We are pleased to announce that as of August 13, 2015, Qualcomm Global Trading Pte. Ltd., a subsidiary of Qualcomm Incorporated, has completed its acquisition of CSR plc. For more information, please see the press release .

Mid-Range Soundbar Platform

CSR’s scalable silicon and software solutions for mid-range wireless soundbars are ready to use, reducing time-to-market, product development costs and risk. For a truly immersive listening experience the platform utilizes CSR’s feature rich MAPX™ audio DSP which enables many decoding and post processing options such as Dolby® and DTS™.

MAPX™ includes a comprehensive library of audio algorithms to allow tuning of a customer's soundbar, including CSR's own license-free advanced post-processing suite meloD®.

For all platforms, CSR provides complete design information, including example design kits, schematics, bill of materials (BoM) and PCB layout files. Configuration files are also provided, together with a comprehensive tool set to help customers to adjust the performance to their own needs.

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Overview

For the mid-range market, CSR has created a soundbar platform which allows for a more fully featured design while still reducing system complexity, development time and cost. For a truly immersive listening experience the platform utilizes CSR’s feature rich MAPX™ audio DSP which enables many decoding and post processing options such as Dolby® and DTS™. The MAPX 7 DSP and CSRA65610™ Bluetooth® ROM device featured in the platform design provide a wide variety of input connectivity options. As well as Bluetooth audio streaming and support for the aptX® codec, analog and digital wired audio inputs are supported together with a 2 input/1 output HDMI® interface option. The design also features a Bluetooth connection to a wireless subwoofer containing the CSRA65700™ ROM IC.

The out-of-the-box design from CSR supports a 3.1 configuration which provides speaker drive for left, right and center channels along with the wireless subwoofer output. This arrangement can be readily expanded up to a 7.1 configuration for the ultimate audio experience.

The mid-range platform has been designed with power economy firmly in mind, achieving standby power of less than 500mW. Convenient features for consumers such as wake up from standby and NFC pairing have also been included. The same standby power target is achieved by the entry-level design. 

  • Voice Prompts 
  • Bluetooth® Low Energy remote control option 
  • Party Mode 
  • Bluetooth
    • A2DP (SBC, mp3, AAC, aptX® options)
    • AVRCP
    • SWAT Wireless Subwoofer
    • NFC initiated Bluetooth pairing
  • 3.1 channel
  • Standby power <0.5W
  • Wakeup from Standby if a signal is sensed at ADC, SPDIF, HDMI CEC, BT, NFC
  • Analog & SPDIF inputs
  • HDMI®: 2 In/1 Out, CEC, ARC, 4K
  • Audio file playback from USB stick
  • Firmware update from USB stick
  • Lip-Sync audio delay
  • Dolby®/DTS™ decoding (optional)
  • IR or Bluetooth Low Energy remote control, IR learning
  • LCD or LED display support
  • Advanced Post Processing

MAPX™ Soundbar Post Processing

CSR meloD® suite post processing

3rd Party post processing & decoders (subject  to license)

  • meloD MATRIX
  • meloD AROUND Pro
  • meloD BASS+
  • meloD NIGHT+
  • meloD VOLUME+
  • meloD VOICE+
  • meloD SOUNDFIELD+
  • Bass Management
  • Parametric Equalizer
  • Lip-Sync Audio Delay
  • Stereo Widening
  • Output Limiter (Clipping Limiter)
  • Phase Inverter for Subwoofer
  • Subwoofer Level Adjust
  • Bass/Treble/Loudness
  • Graphic Equalizer
  • Multichannel Mixer blocks
  • Speaker Downmix
  • Noise and Wave Generator
  • Active Crossover
  • DTS™ TruSurround HD and HD4
  • DTS Multichannel TruVolume HD
  • DTS WOW HD
  • DTS StudioSound II
  • Dolby® Volume
  • Dolby Virtual Speaker
  • Dolby Headphone
  • ZIRENE® SOUND AM3D (demo)
  • DTS Digital Surround 96/24  (DTS Core Decoder)
  • Dolby Digital 2.0, 5.1 and EX
  • Dolby ProLogic II and IIx
  • AAC decoding from SPDIF and/or HDMI input

 

Development Kit  Part Number Tools & Support Product Brief
Mid-Range Soundbar Platform DK-MRSB2.0-10234-1A
Kit Contents: Main Soundbar Board with MAPX™ 7 & CSRA65610 Module, LCD/UI Board, HDMI® Board, & Power Boards. Subwoofer Main Board with CSRA65700™ Module, Programmer Interface, IR Remote Control & 2 x PSUs
Resources on CSR Support: A design database with Schematics, Layout & BoM; all MAPX tools & software; all Bluetooth® tools & patches for CSRA65610 and CSRA65700
MAPX™ 6 -Series DK-A67160-10142-1A Kit Contents: The MAPX™ 6-Series Evaluation Kit includes a main MAPX™ Evaluation Board, HDMI® Expansion Board, LCD Expansion Board, Remote Control, Power Supply, UART Cable, USB to I2C Converter, RCA Cable (x2), Board Interconnect Cable (x2), USB A-B Cable & I2C Cable
MAPX™ 7 -Series DK-A67170-10143-1A Kit Contents: The MAPX™ 7-Series Evaluation Kit includes a main MAPX™ Evaluation Board, HDMI® Expansion Board, LCD Expansion Board, Remote Control, Power Supply, UART Cable, USB to I2C Converter, RCA Cable (x2), Board Interconnect Cable (x2), USB A-B Cable & I2C Cable
CSRA65700™ DK-CSRA65700-10175-1A Kit Contents: CSRA65700™ Module, Module Carrier Board, Headphone Amplifier Stage, I2S & Analog Amplifier Stage, USB-SPI Converter, Cables, Headphones, Quick Start Guide & Battery
 

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