1. Harman Academy January 2009 L-PCM New HD Sound Formats

2. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 2 HD sound formats Blu-ray Disc ™ media is setting new standards:  High-definition picture quality  High-definition sound quality Uncompressed linear PCM Lossless high-definition sound

3. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 3 Audio formats Normal sound formats for DVD:  Linear PCM, 2 channels  All Dolby ® Digital formats  All DTS ® formats  …any version can be transmitted through HDMI ™ connection New sound formats for Blu-ray Disc media:  Linear PCM, 6 – 8 channels  Dolby Digital Plus  Dolby TrueHD  DTS-HD High Resolution Audio ™  DTS-HD Master Audio ™  …transmission only through HDMI 1.3 connection

4. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 4 Uncompressed linear PCM  PCM = pulse code modulation Sampling Frequency Bit Rate L-PCM

5. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 5 Uncompressed linear PCM  PCM = pulse code modulation  Sampling frequency (rate) = samples per second  Bit (data) rate = bits per sample  Compact disc format (max. 2 channels)  Sampling frequency = 44.1kHz (44.100 samples per second)  Bit rate = 16 bits per sample (2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2=65.536 values)  Blu-ray Disc sound (max. 8 channels)  Sampling frequencies = 48kHz, 96kHz or even 192kHz  Bit rate = 16-bit (65.536), 20-bit (1.048.576) or even 24-bit (16.777.216) L-PCM

6. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 6 New Dolby Digital sound formats for Blu-ray Disc media: Dolby Digital Plus:  New audio format for broadcast and Blu-ray Disc media  Up to 7.1 PCM 96kHz sampling frequencies & 24-bit resolutions  Compressed audio  Transfer rate of up to 1.7 Mbps  Transmission through HDMI 1.3 connection only  Compatible with normal Dolby Digital decoders using Blu-ray Disc (1.0), DVD (0.7) formats Dolby TrueHD:  New audio format for Blu-ray Disc media  Up to 7.1 PCM 96kHz sampling frequency & 24-bit resolution  Lightly compressed audio – bit-by-bit lossless copy of the studio master  Transfer rate of up to 18 MBps  Transmission through HDMI 1.3 connection only  Compatible with normal Dolby Digital decoders using Blu-ray Disc format

7. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 7 New DTS sound formats for Blu-ray Disc media: DTS-HD High Resolution Audio:  New audio format  Up to 7.1 PCM 96kHz sampling frequency and 24-bit resolution  Compressed audio  Fixed transfer rate of 6 MBps for Blu-ray Disc media  Transmission through HDMI 1.3 output only  Compatible with normal DTS decoders => better sound (up to 1.5 MBps) DTS-HD Master Audio:  New audio format  Up to 7.1 PCM 96kHz sampling frequency and 24-bit resolution  Up to max. 192kHz sampling frequency and 24-bit resolution (2-channel)  Lightly compressed audio – bit-by-bit lossless copy of the studio master  Variable transfer rate of up to 24.5 MBps for Blu-ray Disc media  Transmission through HDMI 1.3 output only  Compatible with normal DTS decoders => better sound (up to 1.5 MB/sec)

8. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 8 DTS core data  Four extensions:

9. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 9

10. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 10 Sound format overview Linear DTS** Dolby Digital* DTS-HD High Resolution Audio Dolby TrueHD Dolby Digital Plus DTS-HD Master Audio CompressionNo LossLossy LosslessLossy LosslessMax Channel 85.17.185.17.18 Bit/Sample 16, 20, (24) –– 16 – 24 –– Sampling Fr. (kHz) 48, 96, (192)48 48, 96, (192)48 48, 96, (192) * Same data for DD ES, just 6.1 ** Same data for DTS EX, just 6.1, and for DTS 96/24 Max Bit Rate (Mbps.) 27.60.6 (0.4)1.718.01.5 (0.7)6.024.5 Audio Codec PCM L-PCM

11. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 11 Are all these formats used on Blu-ray Disc media?  Normal Dolby Digital:  Mostly for synchronizations to local languages  Normal DTS:  Mostly for synchronizations to local languages  New Dolby Digital Plus:  Very unusual to find on any Blu-ray Disc media  New DTS-HD High Resolution Audio:  Very unusual to find on any Blu-ray Disc media  New Dolby TrueHD:  Used on approx. 25% of movie titles  New DTS-HD Master Audio:  Increasing its share; battling with Dolby TrueHD  Used on many music titles  Uncompressed linear PCM:  Used on approx. 40% of the initial titles L-PCM

12. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 12 New sound formats Do you need a new AVR with all the new decoders built in? Yes, because…  Only one HDMI connection is needed  Many Blu-ray Disc players do not decode DTS-HD Master Audio No, because…  Most Blu-ray Disc players have most decoders built in  DTS core signals make all DTS formats backward-compatible  But this will not give you HD sound quality  Dolby Digital Plus & Dolby TrueHD are compatible with Dolby Digital  But this will not give you HD sound quality

13. © 2008 Harman International Industries, Incorporated. All rights reserved. Page 13