UPD61052 NEC, UPD61052 Datasheet - Page 19

• Manufacturer Part Number: UPD61052
• Description: MPEG2 Audio / Video Encoder
• Manufacturer: NEC

2.2
2.2.1
possible to bypass internal audio encode DSP, when the audio elementary stream is encoded by an external audio
encoder are inputted.
2.2.2
information to multiplex and notify to the host CPU.
2.2.3
inputting two audio signals, an audio signal is encoded, and another one bypasses the audio encoding DSP, and
transfers to the multiplexer. When inputting an audio elementary stream that has been encoded by the external audio
encoder and PCM audio, it can multiplex two audio elementary streams.
clock (AMCLK) types the clock by which a phase was locked up STC clock (STCLK).
This LSI encodes the MPEG audio encoding and transcode with the internal DSP.
It encodes MPEG1 audio layer 2 or Dolby Digital Consumer Encoder (only the
It is possible to multiplex two de-multiplexed audio streams. It analyzes MPEG1 audio stream, and extracts the
Two PCM audio signals can be inputted to the audio input interface and the audio input-output interface. When
The PCM audio or the audio elementary stream can be outputted from the audio input-output interface. The audio
Audio
Encoding
Transcoding (DEMUX, MUX)
Input/output processing
Data length
Sampling frequency
Justification of transfer
Format
Item
Table 2-4. Audio Input/output
16 bits, 20 bits, 24 bits
32 kHz, 44.1 kHz, 48 kHz
MSB first
I
PCM Audio, IEC60958 based
2
S Compatible/Left justified/Right justified
Data Sheet S15082EJ4V0DS
Input/output format
µ
µ
PD61052). In addition, it is
PD61051, 61052
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