CS493263-DL 查看數據表（PDF） - Cirrus Logic

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CS493263-DL

Multi-Standard Audio Decoder Family

Cirrus Logic 

CS49300 Family DSP

DTS Virtual 5.1™ Versions)

• SRS Circle Surround™ I/II

• HDCD®

• Cirrus P.D.F. (Dolby Pro Logic 2Fs Decoder

and PCM Upsampler)

• Cirrus PL2_2FS (Dolby Pro Logic II 2Fs

Decoder and PCM Upsampler)

Please refer to the CS4932x/CS49330 Part Matrix

vs. Code Matrix (PDF) document available from

the CS49300 Web Site Page for the latest listing of

audio decoding/processing algorithms. The part

will also support PES layer decode for audio/video

synchronization and DVD Audio Pack layer

support. The CS49300 will support all of the above

decoding and PCM processing standards.

CS4931X - Broadcast Sub-family. The CS4931X

sub-family is targeted at audio decoding in the

broadcast markets in systems such as digital TV,

HDTV, set-top boxes and digital audio broadcast

units (digital radios). Specifically the CS4931X

sub-family will support the following decode

standards:

• Dolby Digital™ (AC-3™) with Dolby Pro Logic™

• MPEG-2, Advanced Audio Coding Algorithm

(AAC)

• MPEG-1, Layers 1, 2 Stereo

• MPEG-1, Layers 3 (MP3) Stereo

• MPEG-2, Layer 2 Stereo

• MPEG-2, Layer 3 (MP3) Stereo

The part will also support PES layer decode for

audio/video synchronization. The CS49310 will

support all of the above decode standards while

other parts in the CS4931X sub-family will decode

subsets of the above audio decoding standards.

CS4932X - Audio/Video Receiver (AVR) Sub-

family. The CS4932X sub-family is targeted at

audio decoding in the audio/video receiver

markets. Typical applications will include

amplifiers with integrated decoding capability,

outboard decoder pre-amplifiers, car radios and

any system where the compressed audio is

received in an IEC61937 format. Specifically the

CS4932X sub-family will support the following

decode standards:

• Dolby Digital™ (AC-3™) with

Dolby Pro Logic™

• Dolby Digital™ with Dolby Pro Logic™ plus

Cirrus Extra Surround™

• Dolby Digital™ with Dolby Pro Logic II™

• Dolby Digital™ with Dolby Pro Logic II™ plus

Cirrus Extra Surround™

• Virtual Dolby Digital™

• MPEG-2, Advanced Audio Coding Algorithm

(AAC)

• MPEG Multichannel

• MPEG Multichannel with Dolby Pro Logic II™

• MPEG Multichannel plus Cirrus Extra

Surround™

• MPEG-1, Layer 3 (MP3)

• DTS Digital Surround™

• DTS Digital Surround™ with

Dolby Pro Logic II™

• DTS Digital Surround™ plus Cirrus Extra

Surround™

• DTS-ES Extended Surround™ (DTS-ES

Discrete 6.1 & Matrix 6.1)

• DTS Neo:6™

• LOGIC5® (5.1 Channel, Max Fs=48kHz and

LOGIC7® (7.1 Channel, Max Fs=96kHz)

• VMAx VirtualTheater® (Virtual Dolby Digital)

• SRS TruSurround™ (Virtual Dolby Digital and

DTS Virtual 5.1™ Versions)

• SRS Circle Surround™ I/II

• HDCD®

• Cirrus P.D.F. (Dolby Pro Logic 2Fs Decoder

and PCM Upsampler)

• Cirrus PL2_2FS (Dolby Pro Logic II 2Fs

Decoder and PCM Upsampler)

The CS49326 will support all of the above decode

standards while other parts in the CS4932X sub-

family will decode subsets of the above audio

decoding standards.

Except for the CS49329 which offers AAC support

this subfamily will offer integrated ROM support for

the AC-3 code, DTS code, Cirrus Original

Surround code and DTS tables. The CS49329 will

require an external download for all applications

but will still support the DTS tables on chip.

CS49330 - General Purpose, Car Audio

Processor, PCM Effects & Multichannel Post-

Processing Device. The CS49330 sub-family is

DS339F7

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