Digital Sound Processors for FPD TVs
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Digital Sound Processors for FPD TVs
ROHM digital sound processors for FPD TVs integrate a specialized audio signal processing circuit, simplifying set development. The digital/analog input blocks feature an asynchronous sampling rate converter and audio ADC, respectively, while the output circuits incorporate I2S and S/PDIF compatibility (digital block) and 3 audio DACs (analog block). Special sound effects, including SAS and P2Bass, are built in as well for high fidelity audio playback. rt No. | Power supply (V) | Datawidth (bit) | DataRAM (bit) | Coefficient RAM (bit) | Digital Input Select | Digital Output | ASRC | ADC | DAC | P2Volume | P2Bass | P2Treble | P-EQ | Tone control | Package | RoHS | BU9406KS2 | 3.0 to 3.6 | 28 | 256×28 | 128×24 | Stereo 4 | Stereo 4 | 1 | Stereo 1 | Stereo 3 | - | ? | ? | 12 Band | P-EQ use | SQFP-T80C | Yes | BU9408KS2 | 3.0 to 3.6 | 32 | 256×32 | 128×24 | Stereo 4 | Stereo 3 | 1 | - | Stereo 2 | ? | ? | ? | 7Band 3Band | Bass Middle Treble | SQFP-T52 | Yes | BU9409FV | 3.0 to 3.6 | 32 | 256×32 | 128×24 | Stereo 2 | Stereo 3 | - | - | - | ? | ? | ? | 7Band 3Band | Bass Middle Treble | SSOP-B40 | Yes | BU9414FV | 3.0 to 3.6 | 32 | 256×32 | 128×24 | Stereo 2 | Stereo 3 | - | - | - | ? | Plus
harmonics | ? | 7Band | Bass Middle Treble | SSOP-B40 | Yes |
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