OT83211-VC1](/assets/images/hifi_audio/ot83211_vc1.png "OT83211-VC1"){align=center width=120} |
## Related Evaluation Boards
<div class="grid cards" markdown>
- :material-developer-board: __A316-LS-MIC-V2 USB OTG to I²S Audio Decoder Evaluation Board__
---
The development board features a codec for independent evaluation of OT83211_VC1 performance
[:octicons-arrow-right-24: View Details](../../dev_doc/evb/a316_ls_mic_v2/index.md)
- :material-developer-board: __A316-HF-I2S-V1 USB OTG to I²S Audio Decoder Evaluation Board__
---
The development board provides USB and I2S interfaces, allowing I2S connection to customer base board for evaluating OT83211_VC1 performance
[:octicons-arrow-right-24: View Details](../../dev_doc/evb/a316_hf_i2s_v1/index.md)
</div>
## Related Solutions
<div class="grid cards" markdown>
- :material-cube: __Mobile Phone Background Music Playback via USB OTG ASRC Solution__
---
OT83211_VC1-based solution for mobile phone background music playback via USB OTG with ASRC
[:octicons-arrow-right-24: View Details](../../dev_doc/a316/xu316.md)
</div>