From mboxrd@z Thu Jan 1 00:00:00 1970 From: ford@omnicron.com (Mike "Ford" Ditto) Date: Thu, 17 Sep 1998 20:14:21 +0000 Subject: CW-7502 -> cdda2wav -> zeroes Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sound@vger.kernel.org I am trying to use Cdda2wav version 0.8 to read audio tracks from a Panasonic CW-7502 (which is widely reported to have good CDDA reading capability). The program can read and display the TOC correctly and it writes the correct number of bytes into the output file, but all of the audio samples are zero (total silence). Why don't I get the actual audio data? Thanks in advance for any help or advice, -=] Mike [=- Linux 2.0.33 on x86 SCSI Adapter: Adaptec AHA-294X Ultra SCSI host adapter Host: scsi0 Channel: 00 Id: 06 Lun: 00 Vendor: MATSHITA Model: CD-R CW-7502 Rev: 4.10 Type: CD-ROM ANSI SCSI revision: 02 Here is a sample run with output to my "hist" program which prints out the number of bytes with each byte value. cdda2wav in raw mode outputs nothing but zero bytes for me. cdda2wav -O raw - | hist Cdda2wav version 0.8 track pre-emphasis copy-permitted tracktype channels sub-Q-channel 1-18 no no audio 2 position Table of Contents: total tracks:18, (total time 52:37.97) 1.( 2:47.16), 2.( 3:13.27), 3.( 2:32.80), 4.( 2:47.71), 5.( 2:49.20) 6.( 2:08.36), 7.( 3:59.33), 8.( 2:05.37), 9.( 3:22.23), 10.( 2:39.64) 11.( 3:20.93), 12.( 3:17.33), 13.( 3:16.29), 14.( 3:28.91), 15.( 2:35.53) 16.( 2:11.27), 17.( 3:00.33), 18.( 2:59.87) Table of Contents: starting sectors 1.( 33), 2.( 12570), 3.( 27065), 4.( 38525), 5.( 51103) 6.( 63793), 7.( 73420), 8.( 91370), 9.( 100773), 10.( 115940) 11.( 127913), 12.( 142983), 13.( 157783), 14.( 172505), 15.( 188173) 16.( 199838), 17.( 209683), 18.( 223208), lead-out( 236698) recording 167.16000 seconds stereo with 16 bits @ 44100 Hz ->'standard output'... samplefile size will be 29487024 bytes. 0x00 29487024